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- Chlichlia, K., et al.
(författare)
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Redox events in HTLV-1 tax-induced apoptotic T-cell death
- 2002
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Ingår i: Antioxidants and Redox Signaling. - : Mary Ann Liebert, Inc. publishers. - 1523-0864 .- 1557-7716. ; 4:3, s. 471-477
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Tidskriftsartikel (refereegranskat)abstract
- A number of studies implicate reactive oxygen intermediates in the induction of DNA damage and apoptosis. Recent studies suggest that the human T-cell leukemia virus type I (HTLV-1) Tax protein induces oxidative stress and apoptotic T-cell death. Activation of the T-cell receptor/CD3 pathway enhances the Tax-mediated oxidative and apoptotic effects. Tax-mediated apoptosis and oxidative stress as well as activation of nuclear factor-kappaB can be potently suppressed by antioxidants. This review focuses on Tax-dependent changes in the intracellular redox status and their role in Tax-mediated DNA damage and apoptosis. The relevance of these observations to HTLV-1 virus-mediated T-cell transformation and leukemogenesis are discussed.
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