Tumor necrosis factor (TNF) biology and cell death
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Updated: Jul 10, 2026

Determination of the Relative Potency of an Anti-TNF Monoclonal Antibody (mAb) by Neutralizing TNF Using an In Vitro Bioanalytical Method
Published on: September 16, 2017
Loris Bertazza1, Simone Mocellin
1Department of Oncological and Surgical Sciences, University of Padova, via Giustiniani 2, 35128 Padova, Italy.
Abstract:
Tumor necrosis factor (TNF) was the first cytokine to be used in humans for cancer therapy. However, its role in the treatment of cancer patients is debated. Most uncertainties in this field stem from the knowledge that the pathways directly activated or indirectly affected upon TNF engagement with its receptors can ultimately lead to very different outcomes in terms of cell survival. In this article, we summarize the fundamental molecular biology aspects of this cytokine. Such a basis is a prerequisite to critically approach the sometimes conflicting preclinical and clinical findings regarding the relationship between TNF, tumor biology and anticancer therapy. Although the last decade has witnessed remarkable advances in this field, we still do not know in detail how cells choose between life and death after TNF stimulation. Understanding this mechanism will not only shed new light on the physiological significance of TNF-driven programmed cell death but also help investigators maximize the anticancer potential of this cytokine.
Insights
Tumor necrosis factor (TNF) is a cytokine used in cancer therapy, but its precise role remains debated. Understanding how TNF signaling determines cell fate is key to maximizing its anticancer potential.
Area of Science:
- Immunology
- Molecular Biology
- Cancer Research
Background:
- Tumor necrosis factor (TNF) was the first cytokine utilized in human cancer therapy.
- Its therapeutic efficacy is debated due to complex downstream signaling pathways.
- TNF receptor engagement can lead to diverse cellular outcomes, including survival or death.
Purpose of the Study:
- To summarize the molecular biology of TNF.
- To critically evaluate conflicting preclinical and clinical findings on TNF in cancer.
- To elucidate the mechanisms of TNF-induced cell death for therapeutic advancement.
Main Methods:
- Review of fundamental molecular biology of TNF.
- Analysis of preclinical and clinical data on TNF, tumor biology, and anticancer therapy.
- Discussion of advances in understanding TNF-driven programmed cell death.
Main Results:
- TNF's role in cancer therapy is complex and not fully understood.
- Conflicting data exists regarding TNF's impact on tumor biology and treatment outcomes.
- Significant progress has been made in the last decade, yet detailed mechanisms of TNF-induced cell fate remain elusive.
Conclusions:
- A comprehensive understanding of TNF's molecular biology is essential for interpreting its role in cancer.
- Further research into TNF-mediated cell death pathways is crucial.
- Elucidating these mechanisms will enhance the anticancer applications of TNF.
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