Matches in SemOpenAlex for { <https://semopenalex.org/work/W2022649585> ?p ?o ?g. }
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- W2022649585 abstract "HIV-1 infection cannot be cured due to reservoirs formed early after infection. Decreasing the massive CD4+ T cell activation that occurs at the beginning of the disease would delay reservoir seeding, providing a better prognosis for patients. CD4+ T cell activation is mediated by protein kinase C (PKC) theta (θ), which is involved in T-cell proliferation, as well as NF-κB, NF-AT, and AP-1 activation. We found that PKCθ activity increased viral replication, but also that HIV-1 induced higher activation of PKCθ in infected CD4+ T cells, creating a feedback loop. Therefore, specific inhibition of PKCθ activity could contribute to control HIV-1 replication. We tested the efficacy of seven PKCθ specific inhibitors to control HIV-1 replication in CD4+ T cells and selected two of the more potent and safer: CGX1079 and CGX0471. They reduced PKCθ phosphorylation at T538 and its translocation to the plasma membrane, which correlated with decreased HIV-1 retrotranscription through partial inhibition of SAMHD1 antiviral activity, rendering lower proviral integration. CGX1079 and CGX0471 also interfered with viral transcription, which would reduce the production of new virions, as well as the subsequent spread and infection of new targets that would increase the reservoir size. CGX1079 and CGX0471 did not completely abrogate T-cell functions such as proliferation and CD8-mediated release of IFN-γ in PBMCs from HIV-infected patients, thereby avoiding general immunosuppresion. Consequently, using PKCθ inhibitors as adjuvant of antiretroviral therapy in recently infected patients would decrease the pool of activated CD4+ T cells, thwarting proviral integration and reducing the reservoir size." @default.
- W2022649585 created "2016-06-24" @default.
- W2022649585 creator A5005329204 @default.
- W2022649585 creator A5007242104 @default.
- W2022649585 creator A5039883794 @default.
- W2022649585 creator A5042219923 @default.
- W2022649585 creator A5050753288 @default.
- W2022649585 creator A5061011421 @default.
- W2022649585 creator A5063383231 @default.
- W2022649585 creator A5065131737 @default.
- W2022649585 creator A5065885408 @default.
- W2022649585 creator A5071503448 @default.
- W2022649585 date "2015-04-01" @default.
- W2022649585 modified "2023-10-09" @default.
- W2022649585 title "Analysis of protein kinase C theta inhibitors for the control of HIV-1 replication in human CD4+ T cells reveals an effect on retrotranscription in addition to viral transcription" @default.
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