Thermo Fisher Scientific ST2 Polyclonal Antibody

Applications

Western Blot (WB)

• Tested Dilution: 1:500–1:2,000

Product Specifications

Target Information

IL-33R, also known as ST2, is a receptor for IL-33 and a member of the IL-1 receptor family of innate receptors. Its extracellular domain consists of three Ig-like domains that interact with the co-receptor IL-1RAcP and the ligand IL-33. IL-33 binding activates adaptor proteins (MyD88, IRAK1, IRAK4, TRAF6), leading to NF-κB and MAPK pathway activation and release of cytokines such as IL-5, IL-6, IL-8, and IL-13.

Two common isoforms of IL-33R arise from alternative splicing:

• ST2L: membrane-bound form
• ST2S: soluble form acting as a decoy receptor

IL-33R is primarily expressed by mast cells, basophils, eosinophils, and in mice, also on ILC2 and Th2 cells. IL-33R signaling is implicated in immune conditions including allergies, arthritis, atherosclerosis, and sepsis.

For Research Use Only. Not for use in diagnostic procedures or resale without authorization.

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