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Yoko Ambrosini - DVM, MPVM, PhD

Yoko Ambrosini
Small Animal Internal Medicine

Dr. Yoko Ambrosini is a Small Animal Medicine resident who graduated from Nihon University in Japan. After veterinary school, she completed a Master in Preventive Veterinary Medicine, then a PhD in Comparative Pathology at UCDavis. She completed a rotating internship at Veterinary Specialty Hospital in San Diego, CA, and an Internal Medicine internship at Animal Specially Group in Los Angeles, CA. Dr. Ambrosini’s special interests include hepatology, gastroenterology, nephrology, endocrinology, and immunology. Her hobbies include yoga, traveling, and cooking. When not at work, she spends time with her husband, two daughters, and a cat, Edgie.


  • PhD – University of California, Davis, 2011
  • MPVM – University of California, Davis, 2009
  • BVM and DVM – Nihon University, 2007
  • The multi-hit hypothesis of primary biliary cirrhosis: polyinosinic-polycytidylic acid (poly I:C) and murine autoimmune cholangitis Ambrosini YM, Yang GX, Zhang W, Tsuda M, Shu SA, Tsuneyama K, Leung PS, Ansari AA, Coppel RL, Gershwin ME.  Clin Exp Immunol. 2011 Oct;166(1):110-20.  Impact Factor: 3.41
  • Fine phenotypic and functional characterization of effector CD8(+) T cells in patients with primary biliary cirrhosis. Tsuda M, Ambrosini YM, Zhang W, Yang GX, Ando Y, Rong G, Tsuneyama K, Sumida K, Shimoda S, Bowlus CL, Leung PS, He XS, Coppel RL, Ansari AA, Lian ZX, Gershwin ME.  Hepatology. 2011 Jul 6. Impact Factor: 11.665
  • Risk factors and prediction of long-term outcome in primary biliary cirrhosis. Ishibashi H, Komori A, Shimoda S, Ambrosini YM, Gershwin ME, Nakamura M. Intern Med. 2011;50(1):1-10.  Impact Factor: 0.936
  • Successful modulation of type 2 diabetes in db/db mice with intra-bone marrow--bone marrow transplantation plus concurrent thymic transplantation. Li M, Abraham NG, Vanella L, Zhang Y, Inaba M, Hosaka N, Hoshino S, Shi M, Ambrosini YM, Gershwin ME, Ikehara S.  J Autoimmun. 2010 Dec;35(4):414-23.  Impact Factor: 7.368
  • Murine models of autoimmune cholangitis. Ueno Y, Ambrosini YM, Moritoki Y, Ridgway WM, Gershwin ME. Curr Opin Gastroenterol. 2010 May;26(3):274-9.  Impact Factor: 0.936

General Research Interests