氧化应激
神经保护
药理学
抗氧化剂
神经退行性变
一氧化氮
神经毒素
乙酰胆碱酯酶
化学
生物化学
内分泌学
医学
内科学
酶
疾病
作者
Di Shunan,Miao Yu,Guan Hong-quan,Yanmin Zhou
标识
DOI:10.1016/j.biopha.2021.111369
摘要
Alzheimer's disease (AD) is the most progressive form of neurodegenerative disease, which severely impairs cognitive function. Oxidative stress is identified to contribute to the mechanisms responsible for the pathogenesis of such neurodegenerative diseases. Aluminum is a potent neurotoxin for inducing oxidative stress associated with neurodegenerative diseases. The treatment for AD is limited; hence more treatment options are the need of the day. Betalain is known for its multitude of medicinal assets, including anti-inflammatory activity. Hence, this study was intended to investigate the possible protective effect of betalain against aluminum chloride (AlCl3) induced AD on Sprague Dawley (SD) rats. AlCl3 (100 mg/kg) was administrated orally to induce the AD in SD rats. The rats were supplemented with low and high betalain doses (10 mg/kg and 20 mg/kg) for four weeks. At the end of the experiment, the rats were subjected to behavioral examination and sacrificed to study the biochemical and histological parameters. The results showed attenuation of memory and learning capacity, suppression of lipid oxidation (MDA) through regulation of antioxidant content (SOD, CAT, and GSH) and inhibition of lactate dehydrogenase (LDH), nitric oxide (NO), acetylcholinesterase (AChE), and transmembrane protein (Na+K+ATPase) activity. In addition, the NF-ƙB associated mRNA expression (TNF-α IL-6, Il-1β, iNOS, COX-2) was decreased, as evidenced in histopathological results. The present investigation established that the betalain treatment ameliorated the AlCl3 induced AD by modulating NF-κB pathway activation.
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