Characterisation of a human cell-adapted porcine endogenous retrovirus PERV-A/C.

Abstract excerpt

BACKGROUND: Porcine endogenous retroviruses (PERVs) pose a potential risk for xenotransplantation using pig cells, tissues or organs. A special threat comes from viruses generated by recombination between human-tropic PERV-A and ecotropic PERV-C. Serial passages of a recombinant PERV-A/C on human 293 cells resulted in increased infectious titers and a multimerization of transcription factor binding sites in the...

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