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Scientists have uncovered a crucial DNA repair mechanism that protects against UVB-induced skin damage. The research demonstrates how the And-1 protein facilitates nucleotide excision repair, potentially opening new avenues for skin cancer prevention strategies.

Breakthrough in Understanding DNA Repair Mechanisms

Researchers have identified a critical mechanism through which cells repair UVB-induced DNA damage, according to a recent study published in Nature Communications. The investigation reveals how the protein And-1 coordinates with polymerase δ to regulate nucleotide excision repair (NER), the primary pathway for removing UV-induced DNA lesions. This discovery provides significant insights into the molecular processes that prevent UVB-induced skin tumorigenesis, sources indicate.