Interleukin 11

Interleukin 11 (IL-11) is a protein that in humans is encoded by the IL11 gene. IL-11 is a member of the interleukin family, a group of cytokines with important roles in the immune system.

Structure and Function

IL-11 is a polypeptide and is primarily produced by mesenchymal cells. It functions as a highly pleiotropic cytokine that may play an important role in the regulation of megakaryocytopoiesis, hematopoiesis, and osteoclast differentiation. IL-11 stimulates the growth of certain lymphocytes and, in the bone marrow, stimulates the production of platelets by promoting the proliferation of megakaryocytes.

Clinical Significance

IL-11 has been used therapeutically to boost platelet numbers in patients undergoing chemotherapy, reducing the risk of thrombocytopenia and other complications associated with low platelet counts. It is also being investigated for its potential to stimulate the immune system in conditions such as cancer, autoimmune diseases, and infection.

Side Effects

The most common side effects of IL-11 treatment include fluid retention, dyspnea, tachycardia, arrhythmia, and congestive heart failure. These side effects are generally manageable with appropriate medical intervention.

Research

Research is ongoing to better understand the role of IL-11 in health and disease. This includes studies into its role in inflammation, cancer, and autoimmune diseases, as well as its potential as a therapeutic target.

See Also

• Interleukin
• Cytokine
• Immune system
• Chemotherapy
• Thrombocytopenia