Rapid aging of the thymus linked to decline in free radical defenses

6 agosto 2015

A critical immune organ called the thymus shrinks rapidly with age, putting older individuals at greater risk for life-threatening infections. A new study reveals that thymus atrophy may stem from a decline in its ability to protect against DNA damage from free radicals. The damage accelerates metabolic dysfunction in the organ, progressively reducing its production of pathogen-fighting T cells.img src=»http://feeds.feedburner.com/~r/sciencedaily/~4/VStLBe5G30s» height=»1″ width=»1″ alt=»»/