Mechanism of G Protein Beta5/ R7-RGS Protein/ R7BP Complex Signal Transduction

National Institute Of Diabetes And Digestive And Kidney Diseases

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Abstract

The purpose of the current work is to understand the signaling function of the evolutionarily-conserved Gbeta5/R7-RGS/R7BP complex in humans. To this end we are first trying to identify and characterize the functions of the Gbeta5 complex in model systems such as cultured PC12 and SH-SY5Y cells, primary rodent brain neurons, and genetically-modified mice. The effect of the loss-of-function of Gbeta5 and other complex components in neurons and brains of knockout mice is currently being examined using developmental, behavioral, immunohistochemical, and neuroanatomical analyses.