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相关概念视频

Other Algae01:19

Other Algae

49
The group Stramenopiles include some phototrophic microorganisms. Members of this group possess flagella covered in numerous short, hairlike extensions, a feature that inspired the group's name, derived from the Latin words for "straw" and "hair." Some of the main categories of Stramenopiles include diatoms, golden algae, and brown algae.Diatoms are unicellular, photosynthetic eukaryotes, with over 200 known genera. They play a key role in the planktonic communities of both marine and...
49
Red Algae01:23

Red Algae

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Red algae, also known as rhodophytes, are primarily found in marine environments, though some species inhabit freshwater and terrestrial ecosystems. These organisms exist in both unicellular and multicellular forms, with some multicellular varieties reaching macroscopic sizes.As phototrophic organisms, red algae contain chlorophyll a; however, their chloroplasts lack chlorophyll b. Instead, they possess phycobiliproteins, which serve as major light-harvesting pigments, similar to those found in...
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Green Algae01:21

Green Algae

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Green algae, also referred to as chlorophytes, are different from red algae in having the chloroplasts containing chlorophylls a and b, which give them their distinct green hue. However, they lack phycobiliproteins, preventing them from developing the red or blue-green pigmentation seen in red algae. In terms of photosynthetic pigment composition, green algae closely resemble plants and share a close evolutionary relationship with them. Taxonomically Green algae belong to Phylum Chlorophyta in...
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Overview of Algae01:28

Overview of Algae

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The kingdom Archaeplastida encompasses red and green algae, along with land plants. Unlike other protists with chloroplasts that arose through secondary endosymbiosis, only red and green algae originated from primary endosymbiotic events. This diverse group of eukaryotic organisms contains chlorophyll and performs oxygenic photosynthesis.Algae exist in various forms, from large brown kelp in coastal waters to green scum in puddles and stains on rocks or soil. Some species are responsible for...
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相关实验视频

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Analysis of Fatty Acid Content and Composition in Microalgae
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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
PubMed
概括
此摘要是机器生成的。

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.

关键词:
在BV2微质细胞中.棕色藻类是一种色藻类.细胞因子 (cytokines) 是一种细胞因子.主要的化合物主要是化合物.神经炎症是一种神经炎症.氧化作用的损伤.

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The Barnacle Balanus improvisus as a Marine Model - Culturing and Gene Expression
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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.