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Stephen A. Migueles

Researcher at National Institutes of Health

Publications -  88
Citations -  12930

Stephen A. Migueles is an academic researcher from National Institutes of Health. The author has contributed to research in topics: CD8 & Cytotoxic T cell. The author has an hindex of 41, co-authored 85 publications receiving 11969 citations.

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HIV nonprogressors preferentially maintain highly functional HIV-specific CD8+ T-cells

TL;DR: The quality of the HIV-specific CD8(+) T-cell functional response serves as an immune correlate of HIV disease progression and a potential qualifying factor for evaluation of HIV vaccine efficacy.
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HLA B*5701 is highly associated with restriction of virus replication in a subgroup of HIV-infected long term nonprogressors.

TL;DR: These findings indicate that, within this phenotypically and genotypically distinct cohort, a host immune factor is highly associated with restriction of virus replication and nonprogressive disease and strongly suggest a mechanism of virus specific immunity that directly operates through the B*5701 molecule.
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HIV-specific CD8+ T cell proliferation is coupled to perforin expression and is maintained in nonprogressors

TL;DR: Results indicated that nonprogressors were differentiated by increased proliferative capacity of HIV-specific CD8+ T cells linked to enhanced effector function, and the relative absence of these functions in progressors may represent a mechanism by which HIV avoids immunological control.
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Expression of CD57 defines replicative senescence and antigen-induced apoptotic death of CD8+ T cells

TL;DR: It is found that a large proportion of HIV-specific CD8(+) T cells that produce cytokines in response to cognate antigen are unable to divide and die during a 48-hour in vitro culture.
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Broad and potent neutralization of HIV-1 by a gp41-specific human antibody

TL;DR: The structure of 10E8 in complex with the complete MPER revealed a site of vulnerability comprising a narrow stretch of highly conserved gp41-hydrophobic residues and a critical arginine or lysine just before the transmembrane region, suggesting the importance of these residues for neutralization.