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PTPRT regulates high-fat diet-induced obesity and insulin resistance.


ABSTRACT: Obesity is a risk factor for many human diseases. However, the underlying molecular causes of obesity are not well understood. Here, we report that protein tyrosine phosphatase receptor T (PTPRT) knockout mice are resistant to high-fat diet-induced obesity. Those mice avoid many deleterious side effects of high-fat diet-induced obesity, displaying improved peripheral insulin sensitivity, lower blood glucose and insulin levels. Compared to wild type littermates, PTPRT knockout mice show reduced food intake. Consistently, STAT3 phosphorylation is up-regulated in the hypothalamus of PTPRT knockout mice. These studies implicate PTPRT-modulated STAT3 signaling in the regulation of high-fat diet-induced obesity.

SUBMITTER: Feng X 

PROVIDER: S-EPMC4065109 | biostudies-literature | 2014

REPOSITORIES: biostudies-literature

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PTPRT regulates high-fat diet-induced obesity and insulin resistance.

Feng Xiujing X   Scott Anthony A   Wang Yong Y   Wang Lan L   Zhao Yiqing Y   Doerner Stephanie S   Satake Masanobu M   Croniger Colleen M CM   Wang Zhenghe Z  

PloS one 20140620 6


Obesity is a risk factor for many human diseases. However, the underlying molecular causes of obesity are not well understood. Here, we report that protein tyrosine phosphatase receptor T (PTPRT) knockout mice are resistant to high-fat diet-induced obesity. Those mice avoid many deleterious side effects of high-fat diet-induced obesity, displaying improved peripheral insulin sensitivity, lower blood glucose and insulin levels. Compared to wild type littermates, PTPRT knockout mice show reduced f  ...[more]

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