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Monotropein Promotes Angiogenesis and Inhibits Oxidative Stress-Induced Autophagy in Endothelial Progenitor Cells to Accelerate Wound Healing

Chenggui Wang, Cong Mao, Yiting Lou, Jianxiang Xu, Qingqing Wang, Zengjie Zhang, Qian Tang, Xiaolei Zhang, Huazi Xu, Yongzeng Feng

J Cell Mol Med. 2018 Mar;22(3):1583-1600.

PMID: 29278309

Abstract:

Attenuating oxidative stress-induced damage and promoting endothelial progenitor cell (EPC) differentiation are critical for ischaemic injuries. We suggested monotropein (Mtp), a bioactive constituent used in traditional Chinese medicine, can inhibit oxidative stress-induced mitochondrial dysfunction and stimulate bone marrow-derived EPC (BM-EPC) differentiation. Results showed Mtp significantly elevated migration and tube formation of BM-EPCs and prevented tert-butyl hydroperoxide (TBHP)-induced programmed cell death through apoptosis and autophagy by reducing intracellular reactive oxygen species release and restoring mitochondrial membrane potential, which may be mediated viamTOR/p70S6K/4EBP1 and AMPK phosphorylation. Moreover, Mtp accelerated wound healing in rats, as indicated by reduced healing times, decreased macrophage infiltration and increased blood vessel formation. In summary, Mtp promoted mobilization and differentiation of BM-EPCs and protected against apoptosis and autophagy by suppressing the AMPK/mTOR pathway, improving wound healing in vivo. This study revealed that Mtp is a potential therapeutic for endothelial injury-related wounds.

Chemicals Related in the Paper:

Catalog Number Product Name Structure CAS Number Price
AP5945506 Monotropein Monotropein 5945-50-6 Price
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