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http://dx.doi.org/10.5187/JAST.2004.46.3.307

Prevalence of PERVs from Domestic Pigs in Korea (pol gene sequences)  

Kim, Y.B. (Department of Biotechnology, College of Animal Husbandry)
Yoo, J.Y. (Department of Biotechnology, College of Animal Husbandry)
Lee, J.Y. (National Genome Research Institute, KNIH)
Kim, G.W. (Department of Animal resource science, College of Industrial Science)
Park, H.Y. (Department of Biotechnology, College of Animal Husbandry)
Publication Information
Journal of Animal Science and Technology / v.46, no.3, 2004 , pp. 307-314 More about this Journal
Abstract
Xenotransplantation of porcine organs has the potential to overcome the severe. shortage of human tissues and organs available for human transplantation. The swine represents an ideal source of such organs because of their plentiful supply and their numerous anatomical and physiological similarities to the human. However, this procedure also carries with a number of safety issues relating to the zoonotic infections. Porcine endogenous retrovinJses(PERVs), \Wich are germ line transmitted and persist without symptoms in the pigs, are most concerning zoonotic viroses. In order to analyze the prevalence of PERV in domestic pigs, four kinds of pigs'(Landrace, Berkshire, Yorkshire, and Duroc) genomic DNA were isolated from their hair follicles. PCR analysis was carried out for detection of PERVs using subgroup A/B/C and E pol sequence primers. All pigs (20 heads) tested had high copy number of PERVs within genomes. Subgroup A/B/C and E pol gene sequences from 20 isolates were determined by direct sequencing. Sequence analysis showed pol sequences are highly conserved among intra- and inter-subspecies(99.l and 98.8%, respectively). As a first report of PERV prevalence in Korea pigs, our data would be the basic concepts of PERV transmission study in xenotransplantation.
Keywords
PERV; Xenotransplantation; gDNA; Pig; Korea;
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