2002 Ph.D. Department of Oral and Maxillofacial Radiology, Graduate school of Medicine and Dentistry, Okayama University, Japan Silencing of O6-methylguanine-DNA methyltransferase gene by methylation of an upstream promoter increases the sensitivity of oral cancer cells to alkylating agents used in their chemotherapy 1999 D.D.S. Okayama University of Dental School, Okayama, Japan

Oral and Maxillofacial Radiology, Medicine and Dentistry, chemotherapy.