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Dihydromyricetin (DHM) is a 2,3\u2010dihydroflavonoid with various biological properties, such as anti\u2010inflammation and anti\u2010oxidative stress. The purpose of this study was to investigate the effect of DHM on Sev\u2010induced neuronal dysfunction. HT22 cells were incubated with 10, 20 and 30\u2009\u03bcM of DHM for 24\u2009h, and then stimulated with 4% Sev for 6\u2009h. The effects and mechanism of DHM on inflammation, oxidative stress and mitochondrial dysfunction were explored in Sev\u2010induced HT22 cells by Cell Counting Kit\u20108, flow cytometry, enzyme\u2010linked immunosorbent assay, reverse transcription\u2010quantitative polymerase chain reaction, colorimetric detections, detection of the level of reactive oxygen species (ROS), mitochondrial ROS and mitochondrial membrane potential (MMP), immunofluorescence and western blotting. Our results showed that DHM increased Sev\u2010induced cell viability of HT22 cells. Pretreatment with DHM attenuated apoptosis, inflammation, oxidative stress and mitochondrial dysfunction in Sev\u2010elicited HT22 cells by remedying the abnormality of the indicators involved in these progresses, including apoptosis rate, the cleaved\u2010caspase 3 expression, as well as the level of tumour necrosis factor \u03b1, interleukin (IL)\u20101\u03b2, IL\u20106, malondialdehyde, superoxide dismutase, catalase, ROS, mitochondrial ROS and MMP. Mechanically, pretreatment with DHM restored the Sev\u2010induced the expression of SIRT1\/FOXO3a pathway in HT22 cells. Blocking of SIRT1 counteracted the mitigatory effect of DHM on apoptosis, inflammation, oxidative stress and mitochondrial dysfunction in Sev\u2010elicited HT22 cells. Collectively, pretreatment with DHM improved inflammation, oxidative stress and mitochondrial dysfunction via SIRT1\/FOXO3a pathway in Sev\u2010induced HT22 cells.<\/jats:p>","DOI":"10.1111\/1440-1681.13912","type":"journal-article","created":{"date-parts":[[2024,8,6]],"date-time":"2024-08-06T01:25:40Z","timestamp":1722907540000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Dihydromyricetin protects sevoflurane\u2010induced mitochondrial dysfunction in <scp>HT22<\/scp> hippocampal cells"],"prefix":"10.1111","volume":"51","author":[{"given":"Xinyan","family":"Wang","sequence":"first","affiliation":[{"name":"Department of Anesthesiology The Second Affiliated Hospital of Dalian Medical University  Dalian China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Haoyi","family":"Li","sequence":"additional","affiliation":[{"name":"Department of Anesthesiology The Second Affiliated Hospital of Dalian Medical University  Dalian China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dongchao","family":"Qu","sequence":"additional","affiliation":[{"name":"Department of Anesthesiology The Second Affiliated Hospital of Dalian Medical University  Dalian 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