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Journal of Virology, August 2000, p. 7687-7690, Vol. 74, No. 16
0022-538X/00/$04.00+0
Copyright © 2000, American Society for Microbiology. All rights reserved.
Infection of Nonhuman Primate Cells by Pig
Endogenous Retrovirus
Juergen H.
Blusch,1
Clive
Patience,2,
Yasuhiro
Takeuchi,2,
Christian
Templin,3
Christian
Roos,4
Klaus
Von Der
Helm,1
Gustav
Steinhoff,3 and
Ulrich
Martin3,*
Max von Pettenkofer Institute, Department of
Virology,1 and Department of Medical
Genetics,4 Ludwig Maximilian University, Munich,
and Leibniz Research Laboratories for Biotechnology and
Artificial Organs, Hannover Medical School, 30659 Hannover,3 Germany, and Chester Beatty
Laboratories, Institute of Cancer Research, London SW3 6JB, United
Kingdom2
Received 14 March 2000/Accepted 22 May 2000
The ongoing shortage of human donor organs for transplantation has
catalyzed new interest in the application of pig organs (xenotransplantation). One of the biggest concerns about the
transplantation of porcine grafts into humans is the transmission of
pig endogenous retroviruses (PERV) to the recipients or even to other
members of the community. Although nonhuman primate models are
excellently suited to mimic clinical xenotransplantation settings,
their value for risk assessment of PERV transmission at
xenotransplantation is questionable since all of the primate cell lines
tested so far have been found to be nonpermissive for PERV infection.
Here we demonstrate that human, gorilla, and Papio
hamadryas primary skin fibroblasts and also baboon B-cell lines
are permissive for PERV infection. This suggests that a reevaluation of
the suitability of the baboon model for risk assessment in
xenotransplantation is critical at this point.
*
Corresponding author. Mailing address: Leibniz Research
Laboratories for Biotechnology and Artificial Organs, Hannover Medical School, Podbielskistr. 380, D-30659 Hannover, Germany.
Phone: 49-511-906-3533. Fax: 49-511-906-3569. E-mail:
umartin{at}artificial-organs.de.

Present address: BioTransplant Incorporated, Charlestown, MA
02129.

Present address: Wohl Virion Centre, Windeyer Institute,
University College London, London W1P 6DB, United
Kingdom.
Journal of Virology, August 2000, p. 7687-7690, Vol. 74, No. 16
0022-538X/00/$04.00+0
Copyright © 2000, American Society for Microbiology. All rights reserved.
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