Cynthia Sears

Infectious disease researcher, Johns Hopkins University

Appears in 1 story

Stories

Scientists identify claudin-4 as receptor for colon cancer-linked bacterial toxin

New Capabilities

Continuing research on gut bacteria and cancer

In 2009, researchers showed that a toxin made by Bacteroides fragilis causes colon tumors in mice. For nearly two decades, no one knew which protein on the surface of colon cells the toxin grabbed to do it.

Updated 1 hour ago