Our skin and mucous membranes are protected by epithelial cells. This barrier tissue performs its function thanks to specialized structures called junctions. They ensure cell cohesion and regulate ...

For Amy Engevik, an epithelial cell biologist at the Medical University of South Carolina who studies cell function in the gastrointestinal tract, protein location matters more than abundance. She ...

In pink, wild type cells expressing gamma actin. In black, knock-out cells that do not express gamma actin. The yellowish lines reveal the tortuous nature of the junctions. Our skin and mucous ...