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A Comparative Approach to Characterize the Landscape of Host-Pathogen Protein-Protein Interactions
Published on: July 18, 2013
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A Primer on Proteomic Characterization of Intercellular Communication in a Virus Microenvironment
James C Kostas1, Colter S Brainard1, Ileana M Cristea1
1Department of Molecular Biology, Princeton University, Princeton, New Jersey, USA.
Molecular & Cellular Proteomics : MCP
|January 25, 2025
Summary
Viral infections profoundly alter intercellular communication within the virus microenvironment (VME). Proteomic approaches reveal how viruses manipulate cellular signaling and molecular interactions to promote pathogenesis and spread.
Area of Science:
- Virology
- Cell Biology
- Immunology
Background:
- Intercellular communication is vital for multicellular organisms and dictates viral infection outcomes.
- Viruses exploit or disrupt host communication pathways for replication and pathogenesis.
- Virus-induced signaling causes systemic host changes and alters the cellular microenvironment (VME).
Purpose of the Study:
- To review proteomic approaches for studying virus-induced alterations in intercellular communication.
- To highlight how these methods reveal viral strategies within the VME.
- To discuss the insights gained into viral infection biology and pathology.
Main Methods:
- Proteomic techniques to analyze secreted molecules (proteins, extracellular vesicles, metabolites).
- Analysis of cell surface alterations in infected cells (immunopeptide presentation, extracellular matrix interactions).
- Spatial profiling to distinguish cellular responses within the VME.
Main Results:
- Identification of secreted molecules (proteins, EVs, metabolites) altered by viral infection.
- Characterization of cell surface modifications impacting host-pathogen interactions.
- Spatial proteomic data revealing distinct cellular subpopulation responses within the VME.
Conclusions:
- Proteomic methods offer unprecedented detail into VME modulation during viral infections.
- Understanding these virus-driven communication changes is critical for disease biology.
- Emerging proteomic strategies are key to uncovering viral pathogenesis mechanisms.
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