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Updated: Jul 27, 2025

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Analysis of Fatty Acid Content and Composition in Microalgae
Published on: October 1, 2013
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马来西亚棕色宏观藻类
Kogilavani Subermaniam1,2, Sze Yuen Lew1, Yoon Yen Yow3
1Department of Anatomy, Faculty of Medicine, Universiti Malaya, 50603 Kuala Lumpur, Malaysia.
Iranian journal of basic medical sciences
|June 5, 2023
概括
马来西亚帕迪纳南方提取物 (PAEE) 通过抑制活性氧物种 (ROS) 和促炎细胞因子,降低了微质细胞中的神经炎症. 这表明P. australis是神经退行性疾病的潜在治疗方法.
科学领域:
- 神经科学是一个神经科学.
- 药理学 药理学是指药理学的学科.
- 海洋生物学 海洋生物学
背景情况:
- 神经炎症和微质激活是中枢神经系统疾病的关键病理特征.
- 过多的活性氧物种 (ROS) 和促炎性细胞因子会在慢性微质激活过程中加剧神经元损伤.
- 棕色藻 (Padina australis) 具有抗神经炎症的特性,但其机制尚不清楚.
研究的目的:
- 调查马来西亚帕迪纳南方乙醇提取物 (PAEE) 在减轻脂多糖 (LPS) 诱导的神经炎症方面的潜力.
- 阐明P. australis在BV2微质细胞中的抗神经炎症作用的机制.
主要方法:
- 用脂聚糖 (LPS) 刺激了BV2微质细胞.
- 评估了不同度的P. australis乙醇提取物 (PAEE) 对细胞活力,氧化 (NO),前列腺素E2 (PGE2),细胞内ROS和炎症标志物 (iNOS,COX-2,TNF-α,IL-6) 的影响.
- 液态染色体质谱法 (LC-MS) 用于识别PAEE中的化合物.
主要成果:
- 在LPS刺激下,增加了NO,PGE2,细胞内ROS,iNOS,COX-2,TNF-α和IL-6水平,同时降低了细胞活力.
- 根据剂量,PAEE治疗 (0.5-2.0 mg/ml) 逆转了这些LPS诱导的效应.
- 在LC-MS分析中,在PAEE中发现了甲基α-eleostearate,乙基α-eleostearate,尼亚辛胺,胺和酸.
结论:
- 在BV2微质细胞中,PAEE有效抑制LPS诱导的神经炎症.
- 抗神经炎症作用归因于细胞内ROS和促炎介质的减少.
- 在神经炎症和神经退行性疾病中,Padina australis显示出治疗潜力.
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