One variation of HCP5 appears to provide some delay or resistance to the development of AIDS when a person is infected with HIV. This variation of HCP5 frequently occurs in conjunction with a particular version of an immune system gene called HLA-B.[1]
^Yu Y, Shen HM, Fang DM, Meng QJ, Xin YH (2018). "LncRNA HCP5 promotes the development of cervical cancer by regulating MACC1 via suppression of microRNA-15a". Eur Rev Med Pharmacol Sci. 22 (15). doi:10.26355/eurrev_201808_15616. PMID30070314.