TXLNA and synovial sarcoma: It was hypothesized that IL14 can selectively act on memory B cell to enhance memory B cell function and induces SS by converting low-affinity autoreactivity into high-affinity memory B cell [8, 15, 16], while both IL14 and BAFF transgenic mice shared lots of similar features as animal model for pSS, such as lymphocytic infiltration of lacrimal and submandibular gland.