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Tumor necrosis factor alpha and toxicology
M I Luster1, P P Simeonova, R Gallucci
1Toxicology and Molecular Biology Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, WV 26505, USA. my16@cdc.gov
Critical Reviews in Toxicology
|October 16, 1999
Summary
Tumor necrosis factor-alpha (TNFα) is a key cytokine in toxicological processes, inflammation, and disease. Understanding TNFα biology and its role in organ damage is crucial for human risk assessment and disease susceptibility studies.
Area of Science:
- Biochemistry
- Toxicology
- Immunology
Background:
- Cytokines, including tumor necrosis factor-alpha (TNFα), are crucial signaling molecules.
- TNFα plays a role in toxicological processes like apoptosis, cell repair, and inflammation.
- TNFα is implicated in endotoxin shock and chronic disease wasting.
Purpose of the Study:
- To describe the primary regulatory cytokine, TNFα, and its toxicological functions.
- To review TNFα's role in homeostasis, cellular damage, and repair.
- To discuss TNFα's implication in human risk assessment and disease susceptibility.
Main Methods:
- Review of existing literature on TNFα biology and toxicology.
- Analysis of organ- and tissue-specific responses to chemical damage involving TNFα.
- Examination of genetic polymorphisms in TNFα expression and their link to disease susceptibility.
Main Results:
- TNFα is a central mediator in various toxicological responses.
- TNFα is involved in cellular damage and repair mechanisms.
- Genetic variations in TNFα influence disease susceptibility and risk assessment.
Conclusions:
- TNFα is a critical factor in understanding toxicological mechanisms and disease pathogenesis.
- Further research into TNFα's role can inform therapeutic strategies and risk assessment.
- Genetic polymorphisms of TNFα are important considerations in human health and disease.