[Photosensitization and DNA repair. Possible nosologic relationship between Xeroderma pigmentosum and Cockayne's syndrome]
- PMID: 749755
[Photosensitization and DNA repair. Possible nosologic relationship between Xeroderma pigmentosum and Cockayne's syndrome]
Abstract
UV-sensitivity is a common feature of several diseases including Xeroderma pigmentosum (XP), Cockayne syndrome (CS) and Bloom syndrome (BS). In 12 children with such diseases, cell viability and DNA repair following UV-irradiation as well as PHA transformation of lymphocytes were studied. In 5 of 6 XP cases, in 1 child with CS and in 1 of 2 children with BS, DNA repair and PHA transformation of lymphocytes showed extremely depressed values. A similar study was performed in 2 children with a rare association of XP and CS. Results suggest a relationship between these 2 diseases
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