Isolation of equine papillomavirus type 1 from racing horse in          Japan

Jianbao DONG; Wei ZHU; Nanako YAMASHITA; James K. CHAMBERS; Kazuyuki UCHIDA; Atsutoshi KUWANO; Takeshi HAGA

doi:10.1292/jvms.17-0322

Virology

Isolation of equine papillomavirus type 1 from racing horse in Japan

Jianbao DONG, Wei ZHU, Nanako YAMASHITA, James K. CHAMBERS, Kazuyuki UCHIDA, Atsutoshi KUWANO, Takeshi HAGA

Author information

Jianbao DONG
Shandong Vocational Animal Science and Veterinary College, 88, Shenglidong Street, Weifang 261061, China
Division of Infection Control and Disease Prevention, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1–1–1 Yayoi, Bunkyo-Ku, Tokyo 113–8657, Japan
Qinghai University and Tsinghua University Three Rivers Source Research Institute, Qinghai University, 25, Ningda Road, Xining 810016, China
Wei ZHU
Shandong Vocational Animal Science and Veterinary College, 88, Shenglidong Street, Weifang 261061, China
Division of Infection Control and Disease Prevention, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1–1–1 Yayoi, Bunkyo-Ku, Tokyo 113–8657, Japan
Qinghai University and Tsinghua University Three Rivers Source Research Institute, Qinghai University, 25, Ningda Road, Xining 810016, China
Nanako YAMASHITA
Division of Infection Control and Disease Prevention, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1–1–1 Yayoi, Bunkyo-Ku, Tokyo 113–8657, Japan
James K. CHAMBERS
Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1–1–1 Yayoi, Bunkyo-Ku, Tokyo 113–8657, Japan
Kazuyuki UCHIDA
Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1–1–1 Yayoi, Bunkyo-Ku, Tokyo 113–8657, Japan
Atsutoshi KUWANO
Equine Research Institute, Japan Racing Association, 1400-4 Shiba, Shimotsuke, Tochigi 329-0412, Japan
Current address: Japan Farriery Association, JRA Shimbashi Bunkan Bldg., 4-5-4 Shimbashi, Minato-ku, Tokyo 105-0004, Japan
Takeshi HAGA
Division of Infection Control and Disease Prevention, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1–1–1 Yayoi, Bunkyo-Ku, Tokyo 113–8657, Japan

Keywords: EcPV type 1, equine papillomatosis, initial detection, racing horse

JOURNAL FREE ACCESS

2017 Volume 79 Issue 12 Pages 1957-1959

DOI https://doi.org/10.1292/jvms.17-0322

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Abstract

Although many studies have been conducted worldwide for Equus caballus papillomavirus (EcPV), limited information is available on the virus in Japan. We recently collected one classical viral papillomatosis sample (E150904) from a racing horse in Japan. Papillomavirus infection was confirmed by histopathology, immunohistochemistry and PCR assays, and the sample was diagnosed as epithelial papilloma. Full-length genome of the virus was cloned and sequenced. It was 7,613 bp in length and had the same genome organization with reported EcPV-1. Moreover, phylogenetic analysis based on L1 gene revealed that the infection was caused by a variant of EcPV-1. This is the first report of EcPV infection in Japan, and would further contribute to the molecular epidemiological and pathological studies for EcPV.

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