Author:
Zhang Nan-nan,Kang Jin-sen,Liu Shuai-Shuai,Gu Si-Meng,Song Zhi-peng,Li Feng-xiang,Wang Li-feng,Yao Lan,Li Tian,Li Lin-lin,Wang Ye,Li Xue-jun,Mao Xin-min
Abstract
AbstractFlavanomarein (FM) is a major natural compound of Coreopsis tinctoria Nutt with protective effects against diabetic nephropathy (DN). In this study, we investigated the effects of FM on epithelial-mesenchymal transition (EMT) in high glucose (HG)-stimulated human proximal tubular epithelial cells (HK-2) and the underlying mechanisms, including both direct targets and downstream signal-related proteins. The influence of FM on EMT marker proteins was evaluated via western blot. Potential target proteins of FM were searched using Discovery Studio 2017 R2. Gene Ontology (GO) analysis was conducted to enrich the proteins within the protein-protein interaction (PPI) network for biological processes. Specific binding of FM to target proteins was examined via molecular dynamics and surface plasmon resonance analyses (SPR). FM promoted the proliferation of HK-2 cells stimulated with HG and inhibited EMT through the Syk/TGF-β1/Smad signaling pathway. Spleen tyrosine kinase (Syk) was predicted to be the most likely directly interacting protein with FM. Combined therapy with a Syk inhibitor and FM presents significant potential as an effective novel therapeutic strategy for DN.
Funder
the National Natural Science Funding of China
Publisher
Springer Science and Business Media LLC
Cited by
7 articles.
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