赛尔图因:宿主对病原体拼图反应的关键部分
Rafael de Freitas E Silva1, Gabriela Bassi2, Niels Olsen Saraiva Câmara3
1Department of Natural Sciences, University of Pernambuco, Garanhuns, Brazil.
Molecular immunology
|July 12, 2023
概括
全球变暖增加了感染易感性. 酶类Sirtuins在宿主对病原体的防御中发挥着关键作用,并代表了预防感染的潜在治疗点.
科学领域:
- 免疫学和分子生物学
- 微生物病原和宿主防御的产生.
背景情况:
- 全球变暖改变了病原体的分布,增加了人类对感染的易感性.
- 主体免疫反应涉及复杂的基因表达和细胞代谢调节.
- 由酸乙转移酶 (KATs) 和酸脱酶 (KDACs) 介导的蛋白质酸乙化对于免疫非常重要.
研究的目的:
- 审查Sirtuins (一种KDAC) 在宿主对病毒,细菌和原生动物感染的反应中的作用.
- 探索病原体如何操纵Sirtuins以促进感染.
- 确定宿主KDAC作为预防感染的潜在治疗点.
主要方法:
- 关于Sirtuins和宿主-病原体相互作用的最近研究的文献综述.
- 对Sirtuins调节免疫细胞功能的分子机制的分析.
- 检查病原体利用Sirtuin活动的策略.
主要成果:
- 赛尔图因在感染期间参与调节免疫细胞代谢和基因表达.
- 病原体可以操纵Sirtuin的活动以抑制宿主免疫力并促进感染.
- 有证据表明,Sirtuins在先天性和适应性免疫反应中起着重要作用.
结论:
- 赛尔图因是宿主免疫反应对各种微生物感染的关键调节者.
- 针对宿主KDACs,特别是Sirtuins,提供了一种有前途的治疗策略,以增强免疫功能和对抗感染.
- 对Sirtuin-病原体相互作用的进一步研究可以揭示抗感染疗法的新途径.
相关概念视频
Defense Against Bacterial Pathogens
1.5K
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...
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...
1.5K
Immune Response Against Viral Pathogens
828
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...
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...
828
Factors Affecting the Risk of Infection
12.0K
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...
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...
12.0K
Inflammatory Response
2.2K
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,...
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,...
2.2K
Gene Regulation in Microbial Communities: Quorum Sensing
41
Quorum sensing is a mechanism of bacterial communication that enables coordinated gene expression in response to changes in population density. This facilitates collective behaviors that enhance survival, resource acquisition, and ecological adaptation. This process relies on small signaling molecules called autoinducers that accumulate as bacterial populations grow. When a critical threshold concentration of autoinducers is reached, bacterial cells collectively modify gene expression,...
41
Cells of the Innate Immune Response
1.7K
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...
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...
1.7K


