Idiopathic pulmonary fibrosis (IPF) is a chronic disease in which healthy lung tissue is gradually replaced by scar tissue. While the early events that initiate this change are poorly understood, ...

It has long been thought that only nerve and heart cells use electric impulses to communicate, while epithelial cells -- which compose the linings of our skin, organs and body cavities -- are mute, ...

Epithelial cells line the body’s surfaces to protect against physical damage, pathogens, and dehydration. These cells play key roles in absorbing nutrients and removing waste products, as well as ...

Non-immune cells play a crucial and often underappreciated role in host defense against invading pathogens. Beyond serving as passive physical barriers, ...