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相关概念视频

Introduction to Innate and Adaptive Immunity01:21

Introduction to Innate and Adaptive Immunity

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The human immune system is a complex defense mechanism that protects the body from harmful pathogens and foreign substances. It comprises two crucial components: innate and adaptive immunity.
Innate immunity is the body's natural, nonspecific defense system that acts quickly to protect against pathogens. It incorporates physical barriers like skin and mucous membranes and cellular elements such as phagocytes and natural killer cells. This part of our immune system provides an immediate,...
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Humoral Immune Responses01:36

Humoral Immune Responses

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Overview
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Active versus Passive Immunity01:31

Active versus Passive Immunity

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Immunity, along with the ability to limit pathogen growth to prevent significant body tissue damage, can be gained either by (1) actively developing an immune response within the individual after exposure to a pathogen or after getting vaccinated or (2) passively transferring immune components from an immune individual to one who is nonimmune. Both these forms of immunity can be found naturally and in medical practices.
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Active immunity refers to the resistance one develops...
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Development of Immunocompetence01:22

Development of Immunocompetence

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The initiation of cell-mediated immunity can be observed as early as the third month of fetal growth, with active antibody-mediated immunity following approximately one month later.
The initial cells that migrate from the fetal thymus settle within the skin and epithelial tissues lining the mouth, digestive tract, and in females, the uterus and vagina. These cells, including skin-based dendritic cells, serve as antigen-presenting cells, playing a key role in T cell activation.
Subsequent T...
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What is the Immune System?01:38

What is the Immune System?

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Antigens Involved in Adaptive Immunity01:26

Antigens Involved in Adaptive Immunity

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An antigen is any substance the immune system identifies as foreign and potentially harmful to the body, prompting an immune response. Antigens have two functional properties: immunogenicity and reactivity. Immunogenicity is the ability of an antigen to stimulate a specific immune response. At the same time, reactivity describes the antigen's ability to react with the cells and antibodies produced in response to it.
Complete Antigens
Complete antigens possess both immunogenicity and...
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相关实验视频

Updated: Jan 9, 2026

A Method to Assess Fc-mediated Effector Functions Induced by Influenza Hemagglutinin Specific Antibodies
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A Method to Assess Fc-mediated Effector Functions Induced by Influenza Hemagglutinin Specific Antibodies

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人类免疫力的人类免疫力.

Jean-Laurent Casanova1,2,3,4,5

  • 1St. Giles Laboratory of Human Genetics of Infectious Diseases, The Rockefeller University, New York, NY, USA.

Journal of human immunity
|December 3, 2025
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概括
此摘要是机器生成的。

人类的免疫系统对抗微生物是不够的,导致疾病和诸如过敏之类的进化权衡. 遗传学现在允许研究这些免疫的先天性错误,以获得生物学和医学见解.

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科学领域:

  • 免疫学 免疫学 免疫学
  • 遗传学 是一个遗传学.
  • 进化生物学 进化生物学

背景情况:

  • 人类的预期寿命一直受到传染病的限制,直到19世纪,这表明在人口层面上宿主防御不足.
  • 微生物比人类更早,更快地进化,这给人类带来了不断的进化挑战.
  • 保护性免疫力以增加过敏,自身炎症和自身免疫力的风险为代价而发展.

研究的目的:

  • 研究人类免疫的机制及其在分子和细胞水平上的失调.
  • 利用人类免疫的先天性错误作为研究自然条件下的免疫反应的模型.
  • 突出研究免疫的先天性错误的生物学和医学意义.

主要方法:

  • 利用遗传学的进步来研究免疫力.
  • 分析人类免疫反应的分子和细胞机制.
  • 研究人类免疫的先天性错误.

主要成果:

  • 预测几乎所有的人类都具有天生的免疫错误,导致对环境触发器的反应各不相同.
  • 证明了遗传学在解开复杂的免疫系统功能方面的力量.
  • 突出人类天生的错误作为研究的独特资产.

结论:

  • 人类天生的免疫错误为研究免疫功能和功能障碍提供了无与伦比的机会.
  • 遗传学提供了前所未有的规模调查免疫力的工具.
  • 从生物学和医学的角度来看,理解先天性错误至关重要.