Foundation: skin cancer is a complication of xeroderma pigmentosum; early diagnosis is important. The alkaline comet assay with ultraviolet C radiation and the western blot assay are useful for diagnosis. Objective: to evaluate the capacity of deoxyribonucleic acid repair against ultraviolet C radiation and to determine the expression of eta polymerase in Cuban patients. https://safeersappliancers.shop/product-category/undercounter-freezer/