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Parallel Interrogation of β-Arrestin2 Recruitment for Ligand Screening on a GPCR-Wide Scale using PRESTO-Tango Assay
Published on: March 10, 2020
Prostanoid receptor assays
J Chen1, D F Woodward, R A Coleman
1Allergan, Irvine, California, USA.
Current Protocols in Pharmacology
|October 1, 2011
Summary
This study reviews prostanoid receptors, including prostaglandins (PGs) and thromboxanes (TXs), and their subtypes like EP receptors. It highlights available assays for studying these receptors in smooth muscle and platelets.
Area of Science:
- Biochemistry
- Pharmacology
Background:
- Prostanoids, encompassing prostaglandins (PGs) and thromboxanes (TXs), are key signaling molecules.
- These molecules exert their effects by binding to specific G-protein coupled receptors (GPCRs).
- Five distinct prostanoid receptor types (DP, EP, FP, IP, TP) are known, each sensitive to a specific natural prostanoid.
Purpose of the Study:
- To detail the characteristics of prostanoid receptors and their subtypes.
- To focus on the EP receptor family, which has four well-characterized subtypes (EP₁, EP₂, EP₃, EP₄).
- To present available assays for studying prostanoid receptors in smooth muscle and platelet preparations.
Main Methods:
- Review of existing literature on prostanoid receptor families and subtypes.
- Description of receptor expression patterns in mammalian tissues.
- Compilation of functional assays for prostanoid receptor research.
Main Results:
- Prostanoid receptors (DP, EP, FP, IP, TP) are widely distributed in mammals.
- EP receptor subtypes (EP₁, EP₂, EP₃, EP₄) are highly expressed in smooth muscle and platelets.
- Various assays are available for studying these receptors, despite challenges with isolated preparations.
Conclusions:
- Prostanoid receptors and their subtypes play significant roles in physiological processes.
- The EP receptor family, particularly its subtypes, is a key area of research.
- Established assays facilitate the investigation of prostanoid receptor function in relevant biological systems.
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