Title : SirT1 confers hypoxia-induced radioresistance via the modulation of c-Myc stabilization on hepatoma cells.

Pub. Date : 2012

PMID : 22302044






3 Functional Relationships(s)
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1 It was found that the administration with resveratrol, a putative SirT1 activator, enhanced the resistance of HepG2 cells against radiation-induced DNA damage of MN formation under hypoxia condition; while nicotinamide, a well-known SirT1 inhibitor, sensitized this radiation damage. Niacinamide sirtuin 1 Homo sapiens
2 It was found that the administration with resveratrol, a putative SirT1 activator, enhanced the resistance of HepG2 cells against radiation-induced DNA damage of MN formation under hypoxia condition; while nicotinamide, a well-known SirT1 inhibitor, sensitized this radiation damage. Niacinamide sirtuin 1 Homo sapiens
3 In contrast, nicotinamide attenuated c-Myc protein degradation induced by radiation under hypoxia through inhibition of SirT1 deacetylase activity. Niacinamide sirtuin 1 Homo sapiens