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PMID |
Sentence |
1 |
8349820
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Sera obtained prior to boosting had undetectable HIV-1-specific IgG and neutralizing activity, and did not block HIV-1 from binding or fusing to CD4+ MT-2 cells. 14 d after boosting, sera from each volunteer contained HIV-1-specific IgG titers of 1:40 to 1:1,280.
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2 |
14520699
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Human T-cell leukemia virus type 1 Tax activates cyclin-dependent kinase inhibitor p21/Waf1/Cip1 expression through a p53-independent mechanism: Inhibition of cdk2.
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3 |
14520699
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Tax transfection resulted in enhanced expression of p21 protein in T and fibroblastoid cells.
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4 |
14520699
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Similarly, Tax-expressing cells have higher amounts of endogenous p21 protein and RNA.
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5 |
14520699
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However, neither Tax-negative, HTLV-1 transformed cells or HTLV-1-negative T cell lines had detectable levels of p21 protein and RNA.
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6 |
14520699
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CREB/ATF defective Tax mutant (M47) activated the p21 promoter significantly less efficiently.
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7 |
14520699
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Tax activated wild type (wt) p21 promoter in p53-negative Jurkat and p53-positive A301cells, irrespective of endogenous p53 status, and activated a mutant p21 promoter containing a p53 responsive element (p53RE) deletion as strongly as wt promoter.
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8 |
14520699
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Of importance, cdk2 activity was almost completely abolished in Tax-induced p21-expressing MT-2 cells, suggesting that Tax-induced p21 predominantly affects the activity of cdk2, a late G1 and S phase kinase.
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9 |
14520699
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Taken together, these findings suggest that HTLV-1 Tax activates p21/Waf1/Cip1, a cell growth inhibitor, in a p53-independent mechanism through CREB/ATF-related transcription factors, and inhibits cdk2.
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10 |
19357975
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MT-1 and MT-3 mRNAs were expressed in the cerebellum in a dose-dependent manner.
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11 |
19357975
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In the cerebrum, little MT-1 protein was detected at 10 and 24 h, and there were no peaks of MT-2 protein in the cerebrum.
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12 |
19357975
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In conclusion, MT-1 and MT-3 mRNAs but not MT-2 mRNA are easily expressed in the cerebellum rather than in the cerebrum by the injection of low-dose thimerosal.
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13 |
19357975
|
MT-1 and MT-3 mRNAs were expressed in the cerebellum in a dose-dependent manner.
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14 |
19357975
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In the cerebrum, little MT-1 protein was detected at 10 and 24 h, and there were no peaks of MT-2 protein in the cerebrum.
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15 |
19357975
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In conclusion, MT-1 and MT-3 mRNAs but not MT-2 mRNA are easily expressed in the cerebellum rather than in the cerebrum by the injection of low-dose thimerosal.
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