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相关概念视频

Allergic Reactions02:06

Allergic Reactions

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Overview
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Defense Against Bacterial Pathogens01:31

Defense Against Bacterial Pathogens

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The human immune system is a complex network of cells, tissues, and organs that work together to defend the body against bacterial infections. It consists of various immune cells, each playing a specific role in the defense mechanism.
Phagocytes
Phagocytes are the frontline soldiers of the immune system. They include neutrophils and macrophages. Neutrophils are the most abundant type of white blood cell and are quickly mobilized to the site of infection. Macrophages are larger cells that patrol...
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Antibody Structure01:10

Antibody Structure

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Overview
Antibodies, also known as immunoglobulins (Ig), are essential players of the adaptive immune system. These antigen-binding proteins are produced by B cells and make up 20 percent of the total blood plasma by weight. In mammals, antibodies fall into five different classes, which each elicits a different biological response upon antigen binding.
The Y-Shaped Structure of Antibodies Consists of Four Polypeptide Chains
Antibodies consist of four polypeptide chains: two identical heavy...
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Cross-reactivity00:42

Cross-reactivity

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Factors Affecting the Risk of Infection01:26

Factors Affecting the Risk of Infection

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The hosts' susceptibility to infection depends on several factors. The integrity of the skin and mucous membranes helps protect the body against microbial attacks. When the skin is altered, the chance of infection, limb loss, and even death increases.
The integrity and count of the white blood cells help the body resist pathogens and fight infection. When impaired, it reduces the body's resistance to pathogens. The acidic pH levels of the gastrointestinal, genitourinary tracts, and skin...
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Autoimmune Disorders01:29

Autoimmune Disorders

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Autoimmune diseases are a group of disorders in which the body's immune system mistakenly attacks its own cells, tissues, and organs. This results from an overactive immune response against substances and tissues normally present in the body. Let's delve into the concept and mechanism of autoimmune diseases from an immune system point of view, explore different causes and examples of such diseases, and discuss potential solutions.
Concept and Mechanism of Autoimmune Diseases
The immune...
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相关实验视频

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Author Spotlight: Advancing Allergic Rhinitis Research with Multicolor Immunofluorescence
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细菌和过敏疾病 细菌和过敏疾病

Svetlana V Guryanova1,2

  • 1M.M. Shemyakin and Yu.A. Ovchinnikov Institute of Bioorganic Chemistry RAS, 117997 Moscow, Russia.

International journal of molecular sciences
|October 16, 2024
PubMed
概括

微生物群落通过调节免疫力和新陈代谢来影响宿主健康. 减少的细菌多样性与过敏和其他疾病有关,这凸显了平衡微生物群对福祉的重要性.

科学领域:

  • 微生物学 微生物学
  • 免疫学 免疫学 免疫学
  • 主体与微生物的相互作用

背景情况:

  • 微生物,特别是细菌,从出生开始就殖民所有屏障组织,通过各种机制影响宿主健康.
  • 细菌通过病原体相关的分子模式,化学化合物 (维生素,SCFA,细菌素) 和输送宏分子的细胞外囊泡与宿主相互作用.
  • 表皮和免疫细胞识别细菌分子,根据微环境环境指导免疫反应.

研究的目的:

  • 探索微生物群对宿主健康和疾病的多因素影响.
  • 了解微生物多样性在防止病原体殖民和过敏疾病方面的作用.
  • 强调微生物群与宿主相互作用对治疗策略和生活方式选择的影响.

主要方法:

  • 关于微生物殖民和宿主相互作用的科学文献的综述.
  • 细菌影响宿主免疫和新陈代谢的机制的分析.
  • 检查微生物多样性与过敏疾病发病率之间的联系.

主要成果:

  • 多样化的共生微生物群可以防止病原体的殖民化;多样性减少与过敏 (皮炎,喘等) 有关. ) 的情况.
  • 细菌通过天生的免疫受体激活和化学信号调节宿主免疫力.
  • 细胞外囊泡促进细菌成分的转移,调节宿主细胞代谢途径.
关键词:
过敏性炎症是一种过敏性炎症.过敏性鼻炎 过敏性鼻炎过敏是一种过敏.喘 喘 是一种细菌生物调节器是一种细菌生物调节器.食物过敏 食物过敏主体微生物的相互作用.肺部微生物群是如何形成的共生细菌是一种共生细菌.

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结论:

  • 了解微生物群和宿主之间的复杂相互作用对于有效的疾病预防和治疗至关重要.
  • 保持多样化和平衡的微生物组对于整体健康和活跃的长寿至关重要.
  • 微生物的组成显著影响宿主生理学,影响从免疫力到食物偏好的一切.