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相关概念视频

Immune Response Against Viral Pathogens01:29

Immune Response Against Viral Pathogens

795
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...
795
Antigen Processing Pathways01:31

Antigen Processing Pathways

1.0K
MHC molecules are key players in the immune response, enabling T cells to recognize and respond to specific antigens. They are present on the surface of all nucleated cells in the body and are instrumental in presenting antigens to T cells and activating them. T cells recognize the MHC-antigen complex and initiate an immune response. MHC class I and MHC class II are two main types of MHC molecules, each associated with a distinct antigen processing pathway.
MHC Class I: Presenting Endogenous...
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Antigens Involved in Adaptive Immunity01:26

Antigens Involved in Adaptive Immunity

507
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...
507
Leaky Scanning02:28

Leaky Scanning

5.1K
During most eukaryotic translation processes, the small 40S ribosome subunit scans an mRNA from its 5' end until it encounters the first start AUG codon. The large 60S ribosomal subunit then joins the smaller one to initiate protein synthesis. The location of the translation initiation is largely determined by the nucleotides near the start codon as there may be multiple translation initiation sites present on the mRNA.  Marilyn Kozak discovered that the sequence RCCAUGG (where R...
5.1K

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相关实验视频

Updated: Jul 11, 2025

Arbovirus Infections As Screening Tools for the Identification of Viral Immunomodulators and Host Antiviral Factors
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在ASFV和宿主免疫路径蛋白之间相互作用.

Qijun Wu1,2, Yingying Lei1,2, Ya Zuo2

  • 1State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China.

mSystems
|November 15, 2023
PubMed
概括

绘制了非洲猪瘟病毒 (ASFV) 蛋白相互作用图,以了解其病理学. 这项研究揭示了ASFV与宿主免疫相互作用,有助于制定针对非洲猪瘟 (ASF) 的策略.

关键词:
非洲猪瘟病毒病毒高通量酵母两种混合选宿主免疫路径的主机免疫路径蛋白质与蛋白质的相互作用

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相关实验视频

Last Updated: Jul 11, 2025

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06:02

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Dissecting Innate Immune Signaling in Viral Evasion of Cytokine Production
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科学领域:

  • 病毒学 病毒学
  • 免疫学 免疫学 免疫学
  • 生物信息学是一种生物信息学.

背景情况:

  • 非洲猪瘟 (ASF) 对全球猪肉行业构成重大威胁.
  • 目前尚不完全了解ASFV病原和宿主特异性临床变异的精确机制.

研究的目的:

  • 阐明ASFV和宿主免疫路径之间的综合蛋白质-蛋白质相互作用 (PPI) 网络.
  • 探索家养猪和 warthogs之间的ASFV宿主PPI的差异.
  • 通过cGAS-STING通路调查ASFV蛋白质在先天免疫调节中的作用.

主要方法:

  • 解读ASFV主机和ASFV-ASFV PPI网络的密码.
  • 在家养猪和 warthogs 的 PPIs 的比较分析.
  • 查ASFV蛋白质对IFN-I和NF-κB信号传递的抑制作用.

主要成果:

  • 建立了一个全面的ASFV-宿主相互作用景观,包括ASFV-宿主免疫路径和ASFV-ASFV PPI.
  • 在家养猪和 warthogs 之间的 ASFV 主体 PPI 中发现了关键差异.
  • 发现与cGAS-STING通路相互作用的特定ASFV蛋白质可以抑制IFN-I和NF-κB激活.

结论:

  • 开发的PPI网络为ASFV病理学和宿主特定反应提供了洞察力.
  • 已识别的ASFV蛋白质为针对ASF的治疗干预提供了潜在的点.
  • 该研究强调了ASFV宿主PPI在调节天生的免疫力方面的重要性.