کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9230612 | 1203642 | 2005 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Calcineurin Inhibitors Decrease DNA Repair and Apoptosis in Human Keratinocytes Following Ultraviolet B Irradiation
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کلمات کلیدی
موضوعات مرتبط
علوم پزشکی و سلامت
پزشکی و دندانپزشکی
امراض پوستی
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چکیده انگلیسی
The use of calcineurin inhibitors in solid organ transplantation results in an increased risk of skin cancer. We examined the effect of these drugs on DNA repair in normal human keratinocytes after ultraviolet B (UVB) irradiation. We found that both cyclosporine A (CsA) and ascomycin inhibited removal of cyclobutane pyrimidine dimers, and that they also inhibited UVB-induced apoptosis. We also observed that UVB induced nuclear localization of the transcription factor nuclear factor of activated T-cells (NFAT), and that this was blocked by CsA and ascomycin. These data suggest that the increased risk of skin cancer observed in organ-transplant patients may be as a result of not only systemic immune suppression but also the local inhibition of DNA repair and apoptosis in skin by calcineurin inhibitors. These findings may have implications for the use of topical calcineurin inhibitors in sun-exposed skin and eyes.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Investigative Dermatology - Volume 125, Issue 5, November 2005, Pages 1020-1025
Journal: Journal of Investigative Dermatology - Volume 125, Issue 5, November 2005, Pages 1020-1025
نویسندگان
Daniel B. Yarosh, Arely V. Pena, Stephanie L. Nay, Matthew T. Canning, David A. Brown,