Time (and PPAR-beta/delta) Heals All Wounds

Monday, March 23, 2009 - 09:29 in Health & Medicine

Mammalian skin requires constant maintenance, but how do skin cells know when to proliferate and at what rate? Scientists reveal that skin fibroblasts use a protein called PPAR²/´ to make sure overlying epithelial cells don't proliferate too quickly. Their results highlight how communications between different cell types are critical to maintain the skin as a barrier against the outside world.

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