Gamete Immunology

Professor Hiroaki Shibahara, MD, PhD, graduated from Kochi Medical School in 1984. He started training at Hyogo College of Medicine at the Department of Obstetrics and Gynecology and received practical reproductive medicine and sperm immunology from Professors Shinzo Isojima and Koji Koyama.

In 1990, he studied at Eastern Virginia Medical School, VA, USA. Under the guidance of Professor Nancy J. Alexander and Dr. Lani J. Burkman, he researched fertilization disorders caused by anti-sperm antibodies. After returning to Japan, he received a Doctor of Medicine degree. In addition to the study of the pathogenesis of female infertility by sperm-immobilizing antibodies, he elucidated the mechanism of anti-sperm antibody production using SCID mice.

From 1996 to 1997, he studied at the University of Virginia, VA, USA, and joined the immunological contraceptive vaccine development team. He received guidance from Professor John C. Herr and Dr. Soren Naaby-Hansen. In 1998, he was awarded the American Society for Reproductive Immunology (ASRI) for his conference presentation.

In 1999, he was promoted to Jichi Medical School as Associate Professor. In 2007, he was promoted to Professor for the Center for Reproductive Medicine at Jichi Medical School, and in 2013 he returned as Professor and Chairman of the Department of Obstetrics and Gynecology at Hyogo College of Medicine. He held the 28th Annual Meeting of the Japan Society for Immunology of Reproduction (JSIR) in the same year.

Professor Shibahara was in charge of the Councilor of the International Society for Immunology of Reproduction (ISIR) and the Vice President of ASRI. He was appointed the President of JSIR from 2017 to 2020. Professor Shibahara has been playing an essentiale.His hobbies are marathon, golf, tennis and Japanese chess, named shogi. He woke up to the full marathon from the age of 49 and set a record of 2 hours, 53 minutes and 10 seconds at the Tokyo Marathon 2011 when he was 52 years old.