NDLI: Porcine circovirus type 2 decreases the infection and replication of attenuated classical swine fever virus in porcine alveolar macrophages.

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Porcine circovirus type 2 decreases the infection and replication of attenuated classical swine fever virus in porcine alveolar macrophages.

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Porcine circovirus type 2 decreases the infection and replication of attenuated classical swine fever virus in porcine alveolar macrophages.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Huang, Yu-Liang Pang, Victor Fei Deng, Ming-Chung Chang, Chia-Yi Jeng, Chian-Ren
Description	Country affiliation: Taiwan Author Affiliation: Huang YL ( Division of Hog Cholera Research, Animal Health Research Institute, Council of Agriculture, No. 376, Chung-Cheng Rd., Tansui District, New Taipei City 251, Taiwan.); Pang VF ( Graduate Institute of Veterinary Medicine, School of Veterinary Medicine, National Taiwan University, No. 1, Sec. 4, Roosevelt Rd., Taipei 106, Taiwan); Deng MC ( Division of Hog Cholera Research, Animal Health Research Institute, Council of Agriculture, No. 376, Chung-Cheng Rd., Tansui District, New Taipei City 251, Taiwan.); Chang CY ( Division of Hog Cholera Research, Animal Health Research Institute, Council of Agriculture, No. 376, Chung-Cheng Rd., Tansui District, New Taipei City 251, Taiwan.); Jeng CR ( Graduate Institute of Veterinary Medicine, School of Veterinary Medicine, National Taiwan University, No. 1, Sec. 4, Roosevelt Rd., Taipei 106, Taiwan)
Abstract	Recently, it has been noted that porcine circovirus type 2 (PCV2) infection adversely affects the protective efficacy of Lapinized Philippines Coronel (LPC) vaccine, an attenuated strain of classical swine fever virus (CSFV), in pigs. In order to investigate the possible mechanisms of the PCV2-derived interference, an in vitro model was established to study the interaction of LPC virus (LPCV) and PCV2 in porcine alveolar macrophages (AMs). The results showed that PCV2 reduced the LPCV infection in AMs and the levels of PCV2-derived interference were dose-dependent. The PCV2-derived interference also reduced the replication level of LPCV in AMs. The full-length PCV2 DNA and its fragment DNA C9 CpG-ODN were involved in the reduction of LPCV infection in AMs, whereas UV-inactivated PCV2 was not. In addition, a moderate negative correlation between the LPCV antigen-containing rate and IFN-Î³ production was observed, and had a dose-dependent trend with the level of PCV2-inoculation. The results of the present study may partially explain how PCV2 infection interferes with the efficacy of LPC vaccine.
File Format	HTM / HTML
ISSN	00345288
Issue Number	1
Volume Number	96
e-ISSN	15322661
Journal	Research in Veterinary Science
Language	English
Publisher	Elsevier
Publisher Date	2014-02-01
Publisher Place	Great Britain (UK)
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Veterinary Medicine Circoviridae Infections Veterinary Circovirus Immunology Classical Swine Fever Classical Swine Fever Virus Macrophages, Alveolar Virology Viral Vaccines Animals Genetics Prevention & Control Cytokines Dose-response Relationship, Immunologic Oligodeoxyribonucleotides Rna, Viral Chemistry Real-time Polymerase Chain Reaction Specific Pathogen-free Organisms Swine Standards Virus Replication Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Veterinary

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