Department of Chemistry, Islamia College University, Peshawar, Pakistan.
Department of Biochemistry Shaheed Benazir, Bhutto Women University, Peshawar, Pakistan.
J Neuroimmune Pharmacol. 2023 Jun;18(1-2):183-194. doi: 10.1007/s11481-023-10067-w. Epub 2023 Jun 1.
Alzheimer's disease (AD) is globally recognized as a prominent cause of dementia for which efficient treatment is still lacking. New candidate compounds that are biologically potent are regularly tested. We, therefore, hypothesized to study the neuroprotective potential of Zinc Ortho Methyl Carbonodithioate (thereafter called ZOMEC) against Scopolamine (SCOP) induced Alzheimer's disease (AD) model using adult albino mice. We post-administered ZOMEC (30 mg/Kg) into two group of mice for three weeks on daily basis that received either 0.9% saline or SCOP (1 mg/Kg) for initial two weeks. The other two groups of mice received 0.9% saline and SCOP (1 mg/Kg) respectively. After memory related behavioral analysis the brain homogenates were evaluated for the antioxidant potential of ZOMEC and multiple protein markers were examined through western blotting. Our results provide enough evidences that ZOMEC decrease oxidative stress by increasing catalase (CAT) and glutathione S transferase (GST) and decreasing the lipid peroxidation (LPO). The SIRT1 and pre and post synaptic marker proteins, synaptophysin (SYP) as well as post synaptic density protein (PSD-95) expression were also enhanced upon ZOMEC treatment. Furthermore, memory impairment was rescued and ZOMEC appreciably abrogated the Aβ accumulation, BACE1 expression C and the p-JNK pathway. The inflammatory protein markers, NF-kβ and IL-1β in ZOMEC treated mice were also comparable with control group. The predicted interaction of ZOMEC with SIRT1 was further confirmed by molecular docking. These findings thus provide initial reports on efficacy of ZOMEC in SCOP induced AD model.
阿尔茨海默病(AD)是全球公认的导致痴呆的主要原因,但目前仍缺乏有效的治疗方法。经常测试具有生物活性的新候选化合物。因此,我们假设研究锌正甲基碳二硫代氨基甲酸酯(简称 ZOMEC)对东莨菪碱(SCOP)诱导的阿尔茨海默病(AD)模型的神经保护潜力,使用成年白化小鼠。我们将 ZOMEC(30mg/Kg)每天分两次给予两组小鼠,连续三周,一组给予 0.9%生理盐水,另一组给予 SCOP(1mg/Kg),共两周。另外两组小鼠分别给予 0.9%生理盐水和 SCOP(1mg/Kg)。在进行与记忆相关的行为分析后,评估 ZOMEC 的抗氧化潜力,并通过 Western blot 检查多种蛋白质标志物。我们的结果提供了足够的证据,表明 ZOMEC 通过增加过氧化氢酶(CAT)和谷胱甘肽 S 转移酶(GST)和减少脂质过氧化(LPO)来降低氧化应激。SIRT1 和突触前和突触后标记蛋白,突触小体蛋白(SYP)以及突触后密度蛋白(PSD-95)的表达也在 ZOMEC 治疗后增强。此外,记忆障碍得到了挽救,ZOMEC 明显减少了 Aβ 积累、BACE1 表达 C 和 p-JNK 通路。ZOMEC 处理小鼠的炎症蛋白标志物 NF-kβ和 IL-1β与对照组也相当。通过分子对接进一步证实了 ZOMEC 与 SIRT1 的预测相互作用。这些发现因此提供了 ZOMEC 在 SCOP 诱导的 AD 模型中的疗效的初步报告。
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