Cell and molecular mechanisms of keratinocyte function stimulated by insulin during wound healing.

BMC Cell Biol · 2009 · PMC2631465 · PMID 19134226

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highly significantno p-value reported

A concentration as low as 10 -8 M insulin was able to increase keratinocyte migration, which was highly significant after 48 hr of treatment.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.