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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...
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Related Experiment Video

Updated: May 18, 2026

Modeling The Lifecycle Of Ebola Virus Under Biosafety Level 2 Conditions With Virus-like Particles Containing Tetracistronic Minigenomes
10:11

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Published on: September 27, 2014

How Ebola virus counters the interferon system.

A Kühl1, S Pöhlmann

  • 1Institute of Virology, Hannover Medical School, Hannover, Germany. kuehl.annika@mh-hannover.de

Zoonoses and Public Health
|September 11, 2012
PubMed
Summary
This summary is machine-generated.

Ebola virus (EBOV) evades the human interferon (IFN) system, hindering innate immunity. Understanding how EBOV fights IFN-inducible proteins like IFITMs and tetherin is crucial for developing antiviral therapies.

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Zika Virus Infectious Cell Culture System and the In Vitro Prophylactic Effect of Interferons
09:11

Zika Virus Infectious Cell Culture System and the In Vitro Prophylactic Effect of Interferons

Published on: August 23, 2016

Area of Science:

  • Virology
  • Immunology
  • Infectious Diseases

Background:

  • Ebola virus (EBOV) causes severe hemorrhagic fever with high fatality rates.
  • No vaccines or therapeutics are currently available to combat EBOV infection.
  • The interferon (IFN) system is a key innate defense against viral infections.

Purpose of the Study:

  • To review EBOV strategies for evading the IFN system.
  • To discuss how IFITM proteins and tetherin inhibit EBOV infection.
  • To identify potential antiviral targets against EBOV.

Main Methods:

  • Review of existing literature on EBOV-IFN interactions.
  • Analysis of host cell responses to EBOV infection.
  • Examination of the role of IFITM proteins and tetherin in antiviral defense.

Main Results:

  • IFN-inducible transmembrane proteins 1-3 (IFITM1-3) and tetherin restrict EBOV infection in cell culture.
  • EBOV interferes with signaling pathways necessary for the expression of these antiviral proteins.
  • The IFN system presents a potential barrier against EBOV spread.

Conclusions:

  • EBOV actively combats the host IFN system to facilitate infection.
  • IFITM proteins and tetherin are key host factors that restrict EBOV.
  • Targeting EBOV's interference with the IFN system may lead to novel therapeutics.