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相关概念视频

Cell Motility through Blebbing01:16

Cell Motility through Blebbing

Blebs are a type of membrane protrusion formed by the internal hydrostatic pressure of the cytoplasm. Blebs are observed in several cell types, including fibroblasts, immune cells, and single-celled organisms like the amoeba. The primary function of blebs is cell locomotion and apoptosis, but they are also found during necrosis and cell division. The life cycle of a bleb comprises an initiation phase followed by the expansion and retraction phases.
Blebbing Through the Matrix
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相关实验视频

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Development of a Backbone Cyclic Peptide Library as Potential Antiparasitic Therapeutics Using Microwave Irradiation
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来自Lycii皮层的三种新型环.

Pei-Pei Liang1, Ya-Di Duan1, Meng-Nan Zhou1

  • 1School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 102488, People's Republic of China.

Fitoterapia
|July 30, 2025
PubMed
概括

从Lycii Cortex中分离出10种环,其中包括3种新化合物. 化合物7-9通过抑制IL-6和TNF-α等关键炎症标志物,显示出抗炎作用.

关键词:
它具有抗炎活性,具有抗炎活性.化学成分 化学成分环类酸 是一种环类酸.在Lycii的皮质上.

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科学领域:

  • 自然产品化学 自然产品化学
  • 药理学 药理学是指药理学的学科.

背景情况:

  • Lycii Cortex是一种传统的药用植物.
  • 环是一种具有多种生物活性的自然产品类.

研究的目的:

  • 从Lycii皮层中分离和识别环.
  • 为了研究选择的环酸的抗炎活性和机制.

主要方法:

  • 使用70%乙醇提取和分离化合物.
  • 使用物理,化学和光谱方法进行识别.
  • 在LPS诱导的RAW264.7细胞上的体外抗炎试验.

主要成果:

  • 确定了10种环,包括3种新的环 (1-3) 和一种新的天然产品 (4).
  • 化合物5和6首次从这个植物中分离出来.
  • 化合物7-9通过抑制互白素-6 (IL-6) 和瘤坏死因子-α (TNF-α) mRNA表达而表现出抗炎活性.
  • 这些化合物还减少了氧化 (NO),IL-6和TNF-α分泌.

结论:

  • 莱西皮层是环的丰富来源.
  • 化合物7-9具有显著的抗炎性质.
  • 抗炎机制涉及IL-6和TNF-α通路的抑制.