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头孢曲松对慢性脑灌注不足大鼠模型氧化应激和炎症的影响

Effects of Ceftriaxone on Oxidative Stress and Inflammation in a Rat Model of Chronic Cerebral Hypoperfusion.

作者信息

Sattayakhom Apsorn, Kalarat Kosin, Rakmak Thatdao, Tapechum Sompol, Monteil Arnaud, Punsawad Chuchard, Palipoch Sarawoot, Koomhin Phanit

机构信息

School of Allied Health Sciences, Walailak University, Nakhonsithammarat 80160, Thailand.

Center of Excellence in Innovation on Essential Oil, Walailak University, Nakhonsithammarat 80160, Thailand.

出版信息

Behav Sci (Basel). 2022 Aug 14;12(8):287. doi: 10.3390/bs12080287.

Abstract

Ceftriaxone (CTX) exerts a neuroprotective effect by decreasing glutamate excitotoxicity. We further studied the underlying mechanisms and effects of CTX early post-treatment on behavior in a cerebral hypoperfusion rats. The rats' common carotid arteries (2VO) were permanently ligated. CTX was treated after ischemia. Biochemical studies were performed to assess antioxidative stress and inflammation. Behavioral and histological studies were then tested on the ninth week after vessel ligation. The 2VO rats showed learning and memory deficits as well as working memory impairments without any motor weakness. The treatment with CTX was found to attenuate white matter damage, MDA production, and interleukin 1 beta and tumor necrosis factor alpha production, mainly in the hippocampal area. Moreover, CTX treatment could increase the expression of glia and the glial glutamate transporters, and the neuronal glutamate transporter. Taken together, our data indicate the neuroprotective mechanisms of CTX involving the upregulation of glutamate transporters' expression. This increased expression contributes to a reduction in glutamate excitotoxicity and oxidative stress as well as pro-inflammatory cytokine production, thus resulting in the protection of neurons and tissue from further damage. The present study highlights the mechanism of the effect of CTX treatment and of the underlying ischemia-induced neuronal damage.

摘要

头孢曲松(CTX)通过降低谷氨酸兴奋性毒性发挥神经保护作用。我们进一步研究了CTX早期治疗对脑灌注不足大鼠行为的潜在机制和影响。将大鼠的双侧颈总动脉(2VO)永久性结扎。缺血后给予CTX治疗。进行生化研究以评估抗氧化应激和炎症。然后在血管结扎后第九周进行行为和组织学研究。2VO大鼠表现出学习和记忆缺陷以及工作记忆障碍,但无任何运动无力。发现CTX治疗可减轻白质损伤、丙二醛生成以及白细胞介素1β和肿瘤坏死因子α的生成,主要在海马区。此外,CTX治疗可增加胶质细胞和胶质谷氨酸转运体以及神经元谷氨酸转运体的表达。综上所述,我们的数据表明CTX的神经保护机制涉及谷氨酸转运体表达的上调。这种表达增加有助于减少谷氨酸兴奋性毒性、氧化应激以及促炎细胞因子的产生,从而保护神经元和组织免受进一步损伤。本研究突出了CTX治疗的作用机制以及潜在的缺血诱导神经元损伤机制。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/36de/9404883/bb133f95d539/behavsci-12-00287-g001.jpg

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