Title |
Critical roles for Akt kinase in controlling HIV envelope-mediated depletion of CD4 T cells
|
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Published in |
Retrovirology, June 2013
|
DOI | 10.1186/1742-4690-10-60 |
Pubmed ID | |
Authors |
Haishan Li, C David Pauza |
Abstract |
The cell surface receptors CD4 and CCR5 bind CCR5-tropic HIV Envelope (Env) glycoprotein during virus attachment. These same receptors have signaling activities related to normal immune cell functions. We also know that Env binds to CCR5 present at high levels on CD4-negative γδ T cells where it signals through p38 MAP kinase to activate caspases and Fas-independent cell death. Here, we asked whether Env signaling through cellular receptors is responsible for death among uninfected CD4+/CCR5+ T cells and what are the effects of Env on CD4+/CCR5-negative cells that might impact HIV infection. The outcomes of Env binding are analyzed in terms of signal transduction and the effects on cell activation or cell death pathways. |
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Unknown | 22 | 100% |
Demographic breakdown
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Professor | 3 | 14% |
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Student > Bachelor | 2 | 9% |
Other | 4 | 18% |
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Unknown | 4 | 18% |