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Peer-Reviewed Publication
J Vet Intern Med2026;40(1)January 21, 2026Journal Article

A machine learning model for cancer screening in dogs using comprehensive circulating microRNA profiles.

Ruisa Nishida1, Masashi Takahashi2, Kaori Ide3, Masashi Yuki4, Shunsuke Noguchi5, Yu Furusawa2, Hiroaki Hojo1, Sora Harako1, Ririka Horikawa1, Takuya Mizuno6,7,8, Yasuyuki Momoi9
1Research and Development Division, ARKRAY, Inc., Kyoto 602-0008, Japan.
2Joint Faculty of Veterinary Medicine, Kagoshima University Veterinary Teaching Hospital, Kagoshima University, Kagoshima 890-0065, Japan.
3Laboratory of Veterinary Internal Medicine, Department of Veterinary Medicine, Tokyo University of Agriculture and Technology, Tokyo 183-8509,  Japan.
4Yuki Animal Hospital, Aichi 455-0021, Japan.
5Japan Animal Referral Medical Center Osaka, Osaka 562-0036, Japan.
6Laboratory of Molecular Diagnostics and Therapeutics, Joint Faculty of Veterinary Medicine, Yamaguchi University, Yamaguchi 753-8515, Japan.
7Division of Translational Research for One Medicine, Research Institute for Cell Design Medical Science, Yamaguchi University, Yamaguchi 753-8515, Japan.
8Japan Small Animal Cancer Center, Public Interest Incorporated Foundation Japan Small Animal Medical Center, Saitama 359-0023, Japan.
9Department of Veterinary Clinical Pathobiology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo 113-8657, Japan.

Abstract

BACKGROUND: MicroRNAs (miRNAs) are non-coding RNAs involved in cancer-related biological processes. To date, no studies have determined that liquid biopsy using miRNA can specifically identify dogs with cancer from a mixed population of dogs with and without non-malignant diseases. HYPOTHESIS/OBJECTIVES: To assess the utility of a diagnostic model that differentiates dogs with cancer from a combi…

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