Investigation of porcine endogenous retrovirus in the conservation population of Ningxiang pig. 2009

X W Xing, and W J Hawthorne, and S Yi, and D M Simond, and Q Dong, and B Ye, and Q J Tong, and Z Ye, and W Wang
Cell Transplantation and Gene Therapy Institute of Central South University, Changsha 410013, P. R. China.

Porcine endogenous retrovirus (PERV) varies between pig breeds. Screening and analysis of PERV in putative pig breeds may provide basic parameters to evaluate the biological safety of xenotransplantation from pigs to humans. In this study, PERV was investigated among the conservation population of the Ningxiang pig. The result revealed that the genotype of PERV distribution was subtype A, 100%; subtype B, 100%; and subtype C, 100%. The env sequences of PERV-A and -B showed 11 clones detected by KpnI and MboI digestion, indicating that there existed multiple variants of PERV-A and -B in the Ningxiang pig. Reverse transcriptase polymerase chain reaction results showed that PERV had transcriptional activity in these individuals. In addition, PERV A/C recombinant was detected in most individuals of Ningxiang pig. Because PERV A/C recombinants increase the potential infectious risk, the breed may not be a proper donor for xenotransplantation.

UI MeSH Term Description Entries
D009926 Organ Preservation The process by which organs are kept viable outside of the organism from which they were removed (i.e., kept from decay by means of a chemical agent, cooling, or a fluid substitute that mimics the natural state within the organism). Organ Preservations,Preservation, Organ,Preservations, Organ
D002681 China A country spanning from central Asia to the Pacific Ocean. Inner Mongolia,Manchuria,People's Republic of China,Sinkiang,Mainland China
D004272 DNA, Mitochondrial Double-stranded DNA of MITOCHONDRIA. In eukaryotes, the mitochondrial GENOME is circular and codes for ribosomal RNAs, transfer RNAs, and about 10 proteins. Mitochondrial DNA,mtDNA
D004279 DNA, Viral Deoxyribonucleic acid that makes up the genetic material of viruses. Viral DNA
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D012194 RNA-Directed DNA Polymerase An enzyme that synthesizes DNA on an RNA template. It is encoded by the pol gene of retroviruses and by certain retrovirus-like elements. EC 2.7.7.49. DNA Polymerase, RNA-Directed,RNA-Dependent DNA Polymerase,Reverse Transcriptase,RNA Transcriptase,Revertase,DNA Polymerase, RNA Directed,DNA Polymerase, RNA-Dependent,RNA Dependent DNA Polymerase,RNA Directed DNA Polymerase
D012367 RNA, Viral Ribonucleic acid that makes up the genetic material of viruses. Viral RNA
D013045 Species Specificity The restriction of a characteristic behavior, anatomical structure or physical system, such as immune response; metabolic response, or gene or gene variant to the members of one species. It refers to that property which differentiates one species from another but it is also used for phylogenetic levels higher or lower than the species. Species Specificities,Specificities, Species,Specificity, Species
D013552 Swine Any of various animals that constitute the family Suidae and comprise stout-bodied, short-legged omnivorous mammals with thick skin, usually covered with coarse bristles, a rather long mobile snout, and small tail. Included are the genera Babyrousa, Phacochoerus (wart hogs), and Sus, the latter containing the domestic pig (see SUS SCROFA). Phacochoerus,Pigs,Suidae,Warthogs,Wart Hogs,Hog, Wart,Hogs, Wart,Wart Hog

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