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Related Concept Videos

Immune Response Against Viral Pathogens01:29

Immune Response Against Viral Pathogens

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...
Inhibitors of Viral Protein Synthesis01:30

Inhibitors of Viral Protein Synthesis

Protein synthesis is indispensable for viral replication, as viruses lack the cellular machinery required for this process and must hijack the host's translational apparatus. In response, host cells deploy a critical innate immune defense involving interferons, specialized cytokines that play a central role in inhibiting viral propagation.Upon viral detection, infected cells release interferons that bind to receptors on adjacent uninfected cells, activating the JAK-STAT signaling pathway and...
Cytotoxic T Cells-mediated Immune Response01:27

Cytotoxic T Cells-mediated Immune Response

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...
Mitochondrial Membranes01:45

Mitochondrial Membranes

A single mitochondrion is a bean-shaped organelle enclosed by a double-membrane system. The outer membrane of mitochondria is smooth and contains many porins - the integral membrane transporters. Porins enable free diffusion of ions and small uncharged molecules through the outer mitochondrial membrane but limit the transport of molecules larger than 5000 Daltons. Further, the outer mitochondrial membrane forms a unique structure called membrane contact sites with other subcellular organelles,...
Mitochondrial Membranes01:45

Mitochondrial Membranes

A single mitochondrion is a bean-shaped organelle enclosed by a double-membrane system. The outer membrane of mitochondria is smooth and contains many porins - the integral membrane transporters. Porins enable free diffusion of ions and small uncharged molecules through the outer mitochondrial membrane but limit the transport of molecules larger than 5000 Daltons. Further, the outer mitochondrial membrane forms a unique structure called membrane contact sites with other subcellular organelles,...
Cell-mediated Immune Responses01:40

Cell-mediated Immune Responses

Overview

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Related Experiment Video

Updated: May 23, 2026

Dissecting Innate Immune Signaling in Viral Evasion of Cytokine Production
08:32

Dissecting Innate Immune Signaling in Viral Evasion of Cytokine Production

Published on: March 2, 2014

Mitochondrial-mediated antiviral immunity.

Takumi Koshiba1

  • 1Department of Biology, Kyushu University, Higashi-ku, Fukuoka, Japan. koshiba@kyudai.jp

Biochimica Et Biophysica Acta
|March 24, 2012
PubMed
Summary

Mitochondria play a crucial role in innate antiviral immunity by activating the RIG-I-like receptor pathway via the mitochondrial antiviral signaling (MAVS) protein to combat RNA viruses.

Area of Science:

  • Cellular biology
  • Immunology
  • Virology

Background:

  • Mitochondria are key regulators of cellular signal transduction.
  • Emerging evidence highlights their role in innate antiviral immunity in mammals.

Purpose of the Study:

  • To review recent discoveries on mitochondria's contribution to antiviral defense.
  • To explore the mitochondrial antiviral signaling (MAVS) pathway.

Main Methods:

  • Literature review of recent research on mitochondrial antiviral immunity.
  • Focus on the retinoic acid-inducible gene I (RIG-I)-like receptors pathway.

Main Results:

  • Mitochondria are integral to innate antiviral immunity.
  • Mitochondrial antiviral signaling (MAVS) protein is essential for this process.

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Real-time Monitoring of Mitochondrial Respiration in Cytokine-differentiated Human Primary T Cells

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Last Updated: May 23, 2026

Dissecting Innate Immune Signaling in Viral Evasion of Cytokine Production
08:32

Dissecting Innate Immune Signaling in Viral Evasion of Cytokine Production

Published on: March 2, 2014

Dissecting Host-virus Interaction in Lytic Replication of a Model Herpesvirus
11:28

Dissecting Host-virus Interaction in Lytic Replication of a Model Herpesvirus

Published on: October 7, 2011

Real-time Monitoring of Mitochondrial Respiration in Cytokine-differentiated Human Primary T Cells
06:55

Real-time Monitoring of Mitochondrial Respiration in Cytokine-differentiated Human Primary T Cells

Published on: October 19, 2021

  • The RIG-I-like receptor pathway is activated through mitochondrial signaling.
  • Conclusions:

    • Mitochondria are critical components of the innate immune system against RNA viruses.
    • Mitochondrial antiviral signaling (MAVS) is a key player in this response.