FASLG and systemic lupus erythematosus: <h4>Background</h4>Although the existence of antiphospholipid antibodies (aPL) has been extensively documented as a risk factor for thrombocytopenia, hemolytic anemia, and recurrent miscarriage, their contribution to renal damage in the context of the systemic lupus erythematosus (SLE) is yet to be defined.