Recombinant porcine endogenous retroviruses (PERV-A/C): a new risk for xenotransplantation?

Recombinant porcine endogenous retroviruses (PERV-A/C): a new risk for xenotransplantation? PERVs are integrated in the genome of all pigs. Some of them infect human cells and represent therefore a potential risk for xenotransplantation using pig cells or organs. Three replication-competent subtypes have been described, PERV-A, PERV-B and PERV-C. Whereas PERV-A and PERV-B are polytropic viruses and infect, among others, human cells, PERV-C is an ecotropic virus, infecting only pig cells. Recombinant PERV-A/C are able to infect human cells, they are characterised by high-titre replication and their proviruses have been found de novo integrated in the genome of somatic pig cells, but not in the germ line. This review compares recombinant PERVs with other recombinant retroviruses in order to evaluate their potential pathogenicity. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

Recombinant porcine endogenous retroviruses (PERV-A/C): a new risk for xenotransplantation?

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Publisher
Springer Vienna
Copyright
Copyright © 2008 by Springer-Verlag
Subject
Biomedicine; Infectious Diseases; Medical Microbiology ; Virology
ISSN
0304-8608
eISSN
1432-8798
D.O.I.
10.1007/s00705-008-0141-7
Publisher site
See Article on Publisher Site

Abstract

PERVs are integrated in the genome of all pigs. Some of them infect human cells and represent therefore a potential risk for xenotransplantation using pig cells or organs. Three replication-competent subtypes have been described, PERV-A, PERV-B and PERV-C. Whereas PERV-A and PERV-B are polytropic viruses and infect, among others, human cells, PERV-C is an ecotropic virus, infecting only pig cells. Recombinant PERV-A/C are able to infect human cells, they are characterised by high-titre replication and their proviruses have been found de novo integrated in the genome of somatic pig cells, but not in the germ line. This review compares recombinant PERVs with other recombinant retroviruses in order to evaluate their potential pathogenicity.

Journal

Archives of VirologySpringer Journals

Published: Aug 1, 2008

References

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