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α-蒎烯改善幼鼠早期缺氧后行为缺陷:研究炎症机制。

Alpha-pinene ameliorate behavioral deficit induced by early postnatal hypoxia in the rat: study the inflammatory mechanism.

机构信息

Department of Basic Sciences, Faculty of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz, Iran.

Stem Cell and Transgenic Technology Research Center, Shahid Chamran University of Ahvaz, Ahvaz, Iran.

出版信息

Sci Rep. 2024 Mar 17;14(1):6416. doi: 10.1038/s41598-024-56756-1.

Abstract

Neonatal hypoxia has a negative impact on the developing brain during the sensitive period. Inflammation plays a key role in the physiological response to hypoxic stress. Considering the anti-inflammatory properties of alpha-pinene, which has received a lot of attention in recent years, in this research we focused on the impact of alpha-pinene on the behavioral responses and proinflammatory factors in rats subjected to the neonatal hypoxia. This study involved Wistar rats (7-day-old) that were divided into six experimental groups, including a control group, groups receiving different doses of alpha-pinene (5 and 10 mg/kg), a hypoxia group receiving 7% O and 93% N, 90 min duration for 7 days, and groups receiving alpha-pinene 30 min before hypoxia. All injections were done intraperitoneally. The rats were evaluated for proinflammatory factors 24 h after exposure to hypoxia (PND14) and at the end of the behavioral test (PND54). The results showed that hypoxia led to decreased motor activity, coordination, and memory, as well as increased inflammation. However, the rats that received alpha-pinene showed improved behavioral responses and reduced inflammation compared to the hypoxia group (all cases p < 0.05). This suggests that alpha-pinene may have a protective effect via anti-inflammatory properties against the negative impacts of hypoxia on the developing brain.

摘要

新生儿缺氧在敏感时期对大脑发育有负面影响。炎症在对缺氧应激的生理反应中起着关键作用。考虑到近年来备受关注的α-蒎烯具有抗炎特性,在这项研究中,我们专注于α-蒎烯对接受新生缺氧的大鼠行为反应和促炎因子的影响。这项研究涉及 Wistar 大鼠(7 日龄),它们被分为六个实验组,包括对照组、接受不同剂量α-蒎烯(5 和 10 mg/kg)的组、接受 7% O 和 93% N 的缺氧组,持续 90 分钟,持续 7 天,以及在缺氧前 30 分钟接受α-蒎烯的组。所有注射均通过腹腔注射进行。在暴露于缺氧后 24 小时(PND14)和行为测试结束时(PND54),对大鼠进行促炎因子评估。结果表明,缺氧导致运动活动、协调和记忆能力下降,以及炎症增加。然而,与缺氧组相比,接受α-蒎烯的大鼠表现出改善的行为反应和减少的炎症(所有情况 p < 0.05)。这表明α-蒎烯可能通过抗炎特性对缺氧对发育中大脑的负面影响具有保护作用。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1cd0/10944845/54c0f46a247b/41598_2024_56756_Fig1_HTML.jpg

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