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  • Title: Proteomic Analysis of Hydroxysafflor Yellow A Against Cerebral Ischemia/Reperfusion Injury in Rats.
    Author: Xu H, Liu T, Wang W, Su N, Yang L, Yang Z, Dou F, Cui J, Fei F, Ma J, Wen A, Ding Y.
    Journal: Rejuvenation Res; 2019 Dec; 22(6):503-512. PubMed ID: 30712471.
    Abstract:
    Hydroxysafflor yellow A (HSYA), an active component from Chinese medicinal herb, has been applied to the prevention and treatment of cerebral ischemia/reperfusion injury (CIRI). To clarify the comprehensive mechanisms HSYA for stroke, we used label-free quantitative proteomic analysis to investigate the modulated proteins of rats subjected to CIRI and their alteration by HSYA. Neurological examination, infarct assessment, and biochemical assay were performed to validate the effects of HSYA, and the results indicated that HSYA played a significant role in brain protection. A total of 13 proteins were identified as overlapped proteins by label-free quantitative proteomic analysis. Gene Ontology and pathway analysis showed that these differentially expressed proteins were mainly enriched in the hypoxia-inducible factor 1 (HIF-1) signaling pathway. Furthermore, networks were constructed with respect to protein function interactions. The results suggested that seven proteins were identified as hub proteins between model and sham groups, while 25 proteins were identified as hub proteins between HSYA and model groups. In addition, the expressions of three overlapping proteins were validated by Western blot, and their levels were consistent with the results of label-free analysis. In conclusion, Eftud2, mTOR, Rab11, Ppp2r5e, and HIF-1 signaling pathways have been detected as key hub proteins and pathways in HSYA against CIRI through proteomic analysis. Our research has provided convincing explanations for the mechanism of HSYA against CIRI and the identified key proteins and pathways might provide novel therapeutics for CIRI.
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