The ChemiScreen TP Prostanoid Receptor Stable Cell Line is an engineered cell line for use in studying drug candidates (small molecules or biologics) targeting GPCRs. This cell line enables assessment of ligand (e.g. prostaglandin H2, thromboxane A2) based activation of TBXA2R GPCR activity via detection of increasing levels of intracellular calcium. The included cell line overexpresses TBXA2R alongside endogenous high levels of the promiscuous G protein, Gα15, coupling the receptor to the calcium signaling pathway. Upon activation of TBXA2R, the resulting calcium activity can be fluorescently assayed. This stable modified cell line is provided as two vials of cryopreserved cells. For detailed product information, visit www.discoverx.com/targets/gpcr-target-biology.