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Dissecting Innate Immune Signaling in Viral Evasion of Cytokine Production

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Published on: March 2, 2014

Measles virus induces cell-type specific changes in gene expression.

Hiroki Sato¹, Reiko Honma, Misako Yoneda

¹Laboratory Animal Research Center, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan.

|April 1, 2008

Summary

This summary is machine-generated.

Measles virus (MV) infection triggers distinct cellular responses based on cell type. DNA microarray analysis reveals cell-specific gene expression changes, impacting antiviral defenses and immune signaling pathways.

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Vaccinia Virus Infection & Temporal Analysis of Virus Gene Expression: Part 3

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Area of Science:

Virology
Immunology
Molecular Biology

Background:

Measles virus (MV) induces complex immune responses, including transient immunosuppression and lasting immunity.
Understanding MV's cellular effects is crucial for elucidating its pathogenesis.

Purpose of the Study:

To comprehensively analyze the effects of MV infection on different cell types.
To investigate cell-type-specific gene expression alterations following MV infection.

Main Methods:

DNA microarray analysis was performed on epithelial (293SLAM) and lymphoid (COBL-a) cell lines infected with wild-type MV.
Gene expression profiles were compared between cell types and after infection with V protein knockout MV.

Main Results:

MV infection induced rapid antiviral gene upregulation in 293SLAM cells, followed by broader gene regulation.
COBL-a cells showed limited gene expression modulation, with no significant changes observed even with V knockout MV.
Interferon (IFN) signaling was completely suppressed in COBL-a cells during MV infection.

Conclusions:

MV elicits distinct cellular responses in a cell-type-specific manner.
Microarray analysis provides valuable insights into MV pathogenesis mechanisms.
The V protein's role in modulating cellular gene expression in COBL-a cells appears minimal.