human_reference_atlas has characterizing marker set has marker component CD27 CD19 LY86 TNFRSF13B BANK1 ADAM28 CRIP1 GPR183 HLA-DQA1 HLA-DRA IGHA1 MS4A1 cell cell type (from CL) memory B cell class switched memory B cell memory b cell Switched B Cell CT memory B cell class switched memory B-lymphocyte A class switched memory B cell is a memory B cell that has undergone Ig class switching and therefore is IgM-negative on the cell surface. These cells are CD27-positive and have either IgG, IgE, or IgA on the cell surface. class switched memory B lymphocyte switched b cell CL:0000972 Per DSD: Class switched memory B cells are also reportedly CD48-positive, CD229-positive, and CD352-positive. class switched memory B-cell Homo sapiens sequence collection red pulp of spleen marginal zone of spleen spleen thymus lobule thymus thymus corticomedullary boundary thymus lobe spleen central arteriole penicillar arteriole spleen pulp red pulp-white pulp border sheathed capillary