ARAI Toshiro

J-GLOBAL         Last updated: Jul 30, 2019 at 13:57
ARAI Toshiro
Nippon Veterinary and Life Science University
Faculty of Veterinary Science, School of Veterinary Medicine, Division of Veterinary Biochemistry
Job title
PhD(Veterinary Science), Master of Science(Nippon Veterinary and Life Science University)
Research funding number


Dr. Toshiro Arai is a professor of Veterinary Biochemistry at Nippon Veterinary and Life Science University (NVLU) School of Veterinary Medicine. He obtained his DVM in 1981 and PhD in 1986 at NVLU. He started working as assistant professor at NVLU, then worked for University of Michigan at Ann Arbor, Medical School as postdoctoral fellow. He came back to NVLU in 1990, where he served as Chief of Department of Veterinary Basic Sciences, Chief of School of Veterinary Medicine, and Dean of Faculty of Veterinary Science. Dr. Arai has authored more than 160 peer-reviewed research publications in clinical biochemistry and pathology, with focus on veterinary biochemistry and pathology including comparative energy metabolism and metabolic disorders in various animals. He receives some big grants for research and education from the governmental societies and private enterprises. He is chairman and councilor of some scientific societies, Japanese Society of Veterinary Clinical Pathology, Japanese Society for Veterinary Science and Japanese Association for Laboratory Animal Science. Dr. Arai is the recipient of several research and service awards and was a winner of 2014 Heiner Sommer Prize of the International Society for Animal Clinical Pathology.

Research Areas


Academic & Professional Experience

Apr 2016
Mar 2018
Dean, Graduate School, Nippon Veterinary and Life Science University
Apr 2006
Professor, School of Veterinary Medicine, Nippon Veterinary and Life Science University
Apr 2011
Mar 2015
Apr 1996
Mar 2006
Associate Professor, School of Veterinary Medicine, Nippon Veterinary and Life Science University
Apr 1990
Mar 1996
School of Veterinary Medicine, Nippon Veterinary and Life Sceince University
Nov 1989
Oct 1990
Post doctoral Research Fellow, Medical School, University of Michigan
Apr 1986
Mar 1990
Assistant Professor, School of Veterinary Medicine, Nippon Veterinary and Life Sceince University
University of Michigan, Post doctoral
Research Fellow


Graduate School, Division of Veterinary Medicine, Nippon Veterinary and Life Science University
Faculty of Veterinary Medicine and Animal Sciences, Nippon Veterinary and Life Science University

Awards & Honors

Jun 2014
Heiner Sommer Prize, International Society for Animal Clinical Pathology

Published Papers

Molecular identification, characterization, and structure analysis of house musk shrew (Suncus murinus) leptin
Saga S, Sasaki N, Arai T
Journal of Advances Veterinary and Animal Research   6(1) 1-8   Mar 2019
Effects of astaxanthin supplementation in healthy and obese dogs
Murai T, Kawasumi K, Tominaga K, Okada Y, Kobayashi M, Arai T
Veterinary Medicine Research and Reports   10 29-35   Jan 2019
Habara M, Mori N, Okada Y, Kawasumi K, Nakao N, Tanaka Y, Arai T, Yamamoto I
General and Comparative Endocrinology   261 31-39   Mar 2018   [Refereed]
Physiological changes following acute weight gain and loss in cats
Okada Y, Kawasumi K, Kobayashi M, Yamamoto I, Arai T
Research & Reviews: Journal of Veterinary Science   3(2) 1-7   Dec 2017   [Refereed]
Sugisawa R, Hiramoto E, Matsuoka S, Iwai S, Takai R, Yamazaki T, Mori N, Okada Y, Takeda N, Yamamura K, Arai T, Arai S, Miyazaki T
Scientific Reports   6 35251   Oct 2016   [Refereed]
Kiku Y, Nagasawa Y, Tanabe F, Sugawara K, Watanabe A, Hata E, Ozawa T, Nakajima K, Arai T, Hayashi T
Journal of Veterinary Medical Science   78(9) 1505-1510   Sep 2016   [Refereed]
Urushihara Y, Kawasumi K, Endo S, Tanaka K, Hirakawa Y, Hayashi G, Sekine T, Kino Y, Kuwahara Y, Suzuki M, Fukumoto M, Yamashiro H, Abe Y, Fukuda T, Shinoda H, Isogai E, Arai T, Fukumoto M
PLOS ONE   11(5) doi:10.1371/journal.pone.01550   May 2016   [Refereed]
Michishita M, Ohtsuka A, Nakahira R, Tajima T, Nakagawa T, Sasaki N, Arai T, Takahaashi K
Journal of Veterinary Medical Science   78(4) 685-689   Apr 2016   [Refereed]
Mori A, Ueda K, Lee P, Oda H, Ishioka K, Arai T, Sako T
Research in Veterinary Science   106 131-134   Apr 2016   [Refereed]


Changes in plasma metabolite levels in healthy dogs supplemented with anti-oxidant compound
ARAI Toshiro
Veterinary Preemptive Medicine   1(1) 9-14   Jun 2018   [Refereed]
Siginificance of development of preemptive veterinary medicine in an aging society
Arai T, Ohnishi Y, Okada Y, Kobayashi M, Muranaka S
Preemptive Veterinary Medicine   1(1) 1-8   Jun 2018   [Refereed]
Antioxidant nutrients and preventive veterinary medicine
ARAI Toshiro
Clinic Notes   140 4-7   Mar 2017   [Invited]
Comparison of short chain fatty acids between healthy feline feces and rumen juice
Journal of Veterinary and Life Science   2(2) 53-59   Oct 2016   [Refereed]
Application of laparoscopic observation of visceral fat accumulation to diagnosis for obesity in cats
Journal of Veterinary and Life Science   2(2) 47-51   Oct 2016   [Refereed]
Feline Obesity
Kobayashi M, Okada Y, Arai T
Journal of Veterinary and Life Science   2(2) 41-46   Oct 2016   [Refereed]
The aging effect on blood biomarkers in riding horses
Hirakawa Y, Kawasumi K, Koide M, Arai T
Journal of Veterinary Medicine and Life Science   2(1) 15-22   May 2016   [Refereed]
Introduction of ISACP 2018 Tokyo
ARAI Toshiro
Japanese Journal of Veterinary Clinical Pathology   14(1) 7-11   Dec 2015   [Refereed]
Body condition score and plasma malate dehydrogenase/lactate dehydrogenase (M/L) ratio as obesity indicator in a riding horse
ARAI Toshiro
Japanese Journal of Veterinary Medicine and Life Science   1 19-23   2015   [Refereed]
Changes in serum cholesterol and triglyceride profiles and metabolite concentrations in obese dogs with diffrent ages
Kashiwado N, Kawasumi K, Okada Y, Sawamura M, Sasaki Y, Tsuchida N, Mori N, Yamamoto I, Arai T
The Japanese Journal of Veterinary Clinical Pathology   13 1-7   2015   [Refereed]

Books etc

TYPE 1 DIABETES Complications, Pathogenesis, and Alternative Treatments
Chih-Pin Liu (eds) (Part:Joint Work)
INTECH   Dec 2011   
Veterinary Biochemistry
Asakura Co. Ltd   2005   


Studies on Induction Mechanism of Diabetes in New Animal Models for Diabetes Mellitus
Studies on Activities of Active Transport and Certain Enzymes in Metabolic Diseases of Herbivorous Voles
Glutathione Peroxidase Ativity in tissues of chickens supplemented with diltary selenium
Effect of Supplementation with herb on metabolism
Analysis of energy metabolism in beef cattle

Research Grants & Projects

Analysis of onset mechanism of metabolic syndrome in dog and cats
International Collaboration
Project Year: 2005 - 2010
Preventive veterinary medicine of obesity and diabetes mellitus in dogs and cats
Grant-in-Aid for Scientific Research
Project Year: 2008 - 2012