all 31 samples from patients with immunoglobulin-a ( iga ) nephropathy , 1 of 12 with systemic lupus erythematosus ( sle ) , and 1 of 5 with henoch-schonlein purpura ( hsp ) showed mesangial staining with cytomegalovirus antiserum , whereas no sample from 37 patients with other forms of glomerulonephritis was positive .
C0017661
immunoglobulin-a
C0017658
glomerulonephritis