Patients with the rare DNASE1L3 biallelic null mutation present with childhood-onset disease that resembles lupus. This observation prompted research into how abnormalities in the enzyme DNASE1L3 are associated with lupus, with researchers finding autoantibody-mediated impairment of DNASE1L3 activity may be a common non-genetic mechanism leads to anti-dsDNA autoreactivity in SLE.
