BTG3 and systemic lupus erythematosus: Likewise, in the Systemic Lupus International Collaborating Clinics (SLICC) Inception Cohort of patients enrolled within 15 months of SLE diagnosis, ANA seroconversion from positive to negative was reported in 4.8% of the 805 persons with SLE at a follow-up visit occurring between 4–10 years after enrollment (11).