کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8463514 | 1549369 | 2018 | 30 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Early Env-specific CTLs effectively suppress viral replication in SHIV controller macaques
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موضوعات مرتبط
علوم زیستی و بیوفناوری
بیوشیمی، ژنتیک و زیست شناسی مولکولی
بیولوژی سلول
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چکیده انگلیسی
Early immunological events in acute HIV infection are thought to fundamentally influence long-term disease outcomes. Though the contribution of Gag-specific CD8 T cell responses to early viral control is well established, little is known about the role of Env-specific CD8 T cell responses in controlling viral replication during acute infection. In a macaque simian-human immunodeficiency virus (SHIV) model, some macaques who were able to control SHIV replication after ART interruption showed expansion of Env-specific CD8 T cell responses during acute infection, compared to macaques who progressed to viral rebound. To better understand the function of early Env-specific CD8 T cells, we isolated, expanded and examined their ability to act as effectors in vitro. We observed that Env-specific CD8 T cell clones have the capacity to directly recognize and kill SHIV-infected CD4 T cells, but failed to reduce viral replication in SHIV-infected macrophages. Our data suggest that early Env-specific CD8 T cell responses during acute SHIV infection contribute substantially to the control of viral replication. The T-cell clones composing of Env-specific effector cells demonstrates in vitro phenotypic and functional characteristics with the potentials to provide longlasting clinical benefit of in vivo HIV study.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Cellular Immunology - Volume 331, September 2018, Pages 30-37
Journal: Cellular Immunology - Volume 331, September 2018, Pages 30-37
نویسندگان
Jin Fan, Hua Liang, Tao Shen, Shuo Wang, Xiaolin Ji, Cassian Yee, Fengmin Lu, Yiming Shao,