IFN-γ, sIL-2Rα, sIL-6R, IL-10, IP-10, TNF-α, MCP-1, sCD14, BLC-BCA1 and sTNFR-2 were found to be higher in the subsequent AIDS-KS cases than those unaffected. The gene discussed is CXCL13; the disease is Kaposi's sarcoma.