数据日期 2026-10-29 · 生成时间 2026-10-29 06:03
研究问题
The present study specifically focused on investigating whether safranal modulates peripheral trace metal levels (iron, copper, zinc) combined with cerebral total antioxidant capacity in the early phases of AD-like model.
方法
This study was approved by the Gazi University Animal Experiments Local Ethics Committee on 25 September 2024 (Decision No: G.Ü.ET-24.089), and all procedures were performed in accordance with institutional and national guidelines for the care and use of laboratory animals.；Animals and Experimental Groups] Thirty-five adult male Sprague–Dawley rats (250–300 g) were housed in standard polycarbonate cages under controlled environmental conditions (12 h light/12 h dark cycle, 22 ± 2 °C, 50–60% humidity) with ad libitum access to commercial rodent chow and sterile tap water.；Animals were acclimated for 7 days before experimentation.；Rats were randomly assigned to the experimental groups by an independent laboratory personnel who was completely blinded to the study design, hypotheses, and intended treatment groups, thereby ensuring strictly unbiased allocation.
核心结论
For peripheral line crossings, the Two-Way Repeated Measures ANOVA demonstrated a significant Time × Group interaction [F(4, 30) = 3.093, p = 0.0303], demonstrating that the developmental trajectory of horizontal locomotion over time was strictly group-dependent.；A parallel pattern was confirmed for central line crossings, which also demonstrated a significant Time × Group interaction [F(4, 30) = 3.175, p = 0.0274]. ‖ 结论：Collectively, the present results suggest that safranal may represent a promising natural compound for mitigating AD-related neurodegenerative processes.
局限
The absence of histological alterations observed across experimental groups represents a limitation inherent to the early, prodromal phase of the icv-STZ model captured within our 4-week timeframe.；Moreover, the lack of a standalone, safranal-only control series in healthy cells represents an in vitro limitation, restricting the definitive differentiation between a failure of the therapeutic rescue window and compound cytotoxicity at elevated doses.；Future mechanistic studies tracking central iron homeostasis, advanced enzymatic antioxidant signatures, and molecular transport receptors are warranted to validate these preliminary findings regarding neurodegeneration, employing prolonged…
对本项目的价值
★★☆☆☆ 脑老化是最大未满足需求，也是终点最难量化的领域；biomarker 与认知读数选择最敏感。最大样本量约 7；设计 定性研究。
全文来源
PMC JATS 全文（正文 40,221 字符，已过标题/DOI 逐字归属校验）
原文题录
- 英文标题：Safranal, a Natural Neuroprotective Compound, Modulates Plasma Iron Levels, Improves Behavioral Performance, and Demonstrates Dose-Specific Cytoprotection in Alzheimer's Disease Models.
- 期刊与标识：Int J Mol Sci · PMID 42942158 · DOI 10.3390/ijms27209392**
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。