Interleukin-20 receptor

Interleukin-20 receptor (IL-20R) is a type of protein that in humans is encoded by the IL20RA gene. It is a part of the cytokine receptor family, specifically the interleukin receptors. The IL-20R is involved in the regulation of immune system responses and plays a crucial role in inflammatory processes.

Structure

The Interleukin-20 receptor is a heterodimeric receptor complex that consists of two subunits: IL-20RA and IL-20RB. These subunits are members of the class II cytokine receptor family. The IL-20RA subunit is shared with the IL-22 receptor, while the IL-20RB subunit is shared with the IL-24 receptor.

Function

The primary function of the IL-20R is to bind to its ligands, IL-19, IL-20, and IL-24. Upon binding, it activates the JAK-STAT signaling pathway, which leads to the expression of a variety of genes involved in immune responses, cell growth, and differentiation.

Clinical significance

Alterations in the function of the IL-20R have been associated with several autoimmune diseases, including psoriasis and rheumatoid arthritis. In addition, overexpression of IL-20R has been observed in certain types of cancer, suggesting a potential role in tumorigenesis.

See also

• Interleukin receptor
• Interleukin-20
• Interleukin-19
• Interleukin-24

References

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