Cloning and functional expression of a cDNA encoding a mouse type 2 neuropeptide Y receptor

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Abstract

A cDNA clone homologous with the human neuropeptide Y (NPY)-Y2 receptor has been isolated from a mouse brain cDNA library. Analysis of the predicted amino-acid sequence indicates that the polypeptide encoded by this cDNA is 94% homologous to the human NPY-Y2 receptor. In Chinese hamster ovary (CHO) cells expressing the mouse NPY-Y2 receptor, an increase in intracellular Ca2+ and inhibition of forskolin-induced cAMP accumulation were observed due to stimulation with NPY, NPY-(13-36) and peptide YY, but not with pancreatic polypeptide or [Leu31,Pro34]NPY. The fact that the NPY-induced increase in intracellular Ca2+ and inhibition of forskolin-induced cAMP accumulation were eliminated by pretreatment with pertussis toxin suggests that the NPY-Y2 receptor couples to PTX-sensitive G-protein(s), probably Gi/Go, in CHO cells.

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Nakamura, M., Aoki, Y., & Hirano, D. (1996). Cloning and functional expression of a cDNA encoding a mouse type 2 neuropeptide Y receptor. Biochimica et Biophysica Acta - Biomembranes, 1284(2), 134–137. https://doi.org/10.1016/S0005-2736(96)00166-6

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