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Arginine and Lysine Supplementation Potentiates the Beneficial β-Hydroxy ß-Methyl Butyrate (HMB) Effects on Skeletal Muscle in a Rat Model of Diabetes

Manzano, Manuel ; Girón, María D ; Salto, Rafael ; Burgio, Chiara ; Reinoso, Antonio ; Cabrera, Elena ; Rueda, Ricardo ; López-Pedrosa, Jose M

Nutrients, 2023-11, Vol.15 (22), p.4706 [Periódico revisado por pares]

Basel: MDPI AG

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Arginine and Lysine Supplementation Potentiates the Beneficial β-Hydroxy ß-Methyl Butyrate (HMB) Effects on Skeletal Muscle in a Rat Model of Diabetes
Autor: Manzano, Manuel ; Girón, María D ; Salto, Rafael ; Burgio, Chiara ; Reinoso, Antonio ; Cabrera, Elena ; Rueda, Ricardo ; López-Pedrosa, Jose M
Assuntos: Amino acids ; Animals ; Antibodies ; arginine ; Blood sugar ; Diabetes ; Esters ; Glucose ; Glucose metabolism ; glucose uptake ; Glycosylated hemoglobin ; Homeostasis ; Insulin ; Insulin resistance ; Kinases ; lysine ; Metabolism ; Metabolites ; muscle ; Muscle function ; Muscles ; Musculoskeletal system ; Oxidative stress ; Phosphorylation ; Protein biosynthesis ; Protein synthesis ; Proteins ; Sarcopenia ; Type 2 diabetes ; β-hydroxy β-methyl butyrate
É parte de: Nutrients, 2023-11, Vol.15 (22), p.4706
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Descrição: Skeletal muscle is the key tissue for maintaining protein and glucose homeostasis, having a profound impact on the development of diabetes. Diabetes causes deleterious changes in terms of loss of muscle mass, which will contribute to reduced glucose uptake and therefore progression of the disease. Nutritional approaches in diabetes have been directed to increase muscle glucose uptake, and improving protein turnover has been at least partially an oversight. In muscle, β-hydroxy β-methyl butyrate (HMB) promotes net protein synthesis, while arginine and lysine increase glucose uptake, albeit their effects on promoting protein synthesis are limited. This study evaluates if the combination of HMB, lysine, and arginine could prevent the loss of muscle mass and function, reducing the progression of diabetes. Therefore, the combination of these ingredients was tested in vitro and in vivo. In muscle cell cultures, the supplementation enhances glucose uptake and net protein synthesis due to an increase in the amount of GLUT4 transporter and stimulation of the insulin-dependent signaling pathway involving IRS-1 and Akt. In vivo, using a rat model of diabetes, the supplementation increases lean body mass and insulin sensitivity and decreases blood glucose and serum glycosylated hemoglobin. In treated animals, an increase in GLUT4, creatine kinase, and Akt phosphorylation was detected, demonstrating the synergic effects of the three ingredients. Our findings showed that nutritional formulations based on the combination of HMB, lysine, and arginine are effective, not only to control blood glucose levels but also to prevent skeletal muscle atrophy associated with the progression of diabetes.
Editor: Basel: MDPI AG
Idioma: Inglês

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Arginine and Lysine Supplementation Potentiates the Beneficial β-Hydroxy ß-Methyl Butyrate (HMB) Effects on Skeletal Muscle in a Rat Model of Diabetes

Manzano, Manuel ; Girón, María D ; Salto, Rafael ; Burgio, Chiara ; Reinoso, Antonio ; Cabrera, Elena ; Rueda, Ricardo ; López-Pedrosa, Jose M

Basel: MDPI AG

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