Epidemiological evidence for early-onset of enzootic bovine leukosis by L233-Tax-carrying bovine leukemia virus in Japanese Black cattle
Bovine leukemia virus (BLV) is the causative agent of enzootic bovine leukosis (EBL), of which annual number has rapidly increased in Japan, and it can be divided into two categories based on the amino acid at position 233 in the Tax protein. Here, we conducted a nationwide surveillance of Japanese...
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| Veröffentlicht in: | Journal of Veterinary Medical Science 2022, Vol.84(9), pp.1216-1220 |
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| creator | TOMIYASU, Takafumi MORI, Hiroshi OKAZAKI, Katsunori |
| description | Bovine leukemia virus (BLV) is the causative agent of enzootic bovine leukosis (EBL), of which annual number has rapidly increased in Japan, and it can be divided into two categories based on the amino acid at position 233 in the Tax protein. Here, we conducted a nationwide surveillance of Japanese Black cattle between 2008 and 2021 in Japan. Among 237 tumor samples, 131 (55.3%) and 101 (42.6%) were harbored L233- and P233-Tax, respectively. Onset of EBL under the age of 3 years by L233-Tax-carrying BLV was frequently observed, especially in the animals born via embryo transfer. We also found that L233-Tax-carrying BLV was more prevalent in dairy areas than non-dairy areas. These findings give insight into prevention of EBL. |
| doi_str_mv | 10.1292/jvms.22-0169 |
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Here, we conducted a nationwide surveillance of Japanese Black cattle between 2008 and 2021 in Japan. Among 237 tumor samples, 131 (55.3%) and 101 (42.6%) were harbored L233- and P233-Tax, respectively. Onset of EBL under the age of 3 years by L233-Tax-carrying BLV was frequently observed, especially in the animals born via embryo transfer. We also found that L233-Tax-carrying BLV was more prevalent in dairy areas than non-dairy areas. 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Vet. Med. Sci.</addtitle><description>Bovine leukemia virus (BLV) is the causative agent of enzootic bovine leukosis (EBL), of which annual number has rapidly increased in Japan, and it can be divided into two categories based on the amino acid at position 233 in the Tax protein. Here, we conducted a nationwide surveillance of Japanese Black cattle between 2008 and 2021 in Japan. Among 237 tumor samples, 131 (55.3%) and 101 (42.6%) were harbored L233- and P233-Tax, respectively. Onset of EBL under the age of 3 years by L233-Tax-carrying BLV was frequently observed, especially in the animals born via embryo transfer. We also found that L233-Tax-carrying BLV was more prevalent in dairy areas than non-dairy areas. These findings give insight into prevention of EBL.</description><subject>Age</subject><subject>Amino acids</subject><subject>bovine leukemia virus</subject><subject>Bovine leukosis</subject><subject>Embryo transfer</subject><subject>enzootic bovine leucosis</subject><subject>Epidemiology</subject><subject>Japanese Black cattle</subject><subject>Leukosis</subject><subject>Tax</subject><subject>Tax protein</subject><subject>Tumors</subject><subject>Virology</subject><issn>0916-7250</issn><issn>1347-7439</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNpdkU1v1DAQhi0Eokvhxg-wxIUDKf6Ik_iCRKvypZW4lLPl2OOtt157sZOoyy_gZ5NoVyvgMqPRPPPOjF6EXlNyRZlk77fTrlwxVhHayCdoRXndVm3N5VO0IpI2VcsEuUAvStkSwmjdyOfogouOU8rYCv2-3XsLO59C2nijA4ZprqMB7FLGoHM4VCkWGHByGOKvlAZvcJ8mHwEHGB9S8QX3B7xmnFd3-rEyOueDj5u_oXmBxpPPY8E-4m96ryMUwNdBmwds9DAEeImeOR0KvDrlS_Tj0-3dzZdq_f3z15uP68oIKYaKdq1jonaaCEucrYXteqfBOuGosNA3QA2X0kJNbGOlIU1jWKvrjjIrXM34Jfpw1N2P_Q6sgThkHdQ--53OB5W0V_92or9XmzQpKRhnUs4Cb08COf0coQxq54uBEOaf0lgUazrZtKQlZEbf_Idu05jj_J5iLZGkY7xbLnp3pExOpWRw52MoUYvFarFYMaYWi2f8-ohvy6A3cIZ1np0JcIS7WsklnIbOTXOvs4LI_wBMsLPd</recordid><startdate>2022</startdate><enddate>2022</enddate><creator>TOMIYASU, Takafumi</creator><creator>MORI, Hiroshi</creator><creator>OKAZAKI, Katsunori</creator><general>JAPANESE SOCIETY OF VETERINARY SCIENCE</general><general>Japan Science and Technology Agency</general><general>The Japanese Society of Veterinary Science</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QR</scope><scope>7U9</scope><scope>8FD</scope><scope>FR3</scope><scope>H94</scope><scope>M7N</scope><scope>P64</scope><scope>7X8</scope><scope>5PM</scope></search><sort><creationdate>2022</creationdate><title>Epidemiological evidence for early-onset of enzootic bovine leukosis by L233-Tax-carrying bovine leukemia virus in Japanese Black cattle</title><author>TOMIYASU, Takafumi ; MORI, Hiroshi ; OKAZAKI, Katsunori</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c595t-187f254fa05d0fd45d8bfaedf5f15deb6e1c399de40d6d9c066c27a4812d5f423</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Age</topic><topic>Amino acids</topic><topic>bovine leukemia virus</topic><topic>Bovine leukosis</topic><topic>Embryo transfer</topic><topic>enzootic bovine leucosis</topic><topic>Epidemiology</topic><topic>Japanese Black cattle</topic><topic>Leukosis</topic><topic>Tax</topic><topic>Tax protein</topic><topic>Tumors</topic><topic>Virology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>TOMIYASU, Takafumi</creatorcontrib><creatorcontrib>MORI, Hiroshi</creatorcontrib><creatorcontrib>OKAZAKI, Katsunori</creatorcontrib><collection>CrossRef</collection><collection>Chemoreception Abstracts</collection><collection>Virology and AIDS Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Journal of Veterinary Medical Science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>TOMIYASU, Takafumi</au><au>MORI, Hiroshi</au><au>OKAZAKI, Katsunori</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Epidemiological evidence for early-onset of enzootic bovine leukosis by L233-Tax-carrying bovine leukemia virus in Japanese Black cattle</atitle><jtitle>Journal of Veterinary Medical Science</jtitle><addtitle>J. Vet. Med. Sci.</addtitle><date>2022</date><risdate>2022</risdate><volume>84</volume><issue>9</issue><spage>1216</spage><epage>1220</epage><pages>1216-1220</pages><artnum>22-0169</artnum><issn>0916-7250</issn><eissn>1347-7439</eissn><abstract>Bovine leukemia virus (BLV) is the causative agent of enzootic bovine leukosis (EBL), of which annual number has rapidly increased in Japan, and it can be divided into two categories based on the amino acid at position 233 in the Tax protein. Here, we conducted a nationwide surveillance of Japanese Black cattle between 2008 and 2021 in Japan. Among 237 tumor samples, 131 (55.3%) and 101 (42.6%) were harbored L233- and P233-Tax, respectively. Onset of EBL under the age of 3 years by L233-Tax-carrying BLV was frequently observed, especially in the animals born via embryo transfer. We also found that L233-Tax-carrying BLV was more prevalent in dairy areas than non-dairy areas. 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| subjects | Age Amino acids bovine leukemia virus Bovine leukosis Embryo transfer enzootic bovine leucosis Epidemiology Japanese Black cattle Leukosis Tax Tax protein Tumors Virology |
| title | Epidemiological evidence for early-onset of enzootic bovine leukosis by L233-Tax-carrying bovine leukemia virus in Japanese Black cattle |
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