The endothelium is the frontline target of multiple metabolic stressors and pharmacological agents. As a consequence, endothelial cells (ECs) display highly dynamic and diverse proteome profiles. We describe here the culture of human aortic ECs from healthy and type 2 diabetic donors, the treatment with a small molecular conformation of trans-resveratrol and hesperetin (tRES+HESP), followed by proteomic analysis of whole-cell lysate. A number of 3666 proteins were presented in all the samples and thus further analyzed. We found that 179 proteins had a significant difference between diabetic ECs vs. healthy ECs, while 81 proteins had a significant change upon the treatment of tRES+HESP in diabetic ECs. Among them, 16 proteins showed a difference between diabetic ECs and healthy ECs and the difference was reversed by the tRES+HESP treatment, with the top 5 drastically altered proteins being ACVRL1, ADAM9, ITGAV, PCCB, and TGFBR2. Follow-up functional assays identified ACVRL1 and TGFBR2 as the most pronounced mediator for tRES+HESP-induced protection of angiogenesis in vitro. Our study has revealed the global changes in proteins and biological pathways in ECs from diabetic donors, which are potentially reversible by the tRES+HESP formula. Furthermore, we have identified the TGF? signaling axis as a responding mechanism in ECs treated with this formula, shedding light for future studies for deeper molecular characterization
[dataset license: CC0 1.0 Universal (CC0 1.0)]
Keywords: Endothelial cells ; type 2 diabetes ; trans-resveratrol ; proteomics ; transforming growth factor-beta ; DatasetType:Proteomics
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Principal Investigators: (in alphabetical order) |
Dr. Zhengping Yi, Integrated Biosciences; Department of Pharmaceutical Sciences, Eugene Applebaum College of Pharmacy and Health Sciences, Wayne State University, Detroit, Michigan, USA, N/A |
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