| Human herpesvirus 8 viral FLICE-inhibitory protein retards cell proliferation via downregulation of Id2 and Id3 expression. | |
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MedLine Citation:
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PMID: 20512523 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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Death receptor-mediated apoptosis is potently inhibited by viral FLIP (FLICE/caspase 8 inhibitory protein) through reduced activation of procaspase 8. In this study, we show that the human herpesvirus 8-encoded vFLIP retards cell proliferation. Overexpression of vFLIP caused cell cycle arrest, with an apparent decrease of cells in the S phase. The Id (inhibitor of DNA binding) proteins are considered as dominant negative regulators of differentiation pathways, but positive regulators of cellular proliferation. The mechanisms by which Id proteins promote the cell cycle are diverse, but appear to involve affecting the expression of cell cycle regulators. RT-PCR results demonstrated that the expression of vFLIP decreased the expression levels of Id2 and Id3 as well as cyclin E and cyclin A compared with the vFLIP-null cells. These indicate that vFLIP affects cell proliferation by decreasing the expression levels of cell cycle regulatory proteins. |
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Authors:
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Yi-Fen Wang; Lin-Yu Wang; Yi-Ling Li; Huey-Wen Shyu; Yee-Hsuan Chiou; Miao-Chen Chou; Kuan-Hua Lin; Ming-Hong Tai; Chang-Yu Chen |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2010-05-29 |
Journal Detail:
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Title: Molecular and cellular biochemistry Volume: 343 ISSN: 1573-4919 ISO Abbreviation: Mol. Cell. Biochem. Publication Date: 2010 Oct |
Date Detail:
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Created Date: 2010-09-21 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0364456 Medline TA: Mol Cell Biochem Country: Netherlands |
Other Details:
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Languages: eng Pagination: 83-9 Citation Subset: IM |
Affiliation:
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Department of Medical Technology, Fooyin University, Ta-Liao, Kaohsiung Hsien, Taiwan, ROC. yfwang@mail.fy.edu.tw |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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