ResumenEl músculo esquelético (ME)
Abstract
Skeletal muscle (SM) is the most abundant tissue and the largest reservoir of protein in the body. It transports glucose in an insulin dependent manner by the glucose transporter type 4 (GLUT4) and contributes in the maintenance of serum amino acids concentration. By its mass and energetic requirements, it is fundamental for the systemic metabolic balance. In the present work, we present the effect of gestational undernourishment (GU) on the mechanical and metabolic properties of SM at birth and in old age in an animal model. Mechanical studies were performed on isolated muscles, while the GLUT4, amino acid transporters LAT2, SNAT2 and insulin receptors (IR) determination were performed on isolated transverse-tubule membranes (TT
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