ArticleThe journals of gerontology. Series A, Biological sciences and medical sciences2016
Insulin Signaling and Glucose Uptake in the Soleus Muscle of 30-Month-Old Rats After Calorie Restriction With or Without Acute Exercise.
Article in The journals of gerontology. Series A, Biological sciences and medical sciences, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed, 27 citations in OpenAlex.
- Independent and combined effects of calorie restriction and AICAR on glucose uptake and insulin signaling in skeletal muscles from 24-month-old female and male rats.Applied physiology, nutrition, and metabolism = Physiologie appliquee, nutrition et metabolisme · 2024Article
- Akt substrate of 160 kDa is essential for the calorie restriction-induced increase in insulin-stimulated glucose uptake by skeletal muscle of female rats.Applied physiology, nutrition, and metabolism = Physiologie appliquee, nutrition et metabolisme · 2023Article
- Greater Phosphorylation of AMPK and Multiple AMPK Substrates in the Skeletal Muscle of 24-Month-Old Calorie Restricted Compared to Ad-Libitum Fed Male Rats.The journals of gerontology. Series A, Biological sciences and medical sciences · 2023Article
- Protective effects of calorie restriction on insulin resistance and islet function in STZ-induced type 2 diabetes rats.Nutrition & metabolism · 2021Article
- Impact of Different Physical Exercises on the Expression of Autophagy Markers in Mice.International journal of molecular sciences · 2021Article
- One Bout of Aerobic Exercise Can Enhance the Expression ofFrontiers in physiology · 2021Article
- Fiber type-specific effects of acute exercise on insulin-stimulated AS160 phosphorylation in insulin-resistant rat skeletal muscle.American journal of physiology. Endocrinology and metabolism · 2019Article
- Prior treatment with the AMPK activator AICAR induces subsequently enhanced glucose uptake in isolated skeletal muscles from 24-month-old rats.Applied physiology, nutrition, and metabolism = Physiologie appliquee, nutrition et metabolisme · 2018Article
- Sirtuins as Mediator of the Anti-Ageing Effects of Calorie Restriction in Skeletal and Cardiac Muscle.International journal of molecular sciences · 2018Review
- Skeletal muscle metabolism in rats with low and high intrinsic aerobic capacity: Effect of aging and exercise training.PloS one · 2018Article
- Effects of Calorie Restriction and Fiber Type on Glucose Uptake and Abundance of Electron Transport Chain and Oxidative Phosphorylation Proteins in Single Fibers from Old Rats.The journals of gerontology. Series A, Biological sciences and medical sciences · 2017Article
- Mitochondrial dysfunction and oxidative stress in metabolic disorders - A step towards mitochondria based therapeutic strategies.Biochimica et biophysica acta. Molecular basis of disease · 2017Review
- Mechanism of insulin resistance in a rat model of kidney disease and the risk of developing type 2 diabetes.PloS one · 2017Article
- Inhibition of Akt2 phosphorylation abolishes the calorie restriction-induced improvement in insulin-stimulated glucose uptake by rat soleus muscle.Applied physiology, nutrition, and metabolism = Physiologie appliquee, nutrition et metabolisme · 2016Article
- Calorie restriction leads to greater Akt2 activity and glucose uptake by insulin-stimulated skeletal muscle from old rats.American journal of physiology. Regulatory, integrative and comparative physiology · 2016Article
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Authors and funding
4 authors at 2 institutions in 2 countries.
Funding
Abstract
Exercise and calorie restriction (CR) can each improve insulin sensitivity in older individuals, but benefits of combining these treatments on skeletal muscle insulin signaling and glucose uptake are poorly understood, especially in predominantly slow-twitch muscles (eg, soleus). Accordingly, our purpose was to determine independent and combined effects of prior acute exercise and CR (beginning at 14 weeks old) on insulin signaling and glucose uptake in insulin-stimulated soleus muscles of 30-month-old rats. CR alone (but not exercise alone) versus ad libitum sedentary controls induced greater insulin-stimulated glucose uptake. There was a main effect of diet (CR > ad libitum) for insulin-stimulated Akt(Ser473) and Akt(Thr308) phosphorylation. CR alone versus ad libitum sedentary increased Akt substrate of 160 kDa (AS160) Ser(588) phosphorylation and TBC1D1 Thr(596), but not AS160 Thr(642) phosphorylation or abundance of GLUT4, GLUT1, or hexokinase II proteins. Combined CR and exercise versus CR alone did not further increase insulin-stimulated glucose uptake although phosphorylation of Akt(Ser473), Akt(Thr308), TBC1D1(Thr596), and AMPK(Thr172) for the combined group exceeded values for CR and/or exercise alone. These results revealed that although the soleus was highly responsive to a CR-induced enhancement of insulin-stimulated glucose uptake, the exercise protocol did not elevate insulin-stimulated glucose uptake, either alone or when combined with CR.
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