Haapala DK, et al. Isolation from cats of an endogenous type C virus with a novel envelope glycoprotein. J. Virol. 53: 827-833, 1985. PubMed: 2983093
Bassin RH, et al. Normal DBA/2 mouse cells synthesize a glycoprotein which interferes with MCF virus infection. Virology 123: 139-151, 1982. PubMed: 6959413
Li Z, et al. PG-4 cell plaque assay for xenotropic murine leukemia virus. J. Virol. Methods 81: 47-53, 1999. PubMed: 10488760
The cells are useful for detection and assay of various C type retroviruses. PG-4 is one of the cell lines that is recommended by the U.S. Food and Drug Administration for detection of replication competent retroviruses in products and reagents for human use.