Alterations of brain quantitative proteomics profiling revealed the molecular mechanisms of diosgenin against cerebral ischemia reperfusion effects
2020
Diosgenin (DIO), the starting material for the synthesis of steroidal anti-inflammatory drugs in pharmaceutical industry, has been previously demonstrated to display pharmaceutical effects against cerebral ischemic reperfusion (I/R). However, the alterations of brain proteome profiles underlying this treatment remain elusive. In the present study, the proteomics analysis of the brain tissues from I/R rats after DIO treatment was performed by an integrated TMT-based quantitative proteomic approach coupled with LC-MS/MS technology. A total of 5043 proteins (ProteomeXchange identifier: PXD016303) were identified, of which 58 common differentially expressed proteins (DEPs) were significantly dysregulated in comparison between Sham verse I/R and I/R verse DIO. The 8 validated proteins including EPG5, STAT2, CPT1A, EIF2AK2, GGCT, HIKESHI, TNFAIP8, and EMC6 by qPCR and Western blotting consistently supported the TMT-based proteomic results, which were mainly associated with autophagy and inflammation response. C...
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