Kulemzin et al. also found that FCRL6 gene is predominantly detected in T cells rather than B cells when analyzed patient samples from autoimmune diseases like rheumatoid arthritis (RA), systemic lupus erythematosus (SLE), and idiopathic thrombocytopenia purpura (ITP). This evidence concerns the gene FCRL6 and autoimmune thrombocytopenic purpura.