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PMID |
Sentence |
1 |
11162627
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Using the reverse transcription PCR, we evaluated expression levels of various antigen presentation-related genes, including LMP2, LMP7, MECL-1, PA28alpha, PA28beta, TAP1, TAP2, and tapasin, in two oral squamous cell carcinoma cell lines, HSC5 and HSC7.
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2 |
11162627
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Expression levels of LMP2, MECL-1, TAP1, and TAP2 transcripts are reduced in both cell lines in comparison with a normal epithelial cell line.
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3 |
11162627
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Further, HSC5 and HSC7 show diminished expression of LMP7/tapasin, and PA28alpha/beta, respectively.
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4 |
11162627
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Surface expression of HLA-B alleles is down-regulated in both lines presumably due to low expression of TAP1/2.
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5 |
11162627
|
Using the reverse transcription PCR, we evaluated expression levels of various antigen presentation-related genes, including LMP2, LMP7, MECL-1, PA28alpha, PA28beta, TAP1, TAP2, and tapasin, in two oral squamous cell carcinoma cell lines, HSC5 and HSC7.
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6 |
11162627
|
Expression levels of LMP2, MECL-1, TAP1, and TAP2 transcripts are reduced in both cell lines in comparison with a normal epithelial cell line.
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7 |
11162627
|
Further, HSC5 and HSC7 show diminished expression of LMP7/tapasin, and PA28alpha/beta, respectively.
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8 |
11162627
|
Surface expression of HLA-B alleles is down-regulated in both lines presumably due to low expression of TAP1/2.
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9 |
11739503
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The proteasome regulator PA28alpha/beta was up-regulated, whereas PA28gamma was reduced in the liver of lymphocytic choriomeningitis virus-infected mice.
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10 |
16515877
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The ubiquitin-proteasome system (UPS) plays an indispensable role in inducing MHC class I-restricted CD8+ T cells and was exploited in the development of a DNA vaccine against the intracellular protozoan Toxoplasma gondii by constructing a chimeric DNA encoding a fusion protein between murine ubiquitin and the toxoplasma antigen SAG1.
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11 |
16515877
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Mice vaccinated with the DNA acquired potent protective immunity mediated by MHC class I-restricted CD8+ T cells against infection by the highly virulent Toxoplasma.
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12 |
16515877
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The accelerated degradation and induction of immunity were dependent on the UPS since mice lacking an immuno-subunit of 20S proteasome, LMP7, lost these functions, although they were independent of the proteasome regulator PA28alpha/beta complex.
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13 |
18321749
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Here, to develop a vaccine strategy taking advantage of activated CD8(+)T cells, we constructed a DNA vaccine, designated pGFP-TSA1, encoding a fusion protein linking GFP to a single CTL epitope of TSA1, a leading candidate for vaccine against T. cruzi.
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14 |
18321749
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Vaccination with pGFP-TSA1 enhanced epitope-specific cytotoxicity and IFN-gamma secretion by CD8(+)T cells.
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15 |
18321749
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When mice deficient in the proteasome activator PA28alpha/beta or the immunoproteasome subunits LMP2 and LMP7 were used, the protective immunity against infection was profoundly attenuated.
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16 |
18321749
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Our findings clearly demonstrate that vaccination with pGFP-TSA1 successfully induces protection dependent on CD8(+)T cell activation, in which immunoproteasomes play a crucial role.
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