7-Difluoromethyl-5, 4’-Dimethoxygenistein Reverses LPC-Induced Apoptosis of HUVE-12 Cells Through Regulating Mitochondrial Apoptosis Pathway

Liu, Shiwei; Li, Lesai; Zhang, Jing; Huang, He; Yang, Shuting; Ren, Changjie; Fu, Xiaohua; Zhang, Yong

doi:10.2174/157436240901140924105409

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“…Our previous studies indicated that DFMG was more efficient compared with genistein (GEN) in reducing the risk of cardiovascular disease by inhibition of oxidative damage and/or inhibition of the TLR4 signaling pathway ( 22 , 23 ). The authors of the present study, also previously reported that DFMG could protect VECs through inhibition of the mitochondrial apoptotic pathway ( 24 , 25 ). Furthermore, the preventive effect of DFMG was more apparent compared with the therapeutic effect within apolipoprotein E −/− mice induced by a cholesterol-rich diet ( 26 ).…”

Section: Introductionsupporting

confidence: 78%

DFMG reverses proliferation and migration of vascular smooth muscle cells induced by co-culture with injured vascular endothelial cells via suppression of the TLR4-mediated signaling pathway

Zhang

Huang

et al. 2018

Mol Med Report

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7-Difluoromethoxy-5,4′-dimethoxy-genistein (DFMG) is a novel chemical compound synthesized using genistein. Previous studies have indicated that DFMG can reverse the apoptosis of vascular endothelial cells (VECs) by regulating the mitochondrial apoptosis pathway. The present study aimed to investigate the activity and molecular mechanism underlying DFMG-mediated protection of vascular smooth muscle cell (VSMCs) using a non-contact co-culture model established by using Transwell insert. Secretion of interleukin-6 (IL-6) and tumor necrosis factor-α (TNF-α) were measured by ELISA. Proliferation and migration of VSMCs were assessed using a Cell Counting kit-8 and wound healing assays, respectively. Toll-like receptor 4 (TLR4) mRNA and protein levels were detected by reverse transcription-quantitative polymerase chain reaction and western blotting analyses, respectively. In the present study, lysophosphatidylcholine (LPC) significantly increased the secretion of IL-6 and TNF-α in VECs. VECs treated with LPC markedly increased proliferation and migration of VSMCs, which were inhibited by DFMG. Transfection of either TLR4 short hairpin RNA (shRNA) or TLR4 cDNA in VECs inhibited and increased proliferation and migration of VSMCs, respectively. Furthermore, transfection of VECs with TLR4 shRNA suppressed the proliferation and migration of VSMCs induced by co-culture with injured VECs, which was further enhanced by treatment with DFMG. By contrast, transfection of VECs with TLR4 cDNA enhanced proliferation and migration of VSMCs and this effect was inhibited by treatment with DFMG. Taken together, the results of the present study demonstrated that DFMG can reverse proliferation and migration of VSMCs induced by co-culture with injured VECs via suppression of the TLR4-mediated signaling pathway.

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Section: Introductionsupporting

confidence: 78%

DFMG reverses proliferation and migration of vascular smooth muscle cells induced by co-culture with injured vascular endothelial cells via suppression of the TLR4-mediated signaling pathway

7-Difluoromethyl-5, 4’-Dimethoxygenistein Reverses LPC-Induced Apoptosis of HUVE-12 Cells Through Regulating Mitochondrial Apoptosis Pathway

Cited by 1 publication

References 0 publications

DFMG reverses proliferation and migration of vascular smooth muscle cells induced by co-culture with injured vascular endothelial cells via suppression of the TLR4-mediated signaling pathway

DFMG reverses proliferation and migration of vascular smooth muscle cells induced by co-culture with injured vascular endothelial cells via suppression of the TLR4-mediated signaling pathway

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