part of part of has part has part characteristic of inheres in towards has modifier T cell effector memory CD8-positive, alpha-beta T cell Abnormal effector memory CD8+ T cell proportion Decreased CD8+ memory T cell proportion Decreased effector memory CD8+ T cell proportion 2019-04-05T18:22:11Z A reduced proportion of CD8-positive effector memory T cells compared to the total number of T cells in the blood. These cells have the phenotype CCR7-negative, CD127-positive, CD45RA-negative, CD45RO-positive, and CD25-negative. Decreased proportion of effector memory CD8-positive T cells abnormal decreased ratio blood