Ready-to-Assay GAL₁ Galanin Receptor Frozen Cells

Millipore′s Ready-to-Assay GPCR frozen cells are designed for simple, rapid calcium assays with no requirement for intensive cell culturing. Millipore has optimized the freezing conditions to provide cells with high viability and functionality post-thaw. The user simply thaws the cells and resuspends them in media, dispenses cell suspension into assay plates and, following over night recovery, assays for calcium response.

Galanin is a 29-30 amino acid peptide originally purified from intestine but later found to be abundant in the CNS. A family of 3 GPCRs, GAL1, GAL2 and GAL3, bind to galanin and mediate its biological effects. GAL1 couples to Gi/o to decrease intracellular cAMP levels (Wang et al., 1998). Galanin and its receptors have been implicated in pain, cognition, seizure activity, depression and drug addiction (Hökfelt, 2005). In particular, GAL1 mediates the anticonvulsant activity of galanin. Mice lacking GAL1 are affected by spontaneous seizures, and have increased susceptibility to seizures induced by lithium-pilocarpine treatment and electrical perforant path stimulation (McColl et al., 2006; Mazarati et al., 2004). Millipore′s cloned human GAL1-expressing cell line is made in the Chem-1 host, which supports high levels of recombinant GAL1 expression on the cell surface and contains high levels of the promiscuous G protein Gα15 to couple the receptor to the calcium signaling pathway. Thus, the cell line is an ideal tool for screening for agonists, antagonists and modulators at GAL1.

Pack contains 2 vials of mycoplasma-free cells, 1 ml per vial. Fifty (50) mL of Media Component.

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