ERVFRD-1;, ERVFRDE1, GLLL6191, HERV-FRD, HERV-W/FRD, UNQ6191, envFRD, endogenous retrovirus group FRD member 1, endogenous retrovirus group FRD member 1, envelope
合胞素-2(英語:Syncytin-2,也称为內源性反轉錄病毒FRD组成员1,endogenous retrovirus group FRD member 1),它由ERVFRD-1基因编码[5],与胚胎在子宫中的着床有关[6]。該基因是一种内源性病毒元件,它是约4500万年前逆转录病毒感染人類後的残余物[7]。
^Vargas A, Moreau J, Landry S, LeBellego F, Toufaily C, Rassart E, Lafond J, Barbeau B. Syncytin-2 plays an important role in the fusion of human trophoblast cells. Journal of Molecular Biology. 2009, 392 (2): 301–18. PMID 19616006. doi:10.1016/j.jmb.2009.07.025.