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IL-12 and viral infections
T Komastu1, D D Ireland, C S Reiss
1Department of Biology, New York University, NY 10003-6688, USA.
Cytokine & Growth Factor Reviews
|January 26, 1999
Summary
Interleukin-12 (IL-12) enhances viral immunity by activating natural killer cells and promoting Th1 CD4+ cell differentiation. This cytokine supports host recovery from both RNA and DNA viral infections.
Area of Science:
- Immunology
- Virology
- Cellular Biology
Background:
- Interleukin-12 (IL-12) is a cytokine crucial for immune responses.
- It is secreted by antigen-presenting cells like dendritic cells, macrophages, and astrocytes.
- IL-12 plays a key role in mediating immunity against viral pathogens.
Purpose of the Study:
- To summarize experimental findings on IL-12's role in viral immunity.
- To highlight IL-12's impact on innate and specific immune responses.
- To consolidate observations from multiple laboratories studying viral infections.
Main Methods:
- Review of experimental studies on viral immunity.
- Analysis of IL-12 secretion by antigen-presenting cells.
- Assessment of immune activation following IL-12 administration.
Main Results:
- IL-12 administration rapidly activates innate and specific immune responses.
- Enhanced host cellular responses are observed after IL-12 treatment.
- IL-12 promotes viral clearance and host recovery from infection.
Conclusions:
- IL-12 is a critical factor in establishing effective immunity against viral pathogens.
- The cytokine enhances host defense mechanisms against both RNA and DNA viruses.
- IL-12 administration represents a potential strategy for improving outcomes in viral infections.