In another study [6] IgG antibodies were observed in 13 out of 15 (86.7%) immunocompetent and all the 26 (100%) AIDS patients studied and IgM response was observed in 14 out of 15 (93.3%) immunocompetent and 4 out of 26 (15.4%) HIV positive patients. The gene discussed is CD40LG; the disease is AIDS.