LECT2 Functions as a Hepatokine That Links Obesity to Skeletal Muscle Insulin Resistance

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LECT2 functions as a hepatokine that links obesity to skeletal muscle insulin resistance.

Recent articles have reported an association between fatty liver disease and systemic insulin resistance in humans, but the causal relationship remains unclear. The liver may contribute to muscle insulin resistance by releasing secretory proteins called hepatokines. Here we demonstrate that leukocyte cell-derived chemotaxin 2 (LECT2), an energy-sensing hepatokine, is a link between obesity and ...

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starvation-sensing kinase adenosine monophosphate-activated protein kinase (AMPK) in H4IIEC hepatocytes. Genetic deletion of LECT2 in mice increased insulin sensitivity in the skeletal muscle. Treatment with recombinant LECT2 protein impaired insulin signaling via phosphorylation of JNK in C2C12

Recent papers have reported an association between fatty liver disease and systemic insulin resistance in humans, but the causal relationship remains unclear. The liver may contribute to muscle insulin resistance by releasing secretory proteins, termed hepatokines. Here, we demonstrate that leukocyte cell-derived chemotaxin 2 (LECT2), as an energy-sensing hepatokine, is a link between obesity a...

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Obesity is associated with chronic low-grade inflammation that contributes to defects in energy metabolism and insulin resistance. Suppressor of cytokine signaling (SOCS)-3 expression is increased in skeletal muscle of obese humans. SOCS3 inhibits leptin signaling in the hypothalamus and insulin signal transduction in adipose tissue and the liver. Skeletal muscle is an important tissue for cont...

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Skeletal muscle inflammation and insulin resistance in obesity

Introduction Obesity is becoming a global epidemic, increasing the health burden of associated complications of insulin resistance and diseases such as cardiovascular disease (1). Because insulin resistance leads to type 2 diabetes (T2D) (2), T2D incidence and prevalence are also increasing rapidly. The number of adults with diagnosed diabetes in the United States nearly quadrupled over 32 year...

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ژورنال

عنوان ژورنال: Diabetes

سال: 2014

ISSN: 0012-1797,1939-327X

DOI: 10.2337/db13-0728