TNFSF13B and peeling skin syndrome: However, compared with that at baseline, the level of BAFF mRNA was significantly increased with IFN-α in SGECs of pSS patients (p = 0.03) but not in those of controls (p = 0.2), which suggests that SGECs of patients with pSS are particularly susceptible to expressing BAFF under stimulation with IFN-α.