PRTN3 and systemic lupus erythematosus: Indeed, our own analysis of CNS SLE CSF (ms in preparation) revealed elevations in several antibodies that were not tested in the current study, but have been linked to CNS SLE manifestations including anti-dsDNA [24, 33, 66, 85], anti-cardiolipin [41, 74, 83, 99] and anti-PR3 antibodies [100].