Ready-to-Assay MC1 Melanocortin Receptor Frozen Cells

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EMD Millipore′s Ready-to-Assay GPCR frozen cells are designed for simple, rapid calcium assays with no requirement for intensive cell culturing. EMD 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.

The melanocortin-1 receptor (MC1) is a member of the G-protein-coupled receptor family of proteins that is responsible for regulating skin and hair color. The MC1 receptor is regulated by the physiological agonists alpha-melanocyte-stimulating hormone (α-MSH) and adrenocorticotropic hormone (ACTH), and antagonist agouti signaling protein (ASP) (Rouzud et al., 2005). In 1995 a landmark study demonstrated that over 80% of humans with red hair or fair skin have a dysfunctional variant of the MC1 gene (Valverde et al., 1995). MC1 is, therefore, a major determinant of sun sensitivity and genetic risk factor for melanoma and non-melanoma skin cancer. EMD Millipore′s cloned human MC1 receptor-expressing ChemiScreen cells were constructed by stable transfection of Chem-1 cells with the MC-1 receptor. These stability-tested cells are ready for cAMP accumulation assays for agonists, antagonists and modulators at the MC1 receptor.

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