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Characterization of porcine endogenous retrovirus clones from the NIH miniature pig BAC library.


ABSTRACT: Pigs have been considered as donors for xenotransplantation in the replacement of human organs and tissues. However, porcine endogenous retroviruses (PERVs) might transmit new infectious disease to humans during xenotransplantation. To investigate PERV integration sites, 45 PERV-positive BAC clones, including 12 PERV-A, 16 PERV-B, and 17 PERV-C clones, were identified from the NIH miniature pig BAC library. The analysis of 12 selected full-length sequences of PERVs, including the long terminal repeat (LTR) region, identified the expected of open reading frame length, an indicative of active PERV, in all five PERV-C clones and one of the four PERV-B clones. Premature stop codons were observed in only three PERV-A clones. Also, eleven PERV integration sites were mapped using a 5000-rad IMpRH panel. The map locations of PERV-C clones have not been reported before, thus they are novel PERV clones identified in this study. The results could provide basic information for the elimination of site-specific PERVs in selection of pigs for xenotransplantation.

SUBMITTER: Yu SL 

PROVIDER: S-EPMC3168785 | biostudies-literature | 2012

REPOSITORIES: biostudies-literature

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Characterization of porcine endogenous retrovirus clones from the NIH miniature pig BAC library.

Yu Seong-Lan SL   Jung Woo-Young WY   Jung Kie-Chul KC   Cho In-Cheol IC   Lim Hyun-Tae HT   Jin Dong-Il DI   Lee Jun-Heon JH  

Journal of biomedicine & biotechnology 20110907


Pigs have been considered as donors for xenotransplantation in the replacement of human organs and tissues. However, porcine endogenous retroviruses (PERVs) might transmit new infectious disease to humans during xenotransplantation. To investigate PERV integration sites, 45 PERV-positive BAC clones, including 12 PERV-A, 16 PERV-B, and 17 PERV-C clones, were identified from the NIH miniature pig BAC library. The analysis of 12 selected full-length sequences of PERVs, including the long terminal r  ...[more]

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