Research Fields, Keywords

Small animal Liver Nutrition Theraphy Amino Acid

Graduating School 【 display / non-display


    Nippon Veterinary and Life Science University   Faculty of Veterinary Medicine   Graduated

Graduate School 【 display / non-display


    Nippon Veterinary and Life Science University  Graduate School, Division of Veterinary Medicine  Doctor's Course  Completed

Field of expertise (Grants-in-aid for Scientific Research classification) 【 display / non-display

  • Veterinary medical science


Papers 【 display / non-display

  • Effect of dental scaling on oxidative stress in dogs.

    Nao Tsuzuki, Kio Iwamoto, Norimitsu Iwatsubo, Shingo Uchida, Yuichi Hidaka, Shidow Torisu


    Joint Work

  • A possible origin population of pathogenic intestinal nematodes, Strongyloides stercoralis, unveiled by molecular phylogeny

    Nagayasu E., Aung M., Hortiwakul T., Hino A., Tanaka T., Higashiarakawa M., Olia A., Taniguchi T., Win S., Ohashi I., Odongo-Aginya E., Aye K., Mon M., Win K., Ota K., Torisu Y., Panthuwong S., Kimura E., Palacpac N., Kikuchi T., Hirata T., Torisu S., Hisaeda H., Horii T., Fujita J., Htike W., Maruyama H.

    Scientific Reports   7   2017.12  [Refereed]

    Joint Work

     View Summary

    © 2017 The Author(s). Humans and dogs are the two major hosts of Strongyloides stercoralis, an intestinal parasitic nematode. To better understand the phylogenetic relationships among S. stercoralis isolates infecting humans and dogs and to assess the zoonotic potential of this parasite, we analyzed mitochondrial Cox1, nuclear 18S rDNA, 28S rDNA, and a major sperm protein domain-containing protein genes. Overall, our analyses indicated the presence of two distinct lineages of S. stercoralis (referred to as type A and type B). While type A parasites were isolated both from humans and dogs in different countries, type B parasites were found exclusively in dogs, indicating that the type B has not adapted to infect humans. These epidemiological data, together with the close phylogenetic relationship of S. stercoralis with S. procyonis, a Strongyloides parasite of raccoons, possibly indicates that S. stercoralis originally evolved as a canid parasite, and later spread into humans. The inability to infect humans might be an ancestral character of this species and the type B might be surmised to be an origin population from which human-infecting strains are derived.


  • Retrospective analysis of canine gallbladder contents in biliary sludge and gallbladder mucoceles

    MIZUTANI Shinya, TORISU Shidow, KANEKO Yasuyuki, YAMAMOTO Shushi, FUJIMOTO Shinsuke, ONG Benedict Huai Ern, NAGANOBU Kiyokazu

    The Journal of Veterinary Medical Science   79   366 - 374   2017.02  [Refereed]

    Joint Work

     View Summary

    <p>The pathophysiology of canine gallbladder diseases, including biliary sludge, gallbladder mucoceles and gallstones, is poorly understood. This study aimed to evaluate the component of gallbladder contents and bacterial infection of the gallbladder in order to elucidate the pathophysiology of biliary sludge and gallbladder mucoceles. A total of 43 samples of canine gallbladder contents (biliary sludge, 21 and gallbladder mucoceles, 22) were subjected to component analysis by infrared spectroscopy, and the resultant infrared spectra were compared with that of swine mucin. Of the 43 samples, 41 were also evaluated by aerobic and anaerobic bacterial culture. The contents of 20 (95.2%) biliary sludge and 22 (100%) gallbladder mucocele samples exhibited similar infrared spectra as swine mucin. Although biliary sludge and gallbladder mucocele contents exhibited similar infrared spectra, one sample of biliary sludge (4.8%) was determined to be composed of proteins. The rate of bacterial infection of the gallbladder was 10.0% for biliary sludge and 14.3% for gallbladder mucoceles. Almost all of the identified bacterial species were intestinal flora. These results indicate that the principal components of gallbladder contents in both gallbladder mucoceles and biliary sludge are mucins and that both pathophysiologies exhibit low rates of bacterial infection of the gallbladder. Therefore, it is possible that gallbladder mucoceles and biliary sludge have the same pathophysiology, and, rather than being independent diseases, they could possibly represent a continuous disease. Thus, biliary sludge could be considered as the stage preceding the appearance of gallbladder mucoceles.</p>

    DOI CiNii

  • Oxidative stress markers in Thoroughbred horses after castration surgery under inhalation anesthesia.

    Tsuzuki N, Sasaki N, Kusano K, Endo Y, Torisu S.

    Journal of Equine Science   27   77 - 79   2016.04  [Refereed]

    Joint Work

  • A case report of suspected hepatopulmonary syndrome secondary to ductal plate malformation with chronic active hepatitis in a dog.

    Kaneko Y, Torisu S, Hagio M, Yamaguchi R, Mizutani S, Naganobu K.

    Journal of Veterinary Medical Science   78   493 - 497   2016.04  [Refereed]

    Joint Work

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Books 【 display / non-display

  • Updates on Veterinary Therapies

    (Part: Joint Work )

    Midori Shobo Co.,Ltd  2016.10 ISBN: 978-4-89531-282-0

  • Updates on Veterinary Therapies

    (Part: Joint Work )

    Midori Shobo Co.,Ltd  2015.10

  • Veterinary Neurology in Dogs and Cats

    Hasegawa D, Torisu S. (Part: Single Work )

    Midori Shobo Co.,Ltd  2015.03

  • Updates on Veterinary Therapies

    (Part: Joint Work )

    Midori Shobo Co.,Ltd  2014.10


    (Part: Joint Work )


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Presentations 【 display / non-display

  • 消化器外科:さぁ~困ったぞ!という時の対処法 1.胆管閉塞のトラブル対処法

    鳥巣至道  [Invited]

    日本臨床獣医学フォーラム 年次大会2019  2019.09  -  2019.09  一般社団法人 日本臨床獣医学フォーラム

  • 免疫不全疑い犬における遺伝子診断:CD40Ligandの点変異の同定

    森正太郎, 新井良和, 金子泰之, 鳥巣至道, 西野光一郎

    第162回日本獣医学会学術集会  2019.09  -  2019.09 

  • 鳥巣至道の「消化器疾患と臨床栄養学」~手作り食で出来ること~

    鳥巣至道  [Invited]

    CACIO&PYIA&JPMA&JTCVM特別講座  2018.07  -  2018.07 

  • 胆嚢摘出後に真菌感染による総胆管内の狭窄が疑われた犬の1例

    金子泰之, 鳥巣至道, 長田祐樹, Benedict Huai Ern ONG, 水谷真也, 山本集士, 藤本晋輔, 永延清和

    第95回日本獣医麻酔外科学会 第107回日本獣医循環器学会  2017.12  -  2017.12 

  • Hepatic encephalopathy in dogs and cats

    鳥巣 至道

    第36回世界小動物獣医師会大会  2011.10  -  2011.10  World Small Animal Veterinary Association

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