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Control of tumor necrosis factor gene expression
1Institute of Veterinary Virology, University of Bern, Switzerland.
Critical Reviews in Eukaryotic Gene Expression
|January 1, 1994
Summary
This review details the transcriptional control of tumor necrosis factor (TNF) genes. While TNF alpha and TNF beta have overlapping effects, their gene regulation differs significantly at the transcriptional level.
Area of Science:
- Molecular Biology
- Immunology
- Gene Regulation
Background:
- Tumor necrosis factor (TNF) plays a critical role in inflammation and immunity.
- Understanding the regulation of TNF gene expression is crucial for therapeutic interventions.
Purpose of the Study:
- To review and summarize current knowledge on the transcriptional control of TNF alpha and TNF beta genes.
- To elucidate the mechanisms involved in TNF gene induction and posttranscriptional regulation.
Main Methods:
- Literature review of existing data on TNF gene regulation.
- Analysis of regulatory elements in promoter and 3' flanking regions.
- Discussion of posttranscriptional events, including mRNA destabilization and chromatin structure.
Main Results:
- Transcriptional induction mechanisms for TNF genes are detailed.
- Regulatory elements within promoter and 3' flanking regions significantly influence TNF expression.
- Posttranscriptional events, such as mRNA destabilization, also impact TNF gene regulation.
- Chromatin structure influences TNF gene expression and its functional implications.
Conclusions:
- TNF alpha and TNF beta genes exhibit distinct transcriptional regulation despite overlapping biological functions.
- Both transcriptional and posttranscriptional mechanisms contribute to the overall control of TNF gene expression.