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Treatment with avenanthramides A, B, and C (50\u00a0\u03bcm) significantly enhanced cell viability and nitric oxide production in H2O2-induced endothelial dysfunction in EA.hy926 cells. Avenanthramides notably increased the levels of antioxidant enzymes and glutathione while reducing malondialdehyde and reactive oxygen species. Moreover, avenanthramides promoted the Nrf2 translocation to nucleus, enhancing the expression of antioxidant enzymes. Furthermore, avenanthramides inhibited the protein levels of iNOS and COX-2, as well as the phosphorylation of IkB\u03b1 and translocation of p65, thereby mitigating endothelial inflammation. Molecular docking analysis revealed that avenanthramide A exhibited the strongest binding affinity for HO-1 and iNOS, which was correlated with its superior biological activity. Overall, by upregulating Nrf2\/HO-1 pathways and downregulating NF-kB pathways, avenanthramides show potential as therapeutic agents for the treatment of endothelial dysfunction.<\/jats:p>","DOI":"10.1093\/bbb\/zbae170","type":"journal-article","created":{"date-parts":[[2024,11,19]],"date-time":"2024-11-19T06:23:58Z","timestamp":1731997438000},"page":"268-274","source":"Crossref","is-referenced-by-count":8,"title":["Relative protective activities of avenanthramide A, B, and C against H2O2-induced endothelial dysfunction in EA.hy926 cells"],"prefix":"10.1093","volume":"89","author":[{"given":"Seungjoo","family":"Baik","sequence":"first","affiliation":[{"name":"Department of Food Science and Biotechnology, Chungbuk National University , Cheongju, Chungbuk ,","place":["Korea"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Seonghwa","family":"Hong","sequence":"additional","affiliation":[{"name":"Department of Food Science and Biotechnology, Chungbuk National University , 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