About Human Sphingosine-1-Phosphate Receptor 2 (S1PR2/EDG5) Stable Cell Line

Sphingosine-1-Phosphate Receptor 2 (S1PR2), also known as Endothelial Differentiation Gene 5 (EDG5), is a Class A G protein-coupled receptor (GPCR) that binds the bioactive lipid mediator sphingosine-1-phosphate (S1P). S1PR2 belongs to the sphingosine-1-phosphate receptor family, which includes S1PR1–S1PR5, and plays critical roles in regulating cell migration, vascular biology, immune responses, and tissue homeostasis. Unlike several other S1P receptors that promote cell migration, S1PR2 often functions as a negative regulator of cellular motility through activation of Rho/ROCK signaling pathways. Upon ligand binding, S1PR2 can couple to multiple G proteins, including Gi, Gq, and G12/13, leading to activation of diverse downstream signaling cascades that regulate cytoskeletal dynamics, cell proliferation, survival, and inflammatory responses.

S1PR2 is widely expressed in endothelial cells, immune cells, hepatocytes, vascular smooth muscle cells, auditory tissues, and various organs throughout the body. The receptor contributes to vascular barrier regulation, immune cell trafficking, hepatic metabolism, hearing function, and inflammatory signaling. Dysregulation of S1PR2 signaling has been implicated in cancer progression, fibrosis, inflammatory diseases, atherosclerosis, metabolic disorders, liver disease, and hearing loss. As a result, S1PR2 has emerged as an important therapeutic target in oncology, immunology, cardiovascular research, and metabolic disease drug discovery.

eEnzyme's Human S1PR2 Stable Cell Line provides a reliable and reproducible cellular platform for investigating S1PR2-mediated signaling pathways and evaluating receptor-targeted therapeutics. The cell line enables quantitative assessment of sphingosine-1-phosphate analogs, agonists, antagonists, and novel receptor modulators through calcium mobilization assays, reporter gene assays, cAMP assays, and other GPCR functional screening platforms. Researchers can utilize this stable cell line for receptor characterization, ligand profiling, potency determination, lead optimization, and high-throughput screening applications supporting inflammation, oncology, cardiovascular, and metabolic disease research.

Applications of the S1PR2 Stable Cell Line

• S1PR2 receptor pharmacology studies
• Sphingosine-1-phosphate signaling investigations
• Agonist and antagonist screening
• Inflammation and immunology research
• Cancer biology and metastasis studies
• Cardiovascular and vascular biology research
• Calcium mobilization and GPCR functional assays
• High-throughput screening applications

Biological Significance of S1PR2

S1PR2 is a key regulator of sphingolipid-mediated signaling and influences numerous physiological processes involving cell migration, vascular integrity, immune responses, and tissue remodeling. Activation of S1PR2 often suppresses cellular migration through Rho-dependent signaling pathways, distinguishing it from other S1P receptor family members that frequently promote cell motility. In the immune system, S1PR2 regulates leukocyte trafficking and inflammatory responses, while in vascular tissues it contributes to endothelial barrier function and vascular homeostasis. The receptor has also been implicated in tumor biology, where its effects may vary depending on tissue type and disease context. Additionally, S1PR2 plays important roles in auditory function, with genetic deficiencies linked to hearing impairment. Because of its diverse biological functions and therapeutic relevance across multiple disease areas, S1PR2 remains an important target for translational research and GPCR-focused drug discovery. The S1PR2 Stable Cell Line provides a valuable tool for studying sphingosine-1-phosphate receptor biology and advancing the development of next-generation therapeutics targeting inflammatory, cardiovascular, metabolic, and oncological disorders.