Abstract:
:Random-pattern skin flap transplantation is frequently applied in plastic and reconstructive surgery. However, the distal part of the flap often suffers necrosis due to ischemia. In this study, the effects of salvianolic acid B (Sal B) on flap survival were evaluated, and the underlying mechanisms were investigated. Sal B improved the survival area, reduced tissue edema, and increased the number of microvessels in skin flaps after 7 days, whereas an autophagy inhibitor (3-methyladenine) reversed the Sal B-induced increase in flap viability. In addition, Sal B stimulated angiogenesis, inhibited apoptosis, reduced oxidative stress, and upregulated autophagy in areas of ischemia. Moreover, the effects of Sal B on angiogenesis, apoptosis, and oxidative stress were reversed by autophagy inhibition. Overall, our findings suggest that Sal B has pro-angiogenesis, anti-apoptosis, and anti-oxidative stress effects by stimulating autophagy, which enhances the survival of random-pattern skin flaps.
journal_name
Front Pharmacoljournal_title
Frontiers in pharmacologyauthors
Lin J,Lin R,Li S,Wu H,Ding J,Xiang G,Li S,Wang Y,Lin D,Gao W,Kong J,Xu H,Zhou Kdoi
10.3389/fphar.2018.01178subject
Has Abstractpub_date
2018-10-23 00:00:00pages
1178issn
1663-9812journal_volume
9pub_type
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