decreased CD8-positive, alpha-beta T cell number abnormal Tc17 cell morphology decreased Tc17 cell number 2010-10-20T11:16:23Z Found in the CD27-positive CD28-positive or CD27-negative CD28-positive fractions with the phenotype CCR4-negative and CCR7-negative. MP:0010673 MPheno.ontology csmith decreased Tc17 T cell number decreased Tc17 T lymphocyte number decreased Tc17 T-cell number decreased Tc17 T-lymphocyte number reduced Tc17 T cell number reduced Tc17 T lymphocyte number reduced Tc17 T-cell number reduced Tc17 T-lymphocyte number reduced Tc17 cell number reduced cell number of a CD8-positive, alpha-beta positive T cell with the phenotype CCR6-positive, CCR5-high, CD45RA-negative, and secreting IL-17 and some IFNg