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PMID |
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15147359
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We measured oxidative markers, serum proinflammatory cytokines, soluble cytokine receptors and subsets of peripheral blood lymphocytes (by varying combinations of CD4, CD8, CD23 or low-affinity IgE receptor, and CD25 or IL-2 receptor) from 38 type I patients, 76 low-risk (i.e. without underlying islet autoimmunity) non-diabetic first-degree relatives of diabetic patients, and 95 healthy subjects.
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15147359
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Relatives had decreased counts of monocytes, of cells co-expressing CD23 and CD25 and of CD25(+) cells in peripheral blood.
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3 |
15147359
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Patients with TIDM had similar defects and, in addition, showed decreased counts of peripheral CD4(+)CD8(+) lymphocytes and increased serum levels of soluble receptors for interleukin (IL)-6 and IL-2.
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4 |
15147359
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In the whole study group, we found a correlation (multiple R 0.5, P < 0.001) of CD23(+)CD25(+) cells with blood counts of monocytes, CD4(+)CD8(+) cells, CD25(+) cells, basal haemolysis and plasma levels of thiols.
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5 |
15147359
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In type I diabetics, anti-GAD65 antibody levels were associated (multiple R 0.6, P = 0.01) positively with sIL-6R, negatively with duration of diabetes and CD23(+)CD25(+) counts; plasma creatinine correlated positively (multiple R 0.6, P < 0.001) with both sIL-2R and tumour necrosis factor (TNF)-alpha concentration.
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6 |
15147359
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Our study reports the first evidence that the oxidative stress observed in type I families is related to immunological hallmarks (decreased peripheral numbers of monocytes as well as cells bearing a CD4(+)CD8(+), CD23(+)CD25(+) and CD25(+) phenotype) from which the involvement of some immunoregulatory mechanisms could be suspected.
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7 |
15557196
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The eosinophil-recruiting chemokine, eotaxin, and the high-affinity IgE receptor (FcepsilonRI) were up-regulated >5-fold in d65 DRlyp/lyp vs d65 DR+/+ pancreatic lymph nodes by microarray (p < 0.05) and quantitative RT-PCR studies (p < 0.05).
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8 |
16002993
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Ubiquitin-protein ligase Cbl-b negatively regulates high affinity IgE receptor (FcepsilonRI)-mediated degranulation and cytokine gene transcription in mast cells.
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9 |
16002993
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FcepsilonRI-mediated tyrosine phosphorylation of Syk, Gab2, and phospholipase C-gamma1, and activation of c-Jun N-terminal kinase (JNK), extracellular signal-regulated kinase (ERK), p38 mitogen-activated protein kinase (MAP kinase), and inhibitor of nuclear factor kappaB kinase (IKK), and generation of Rac1 are unaffected in cells overexpressing the truncated Cbl-b in the lipid raft.
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10 |
16002993
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On the other hand, FcepsilonRI-mediated transcriptional activation of nuclear factor of activated T cells (NFAT), and transcription of interleukin-3 (IL-3) and IL-4 mRNA are inhibited by overexpression of the truncated variant of Cbl-b.
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11 |
16002993
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These structural and functional analyses reveal the mechanism underlying the selective inhibition of cellular signaling by the truncated variant of Cbl-b related to insulin-dependent diabetes mellitus.
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12 |
23448449
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"Benifuuki" green tea has been shown to strongly inhibit mast cell activation and histamine release after FcepsilonRI cross-linking through the suppression of tyrosine phosphorylation (Lyn) of cellular protein kinase, and the suppression of myosin light chain phosphorylation and high-affinity IgE receptor expression via the binding to 67 kDa laminin receptors.
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