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Gene Information

Gene symbol: ITGAL

Gene name: integrin, alpha L (antigen CD11A (p180), lymphocyte function-associated antigen 1; alpha polypeptide)

HGNC ID: 6148

Synonyms: LFA-1

Related Genes

# Gene Symbol Number of hits
1 APC 1 hits
2 CCR5 1 hits
3 CD14 1 hits
4 CD1A 1 hits
5 CD2 1 hits
6 CD28 1 hits
7 CD33 1 hits
8 CD34 1 hits
9 CD38 1 hits
10 CD4 1 hits
11 CD40 1 hits
12 CD44 1 hits
13 CD48 1 hits
14 CD58 1 hits
15 CD69 1 hits
16 CD80 1 hits
17 CD83 1 hits
18 CD86 1 hits
19 CD8A 1 hits
20 CD93 1 hits
21 CD97 1 hits
22 CLEC4D 1 hits
23 CXCL12 1 hits
24 CXCL14 1 hits
25 CXCL9 1 hits
26 CXCR3 1 hits
27 CXCR4 1 hits
28 DPP4 1 hits
29 DR1 1 hits
30 EIF2AK2 1 hits
31 ERVWE1 1 hits
32 FAS 1 hits
33 FCGR1A 1 hits
34 FCGR2A 1 hits
35 FUT4 1 hits
36 GATA3 1 hits
37 GZMB 1 hits
38 HLA-A 1 hits
39 ICAM1 1 hits
40 ICAM3 1 hits
41 IFNG 1 hits
42 IL12A 1 hits
43 IL13 1 hits
44 IL1B 1 hits
45 IL2 1 hits
46 IL2RA 1 hits
47 IL4 1 hits
48 IL6 1 hits
49 IL7R 1 hits
50 IL8RB 1 hits
51 IRF7 1 hits
52 ITGA4 1 hits
53 ITGA6 1 hits
54 ITGAM 1 hits
55 ITGAX 1 hits
56 ITGB2 1 hits
57 LY75 1 hits
58 MAGEA3 1 hits
59 MFGE8 1 hits
60 MICA 1 hits
61 MLN 1 hits
62 PTPRC 1 hits
63 PYCARD 1 hits
64 RHOH 1 hits
65 S100A1 1 hits
66 SELE 1 hits
67 SELL 1 hits
68 SLC44A1 1 hits
69 STAT1 1 hits
70 STAT6 1 hits
71 TNF 1 hits
72 UCHL1 1 hits
73 VCAM1 1 hits

Related Sentences

# PMID Sentence
1 1849315 CD3+, CD4+, CD8+, and CD20+ lymphocytes were comparable in two groups.
2 1849315 Natural killer cells as defined by CD16, CD56 and CD57 antigens were significantly reduced in CFS.
3 1849315 Monocytes from CFS displayed increased density (as determined by mean fluorescence channel numbers) of intercellular adhesion molecule 1 (ICAM-1) and lymphocyte function associated antigen 1 (LFA-1), but showed decreased enhancing response to recombinant interferon-gamma in vitro.
4 2894392 Human memory T lymphocytes express increased levels of three cell adhesion molecules (LFA-3, CD2, and LFA-1) and three other molecules (UCHL1, CDw29, and Pgp-1) and have enhanced IFN-gamma production.
5 2894392 Studies of cell-surface molecules involved in human T cell interaction reveal that differential expression of each of three adhesion molecules (LFA-3, CD2, and LFA-1) subdivides human peripheral blood T cells into major subpopulations.
6 2894392 Systematic analysis of the relationship between expression of these and other markers of T cell subsets demonstrates a single major subset of human peripheral blood T lymphocytes distinguished by enhanced expression of LFA-3, CD2, LFA-1, and three other markers (CDw29 [4B4], UCHL1, and Pgp-1).
7 2894392 Large differences in relative expression are observed for UCHL1 (29-fold) and LFA-3 (greater than 8-fold), and smaller differences (2- to 4-fold) are seen for CDw29, CD2, LFA-1, and Pgp-1.
8 2894392 Bimodal distribution of LFA-3 is found on both CD4+ cells and on CD8+ cells as well as on B lymphocytes (CD19+).
9 2894392 Neonatal T cells (CD3+) are comprised almost exclusively of the subset expressing low LFA-3, CD2, LFA-1, CDw29, and UCHL1.
10 2894392 Furthermore, the LFA-3+ subset made greater than fivefold more IFN-gamma than the LFA-3- subset in response to PHA, despite the fact that both subsets made equivalent amounts of IL-2.
11 2894392 This phenotypic and functional analysis of resting and activated newborn and adult T cells indicates that human memory T cells express enhanced levels of LFA-3, CD2, LFA-1, UCHL1, CDw29, and Pgp-1; we speculate that the increase in expression of T cell adhesion molecules LFA-3, CD2, and LFA-1 on memory cells is functionally important in their enhanced responsiveness.
12 2894392 Human memory T lymphocytes express increased levels of three cell adhesion molecules (LFA-3, CD2, and LFA-1) and three other molecules (UCHL1, CDw29, and Pgp-1) and have enhanced IFN-gamma production.
13 2894392 Studies of cell-surface molecules involved in human T cell interaction reveal that differential expression of each of three adhesion molecules (LFA-3, CD2, and LFA-1) subdivides human peripheral blood T cells into major subpopulations.
14 2894392 Systematic analysis of the relationship between expression of these and other markers of T cell subsets demonstrates a single major subset of human peripheral blood T lymphocytes distinguished by enhanced expression of LFA-3, CD2, LFA-1, and three other markers (CDw29 [4B4], UCHL1, and Pgp-1).
15 2894392 Large differences in relative expression are observed for UCHL1 (29-fold) and LFA-3 (greater than 8-fold), and smaller differences (2- to 4-fold) are seen for CDw29, CD2, LFA-1, and Pgp-1.
16 2894392 Bimodal distribution of LFA-3 is found on both CD4+ cells and on CD8+ cells as well as on B lymphocytes (CD19+).
17 2894392 Neonatal T cells (CD3+) are comprised almost exclusively of the subset expressing low LFA-3, CD2, LFA-1, CDw29, and UCHL1.
18 2894392 Furthermore, the LFA-3+ subset made greater than fivefold more IFN-gamma than the LFA-3- subset in response to PHA, despite the fact that both subsets made equivalent amounts of IL-2.
19 2894392 This phenotypic and functional analysis of resting and activated newborn and adult T cells indicates that human memory T cells express enhanced levels of LFA-3, CD2, LFA-1, UCHL1, CDw29, and Pgp-1; we speculate that the increase in expression of T cell adhesion molecules LFA-3, CD2, and LFA-1 on memory cells is functionally important in their enhanced responsiveness.
20 2894392 Human memory T lymphocytes express increased levels of three cell adhesion molecules (LFA-3, CD2, and LFA-1) and three other molecules (UCHL1, CDw29, and Pgp-1) and have enhanced IFN-gamma production.
21 2894392 Studies of cell-surface molecules involved in human T cell interaction reveal that differential expression of each of three adhesion molecules (LFA-3, CD2, and LFA-1) subdivides human peripheral blood T cells into major subpopulations.
22 2894392 Systematic analysis of the relationship between expression of these and other markers of T cell subsets demonstrates a single major subset of human peripheral blood T lymphocytes distinguished by enhanced expression of LFA-3, CD2, LFA-1, and three other markers (CDw29 [4B4], UCHL1, and Pgp-1).
23 2894392 Large differences in relative expression are observed for UCHL1 (29-fold) and LFA-3 (greater than 8-fold), and smaller differences (2- to 4-fold) are seen for CDw29, CD2, LFA-1, and Pgp-1.
24 2894392 Bimodal distribution of LFA-3 is found on both CD4+ cells and on CD8+ cells as well as on B lymphocytes (CD19+).
25 2894392 Neonatal T cells (CD3+) are comprised almost exclusively of the subset expressing low LFA-3, CD2, LFA-1, CDw29, and UCHL1.
26 2894392 Furthermore, the LFA-3+ subset made greater than fivefold more IFN-gamma than the LFA-3- subset in response to PHA, despite the fact that both subsets made equivalent amounts of IL-2.
27 2894392 This phenotypic and functional analysis of resting and activated newborn and adult T cells indicates that human memory T cells express enhanced levels of LFA-3, CD2, LFA-1, UCHL1, CDw29, and Pgp-1; we speculate that the increase in expression of T cell adhesion molecules LFA-3, CD2, and LFA-1 on memory cells is functionally important in their enhanced responsiveness.
28 2894392 Human memory T lymphocytes express increased levels of three cell adhesion molecules (LFA-3, CD2, and LFA-1) and three other molecules (UCHL1, CDw29, and Pgp-1) and have enhanced IFN-gamma production.
29 2894392 Studies of cell-surface molecules involved in human T cell interaction reveal that differential expression of each of three adhesion molecules (LFA-3, CD2, and LFA-1) subdivides human peripheral blood T cells into major subpopulations.
30 2894392 Systematic analysis of the relationship between expression of these and other markers of T cell subsets demonstrates a single major subset of human peripheral blood T lymphocytes distinguished by enhanced expression of LFA-3, CD2, LFA-1, and three other markers (CDw29 [4B4], UCHL1, and Pgp-1).
31 2894392 Large differences in relative expression are observed for UCHL1 (29-fold) and LFA-3 (greater than 8-fold), and smaller differences (2- to 4-fold) are seen for CDw29, CD2, LFA-1, and Pgp-1.
32 2894392 Bimodal distribution of LFA-3 is found on both CD4+ cells and on CD8+ cells as well as on B lymphocytes (CD19+).
33 2894392 Neonatal T cells (CD3+) are comprised almost exclusively of the subset expressing low LFA-3, CD2, LFA-1, CDw29, and UCHL1.
34 2894392 Furthermore, the LFA-3+ subset made greater than fivefold more IFN-gamma than the LFA-3- subset in response to PHA, despite the fact that both subsets made equivalent amounts of IL-2.
35 2894392 This phenotypic and functional analysis of resting and activated newborn and adult T cells indicates that human memory T cells express enhanced levels of LFA-3, CD2, LFA-1, UCHL1, CDw29, and Pgp-1; we speculate that the increase in expression of T cell adhesion molecules LFA-3, CD2, and LFA-1 on memory cells is functionally important in their enhanced responsiveness.
36 2894392 Human memory T lymphocytes express increased levels of three cell adhesion molecules (LFA-3, CD2, and LFA-1) and three other molecules (UCHL1, CDw29, and Pgp-1) and have enhanced IFN-gamma production.
37 2894392 Studies of cell-surface molecules involved in human T cell interaction reveal that differential expression of each of three adhesion molecules (LFA-3, CD2, and LFA-1) subdivides human peripheral blood T cells into major subpopulations.
38 2894392 Systematic analysis of the relationship between expression of these and other markers of T cell subsets demonstrates a single major subset of human peripheral blood T lymphocytes distinguished by enhanced expression of LFA-3, CD2, LFA-1, and three other markers (CDw29 [4B4], UCHL1, and Pgp-1).
39 2894392 Large differences in relative expression are observed for UCHL1 (29-fold) and LFA-3 (greater than 8-fold), and smaller differences (2- to 4-fold) are seen for CDw29, CD2, LFA-1, and Pgp-1.
40 2894392 Bimodal distribution of LFA-3 is found on both CD4+ cells and on CD8+ cells as well as on B lymphocytes (CD19+).
41 2894392 Neonatal T cells (CD3+) are comprised almost exclusively of the subset expressing low LFA-3, CD2, LFA-1, CDw29, and UCHL1.
42 2894392 Furthermore, the LFA-3+ subset made greater than fivefold more IFN-gamma than the LFA-3- subset in response to PHA, despite the fact that both subsets made equivalent amounts of IL-2.
43 2894392 This phenotypic and functional analysis of resting and activated newborn and adult T cells indicates that human memory T cells express enhanced levels of LFA-3, CD2, LFA-1, UCHL1, CDw29, and Pgp-1; we speculate that the increase in expression of T cell adhesion molecules LFA-3, CD2, and LFA-1 on memory cells is functionally important in their enhanced responsiveness.
44 2894392 Human memory T lymphocytes express increased levels of three cell adhesion molecules (LFA-3, CD2, and LFA-1) and three other molecules (UCHL1, CDw29, and Pgp-1) and have enhanced IFN-gamma production.
45 2894392 Studies of cell-surface molecules involved in human T cell interaction reveal that differential expression of each of three adhesion molecules (LFA-3, CD2, and LFA-1) subdivides human peripheral blood T cells into major subpopulations.
46 2894392 Systematic analysis of the relationship between expression of these and other markers of T cell subsets demonstrates a single major subset of human peripheral blood T lymphocytes distinguished by enhanced expression of LFA-3, CD2, LFA-1, and three other markers (CDw29 [4B4], UCHL1, and Pgp-1).
47 2894392 Large differences in relative expression are observed for UCHL1 (29-fold) and LFA-3 (greater than 8-fold), and smaller differences (2- to 4-fold) are seen for CDw29, CD2, LFA-1, and Pgp-1.
48 2894392 Bimodal distribution of LFA-3 is found on both CD4+ cells and on CD8+ cells as well as on B lymphocytes (CD19+).
49 2894392 Neonatal T cells (CD3+) are comprised almost exclusively of the subset expressing low LFA-3, CD2, LFA-1, CDw29, and UCHL1.
50 2894392 Furthermore, the LFA-3+ subset made greater than fivefold more IFN-gamma than the LFA-3- subset in response to PHA, despite the fact that both subsets made equivalent amounts of IL-2.
51 2894392 This phenotypic and functional analysis of resting and activated newborn and adult T cells indicates that human memory T cells express enhanced levels of LFA-3, CD2, LFA-1, UCHL1, CDw29, and Pgp-1; we speculate that the increase in expression of T cell adhesion molecules LFA-3, CD2, and LFA-1 on memory cells is functionally important in their enhanced responsiveness.
52 7489749 We, therefore, generated DC from peripheral blood of normal donors in the presence of granulocyte/macrophage colony-stimulating factor and interleukin-4.
53 7489749 Flow cytometric analysis of the cells during a 2-week culture revealed a loss of CD14 and CD34 expression, a concomittent increase of CD1a, CD11a,b and c, CD44, CD45, CD54, HLA-class I and II, and intermediate levels of CD26, CD80 and CD86.
54 7583918 Coincident with the inability to stimulate MHC-matched T cells, there was diminished surface expression of class II MHC antigens and LFA-1-alpha and LFA-3 compared with that in uninfected cells: DR, 2.5 versus 10.6% (mean channel 0.3 versus 1.5); DQ, 1.6 versus 15.6% (mean channel 0.3 versus 3.0); DP, 5.0 versus 30.9% (mean channel 0.3 versus 2.0).
55 7583918 LFA-1-alpha expression was reduced (13.1 versus 20.0%; mean channel 1.5 versus 2.0) while LFA-3 expression remained the same (22.2 versus 324%; mean channel 3.0 versus 3.3).
56 7583918 Cytokine secretion was also perturbed, as interleukin 1-alpha (IL-1-alpha) and IL-1-beta production was lost 1 week after infection.
57 7583918 Production of IL-12 and IL-10 was unchanged, while IL-6 production was increased.
58 7583918 Coincident with the inability to stimulate MHC-matched T cells, there was diminished surface expression of class II MHC antigens and LFA-1-alpha and LFA-3 compared with that in uninfected cells: DR, 2.5 versus 10.6% (mean channel 0.3 versus 1.5); DQ, 1.6 versus 15.6% (mean channel 0.3 versus 3.0); DP, 5.0 versus 30.9% (mean channel 0.3 versus 2.0).
59 7583918 LFA-1-alpha expression was reduced (13.1 versus 20.0%; mean channel 1.5 versus 2.0) while LFA-3 expression remained the same (22.2 versus 324%; mean channel 3.0 versus 3.3).
60 7583918 Cytokine secretion was also perturbed, as interleukin 1-alpha (IL-1-alpha) and IL-1-beta production was lost 1 week after infection.
61 7583918 Production of IL-12 and IL-10 was unchanged, while IL-6 production was increased.
62 7590891 These ASC were isolated from peripheral blood after oral Ty21a, and dual labelled for binding of typhoid antigen and expression of various cell surface determinants: alpha 4 integrin (CD49d), CD45RO, CD45RA, L-selectin, CD44 and CD11a.
63 7590891 More ASC expressing CD45RO and alpha 4 integrin (CD49d) were bound to mesenteric lymph node and small intestine than to peripheral lymph node.
64 7768546 The lymphocyte differentiation antigens CD45RA, CD45RO, L-selectin, CD-11a CD-38, CD-44 and VLA-4 were all found on antigen-specific cells, but no particular pattern was recognizable in this small series of six subjects with different disease processes affecting the intestine.
65 7902828 Intercellular adhesion molecule-1 (ICAM-1) is one of 3 major ligands for the beta 2 integrin leucocyte function-associated antigen-1 (LFA-1).
66 7902828 Following stimulation with interferon gamma, the levels of sICAM-1 increased inversely to the levels of cell surface ICAM-1, suggesting sheeding.
67 7902828 However, treatment with cycloheximide, after stimulation with IFN-gamma, resulted in increased levels of membrane associated ICAM-1.
68 7910675 We have found that the cause of the blunted response to HBV vaccination is multifactorial and seems to be associated with the following: (1) A reduced number of TCR/CD3 antigen receptor complexes on freshly isolated uraemic CD4 T cells, especially in non-responders. (2) The blunted proliferative response of uraemic CD4 T cells isolated from non-responders and stimulated for 6 days by autologous monocytes presenting HBsAg was associated with the decreased density of the TCR/CD3 receptors. (3) Moreover, in uraemic non-responders the expression of adhesion and accessory molecules on monocytes (intercellular adhesion molecule-1/ICAM-1, HLA-DR/Ia/) was significantly decreased following the culture with autologous monocytes serving as HBsAg-presenting cells.
69 7910675 CD4 molecules and lymphocyte function antigen-1 beta/LFA-1 beta/ on helper-inducer T cells were increased before and after the culture. (4) These findings were also associated with a diminished binding capacity of IL-1 beta and IL-6 to their receptors on helper-inducer T cells. (5) IL-2, IFN-gamma and IL-4 production was decreased in uraemic non-responders, especially after 72 h of the culture. (6) Inhibited proliferation of helper-inducer T cells in uraemic non-responders was only partially reversible in the presence of exogenous IL-1 beta, IL-6, IL-2 and IFN-gamma. (7) HLA typing of uraemic non-responders was associated with extended haplotype: HLA A1,B8,DR3,DR7,DQ2.
70 8273596 There were no differences in the expression of CD3, CD4, CD8, CD25, CD45RA, CD45RO, LFA-1, VLA-4 or VLA-6 in inhibited cultures, except for slight decreases in CD25 and CD45RO in TT cultures.
71 8369170 Two weeks after infection, clones 63 and 30 lost expression of all class II antigens (DR, 81.7 vs. 0%; DQ, 15.6 vs. 0%; and DP, 76.9 vs. 0%) while retaining expression of class I (87.4 vs. 84.1%), LFA-1 (82.4 vs. 83.1%), and LFA-3 (79.1 vs. 74.7%) antigens when compared to uninfected cells.
72 8369170 Cytokine secretion and antigen processing were also perturbed as production of IL-1 was abolished 2 weeks after infection (although IL-6 secretion was augmented) and infected clone 63 cells failed to process exogenous antigen.
73 8892615 We show here that highly purified CD14(bright) peripheral blood monocytes supplemented with granulocyte-monocyte (GM)-CSF plus IL-4 develop with high efficacy (>95% of input cells) into DC.
74 8892615 They neo-expressed CD1a, CD1b, CD1c, CD80, and CD5; they massively up-regulated CD40 (109-fold) and HLA-DQ and DP (125- and 87-fold); and significantly (>5-fold) up-regulated HLA-DR, CD4, CD11b, CD11c, CD43, CD45, CD45R0, CD54, CD58, and CD59.
75 8892615 CD14, CD15s, CD64, and CDw65 molecules were down-regulated to background levels, and no major changes were observed for HLA class I, CD11a, CD32, CD33, CD48, CD50, CD86, CDw92, CD93, or CD97.
76 8892615 Monocytes cultured in parallel with GM-CSF plus TNF-alpha were more heterogeneous in expression densities but otherwise similar in their surface molecule repertoire.
77 8892615 Only GM-CSF plus IL-4-cultured cells were found to be potent stimulators in allogeneic and autologous MLR and they presented tetanus toxoid 100- to 1000-fold more efficiently than other cell populations tested.
78 8975870 Rabbit vascular endothelial adhesion molecules: ELAM-1 is most elevated in acute inflammation, whereas VCAM-1 and ICAM-1 predominate in chronic inflammation.
79 8975870 The sections were also stained immunohistochemically for the vascular endothelial adhesion molecules ICAM-1, ELAM-1 (E-selectin), and VCAM-1, and for the leukocyte ligands for ICAM-1: LFA-1 (CD11a/CD18) and Mac-1 (CD11b/CD18).
80 8975870 Infiltrating monocytes and lymphocytes expressed the LFA-1 ligand and infiltrating PMN expressed the MAC-1 ligand.
81 8975870 Rabbit vascular endothelial adhesion molecules: ELAM-1 is most elevated in acute inflammation, whereas VCAM-1 and ICAM-1 predominate in chronic inflammation.
82 8975870 The sections were also stained immunohistochemically for the vascular endothelial adhesion molecules ICAM-1, ELAM-1 (E-selectin), and VCAM-1, and for the leukocyte ligands for ICAM-1: LFA-1 (CD11a/CD18) and Mac-1 (CD11b/CD18).
83 8975870 Infiltrating monocytes and lymphocytes expressed the LFA-1 ligand and infiltrating PMN expressed the MAC-1 ligand.
84 9233612 FACS analysis of T cells from MLN and lung tissue demonstrated that T cells expressing any of the activation markers tested (LFA-1, CD25, CD44, CD45RB, CD49d, CD62L) always expressed high levels of CD44 and LFA-1.
85 9233612 These double-high T cells produced >99% of all anti-CD3 mAb-induced IL-4 and IFN-gamma.
86 9233612 Despite their similar phenotype, purified double-high lung parenchyma T cells produced markedly higher levels of IL-2, IL-4, and IFN-gamma, and contained a higher frequency of cytokine producers than their MLN counterparts.
87 9233612 Activation of the extracellular signal-regulated kinase (ERK)-2 in response to TCR cross-linking was detected in double-high T cells from lung tissue but not MLN.
88 9233612 The requirement for ERK signaling for maximal IFN-gamma synthesis could nevertheless be demonstrated in both populations by blockade with the inhibitor PD98509.
89 9292550 During the acute stages of infection, most CD8+ T cells in the spleen and bone marrow showed upregulated surface expression of the activation/memory marker, LFA-1 (LFA-1[hi]).
90 9292550 After clearing LCMV infection, the antiviral immune response subsided to homeostatic levels and the ratio of CD8+/LFA-1(hi) to CD8+/LFA-1(lo) T cells in the spleen and bone marrow of LCMV immune mice returned to the value observed in naive mice.
91 9292550 During the acute stages of infection, most CD8+ T cells in the spleen and bone marrow showed upregulated surface expression of the activation/memory marker, LFA-1 (LFA-1[hi]).
92 9292550 After clearing LCMV infection, the antiviral immune response subsided to homeostatic levels and the ratio of CD8+/LFA-1(hi) to CD8+/LFA-1(lo) T cells in the spleen and bone marrow of LCMV immune mice returned to the value observed in naive mice.
93 9814951 The major leukocyte adhesion molecules, such as leukocyte-function associated antigen-1 (LFA-1), intercellular adhesion molecule-1 (ICAM-1), and CD44, retain their biological functions when expressed on the virion surface, and have been shown to increase virus-cell interaction, enhance virus infectivity, and extend the host cell range of the virus.
94 9814951 Hence, LFA-1, ICAM-1, and other cellular adhesion molecules are involved in different stages of HIV-1 infection and profoundly affect HIV-1 neutralization by virus-specific antibodies.
95 9814951 The major leukocyte adhesion molecules, such as leukocyte-function associated antigen-1 (LFA-1), intercellular adhesion molecule-1 (ICAM-1), and CD44, retain their biological functions when expressed on the virion surface, and have been shown to increase virus-cell interaction, enhance virus infectivity, and extend the host cell range of the virus.
96 9814951 Hence, LFA-1, ICAM-1, and other cellular adhesion molecules are involved in different stages of HIV-1 infection and profoundly affect HIV-1 neutralization by virus-specific antibodies.
97 9890416 The expression of intercellular adhesion molecule 1 (ICAM-1) by endothelial cells is important for the regulation of adhesion and transendothelial migration of a variety of leukocytes that express the integrins lymphocyte function-associated antigen 1 (LFA-1) and/or Mac-1.
98 9890416 Strain-specific differences in the ability of Mor and CAM-70 to induce ICAM-1 correlated with their ability to activate the latent transcription factor NF-kappaB.
99 9890416 These studies suggest a preexisting component of MV particles that leads to strain-specific differences in the activation of NF-kappaB and the induction of ICAM-1 gene expression.
100 9920038 Herein we show that: (1) expansion of CD4+ and CD8+ subsets peaks 2 weeks after infective challenge in both challenged-vaccinated mice and infected controls, but the former exhibit a smaller increase in blastogenesis and in the numbers of activated CD11a(hi)CD4+ and CD11a(hi)CD8+ cells; (2) in long-term-vaccinated mice, expansion of activated subsets (CD62Llo/- and CD11a(hi)) is accelerated among CD8+ PBL 1 week after challenge; (3) challenged-vaccinated mice retract the CD8+-activated subset 5 weeks after challenge, different from infected controls; (4) protection conferred by CL-14 immunization can be adoptively transferred to naïve recipients with lymphocyte suspensions, and prior depletion of CD8+ (but not of CD4+) cells abolishes protective immunity.
101 10023864 MDDC presentation of the major house dust mite allergen Der p 2 resulted in 4-12-fold higher T-cell proliferation and markedly higher IFN-gamma and IL-5 production than PBMC cultures.
102 10023864 MDDC cultured from adherent cells, or CD14+, CD11b+ or Percoll-purified monocytes were comparable in presenting soluble Ag, and in stimulating allogeneic MLR.
103 10023864 Immunoprecipitation studies showed markedly elevated ICAM-1 expression but > 10-fold reduction in LFA-1 expression on MDDC compared with monocytes.
104 10079108 We coimmunized cDNA expression cassettes encoding the adhesion molecules intracellular adhesion molecule-1 (ICAM-1), lymphocyte function associated-3 (LFA-3), and vascular cell adhesion molecule-1 (VCAM-1) along with DNA immunogens, and we analyzed the resulting antigen-specific immune responses.
105 10079108 We observed that antigen-specific T-cell responses can be enhanced by the coexpression of DNA immunogen and adhesion molecules ICAM-1 and LFA-3.
106 10079108 Coexpression of ICAM-1 or LFA-3 molecules along with DNA immunogens resulted in a significant enhancement of T-helper cell proliferative responses.
107 10079108 Although VCAM-1 and ICAM-1 are similar in size, VCAM-1 coimmunization did not have any measurable effect on cell-mediated responses.
108 10079108 These results suggest that ICAM-1 and LFA-3 provide direct T-cell costimulation.
109 10079108 These observations are further supported by the finding that coinjection with ICAM-1 dramatically enhanced the level of interferon-gamma (IFN-gamma) and beta-chemokines macrophage inflammatory protein-1alpha (MIP-1alpha), MIP-1beta, and regulated on activation normal T-cell expression and secreted (RANTES) produced by stimulated T cells.
110 10079108 Through comparative studies, we observed that ICAM-1/LFA-1 T-cell costimulatory pathways are independent of CD86/CD28 pathways and that they may synergistically expand T-cell responses in vivo.
111 10205916 The disseminated disease in DCL patients is resistant to chemotherapy, and is characterized by a Th2 cytokine pattern, with a an absence of IL-2 AND ifn-gamma production when the lymphocytes are specifically stimulated by leishmanial antigen.
112 10205916 The epidermis of LCL lesions show ICAM-1 in patches and MHC uniformly expressed by keratinocytes.
113 10205916 DCL lesions are characterized by low CD4/CD8 and memory/naive T cell ratios, low numbers of T gamma delta cells, and an apparent defect in the expression of LFA-1 directional receptors.
114 10205916 MCL granulomas manifest high CD4/CD8 and memory/naive Tcel ratios, low numbers of T gamma delta, a high coefficients of cellular adhesion, with a mixed Th1/Th2 cytokine pattern.
115 10205916 LCL granulomas are characterized by a normal CD4/CD8 ratio, a high memory/naive cell ratio, numerous groups of T gamma delta, a high expression of directional receptors, and Th1/Th0 cytokine patterns.
116 10486153 They expressed a set of DC-associated markers, such as MHC class II, CD1a, CD4, CD11a, CD40, CD58, CD80, CD83, CD86, and CXCR4.
117 10752478 Peritumoral injection of various kinds of adjuvant, particularly Freund's complete adjuvant (FCA) plus bacillus Calmetee-Guerin (BCG), resulted in a marked accumulation of [3H]A-NK cells in mammary tumor tissues 24 h after injection, and simultaneously in the formation of vessels resembling high-endothelium venules (HEV), infiltration of LFA-1+ lymphocytes and expression of the ICAM-1 molecule on the tumor cells in the sites of tumor tissues.
118 10915558 LFA-3 plasmid DNA enhances Ag-specific humoral- and cellular-mediated protective immunity against herpes simplex virus-2 in vivo: involvement of CD4+ T cells in protection.
119 10915558 Adhesion molecules lymphocyte function-associated antigen (LFA)-1 and CD2 on T cells recognize intercellular adhesion molecule (ICAM)-1 and LFA-3 on APCs, respectively.
120 10915558 To investigate specific roles of adhesion molecules in immune induction we coimmunized LFA-3 and ICAM-1 cDNAs with a gD plasmid vaccine and then analyzed immune modulatory effects and protection against lethal herpes simplex virus (HSV)-2 challenge.
121 10915558 LFA-3 also enhanced Th cell proliferative responses and production of interleukin (IL)-2, interferon-gamma, IL-4, and IL-10 from splenocytes.
122 10915558 In contrast, ICAM-1 showed slightly increasing effects on T-cell proliferation responses and cytokine production. beta-Chemokine production (RANTES, MIP-1alpha, and MCP-1) was also influenced by LFA-3 or ICAM-1.
123 10915558 When animals were challenged with a lethal dose of HSV-2, LFA-3-coimmunized animals exhibited an enhanced survival rate, as compared to animals given ICAM-1 or gD DNA vaccine alone.
124 10915558 These studies demonstrate that adhesion molecule LFA-3 can play an important role in generating protective antigen-specific immunity in the HSV model system through increased induction of CD4+ Th1 T-cell subset.
125 11238679 Following enrichment, DC developed an activated phenotype with up-regulation of CD80, CD86, and CD83 expression.
126 11238679 During culture, the DC maintained their levels of various adhesion molecules, including CD44, LFA-1, cutaneous lymphocyte-associated Ag, and CD49d, up-regulated CCR7, but lost CD62 ligand and CCR5.
127 11238679 Induction of IFN-gamma production, however, was seen only with i.d. and i.l. routes of administration, and no IL-4 responses were seen regardless of route, consistent with the induction of Th1-type immunity.
128 11290815 Although OspA(165-184) stimulated nearly all OspA-specific human T cell clones tested to proliferate and secrete IFN-gamma and IL-13, LFA-1alpha(L326-345) stimulated approximately 10% of these clones to proliferate and a greater percentage to secrete IL-13.
129 11300483 Activation of these T cells was indicated by increased secretion of proinflammatory cytokines IFN-gamma, interleukin (IL)-12 and granulocyte/macrophage-colony stimulating factor, as well as specific tumor rejection and growth suppression in vaccinated CEA-transgenic mice after a lethal challenge with murine MC38 colon carcinoma cells.
130 11300483 These tumor cells were double transfected with CEA and the human epithelial cell adhesion molecule (Ep-CAM)/KSA and consequently served as a docking site for a recombinant antibody-IL2 fusion protein (KS1/4-IL2) recognizing KSA.
131 11300483 Importantly, the efficacy of the tumor-protective immune response was markedly increased by boosts with this antibody-IL2 fusion protein, resulting in more effective tumor rejection coupled with increased expression of costimulatory molecules B7.2/B7.2 and intercellular adhesion molecule 1 (ICAM-1) on dendritic cells and intensified release of proinflammatory cytokines IFN-gamma, IL-12, and granulocyte/macrophage-colony stimulating factor from T cells of successfully vaccinated CEA-transgenic C57BL/6J mice.
132 11300483 Increased T-cell activation mediated by boosts with KS1/4-IL2 fusion protein after tumor cell challenge was further indicated by expanded expression of T-cell activation markers CD25, CD28, CD69, and LFA-1.
133 11591784 A dual-function DNA vaccine encoding carcinoembryonic antigen and CD40 ligand trimer induces T cell-mediated protective immunity against colon cancer in carcinoembryonic antigen-transgenic mice.
134 11591784 A carcinoembryonic Ag (CEA)-based DNA vaccine encoding both CEA and CD40 ligand trimer achieved effective tumor-protective immunity against murine colon carcinoma in CEA-transgenic mice by activating both naive T cells and dendritic cells.
135 11591784 Peripheral T cell tolerance to CEA was broken in a prophylactic model by this novel, dual-function DNA vaccine, whose efficacy was further enhanced by boosts with a recombinant Ab-IL-2 fusion protein (huKS1/4-IL-2).
136 11591784 Second, specific activation of dendritic cells was indicated by their marked up-regulation in expression of costimulatory molecules B7.1 (CD80), B7.2 (CD86), and ICAM-1.
137 11591784 Third, a decisive increase over control values was observed in both MHC class I Ag-restricted cytotoxicity of CTLs from successfully vaccinated mice and secretion of proinflammatory cytokines IFN-gamma and IL-12.
138 11591784 Fourth, activation of CTLs was augmented, as indicated by up-regulation of activity markers LFA-1, CD25, CD28, and CD69.
139 11591784 Taken together, these results suggest that a dual-function DNA vaccine encoding CEA and CD40 ligand trimer combined with tumor-targeted IL-2 may be a promising strategy for the rational development of DNA-based cancer vaccines for future clinical applications.
140 11751943 Naive T cells are optimally delineated by their homogeneous CD95(low)CD28(high)beta(7) integrin(int) (CD4+) or CD95(low)CD28(int)CD11a(low) (CD8+) phenotypes.
141 11751943 CD4+ and CD8+ memory subsets were CD95(high), but otherwise phenotypically heterogeneous and included all IFN-gamma production, RM CMV-specific responses, effector site T cells, and demonstrated high in vivo proliferative activity ( approximately 10 times the naive subset).
142 12076272 Flow cytometry was used to study the expression of leukocyte adhesion molecules CD11a, CD11b, CD11c, CD14, and CD62L (L-selectin) and production of reactive oxygen species (ROS) in an ex vivo human whole-blood system stimulated with lipopolysaccharide-containing outer membrane vesicles (LPS-OMV) from N. meningitidis.
143 12076272 Results demonstrated a dose-dependent increase in surface expression of CD11a, CD11b, CD11c and CD14 in granulocytes and monocytes (maximal at 30-120 min) upon OMV-LPS challenge, whereas CD62L expression was heavily downregulated (maximal at 30-120 min).
144 12076272 Flow cytometry was used to study the expression of leukocyte adhesion molecules CD11a, CD11b, CD11c, CD14, and CD62L (L-selectin) and production of reactive oxygen species (ROS) in an ex vivo human whole-blood system stimulated with lipopolysaccharide-containing outer membrane vesicles (LPS-OMV) from N. meningitidis.
145 12076272 Results demonstrated a dose-dependent increase in surface expression of CD11a, CD11b, CD11c and CD14 in granulocytes and monocytes (maximal at 30-120 min) upon OMV-LPS challenge, whereas CD62L expression was heavily downregulated (maximal at 30-120 min).
146 12817001 A MAGE-3 peptide presented by HLA-DR1 to CD4+ T cells that were isolated from a melanoma patient vaccinated with a MAGE-3 protein.
147 12817001 We report here the identification of a new MAGE-3 peptide, which is recognized by three different CD4(+) T cell clones isolated from a melanoma patient vaccinated with a MAGE-3 protein.
148 12817001 These clones, which express different TCRs, recognize an HLA-DR1 peptide ACYEFLWGPRALVETS, which corresponds to the MAGE-3(267-282) and the MAGE-12(267-282) protein sequences.
149 12817001 One of the T cell clones, which expresses LFA-1 at a high level, lysed tumor cells expressing DR1 and MAGE-3.
150 12817001 Another of these DR1-restricted CD4(+) clones recognized not only the MAGE-3/12 peptide but also homologous peptides encoded by genes MAGE-1, 2, 4, 6, 10, and 11.
151 14630980 Abnormal cell surface antigen expression in individuals with variant CD45 splicing and histiocytosis.
152 14630980 Peripheral blood thymus-derived (T) CD8(+) cells from normal individuals carrying the C77G mutation show a significant decrease in the proportion of cells expressing L-selectin and increased frequency of cells with LFA-1(hi) expression.
153 14990720 Treatment with anti-LFA-1 delays the CD8+ cytotoxic-T-lymphocyte response and viral clearance in mice with primary respiratory syncytial virus infection.
154 15011756 According to the research group of Shortman, experimental results suggest a "dual" DC differentiation model, demonstrating the existence of both myeloid-derived (with characteristic IF: CD11b+, CD11c+, CD8alpha- and DEC205+) and lymphoid-derived DCs (showing CD11b- CD11c-, CD8alpha+ and DEC205+ IF).
155 15011756 Most of the DCs express immunocytochemically detectable antigens like: S-100, CD1a, CD40 receptor, adhesion molecules (ICAM-1 or CD54, LFA-1 and LFA-3), integrins (CD11a, CD11c and CD18), CD45, CD54, co-stimulatory molecules (B7-1 or CD80, B7-2 or CD86), F418, MHC class I and II and DEC-205, multilectin receptor, immunostimulatory cytokine (IL-12) and, of course, Fc and complement receptors.
156 15585412 Here, we demonstrate that transfection of control plasmid DNA (that does not express a gene product) into tumor cell lines induces a dramatic (>10-fold) increase in the expression of the interferon (IFN)-regulated genes IRF7, STAT1, MIG (approved gene symbol CXCL9), MHCI (MICA), and CD11a (ITGAL) in tumor cell lines.
157 15585412 The antibody depletion study indicates that the underlying mechanism by which transfection of control DNA induces IFN-regulated genes is the induction of a secreting factor(s) such as IFN-beta.
158 15699483 LFA-1 co-stimulation inhibits T(h)2 differentiation by down-modulating IL-4 responsiveness.
159 15699483 Specifically, CD28 co-stimulation promotes T(h)2 differentiation, whereas leukocyte function-associated antigen-1 (LFA-1) co-stimulation promotes T(h)1 differentiation and inhibits T(h)2 differentiation.
160 15699483 We show that co-stimulation through LFA-1 does not decrease early IL-4 secretion, but rather induces a loss in IL-4 responsiveness.
161 15699483 T cells primed in the context of LFA-1 co-stimulation require a 5-fold increase in the concentration of IL-4 required to drive T(h)2 differentiation, which is not mediated by a loss in IL-4R expression.
162 15699483 To determine whether LFA-1 co-stimulation impacts on proximal signaling from the IL-4R, we first identified a kinetic window where we could separate IL-4-driven T(h)2 differentiation from initial T cell priming.
163 15699483 Proximal IL-4R signaling, as evidenced by tyrosine phosphorylation of signal transducer and activator of transcription-6 (STAT6), was not inhibited by initial co-stimulation through LFA-1, yet these T cells still required higher amounts of IL-4 and corresponding higher levels of STAT6 activation to up-regulate GATA-3 and induce T(h)2 differentiation.
164 15699483 Thus, LFA-1 co-stimulation appears to interfere with GATA-3 expression downstream of STAT6.
165 15699483 These results suggest that LFA-1 co-stimulation functions as a threshold modulator of T(h)2 differentiation, increasing the effective concentration of IL-4 required to drive T(h)2 responses.
166 15699483 LFA-1 co-stimulation inhibits T(h)2 differentiation by down-modulating IL-4 responsiveness.
167 15699483 Specifically, CD28 co-stimulation promotes T(h)2 differentiation, whereas leukocyte function-associated antigen-1 (LFA-1) co-stimulation promotes T(h)1 differentiation and inhibits T(h)2 differentiation.
168 15699483 We show that co-stimulation through LFA-1 does not decrease early IL-4 secretion, but rather induces a loss in IL-4 responsiveness.
169 15699483 T cells primed in the context of LFA-1 co-stimulation require a 5-fold increase in the concentration of IL-4 required to drive T(h)2 differentiation, which is not mediated by a loss in IL-4R expression.
170 15699483 To determine whether LFA-1 co-stimulation impacts on proximal signaling from the IL-4R, we first identified a kinetic window where we could separate IL-4-driven T(h)2 differentiation from initial T cell priming.
171 15699483 Proximal IL-4R signaling, as evidenced by tyrosine phosphorylation of signal transducer and activator of transcription-6 (STAT6), was not inhibited by initial co-stimulation through LFA-1, yet these T cells still required higher amounts of IL-4 and corresponding higher levels of STAT6 activation to up-regulate GATA-3 and induce T(h)2 differentiation.
172 15699483 Thus, LFA-1 co-stimulation appears to interfere with GATA-3 expression downstream of STAT6.
173 15699483 These results suggest that LFA-1 co-stimulation functions as a threshold modulator of T(h)2 differentiation, increasing the effective concentration of IL-4 required to drive T(h)2 responses.
174 15699483 LFA-1 co-stimulation inhibits T(h)2 differentiation by down-modulating IL-4 responsiveness.
175 15699483 Specifically, CD28 co-stimulation promotes T(h)2 differentiation, whereas leukocyte function-associated antigen-1 (LFA-1) co-stimulation promotes T(h)1 differentiation and inhibits T(h)2 differentiation.
176 15699483 We show that co-stimulation through LFA-1 does not decrease early IL-4 secretion, but rather induces a loss in IL-4 responsiveness.
177 15699483 T cells primed in the context of LFA-1 co-stimulation require a 5-fold increase in the concentration of IL-4 required to drive T(h)2 differentiation, which is not mediated by a loss in IL-4R expression.
178 15699483 To determine whether LFA-1 co-stimulation impacts on proximal signaling from the IL-4R, we first identified a kinetic window where we could separate IL-4-driven T(h)2 differentiation from initial T cell priming.
179 15699483 Proximal IL-4R signaling, as evidenced by tyrosine phosphorylation of signal transducer and activator of transcription-6 (STAT6), was not inhibited by initial co-stimulation through LFA-1, yet these T cells still required higher amounts of IL-4 and corresponding higher levels of STAT6 activation to up-regulate GATA-3 and induce T(h)2 differentiation.
180 15699483 Thus, LFA-1 co-stimulation appears to interfere with GATA-3 expression downstream of STAT6.
181 15699483 These results suggest that LFA-1 co-stimulation functions as a threshold modulator of T(h)2 differentiation, increasing the effective concentration of IL-4 required to drive T(h)2 responses.
182 15699483 LFA-1 co-stimulation inhibits T(h)2 differentiation by down-modulating IL-4 responsiveness.
183 15699483 Specifically, CD28 co-stimulation promotes T(h)2 differentiation, whereas leukocyte function-associated antigen-1 (LFA-1) co-stimulation promotes T(h)1 differentiation and inhibits T(h)2 differentiation.
184 15699483 We show that co-stimulation through LFA-1 does not decrease early IL-4 secretion, but rather induces a loss in IL-4 responsiveness.
185 15699483 T cells primed in the context of LFA-1 co-stimulation require a 5-fold increase in the concentration of IL-4 required to drive T(h)2 differentiation, which is not mediated by a loss in IL-4R expression.
186 15699483 To determine whether LFA-1 co-stimulation impacts on proximal signaling from the IL-4R, we first identified a kinetic window where we could separate IL-4-driven T(h)2 differentiation from initial T cell priming.
187 15699483 Proximal IL-4R signaling, as evidenced by tyrosine phosphorylation of signal transducer and activator of transcription-6 (STAT6), was not inhibited by initial co-stimulation through LFA-1, yet these T cells still required higher amounts of IL-4 and corresponding higher levels of STAT6 activation to up-regulate GATA-3 and induce T(h)2 differentiation.
188 15699483 Thus, LFA-1 co-stimulation appears to interfere with GATA-3 expression downstream of STAT6.
189 15699483 These results suggest that LFA-1 co-stimulation functions as a threshold modulator of T(h)2 differentiation, increasing the effective concentration of IL-4 required to drive T(h)2 responses.
190 15699483 LFA-1 co-stimulation inhibits T(h)2 differentiation by down-modulating IL-4 responsiveness.
191 15699483 Specifically, CD28 co-stimulation promotes T(h)2 differentiation, whereas leukocyte function-associated antigen-1 (LFA-1) co-stimulation promotes T(h)1 differentiation and inhibits T(h)2 differentiation.
192 15699483 We show that co-stimulation through LFA-1 does not decrease early IL-4 secretion, but rather induces a loss in IL-4 responsiveness.
193 15699483 T cells primed in the context of LFA-1 co-stimulation require a 5-fold increase in the concentration of IL-4 required to drive T(h)2 differentiation, which is not mediated by a loss in IL-4R expression.
194 15699483 To determine whether LFA-1 co-stimulation impacts on proximal signaling from the IL-4R, we first identified a kinetic window where we could separate IL-4-driven T(h)2 differentiation from initial T cell priming.
195 15699483 Proximal IL-4R signaling, as evidenced by tyrosine phosphorylation of signal transducer and activator of transcription-6 (STAT6), was not inhibited by initial co-stimulation through LFA-1, yet these T cells still required higher amounts of IL-4 and corresponding higher levels of STAT6 activation to up-regulate GATA-3 and induce T(h)2 differentiation.
196 15699483 Thus, LFA-1 co-stimulation appears to interfere with GATA-3 expression downstream of STAT6.
197 15699483 These results suggest that LFA-1 co-stimulation functions as a threshold modulator of T(h)2 differentiation, increasing the effective concentration of IL-4 required to drive T(h)2 responses.
198 15699483 LFA-1 co-stimulation inhibits T(h)2 differentiation by down-modulating IL-4 responsiveness.
199 15699483 Specifically, CD28 co-stimulation promotes T(h)2 differentiation, whereas leukocyte function-associated antigen-1 (LFA-1) co-stimulation promotes T(h)1 differentiation and inhibits T(h)2 differentiation.
200 15699483 We show that co-stimulation through LFA-1 does not decrease early IL-4 secretion, but rather induces a loss in IL-4 responsiveness.
201 15699483 T cells primed in the context of LFA-1 co-stimulation require a 5-fold increase in the concentration of IL-4 required to drive T(h)2 differentiation, which is not mediated by a loss in IL-4R expression.
202 15699483 To determine whether LFA-1 co-stimulation impacts on proximal signaling from the IL-4R, we first identified a kinetic window where we could separate IL-4-driven T(h)2 differentiation from initial T cell priming.
203 15699483 Proximal IL-4R signaling, as evidenced by tyrosine phosphorylation of signal transducer and activator of transcription-6 (STAT6), was not inhibited by initial co-stimulation through LFA-1, yet these T cells still required higher amounts of IL-4 and corresponding higher levels of STAT6 activation to up-regulate GATA-3 and induce T(h)2 differentiation.
204 15699483 Thus, LFA-1 co-stimulation appears to interfere with GATA-3 expression downstream of STAT6.
205 15699483 These results suggest that LFA-1 co-stimulation functions as a threshold modulator of T(h)2 differentiation, increasing the effective concentration of IL-4 required to drive T(h)2 responses.
206 15699483 LFA-1 co-stimulation inhibits T(h)2 differentiation by down-modulating IL-4 responsiveness.
207 15699483 Specifically, CD28 co-stimulation promotes T(h)2 differentiation, whereas leukocyte function-associated antigen-1 (LFA-1) co-stimulation promotes T(h)1 differentiation and inhibits T(h)2 differentiation.
208 15699483 We show that co-stimulation through LFA-1 does not decrease early IL-4 secretion, but rather induces a loss in IL-4 responsiveness.
209 15699483 T cells primed in the context of LFA-1 co-stimulation require a 5-fold increase in the concentration of IL-4 required to drive T(h)2 differentiation, which is not mediated by a loss in IL-4R expression.
210 15699483 To determine whether LFA-1 co-stimulation impacts on proximal signaling from the IL-4R, we first identified a kinetic window where we could separate IL-4-driven T(h)2 differentiation from initial T cell priming.
211 15699483 Proximal IL-4R signaling, as evidenced by tyrosine phosphorylation of signal transducer and activator of transcription-6 (STAT6), was not inhibited by initial co-stimulation through LFA-1, yet these T cells still required higher amounts of IL-4 and corresponding higher levels of STAT6 activation to up-regulate GATA-3 and induce T(h)2 differentiation.
212 15699483 Thus, LFA-1 co-stimulation appears to interfere with GATA-3 expression downstream of STAT6.
213 15699483 These results suggest that LFA-1 co-stimulation functions as a threshold modulator of T(h)2 differentiation, increasing the effective concentration of IL-4 required to drive T(h)2 responses.
214 15699483 LFA-1 co-stimulation inhibits T(h)2 differentiation by down-modulating IL-4 responsiveness.
215 15699483 Specifically, CD28 co-stimulation promotes T(h)2 differentiation, whereas leukocyte function-associated antigen-1 (LFA-1) co-stimulation promotes T(h)1 differentiation and inhibits T(h)2 differentiation.
216 15699483 We show that co-stimulation through LFA-1 does not decrease early IL-4 secretion, but rather induces a loss in IL-4 responsiveness.
217 15699483 T cells primed in the context of LFA-1 co-stimulation require a 5-fold increase in the concentration of IL-4 required to drive T(h)2 differentiation, which is not mediated by a loss in IL-4R expression.
218 15699483 To determine whether LFA-1 co-stimulation impacts on proximal signaling from the IL-4R, we first identified a kinetic window where we could separate IL-4-driven T(h)2 differentiation from initial T cell priming.
219 15699483 Proximal IL-4R signaling, as evidenced by tyrosine phosphorylation of signal transducer and activator of transcription-6 (STAT6), was not inhibited by initial co-stimulation through LFA-1, yet these T cells still required higher amounts of IL-4 and corresponding higher levels of STAT6 activation to up-regulate GATA-3 and induce T(h)2 differentiation.
220 15699483 Thus, LFA-1 co-stimulation appears to interfere with GATA-3 expression downstream of STAT6.
221 15699483 These results suggest that LFA-1 co-stimulation functions as a threshold modulator of T(h)2 differentiation, increasing the effective concentration of IL-4 required to drive T(h)2 responses.
222 15984339 We have investigated the hypothesis that active viral infection increases the susceptibility of bovine leukocytes to the M. haemolytica leukotoxin by increasing the expression of or activating the beta2 integrin CD11a/CD18 (LFA-1) on the leukocyte surface.
223 15984339 In vitro exposure to proinflammatory cytokines (i.e. interleukin-1beta, tumor necrosis factor-alpha and interferon-gamma) increases LFA-1 expression on bovine leukocytes, which in turn correlates with increased binding and responsiveness to the leukotoxin.
224 15984339 We have investigated the hypothesis that active viral infection increases the susceptibility of bovine leukocytes to the M. haemolytica leukotoxin by increasing the expression of or activating the beta2 integrin CD11a/CD18 (LFA-1) on the leukocyte surface.
225 15984339 In vitro exposure to proinflammatory cytokines (i.e. interleukin-1beta, tumor necrosis factor-alpha and interferon-gamma) increases LFA-1 expression on bovine leukocytes, which in turn correlates with increased binding and responsiveness to the leukotoxin.
226 16313358 We found changes in cell-surface expression of CD11a, CD44, CD45RB, CD49d, CD54 and CD62L on Env-specific CD8(+) T cells that appeared to differentiate them from other CD8(+) T cells within 1 week to 1 month following immunization.
227 16313358 However, CD62L expression did not correlate with differences in the abilities of CTLs to proliferate or produce interferon gamma (IFN-gamma) and tumour necrosis factor alpha (TNF-alpha) in vitro in response to Env peptide stimulation.
228 16522784 The LFA-1 (CD11a and CD18) integrin molecule is constitutively expressed on the T-cell surface.
229 16522784 Following T-cell activation, a rapid conformational change of LFA-1 to an "adhesive" state occurs, allowing LFA-1 binding to intracellular cell adhesion molecule type 1 (ICAM-1)-expressing targets, such as antigen-presenting cells.
230 16522784 Experimental controls indicated that the T cell-bead attachment was LFA-1 and ICAM-1 specific.
231 16522784 By using multicolor cytometry, the responding adhesive T-cell population was usually identified as a distinct subset of T cells with the following phenotype: CD3+ CD4+ or CD8+ CD19- CD16- CD45RO+ CD62L+ CD27+ CD57-.
232 16522784 The LFA-1 (CD11a and CD18) integrin molecule is constitutively expressed on the T-cell surface.
233 16522784 Following T-cell activation, a rapid conformational change of LFA-1 to an "adhesive" state occurs, allowing LFA-1 binding to intracellular cell adhesion molecule type 1 (ICAM-1)-expressing targets, such as antigen-presenting cells.
234 16522784 Experimental controls indicated that the T cell-bead attachment was LFA-1 and ICAM-1 specific.
235 16522784 By using multicolor cytometry, the responding adhesive T-cell population was usually identified as a distinct subset of T cells with the following phenotype: CD3+ CD4+ or CD8+ CD19- CD16- CD45RO+ CD62L+ CD27+ CD57-.
236 16522784 The LFA-1 (CD11a and CD18) integrin molecule is constitutively expressed on the T-cell surface.
237 16522784 Following T-cell activation, a rapid conformational change of LFA-1 to an "adhesive" state occurs, allowing LFA-1 binding to intracellular cell adhesion molecule type 1 (ICAM-1)-expressing targets, such as antigen-presenting cells.
238 16522784 Experimental controls indicated that the T cell-bead attachment was LFA-1 and ICAM-1 specific.
239 16522784 By using multicolor cytometry, the responding adhesive T-cell population was usually identified as a distinct subset of T cells with the following phenotype: CD3+ CD4+ or CD8+ CD19- CD16- CD45RO+ CD62L+ CD27+ CD57-.
240 17073943 In this study, we showed that ovalbumin (OVA) protein-pulsed DC (DC(OVA))-derived EXO (EXO(OVA)) displayed MHC class I-OVA I peptide (pMHC I) complexes, CD11c, CD40, CD80, CCR7, DEC205, Toll-like receptor 4 (TLR4), TLR9, MyD88 and DC-SIGN molecules, but at a lower level than DC(OVA).
241 17073943 EXO(OVA) can be taken up by DC through LFA-1/CD54 and C-type lectin/mannose (glucosamine)-rich C-type lectin receptor (CLR) interactions.
242 17073943 Mature DC pulsed with EXO(OVA), which were referred to as mDC(EXO), expressed a higher level of pMHC I, MHC II, and costimulatory CD40, CD54 and CD80 than DC(OVA).
243 17151096 Eight days following infection, we found that 85 to 95% of CD8 T cells exhibit an effector phenotype as indicated by granzyme B, 1B11, CD62L, CD11a, and CD127 expression.
244 17187395 Enhanced antigen-specific primary CD4+ and CD8+ responses by codelivery of ovalbumin and toll-like receptor ligand monophosphoryl lipid A in poly(D,L-lactic-co-glycolic acid) nanoparticles.
245 17187395 The purpose of this research was to investigate the use of biodegradable poly(D,L-lactic-co-glycolic acid) nanoparticles (PLGA-NP) as a vaccine delivery system to codeliver antigen, ovalbumin (OVA) along with monophosphoryl lipid A (MPLA) as adjuvant for induction of potent CD4(+) and CD8(+) T cell responses.
246 17187395 Particulate delivery of OVA and MPLA to the DCs lead to markedly increase in in vitro CD8(+) T cell T cell proliferative responses (stimulation index >3000) and >13-folds increase in in vivo clonal expanded CD4(+) T cells.
247 17187395 The expanded T cells were capable of cytokine secretion and expressed an activation and memory surface phenotype (CD62L(lo), CD11a(hi), and CD44(hi)).
248 17187395 Codelivery of antigen and MPLA in PLGA-NP offers an effective method for induction of potent antigen specific CD4(+) and CD8(+) T cell responses.
249 18032592 Because BPE cells did not express the LKT receptor CD11a/CD18, we infer that contaminating LPS was responsible for the decreased TEER.
250 18549647 The function of exosomes in immunity was detected through block test after blocking some molecules (CD11a, CD11b, CD11c, CD54, MFG-E8 and CD83).
251 18549647 The exosomes derived from mDC induced with different cytokines (LPS, TNF-alpha, CpG, CD40L) were no significant difference in concentrations but were different in effect.
252 18549647 The immunity function of exosomes depended on CD11a, CD11b, CD11c, CD54, MFG-E8 and CD83 molecules, the effect of priming T cells is reduced when these molecules were blocked.
253 18549647 Confocal microscopy and FACS assay showed that blocking CD11a and CD54 could inhibit exosome-targeted DC and DC-embedded exosomes.
254 18549647 The function of exosomes in immunity was detected through block test after blocking some molecules (CD11a, CD11b, CD11c, CD54, MFG-E8 and CD83).
255 18549647 The exosomes derived from mDC induced with different cytokines (LPS, TNF-alpha, CpG, CD40L) were no significant difference in concentrations but were different in effect.
256 18549647 The immunity function of exosomes depended on CD11a, CD11b, CD11c, CD54, MFG-E8 and CD83 molecules, the effect of priming T cells is reduced when these molecules were blocked.
257 18549647 Confocal microscopy and FACS assay showed that blocking CD11a and CD54 could inhibit exosome-targeted DC and DC-embedded exosomes.
258 18549647 The function of exosomes in immunity was detected through block test after blocking some molecules (CD11a, CD11b, CD11c, CD54, MFG-E8 and CD83).
259 18549647 The exosomes derived from mDC induced with different cytokines (LPS, TNF-alpha, CpG, CD40L) were no significant difference in concentrations but were different in effect.
260 18549647 The immunity function of exosomes depended on CD11a, CD11b, CD11c, CD54, MFG-E8 and CD83 molecules, the effect of priming T cells is reduced when these molecules were blocked.
261 18549647 Confocal microscopy and FACS assay showed that blocking CD11a and CD54 could inhibit exosome-targeted DC and DC-embedded exosomes.
262 19628058 WSL enhanced Th1 cytokine IFN-gamma expression in Con A primed splenocytes in vitro.
263 19628058 When given orally for 2 weeks to BALB/c mice immunized with emulsion of OVA in Freund's adjuvant (OVA-FCA), it caused dose-dependent proliferation of T cells and improved their ability to secrete IL-2 and IFN-gamma, but moderately down-regulated Th2 cytokine IL-4.
264 19628058 Flow cytometric analysis of lymphocyte surface markers of T cells CD3(+), CD4(+) and CD8(+), and B cells CD19(+) indicated prominent enhancement in proliferation and differentiation of lymphocytes.
265 19628058 Further, the effect of WSL in immunized mice elicited up-regulation of beta-integrins LFA (CD11a) and Mac-1 (CD11b) in splenocytes.
266 19628058 Co-stimulatory molecules CD80 and CD86 that are important secondary signals for the activation of immune system elicited remarkable enhanced expression when observed in spleen-derived macrophages isolated from WSL treated mice.
267 19933864 In this study, we demonstrate that Ag but not inflammation-driven changes in expression of CD11a and CD8alpha can be used to distinguish naive from Ag-experienced (effector and memory) CD8 T cells after infection or vaccination.
268 20526279 During the assay, T lymphocytes are allowed to adhere and migrate on a substrate coated with intercellular adhesion molecule-1 (ICAM-1), a ligand for integrin LFA-1, and stromal cell-derived factor-1 (SDF-1).
269 21399646 Such activated DCs, without further association with alum, show high affinity and stable binding with CD4(+) T cells via the adhesion molecules intercellular adhesion molecule-1 (ICAM-1) and lymphocyte function-associated antigen-1 (LFA-1).
270 21994357 Interestingly, we show that upon activation by anti-CD40 and gamma interferon (IFN-γ), B cells from PKR(-/-) mice show diminished major histocompatibility complex class II (MHC II), CD80, and CD86 levels on the cell surface compared to wild-type (WT) mice.
271 21994357 Our data also show that PKR is necessary for optimal expression of adhesion molecules, such as CD11a and ICAM-1, that are necessary for homotypic aggregation of B cells.
272 21994357 Furthermore, in this report we demonstrate for the first time that upon CD40 ligation, PKR is rapidly phosphorylated and activated, indicating that PKR is an early and novel downstream mediator of CD40 signaling pathways.
273 22002875 A clonal model for human CD8+ regulatory T cells: unrestricted contact-dependent killing of activated CD4+ T cells.
274 22002875 Previous studies in murine systems have demonstrated that CD8(+) Treg cells down-regulate immune responses in vivo through suppressing activated CD4(+) T cells.
275 22002875 Here we describe novel regulatory CD8(+) T-cell clones isolated from healthy human peripheral blood following in vitro stimulation with autologous Epstein-Barr virus (EBV)-specific CD4(+) T cells.
276 22002875 TCR activation of CD4(+) target T cells was required for CD8(+) Treg cells to exert suppressive activity, which was mediated through lysis of CD4(+) targets in a cell contact-dependent manner.
277 22002875 Suppression was independent of Foxp3 expression in CD8(+) Treg cells, HLA compatibility between CD8(+) Treg cells and CD4(+) target cells and antigen-specificity of CD4(+) target T cells.
278 22002875 CD8(+) Treg clones expressed CD3 and a variety of TCR V(β) chains as well as CD56, CD69, CD62L and CD95 but did not express CD16, CD161, CXCR4 and CCR7.
279 22002875 When used together, antibodies specific for CD11a/CD18 and CD8 inhibited suppressive activity of CD8(+) Treg clones.
280 22058417 Tissue-resident memory CD4 T cells in the lung did not circulate or emigrate from the lung in parabiosis experiments, were protected from in vivo Ab labeling, and expressed elevated levels of CD69 and CD11a compared with those of circulating memory populations.
281 22532682 HIV-1 infection ex vivo accelerates measles virus infection by upregulating signaling lymphocytic activation molecule (SLAM) in CD4+ T cells.
282 22532682 The results showed that the frequencies of MVwt- and MVvac-infected CD4(+) T cells within the resting peripheral blood mononuclear cells (PBMCs) were increased 3- to 4-fold after HIV-1 infection, and this was associated with a marked upregulation of signaling lymphocytic activation molecule (SLAM) expression on CD4(+) T cells but not on CD8(+) T cells.
283 22532682 Notably, SLAM upregulation was observed in HIV-infected as well as -uninfected CD4(+) T cells and was abrogated by the removal of HLA-DR(+) cells from the PBMC culture.
284 22532682 Rather, CD4(+) T cell activation mediated through direct contact with dendritic cells via leukocyte function-associated molecule 1 (LFA-1)/intercellular adhesion molecule 1 (ICAM-1) and LFA-3/CD2 was critical.
285 22532682 Thus, HIV-1 infection induces a high level of SLAM expression on CD4(+) T cells, which may enhance their susceptibility to MV and exacerbate measles in coinfected individuals.
286 22689994 We found that overexpression of the hematopoietic-specific RhoH protein in the presence of chemokine signals resulted in decreased Rap1-GTP and LFA-1 adhesiveness to ICAM-1, thus impairing T-cell chemotaxis; while in the presence of TCR signals, there were enhanced and sustained Rap1-GTP and LFA-1 activation as well as prolonged T:APC conjugates.
287 22689994 RT-PCR analyses of activated CD4(+) T cells and live images of T-cell migration and immunological synapse (IS) formation revealed that functions of RhoH took place primarily at the levels of transcription and intracellular distribution.
288 22711877 Experiments with knockout mice and blocking antibodies reveal that the uropod elongation and microparticle formation are the result of LFA-1-mediated adhesion and VLA-3-mediated cell migration through the vascular basement membrane.
289 22990800 Here, we describe a surrogate activation marker approach that uses the coordinate downregulation of the CD8α chain and upregulation of the integrin CD11a to track the total CD8 T cell response to Plasmodium vaccination via flow cytometry.
290 23935498 Of the 100 identified serotypes, ∼90% bind domain 1 of human intercellular adhesion molecule-1 (ICAM-1) as their cellular receptor, making this an attractive target for development of therapies; however, ICAM-1 domain 1 is also required for host defence and regulation of cell trafficking, principally via its major ligand LFA-1.
291 23935498 Interestingly, 14C11 did not prevent cell adhesion via human ICAM-1/LFA-1 interactions in vitro, suggesting the epitope targeted by 14C11 was specific for viral entry.
292 23935498 Of the 100 identified serotypes, ∼90% bind domain 1 of human intercellular adhesion molecule-1 (ICAM-1) as their cellular receptor, making this an attractive target for development of therapies; however, ICAM-1 domain 1 is also required for host defence and regulation of cell trafficking, principally via its major ligand LFA-1.
293 23935498 Interestingly, 14C11 did not prevent cell adhesion via human ICAM-1/LFA-1 interactions in vitro, suggesting the epitope targeted by 14C11 was specific for viral entry.
294 23980113 Here, we have further characterized vaccine-induced changes in the CD8(+) T cell phenotype and demonstrated significant upregulation of CD11c on CD3(+) CD8b(+) T cells in the liver, spleen, and peripheral blood.
295 23980113 CD11c(+) CD8(+) T cells are predominantly CD11a(hi) CD44(hi) CD62L(-), indicative of antigen-experienced effector cells.
296 23980113 Following in vitro restimulation with malaria-infected hepatocytes, CD11c(+) CD8(+) T cells expressed inflammatory cytokines and cytotoxicity markers, including IFN-γ, tumor necrosis factor alpha (TNF-α), interleukin-2 (IL-2), perforin, and CD107a.
297 23980113 CD11c(-) CD8(+) T cells, on the other hand, expressed negligible amounts of all inflammatory cytokines and cytotoxicity markers tested, indicating that CD11c marks multifunctional effector CD8(+) T cells.
298 23980113 Coculture of CD11c(+), but not CD11c(-), CD8(+) T cells with sporozoite-infected primary hepatocytes significantly inhibited liver-stage parasite development.
299 23980113 Tetramer staining for the immunodominant circumsporozoite protein (CSP)-specific CD8(+) T cell epitope demonstrated that approximately two-thirds of CSP-specific cells expressed CD11c at the peak of the CD11c(+) CD8(+) T cell response, but CD11c expression was lost as the CD8(+) T cells entered the memory phase.
300 23980113 Further analyses showed that CD11c(+) CD8(+) T cells are primarily KLRG1(+) CD127(-) terminal effectors, whereas all KLRG1(-) CD127(+) memory precursor effector cells are CD11c(-) CD8(+) T cells.
301 24307588 Using a primary cell-based coculture model, we show that monocyte-derived macrophages (MDM) efficiently transmit a high-multiplicity HIV-1 infection to autologous CD4(+) T cells through a viral envelope glycoprotein (Env) receptor- and actin-dependent virological synapse (VS), facilitated by interactions between ICAM-1 and LFA-1.
302 24348253 Semen CD4+ T cells and macrophages are productively infected at all stages of SIV infection in macaques.
303 24348253 Finally, we cocultured semen CD4(+) T cells and macrophages with a cell line permissive to SIV infection to assess their infectivity in vitro.
304 24348253 Lymphocytes had a mucosal phenotype and expressed activation (CD69 & HLA-DR) and migration (CCR5, CXCR4, LFA-1) markers.
305 24348253 CD69 expression was increased in semen T cells by SIV infection, at all stages of infection.
306 24348253 Macrophages predominated at all stages and expressed CD4, CCR5, MAC-1 and LFA-1.
307 24348253 Altogether, we demonstrated that semen contains the two major SIV-target cells (CD4+ T cells and macrophages).
308 24348253 Semen CD4+ T cells and macrophages are productively infected at all stages of SIV infection in macaques.
309 24348253 Finally, we cocultured semen CD4(+) T cells and macrophages with a cell line permissive to SIV infection to assess their infectivity in vitro.
310 24348253 Lymphocytes had a mucosal phenotype and expressed activation (CD69 & HLA-DR) and migration (CCR5, CXCR4, LFA-1) markers.
311 24348253 CD69 expression was increased in semen T cells by SIV infection, at all stages of infection.
312 24348253 Macrophages predominated at all stages and expressed CD4, CCR5, MAC-1 and LFA-1.
313 24348253 Altogether, we demonstrated that semen contains the two major SIV-target cells (CD4+ T cells and macrophages).
314 24489846 Here we report on a novel approach to utilize the binding of Intracellular Adhesion Molecule-1 (ICAM-1) to its binding partner, Lymphocyte Function-associated Antigen-1 (LFA-1), on B cells to enhance B cell activation and RABV-specific antibody responses.
315 24489846 While rRABV-mICAM-1 showed 10-100-fold decrease in viral titers on baby hamster kidney cells compared to the parental virus (rRABV), rRABV-mICAM-1 infected and activated primary murine B cells in-vitro more efficiently than rRABV, as indicated by significant upregulation of CD69, CD40, and MHCII on the surface of infected B cells.
316 25666226 Camel milk cells from 8 Gram-positive and 5 Gram-negative infected camels were examined with flow cytometry using cross-reacting antibodies like, anti-CD4(+), CD8(+), WC+1(+)γδ, CD62L, CD11a(+)/CD18, LPAM-1, CXCR2.
317 25666226 The statistical analysis of the mean percentage of the expressed CD markers has shown that CD62L, CXCR-2, LPAM-1, CD11a/CD18, CD8(+), IL-6R and CD20(+) were expressed in significant differences in either type of the infection.
318 21926977 These cells, specific to multiple viral and self-tumor antigens, were found within a CD45RO(-), CCR7(+), CD45RA(+), CD62L(+), CD27(+), CD28(+) and IL-7Rα(+) T cell compartment characteristic of naive T cells.
319 21926977 However, they expressed large amounts of CD95, IL-2Rβ, CXCR3, and LFA-1, and showed numerous functional attributes distinctive of memory cells.