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Genes in skin wound healing: microRNAs 1

Part 1 of 2
Published on October 7, 2014   33 min

A selection of talks on Genetics & Epigenetics

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0:00
Hello, I'm Chandan Sen, a Professor at The Ohio State University Wexner Medical Center. I direct the Comprehensive Wound Center at Ohio State, and also direct the Center for Regenerative Medicine and Cell-Based Therapies.
0:18
Today I'm going to address the overall topic of genes in skin wound healing. And in particular, I will be addressing the significance of non-coding genes, and the microRNA component of non-coding genes. To a common person, when we talk about wounds, the first thing that comes to mind are nicks and cuts, lacerations that can be caused by some traumatic injury or accident, abrasions. But if these types of wounds happen to a healthy human we expect closure in a reasonable time frame. And if this is happening in an adult this type of closure of wound usually is a associated with a scar response. As long as the skin is kept cleaned and the wound is kept cleaned these types of wounds are not expected to be complicated in a healthy human.
1:14
There are various ways of closing a wound. It could be primary intention, where the wound is closed with suture material. It could be secondary intention, in which the wound is left open and closes naturally without the use of any suture material or such. Finally, it could be tertiary intention where the wound was left open to heal by secondary intention, and when it did not, another mechanism of closing it was adopted. In this case it must be made sure that the wound is clean prior to it being closed.

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