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Overview
This protocol outlines the process for infecting HeLa cells with vaccinia virus and analyzing the resulting host and viral gene expression. The procedure includes harvesting RNA from infected cells at various time points post-infection.
Key Study Components
Area of Science
- Virology
- Cell Biology
- Gene Expression Analysis
Background
- Vaccinia virus serves as a model for studying viral infections.
- HeLa cells are commonly used for virology research.
- RNA extraction is crucial for analyzing gene expression.
- This protocol is part of a series aimed at understanding viral gene expression dynamics.
Purpose of Study
- To establish a method for infecting HeLa cells with vaccinia virus.
- To analyze the temporal gene expression changes in response to viral infection.
- To provide a foundational technique for further studies on viral-host interactions.
Methods Used
- Setting up viral infections in HeLa cells.
- Harvesting RNA at multiple time points post-infection.
- Amplifying RNA for hybridization to microarrays.
- Analyzing gene expression profiles of both host and viral genes.
Main Results
- Successful infection of HeLa cells with vaccinia virus.
- RNA extraction yielded sufficient material for analysis.
- Gene expression changes were observed at different time points.
- Data supports further investigation into viral gene expression.
Conclusions
- This protocol provides a reliable method for studying vaccinia virus infections.
- RNA extraction and analysis are critical for understanding viral dynamics.
- Findings can inform future research on viral pathogenesis.
What is the significance of using HeLa cells?
HeLa cells are a widely used model for studying human cell biology and virology due to their robust growth and susceptibility to viral infections.
How does RNA extraction contribute to the study?
RNA extraction allows researchers to analyze gene expression changes in response to viral infection, providing insights into the interaction between the virus and host cells.
What are the expected outcomes of this protocol?
The expected outcomes include successful infection of HeLa cells, RNA extraction, and identification of gene expression changes over time.
How many parts does this protocol consist of?
This protocol is part 1 of a 3-part series focused on vaccinia virus infection and gene expression analysis.
What techniques are used for analyzing gene expression?
The protocol utilizes RNA amplification and hybridization to microarrays for comprehensive gene expression analysis.
Who is presenting this protocol?
The protocol is presented by Judy Ann from the laboratory of Kate Irvins at the Whitehead Institute for Biomedical Research.
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