Title : Silibinin enhances the repair of ultraviolet B-induced DNA damage by activating p53-dependent nucleotide excision repair mechanism in human dermal fibroblasts.

Pub. Date : 2015 Nov 24

PMID : 26447614






4 Functional Relationships(s)
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Protein Name
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1 Silibinin enhances the repair of ultraviolet B-induced DNA damage by activating p53-dependent nucleotide excision repair mechanism in human dermal fibroblasts. Silybin tumor protein p53 Homo sapiens
2 In UVB exposed fibroblasts, silibinin treatment also increased p53 and GADD45alpha expression; the key regulators of the NER pathway and DNA repair. Silybin tumor protein p53 Homo sapiens
3 Moreover, in the presence of pifithrin-alpha, an inhibitor of p53, the DNA repair efficacy of silibinin was compromised associated with a reduction in XPA and GADD45alpha transcripts. Silybin tumor protein p53 Homo sapiens
4 Together, these findings suggest that silibinin"s efficacy against UVB-induced photodamage is primarily by inhibiting NER and p53; and these findings further support silibinin"s usage as a potential inexpensive, effective, and non-toxic agent for skin cancer chemoprevention. Silybin tumor protein p53 Homo sapiens