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, a researcher who transformed the understanding of how the immune system detects infections, which paved the way for therapies for a wide range of diseases, received the 2019 ,���ٳ���� highest honor.

The prize is awarded annually to an American biomedical researcher who has made significant, progressive contributions to medicine. The award consists of a specially commissioned medal, a $50,000 honorarium and an invitation to present the keynote lecture during the University’s annual campus-wide showcase of scientific research. 

“It is difficult to overstate the impact that Ruslan’s work has had in how we perceive the role of the immune system in health and disease,” said , Pitt’s senior vice chancellor for the health sciences and John and Gertrude Petersen Dean of Medicine. “We are beginning to recognize that the immune system is intimately linked to almost every human disease, and his discoveries have contributed significantly toward that understanding.” 

Medzhitov, Sterling Professor of Immunology at  and a  investigator, said, “I feel extremely honored to receive this prestigious award. None of this would be possible without my incredible mentors and trainees who I have been fortunate to work with.” 

In 1997, Medzhitov, together with his mentor at Yale, the late Charles A. Janeway Jr.. discovered a protein on the cell’s surface called Toll-like receptor 4 (TLR4) and demonstrated its role in activation of an immune response. This discovery proved to be the “missing link” of molecular pathways that connect the body’s recognition of a pathogen to its defensive response. 

He also is credited with many fundamental discoveries concerning the broader importance of Toll-like receptors in controlling adaptive immunity, infections, chronic inflammation and tumor growth. Following these advances, drugs are actively being developed to target these Toll-like receptors in hopes of treating cancer, sepsis and inflammatory disease, among others. 

Medzhitov accepted the award during , the region’s preeminent showcase of the latest research in science, engineering, medicine and computation, held from Oct. 17 to 19 in Pittsburgh, delivering the Dickson Prize in Medicine Lecture at the opening plenary session.  

Medzhitov was born in Tashkent, Uzbekistan, and earned a BS at Tashkent State University before completing a PhD in biochemistry at Moscow University in 1990. He performed his postdoctoral studies at Yale University Medical School. 

Medzhitov has been elected to the National Academy of Sciences, the National Academy of Medicine, and the Russian Academy of Science and is a fellow of the American Association for the Advancement of Science. In 2010, he received the prestigious Lewis S. Rosenstiel Award for Distinguished Work in Basic Medical Research for elucidating the mechanisms of innate immunity. His numerous other awards include the 2011 Shaw Prize in Life Science and Medicine and the Vilcek Foundation, Lurie and Else Kröner-Fresenius-Stiftung Prizes, all in 2013.