Genetics

Study finds loss of 'youth' protein may drive aging in eye

Loss of the protein pigment epithelium-derived factor (PEDF), which protects retinal support cells, may drive age-related changes in the retina, according to a new study in mice from the National Eye Institute (NEI). The ...

Oncology & Cancer

Gene found to play role in early cancer

(Medical Xpress) -- Mutations to a gene called p53 have been linked to half of all cancers, leading to tumor growth and the spread of cancerous cells. Now, a Cornell-led study identifies for the first time the mechanisms ...

Medical research

Infusion of 3D cellular structures might repair damaged intestine

Ulcerative colitis is an inflammatory bowel disease (IBD) that causes inflammation and ulcers (sores) in the digestive tract. Ulcerative colitis affects the innermost lining of the colon and rectum. It can be a debilitating ...

Medical research

New airway stem cell found

Researchers at UCLA have identified a new stem cell that participates in the repair of the large airways of the lungs, which play a vital role in protecting the body from infectious agents and toxins in the environment.

Medical research

Stem-cell niche for 10 billion colon cells a day

Researchers at the University of Zurich have discovered the identity of the stem-cell niche of the colon. The niche comprises special cells that activate the stem cells of the adjacent intestinal epithelium and are responsible ...

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