TASL and systemic lupus erythematosus: Initial analysis of non-B/non-T PBMCs from patients with primary Sjogren's syndrome, another autoimmune disorder with a female to male bias of >13:1 (47), showed an increase (2.3-fold) in CXorf21 expression similar in degree to that found in SLE, but not statistically significant compared to healthy male control samples (data not shown).