Isotretinoin-induced Effects of Mast Cells on Wound Healing

October 2010 | Volume 9 | Issue 10 | Original Article | 1207 | Copyright © 2010

Gulsum Gencoglan MD, Murat Tosun PhD, Oner Gencoglan MD


Wound healing is a complex process, and the role of retinoids in wounds is confusing and controversial. In this study, the authors aimed to evaluate the role of oral isotretinoin on mast cells, collagen production and remodeling in the wound healing process. In the first group 2 mg/kg/day isotretinoin dissolved in sunflower oil were administrated for 28 days. In the second group, only sunflower oil was administered. At the end of first week, four incisions were made on rats’ back. In the seventh (group 1a and 2a), fourteenth (group 1b and 2b) and twenty-first (group 1c and 2c) days, the skin biopsies were taken from around of the incision areas from both groups. The authors revealed that isotretinoin administration permanently accelerates mast cell accumulation parallel to days in the wound area. The histological features of wound healing in isotretinoin administered rats were faster and better than the group 2.

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