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Cells of the Adaptive Immune Response01:23

Cells of the Adaptive Immune Response

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The T and B lymphocytes of the adaptive immune system develop from common lymphoid progenitor cells in the bone marrow. These progenitors give rise to precursors that eventually develop into both T and B lymphocytes. As these precursors mature, they gain the ability to detect and respond to foreign antigens in the body, a process known as immunocompetence. Additionally, these precursors acquire self-tolerance, a process that ensures they do not react to self-antigens. This intricate system...
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Cells of the Innate Immune Response01:28

Cells of the Innate Immune Response

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The innate immune response is an immediate and non-specific response against pathogens, acting swiftly to prevent the spread of infections. The primary cells involved in this response are phagocytes and natural killer (NK) cells.
Phagocytes
Phagocytes police the peripheral tissues by removing cellular debris and responding to the invasion of foreign substances or pathogens. Many phagocytes attack and remove microorganisms even before lymphocytes detect them. The human body has two general...
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Cell-mediated Immune Responses

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Overview
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Immune Response Against Viral Pathogens

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The immune system's response to viral infections is a complex and coordinated process involving natural killer (NK) cells, T cell-mediated responses, and antibody-mediated responses.
NK Cells
NK cells are a crucial part of our innate immune system, acting as the first line of defense against viral infections. These cells can recognize and kill infected cells without prior exposure to the virus, effectively slowing down the spread of infection. Additionally, NK cells produce proinflammatory...
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Cytotoxic T Cells-mediated Immune Response

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Cytotoxic T cells are a vital component of the immune system. They have the remarkable ability to identify and target antigens on infected or abnormal cells. These antigens often originate from intracellular pathogens such as viruses or abnormal proteins cancer cells produce.
Immunological surveillance is the ability of immune cells to monitor and eliminate infected cells with intracellular pathogens, neoplastically transformed cells, and cells with non-self antigens. Cytotoxic T cells and NK...
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Immunological Memory01:23

Immunological Memory

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Immunological memory, a pivotal pillar of the adaptive immune system, is responsible for the body's ability to remember and respond more swiftly and effectively to previously encountered pathogens. This remarkable feature is what makes vaccines so effective in preventing diseases.
What is Immunological Memory?
Immunological memory is an integral function of the immune system that allows it to recognize and react more rapidly and effectively to pathogens previously encountered. This feature...
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相关实验视频

Updated: Oct 14, 2025

Preparation of Single-cell Suspensions for Cytofluorimetric Analysis from Different Mouse Skin Regions
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Preparation of Single-cell Suspensions for Cytofluorimetric Analysis from Different Mouse Skin Regions

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岛内皮层神经元编码并检索特定的免疫反应

Tamar Koren1, Re'ee Yifa1, Mariam Amer1

  • 1Department of Immunology, Rappaport Faculty of Medicine, Technion - Israel Institute of Technology, Haifa, Israel; Department of Neuroscience, Rappaport Faculty of Medicine, Technion - Israel Institute of Technology, Haifa, Israel.

Cell
|November 9, 2021
PubMed
概括
此摘要是机器生成的。

大脑

关键词:
一个 engram炎症发生岛内皮层记忆力神经元心理问题

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A Guide to In vivo Single-unit Recording from Optogenetically Identified Cortical Inhibitory Interneurons
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Imaging the Human Immunological Synapse
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Imaging the Human Immunological Synapse

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相关实验视频

Last Updated: Oct 14, 2025

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A Guide to In vivo Single-unit Recording from Optogenetically Identified Cortical Inhibitory Interneurons
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Imaging the Human Immunological Synapse
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Imaging the Human Immunological Synapse

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科学领域:

  • 神经科学
  • 免疫学
  • 神经免疫学

背景情况:

  • 大脑调节周围免疫力,但它对免疫状态的表现是未知的.
  • 了解脑免疫相互作用对于治疗炎症疾病至关重要.

研究的目的:

  • 研究大脑是否存储与免疫相关的信息.
  • 确定参与免疫系统表现的大脑区域.
  • 通过神经元活动检索免疫状态.

主要方法:

  • 在小鼠中使用FosTRAP (活动依赖细胞标记).
  • 在炎症期间在岛皮层捕获的神经元组合 (DSS大肠炎,腹膜炎).
  • 使用化学遗传来重新激活特定的神经元组合.

主要成果:

  • 岛内皮层 (InsCtx) 被确定为存储免疫信息的关键大脑区域.
  • 对 InsCtx 神经元组合的重新激活成功地恢复了特定的炎症状态.
  • 证明神经元组合编码不同的炎症状况.

结论:

  • 大脑,特别是岛屿皮层, 存储有关周边免疫状态的信息.
  • 神经元组合可以代表并检索特定的免疫反应.
  • 这将免疫记忆的概念扩展到神经元的炎症表现.