part of part of has part has part characteristic of inheres in towards has modifier T cell CD4-positive, alpha-beta memory T cell Decreased memory T cell proportion Abnormal CD4+ memory T cell proportion Decreased CD4+ memory T cell proportion 2019-04-05T15:25:44Z Decreased proportion of CD4-positive memory T cells Decresaed proportion of CD4-positive, alpha-beta memory T cells compared to the total number of T cells in the blood. These cells have the phenotype of CD45RO-positive and CD127-positive. This cell type is also described as being CD25-negative, CD44-high, and CD122-high. abnormal decreased ratio blood