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Interleukin-11
1Yale University School of Medicine, Department of Internal Medicine, New Haven, CT 06520-8057, USA.
The International Journal of Biochemistry & Cell Biology
|August 1, 1997
Summary
Interleukin-11 (IL-11), an IL-6-type cytokine, impacts hematopoiesis, bone metabolism, and tissue repair. It plays a dual role, stimulating some functions while protecting against tissue injury and promoting mucosal surface integrity.
Area of Science:
- Biochemistry
- Immunology
- Cell Biology
Background:
- Interleukin-11 (IL-11) is an IL-6-type cytokine produced by stromal cells.
- It signals through a receptor complex involving an IL-11-specific alpha subunit and gp130.
- IL-11 exhibits diverse biological activities across multiple cell types and physiological processes.
Purpose of the Study:
- To elucidate the multifaceted roles of IL-11 in biological systems.
- To understand IL-11's involvement in hematopoiesis, bone metabolism, and tissue repair.
- To explore IL-11's protective functions against tissue injury and its role in mucosal immunity.
Main Methods:
- This abstract does not detail specific experimental methods.
- The information is based on established knowledge of IL-11's functions.
Main Results:
- IL-11 stimulates hematopoiesis and acute phase protein production.
- It inhibits adipocyte genesis, activates osteoclasts, and influences neural and chondrocyte function.
- IL-11 protects against tissue injury by preserving stem cells, regulating proliferation, and inhibiting apoptosis and macrophage cytokine release.
Conclusions:
- IL-11 is a key regulator of hematopoiesis, bone metabolism, and tissue remodeling.
- IL-11 serves as a critical protector of mucosal surfaces.
- The cytokine's diverse functions highlight its importance in maintaining tissue homeostasis and integrity.
