What is the role of DNA repair failure in the etiology of cutaneous squamous cell carcinoma (cSCC)?

Updated: Jul 08, 2020
  • Author: Talib Najjar, DMD, MDS, PhD; Chief Editor: Arlen D Meyers, MD, MBA  more...
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Answer

Healthy human skin is constantly repairing UV-induced damage through DNA repair mechanisms. Patients with xeroderma pigmentosum have a deficiency in an enzyme essential for normal DNA repair and are thus prone to the development of innumerable SCCs and, less commonly, other cutaneous tumors. [15]


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