数据日期 2026-10-29 · 生成时间 2026-10-29 06:03
研究问题
Multiple sclerosis (MS) is a chronic disease characterized by demyelination, neuroinflammation, and progressive neurodegeneration in the central nervous system [1,2].
方法
All experimental procedures were approved by the SUDAM experimental animal ethics committee with decision number 2022-23 dated and 24 June 2022.；Animal Information: 46 adult male Wistar rats were used in the study.；Adult male Wistar rats, aged 10–12 weeks and weighing 220 ± 20 g at the start of the study, were used.；Housing and Acclimatization: The rats were housed in standard polypropylene cages under controlled environmental conditions (temperature: 22 ± 2 °C; humidity: 55 ± 5%; 12 h light/dark cycle) following a 2-day acclimatization period prior to the start of experiments.
核心结论
In our study, the highest MDA and lowest GSH levels in hippocampal tissue were obtained in CPZ group (Group 3) and CPZ group fed a zinc-deficient diet (Group 4) (p < 0.05).；Hippocampus NOGO-A and ZnT3 Gene Ex] The highest NOGO-A gene expression in hippocampus tissue was obtained in the CPZ group fed a zinc-deficient diet (Group 4) (p < 0.05). ‖ 结论：This study demonstrates that dietary zinc levels significantly influence hippocampal oxidative stress and molecular responses in a cuprizone-induced toxic demyelination model.
局限
This research is particularly significant as it represents the first study to elucidate the relationship between dietary zinc levels and hippocampal SESN2 gene expression within a cuprizone-induced toxic demyelination model, indicating that this regulatory axis warrants further, more detailed investigation in future studies.
对本项目的价值
★★★☆☆ 干预证据决定参照标准效应量——任何抗衰干预的收益至少应对标该基线。最大样本量约 10。
全文来源
PMC JATS 全文（正文 36,830 字符，已过标题/DOI 逐字归属校验）
原文题录
- 英文标题：Effects of Zinc Deficiency and Supplementation on Hippocampal ZnT3, NOGO-A, IL-6, and SESN2 Expression and Oxidative Stress Markers in a Cuprizone-Induced Toxic Demyelination Model.
- 期刊与标识：Int J Mol Sci · PMID 42942096 · DOI 10.3390/ijms27209329**
B 级证据分级：B 级（同行评议临床前研究，主要为动物模型）
本文核心结论来自动物模型或体外细胞学，属临床前证据，不能外推至人体。「延长健康寿命」「改善功能」等表述在小鼠中的意义，与人类临床结局之间仍有距离。
关于本文的文献来源：本站依据 IMA 知识库「五刊监控·深度文献卡片」撰写，依据已获取的期刊全文（方法、样本量与结论已回到原文核对）；未能获取全文的同批条目另行标注「摘要级」，全程未做任何数值推算补全。