Regulation of hypothalamic insulin & leptin signalling by TCPTP

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Insulin & leptin signal in the brain to lower blood glucose, suppress food intake, increase activity & increase energy expenditure. Obesity diminishes the abilities of insulin & leptin to signal. This proposal will determine if the enzyme TCPTP terminates insulin & leptin signaling in the brain. Our studies will provide insight into the molecular causes of obesity & may identify a novel therapeutic target for the treatment of obesity & type 2 diabetes.