Fig. 1From: Implication of IL-7 receptor alpha chain expression by CD8+ T cells and its signature in defining biomarkers in agingCD8+ T cell subsets with distinct characteristics, including IL-7 receptor alpha expression, can be identified in human peripheral blood. Flow cytometric analysis of human peripheral CD8+ T cells showing (a) naïve (N), central (CM), CD45RA− and CD45RA+ effector memory (EM) CD8+ T cells (b) expressing distinct levels of IL-7 receptor alpha chainBack to article page