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© Michaela Muller-Trutwin
HIV
Scientific Fields
Diseases
Organisms
Applications
Technique

Published in Cell reports - 22 Sep 2020

Passaes C, Millet A, Madelain V, Monceaux V, David A, Versmisse P, Sylla N, Gostick E, Llewellyn-Lacey S, Price DA, Blancher A, Dereuddre-Bosquet N, Desjardins D, Pancino G, Le Grand R, Lambotte O, Müller-Trutwin M, Rouzioux C, Guedj J, Avettand-Fenoel V, Vaslin B, Sáez-Cirión A,

Link to Pubmed [PMID] – 32966788

Link to DOI [DOI] – S2211-1247(20)31163-310.1016/j.celrep.2020.108174

Cell Rep 2020 Sep; 32(12): 108174

Highly efficient CD8+ T cells are associated with natural HIV control, but it has remained unclear how these cells are generated and maintained. We have used a macaque model of spontaneous SIVmac251 control to monitor the development of efficient CD8+ T cell responses. Our results show that SIV-specific CD8+ T cells emerge during primary infection in all animals. The ability of CD8+ T cells to suppress SIV is suboptimal in the acute phase but increases progressively in controller macaques before the establishment of sustained low-level viremia. Controller macaques develop optimal memory-like SIV-specific CD8+ T cells early after infection. In contrast, a persistently skewed differentiation phenotype characterizes memory SIV-specific CD8+ T cells in non-controller macaques. Accordingly, the phenotype of SIV-specific CD8+ T cells defined early after infection appears to favor the development of protective immunity in controllers, whereas SIV-specific CD8+ T cells in non-controllers fail to gain antiviral potency, feasibly as a consequence of early defects imprinted in the memory pool.

https://pubmed.ncbi.nlm.nih.gov/32966788