Ready-to-Assay CB2 Cannabinoid 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.

Cannabinoid compounds include exogenous drugs such as 9-THC, the main psychoactive component of the plant Cannabis sativa, and endogenous mediators, such as anandamide, that belong to eicosanoid family. The biological effects of cannabinoids are mediated by a family of two Gi-coupled 7-transmembrane receptors, CB1 and CB2. The CB1 receptor is found primarily in brain and mediates the psychoactive effects of cannabinoid ligands. The CB2 receptor is expressed mainly in immune cells, including mast cells and CD40-activated B cells, where it mediates proliferation and inhibition of migration (Howlett et al., 2002). Activation of CB2 inhibits the development of liver fibrosis (Julien et al., 2005). In bone, CB2 is expressed in both osteoblasts and osteoclasts, and functions to prevent bone loss (Ofek et al., 2006). In addition, activation of CB2 has an antinociceptive effect in animal models of neuropathic, inflammatory, and acute pain; this effect is mediated by release of endogenous opioids in the periphery (Ibrahim et al., 2005). Millipore′s cloned human CB2-expressing cell line is made in the Chem-4 host, which supports high levels of recombinant CB2 expression on the cell surface and contains optimized levels of a recombinant promiscuous G protein 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 CB2.

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

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