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Is TNF really involved in cachexia?
C García-Martínez1, P Costelli, F J López-Soriano
1Department of Biochemistry and Physiology, Facultat de Biologia, Universitat de Barcelona, Spain.
Cancer Investigation
|January 1, 1997
Summary
Tumor necrosis factor-alpha (TNF) may contribute to cachexia, particularly in sepsis and cancer-related weight loss. However, other cytokines like IL-6 and IFN-gamma also play significant roles in cachexia development.
Area of Science:
- Biochemistry
- Immunology
- Pathophysiology
Background:
- Cachexia is a complex metabolic syndrome characterized by involuntary weight loss.
- Cytokines are signaling proteins with crucial roles in immune responses and inflammation.
- Tumor necrosis factor-alpha (TNF) has been implicated in various catabolic processes.
Purpose of the Study:
- To review the potential role of TNF in the development of cachexia.
- To explore the contribution of other cytokines in cachexia.
Main Methods:
- Literature review of experimental models and clinical studies.
- Analysis of cytokine involvement in sepsis and tumor-associated weight loss.
Main Results:
- TNF is linked to sepsis and tumor-associated weight loss in experimental models.
- Interleukin-6 (IL-6) and interferon-gamma (IFN-gamma) may also contribute to cachexia.
- The combined effects of TNF with other cytokines in cachexia are considered.
Conclusions:
- TNF is a potential contributor to cachexia.
- Cachexia development likely involves a complex interplay of multiple cytokines, including IL-6 and IFN-gamma, in addition to TNF.