Although CD8+ cytotoxic T cells contribute to lacrimal gland pathology,85 their numbers do not vary with disease progression in SS mouse models85,86 nor do they vary between lacrimal glands of NOD.H-2h4 and NOD.H-2h4 DKO mice (Figs. 5B, 5C). Here, CD8A is linked to synovial sarcoma.