Cutaneous vasculitis with partial C4 deficiency responsive to dapsone

Partial C4A deficiency is associated wit

Partial C4A deficiency is associated with susceptibility to systemic lupus erythematosus in black americans

✍ Wendell A. Wilson; Myriam C. Perez; Patricia E. Armatis 📂 Article 📅 1988 🏛 John Wiley and Sons 🌐 English ⚖ 487 KB 👁 2 views

In a study of 59 black American patients with systemic lupus erythematosus (SLE), we found that partial C4A deficiency occurred twice as frequently as in 59 control subjects (32.3% versus 15.3%; P = 0.02). Complete C4A deficiency, however, occurred in only 1 patient and in no controls. Partial C4A