**Meet the editor**

Hiroshi Sakagami received his PhD degree from the Faculty of Pharmaceutical Sciences, University of Tokyo (1980). He worked for 17 years in the Department of Biochemistry, School of Medicine, Showa University, Tokyo, with a 3-year postdoctoral stay in the laboratory of Dr. Aaron Alexander-Bloch, RPMI, Buffalo, NY. He became a professor of Pharmacology, Meikai University

School of Dentistry (1997). He is also the chair of MPL research center and director of the board of trustees (Meikai University and Asahi University). His research interest includes the biological function of lignin-carbohydrate complex, application of plant extracts to oral diseases, exploration of anticancer drugs that have least cytotoxicity against normal oral keratinocyte, and creation of new field of research by collaboration with investigators having different backgrounds.
