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Carbohydrates are the preferred substrate for contracting skeletal muscles during high-intensity exercise and are also readily utilized during moderate intensity exercise. This use of carbohydrates during physical activity likely played an important role during the survival of early Homo sapiens, and genes and traits regulating physical activity, carbohydrate metabolism, and energy storage have undoubtedly been selected throughout evolution. In contrast to the life of early H. sapiens, modern lifestyles are predominantly sedentary. As a result, intake of excessive amounts of carbohydrates due to the easy and continuous accessibility to modern high-energy food and drinks has not only become unnecessary but also led to metabolic diseases in the face of physical inactivity. A resulting metabolic disease is type 2 diabetes, a complex endocrine disorder characterized by abnormally high concentrations of circulating glucose. This disease now affects millions of people worldwide. Exercise has beneficial effects to help control impaired glucose homeostasis with metabolic disease, and is a well-established tool to prevent and combat type 2 diabetes. This chapter focuses on the effects of exercise on carbohydrate metabolism in skeletal muscle and systemic glucose homeostasis. We will also focus on the molecular mechanisms that mediate the effects of exercise to increase glucose uptake in skeletal muscle. It is now well established that there are different proximal signaling pathways that mediate the effects of exercise and insulin on glucose uptake, and these distinct mechanisms are consistent with the ability of exercise to increase glucose uptake in the face of insulin resistance in people with type 2 diabetes. Ongoing research in this area is aimed at defining the precise mechanism by which exercise increases glucose uptake and insulin sensitivity and the types of exercise necessary for these important health benefits.
Pubmed ID: 26477909 RIS Download
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Core that offers support for data-driven projects related to basic, clinical and translational research, with a particular emphasis on diabetes. The core aims to ensure that researchers take advantage of the most modern and robust methods available in the field of Bioinformatics and Biostatistics.
View all literature mentionsTHIS RESOURCE IS NO LONGER IN SERVICE. Documented on October 27,2023. Core that provides cell sorting and flow cytometry services. Specific services include cell analysis, large object sorting,magnetic cell enrichment, and automatic cell counting.
View all literature mentionsTHIS RESOURCE IS NO LONGER IN SERVICE. Documented on October 27,2023. Core that provides services for performing specific morphological procedures, providing training and access to equipment, maintaining the specialized microscopes, and giving advice and interpretation.
View all literature mentionsTHIS RESOURCE IS NO LONGER IN SERVICE. Documented on October 27,2023. Core that provides technically advanced physiological evaluation of metabolism in diabetes, obesity, and their associated complications in rodents for DRC investigators and outside users. It also provides training of investigators and trainees in several physiological procedures.
View all literature mentionsTHIS RESOURCE IS NO LONGER IN SERVICE. Documented on October 27,2023. Core that provides services for genetic and genomic analysis, including DNA extraction from blood, access to DNA collections from the Core?s repository, SNP genotyping, and support for gene expression studies based on both high-density oligonucleotide arrays and real-time quantitative PCR.
View all literature mentionsCore that maintains a centralized facility for the generation and propagation of reprogrammed iPS cells for use in molecular and cellular pathologies underlying diabetes and its complications.
View all literature mentionsSix component core which facilitates the exchange of research information and discussions among investigators, fellows and students within the Joslin Diabetes Center, as well as between Joslin Staff and outside researchers with similar interests.
View all literature mentionsThe SciCrunch Infrastructure was developed as a cooperative data platform to be used by diverse communities in making data more FAIR.
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