About

George Hajishengallis, D.D.S., Ph.D. is the Thomas W. Evans Centennial Professor at the University of Pennsylvania, School of Dental Medicine. His field of interest lies at the host-microbe interface, where his work has illuminated novel mechanisms of microbial dysbiosis and inflammation, as well as inflammation resolution and tissue regeneration. He combines basic and translational research leading to innovative approaches to clinical problems, such as exemplified by periodontitis. Read more.

LATEST PUB

Hajishengallis G, Chavakis T. Inflammageing and clonal haematopoiesis interplay and their impact on human disease. (2026). Nat Rev Mol Cell Biol. 2026 Jan 6. doi: 10.1038/s41580-025-00936-y. Online ahead of print. PMID: 41491423

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latest press

The Wall Street Journal: Your Mouth Could Hold the Secrets to a Longer and Healthier Life
The eyes are a window to the soul, but the mouth may reveal just as much about a person’s health—and the diseases that shape how we age. To better understand those connections, scientists are studying how issues that start in the mouth may contribute to chronic inflammation elsewhere in the body. 

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