Phenotypic analysis of the unstimulated in vivo HIV CD4 T cell reservoir

Jason Neidleman, Xiaoyu Luo, Julie Frouard, Guorui Xie, Feng Hsiao, Tongcui Ma, Vincent Morcilla, Ashley Lee, Sushama Telwatte, Reuben Thomas, Whitney Tamaki, Benjamin Wheeler, Rebecca Hoh, Ma Somsouk, Poonam Vohra, Jeffrey Milush, Katherine Sholtis James, Nancie Archin, Peter Hunt, Steven Deeks, Steven Yukl, Sarah Palmer, Warner Greene & Nadia Roan
The latent reservoir is a main barrier for curing HIV. But because latently-infected cells cannot be phenotyped directly, the features of the in vivo reservoir have remained elusive. Here, we describe a method that leverages high-dimensional phenotyping using CyTOF to trace latently-infected cells reactivated ex vivo to their original pre-activation states. Our results suggest that contrary to common assumptions, the reservoir is not randomly distributed among cell subsets, and is remarkably conserved between individuals. However,...
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