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  • Title: 1,25-dihydroxyvitamin D3: a novel agent for enhancing wound healing.
    Author: Tian XQ, Chen TC, Holick MF.
    Journal: J Cell Biochem; 1995 Sep; 59(1):53-6. PubMed ID: 8530536.
    Abstract:
    1,25-Dihydroxyvitamin D3 (1,25(OH)2D3), has diverse effects in a variety of tissues and cell types, including skin. Since 1,25(OH)2D3 affects both fibroblast and keratinocytes, we evaluated the effect of 1,25(OH)2D3 on wound healing. We investigated the effect of the topically applied 1,25(OH)2D3 or vehicle on the healing of cutaneous wounds in rats in a blinded manner. Wound areas were measured by planimetry technique. Healing was expressed as the percentage of the original wound area that was healed. 1,25(OH)2D3 at concentrations between 5 and 50 ng/day caused a dose-dependent acceleration of healing. Time course and specificity studies indicated that 1,25(OH)2D3 specifically promoted healing between 1-5 days after wounding as compared with vitamin D (0.5 microgram/day), which showed no significant improvement over control. Our results suggest that 1,25(OH)2D3 and its analogues may be a new class of compounds that could be developed to enhance wound healing.
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