Quercetin alleviates depressive-like behavior by modulating acetyl-H3K9 mediated ferroptosis pathway in hypothalamus of perimenopausal depression rat model
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引用次数: 0
Abstract
Perimenopausal depression is a subtype of depression and is prevalent among perimenopausal women, which has brought a heavy burden to family and society. The pathogenesis of perimenopausal depression is still unclear, which affects the prevention and treatment of perimenopausal depression to a certain extent. Quercetin is a flavonoid compound, and has estrogenic activity and pharmacological effects such as antioxidant, anti-inflammatory, and neuroprotective effects. This study investigated whether quercetin improved perimenopausal depression-like behaviors and potential mechanism. The results demonstrated that quercetin could alleviate the depression-like behaviors in perimenopausal depression rat model, inhibit astrocyte activation, improve ferroptosis-associated mitochondrial damage (such as mitochondrial pyknosis and mitochondrial cristae reduction) in hypothalamus, increase the expressions of histone 3 lysine 9 acetylation (acetyl-H3K9), ferroptosis-associated protein including glutathione peroxidase 4 (GPX4) and Xc- antiporter (SLC7A11), and reduce the expressions of endoplasmic reticulum stress-related proteins including inositol-requiring enzyme 1 (IRE1α), phosphorylated IRE1α (p-IRE1α), X-box binding protein 1 (XBP1) and glucose-regulated protein 78 (GRP78) in hypothalamus of perimenopausal depression rat model. Furtherly, in vitro study indicated that quercetin could restore histone acetylase (HAT)/histone deacetylase (HDAC) homeostasis through binding to estrogen receptors and increase the expression of acetyl-H3K9, inhibiting ferroptosis through IRE1α/XBP1 pathway in astrocytes of hypothalamus. Our findings demonstrated that acetyl-H3K9 is a crucial target in development of perimenopausal depression, and quercetin exhibited antidepressant effects through modulating acetyl-H3K9 mediated ferroptosis in perimenopausal depression. Quercetin might be the prevention and adjuvant treatment strategy of perimenopausal depression.
期刊介绍:
Biomedicine & Pharmacotherapy stands as a multidisciplinary journal, presenting a spectrum of original research reports, reviews, and communications in the realms of clinical and basic medicine, as well as pharmacology. The journal spans various fields, including Cancer, Nutriceutics, Neurodegenerative, Cardiac, and Infectious Diseases.