Early intervention with gastrodin reduces striatal neurotoxicity in adult rats with experimentally‑induced diabetes mellitus

Molecular Medicine Reports
Yu-Han QiYing-Ying Zou

Abstract

Glutamate‑induced excitotoxicity in the striatum has an important role in neurodegenerative diseases. It has been reported that diabetes mellitus (DM) induces excitotoxicity in striatal neurons, although the underlying mechanism remains to be fully elucidated. The present study aimed to investigate the effect of gastrodin on DM‑induced excitotoxicity in the striatal neurons of diabetic rats. Adult Sprague‑Dawley rats were divided into control, diabetic, and gastrodin intervention groups. Diabetes in the rats was induced with a single intraperitoneal injection of streptozotocin (65 mg/kg). In the gastrodin groups, the rats were gavaged with 60 or 120 mg/kg/day gastrodin for 6 weeks, 3 weeks following the induction of diabetes. Pathological alterations in the striatum were assessed using hematoxylin and eosin (H&E) staining. The protein expression levels of phosphorylated (p)‑extracellular signal‑regulated kinase (ERK)1/2, p‑mitogen‑activated protein kinase kinase (MEK)1/2, tyrosine receptor kinase B (TrKB) and brain‑derived neurotrophic factor (BDNF) in the striatal neurons were evaluated by western blotting and double immunofluorescence. Additionally, the extracellular levels of glutamate were measured by microanalysis followed...Continue Reading

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Citations

Jun 6, 2020·Khirurgiia·A V ShabuninA A Karpov

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Methods Mentioned

BETA
protein assay

Software Mentioned

ImageJ
SPSS

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