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Updated: Jun 15, 2026

Investigation of Macrophage Polarization Using Bone Marrow Derived Macrophages
Published on: June 23, 2013
TNF-alpha and IL-12: a balancing act in macrophage functioning
X Ma1
1Department of Microbiology and Immunology, Weill Medical College of Cornell University, 1300 York Avenue, New York, NY 10021, USA. xim2002@med.cornell.edu
Tumor necrosis factor alpha (TNF-alpha) and interleukin 12 (IL-12) are key inflammatory mediators. Their complex interplay influences macrophage function in immunity, highlighting TNF-alpha
Area of Science:
- Immunology
- Cell Biology
Background:
- Macrophage-derived mediators like TNF-alpha and IL-12 are crucial in mammalian inflammatory responses.
- TNF-alpha exhibits dual roles, acting as both a pro-inflammatory and anti-inflammatory agent.
Purpose of the Study:
- To explore the intricate inter-regulation between TNF-alpha and IL-12.
- To elucidate the combined impact of TNF-alpha and IL-12 on macrophage functions within innate and adaptive immunity.
Main Methods:
- Review of existing scientific literature on TNF-alpha and IL-12.
- Analysis of studies investigating macrophage-mediated inflammatory and immune responses.
Main Results:
- Demonstration of the complex regulatory network between TNF-alpha and IL-12.
- Evidence supporting the modulation of macrophage activity by these cytokines in immune contexts.
Conclusions:
- The interplay between TNF-alpha and IL-12 significantly shapes macrophage effector functions.
- Understanding this interaction is vital for comprehending immune system regulation and inflammatory diseases.
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