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相关概念视频

Inflammatory Response01:28

Inflammatory Response

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An inflammatory response is a localized, nonspecific immune reaction that occurs when a tissue is injured. It is characterized by redness, swelling, heat, and pain, which are commonly called the cardinal signs and symptoms of inflammation. Inflammation can sometimes result in a loss of function.
Inflammation can be triggered by various stimuli, such as impact, abrasion, chemical irritation, infections, and extreme hot or cold temperatures. These can damage cells and connective tissue fibers,...
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Inflammatory Response I: Vascular and Cellular01:30

Inflammatory Response I: Vascular and Cellular

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The inflammatory response is the body's defense against infection, injury, or irritation from bacteria, trauma, toxins, or heat. Inflammation helps locate and destroy pathogens and remove damaged tissue elements to heal the body. During this initial phase, fluid, blood products, and nutrients migrate to the injured area, resulting in redness, heat, swelling, ache, and loss of function. Moreover, signs of systemic inflammation include fever, increased WBC count, malaise, anorexia, nausea,...
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Inflammation01:38

Inflammation

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Overview
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Adherens Junctions01:24

Adherens Junctions

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Strong contact points between adjacent cells anchor them to each other, forming tissues. Such anchoring junctions are of two types –  adherens junctions and desmosomes. Adherens junctions are abundant in tissues such as  epithelium and endothelium, forming a continuous zone of adhesion called the adhesion belt. In other tissues, such as  heart muscle, they appear as clusters, linking the cells to produce coordinated heart muscle contraction.
Adherens Junctions are Dynamic
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Inflammatory Response II: Inflammatory Exudate and Tissue Repair01:24

Inflammatory Response II: Inflammatory Exudate and Tissue Repair

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The immune system's inflammatory response destroys the invading pathogen, permitting the tissue to heal. The changes during the cellular and vascular stages allow exudate formation at the site of inflammation. The inflammatory exudate released from the wound has high protein content and a specific gravity above 1.020.
The typical wound exudate is odorless, transparent, straw-colored, thin, and watery. Exudate, however, can differ depending on the state of wound healing. Likewise, the...
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Surface Membrane Barriers01:18

Surface Membrane Barriers

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The skin and mucous membranes serve as the primary line of defense against pathogens by providing both physical and chemical protection. These barriers are essential in preventing the entry and establishment of microbes, thereby maintaining the integrity of the host.
The outer layer of the skin, the epidermis, is a robust barrier comprising layers of closely packed keratinized cells. This dense arrangement prevents microbes from penetrating the body. The periodic shedding of epidermal cells...
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相关实验视频

Updated: Nov 1, 2025

Analyzing Beneficial Effects of Nutritional Supplements on Intestinal Epithelial Barrier Functions During Experimental Colitis
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屏障组织的炎症适应

Rachel E Niec1, Alexander Y Rudensky2, Elaine Fuchs3

  • 1Robin Chemers Neustein Laboratory of Mammalian Cell Biology and Development, Howard Hughes Medical Institute, The Rockefeller University, New York, NY 10065, USA; Department of Gastroenterology and Hepatology, Weill Cornell Medicine, Cornell University, New York, NY 10065, USA.

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概括

皮质屏障组织记住炎症,改善未来的反应. 然而,这种免疫记忆可以加剧疾病,

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Author Spotlight: Studying the Epithelial Effects of Intestinal Inflammation In Vitro on Established Murine Colonoids
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相关实验视频

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科学领域:

  • 免疫学
  • 组织修复
  • 蜂通信

背景情况:

  • 表面上皮质形成了对外部威胁的关键障碍.
  • 皮质细胞和免疫细胞协作管理感染并修复障碍突破后的损伤.
  • 炎症事件可能导致持续的组织变化,影响随后的免疫反应.

研究的目的:

  • 检查屏障组织中的细胞通信网络.
  • 探索与组织干细胞结合的组织居民和招募的免疫细胞.
  • 了解组织适应环境压力和炎症的机制.

主要方法:

  • 屏障组织中细胞通信的文献综述.
  • 免疫细胞相互作用和组织干细胞作用的分析.
  • 检查炎症记忆及其对组织适应的影响.

主要成果:

  • 炎症经历会产生组织记忆, 增强未来的保护性反应.
  • 功能障碍的炎症记忆可以加剧疾病状态.
  • 复杂的细胞网络包括上皮细胞,免疫细胞和干细胞驱动组织适应.

结论:

  • 组织记忆是一把双刃剑, 对于防御至关重要,
  • 了解这些细胞网络是治疗炎症疾病的关键.
  • 针对这些沟通通路可能为组织修复和疾病控制提供治疗策略.