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Updated: May 15, 2026

Dissecting Innate Immune Signaling in Viral Evasion of Cytokine Production

Dissecting Innate Immune Signaling in Viral Evasion of Cytokine Production

Published on: March 2, 2014

How hantaviruses modulate cellular pathways for efficient replication?

Islam T M Hussein¹, Mohammad Ayoub Mir

¹Department of Microbiology, Molecular Genetics and Immunology, University of Kansa Medical Center, 3901 Rainbow Boulevard, Kansas City, KS 66103, USA.

Frontiers in Bioscience (Elite Edition)

|January 2, 2013

Summary

This summary is machine-generated.

Hantaviruses, dangerous zoonotic pathogens, replicate by hijacking host cells. Their nucleocapsid protein (N) manipulates cellular machinery for viral transcription and translation, aiding replication.

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Area of Science:

Virology
Molecular Biology
Pathogen Research

Background:

Hantaviruses are zoonotic pathogens causing severe human diseases.
Viral replication relies on host cell machinery.
Understanding viral protein functions is crucial for disease control.

Purpose of the Study:

To elucidate the multifaceted roles of hantaviral proteins, particularly the nucleocapsid (N) protein, in modulating host cellular pathways.
To investigate how hantaviruses achieve efficient replication despite their limited coding capacity.

Main Methods:

Analysis of hantaviral protein functions, including RNA-dependent RNA polymerase (RdRp), nucleocapsid protein (N), and glycoprotein precursor (GPC).
Investigation of N protein's interaction with host mRNA caps and translation machinery.
Examination of N protein's role in cellular apoptosis, cytoskeleton, and SUMOylation.

Main Results:

The N protein binds host mRNA caps, protecting them for viral transcription initiation by RdRp.
N protein facilitates preferential translation of viral transcripts by manipulating host translation machinery.
N protein delays cellular apoptosis and utilizes host cytoskeleton and SUMOylation for ribonucleoprotein (RNP) transport.

Conclusions:

Hantaviruses employ sophisticated strategies to subvert host cellular pathways for replication.
The N protein is a key multifunctional molecule orchestrating viral transcription, translation, and cellular manipulation.
These findings highlight novel targets for antiviral strategies against hantavirus infections.