ArticleDiabetes2015
Prior AICAR stimulation increases insulin sensitivity in mouse skeletal muscle in an AMPK-dependent manner.
Article in Diabetes, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 70 papers, 1 of them a synthesis that pooled it.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
70 citing papers in PubMed, 1 synthesis or guideline pooled it, 133 citations in OpenAlex.
- AICAr, a Widely Used AMPK Activator with Important AMPK-Independent Effects: A Systematic Review.Cells · 2021Pooled it
- Improvements in glucose metabolism after high-, but not low-, volume strength exercise in individuals with obesity are associated with baseline insulin resistance: a secondary analysis from a randomized clinical trial.European journal of applied physiology · 2026Trial
- Effect of exercise training on skeletal muscle protein expression in relation to insulin sensitivity: Per-protocol analysis of a randomized controlled trial (GO-ACTIWE).Physiological reports · 2021Trial
- TBC1D4-Related Monogenic Diabetes: Molecular Mechanisms, Clinical Recognition, and Therapeutic Implications.Journal of diabetes · 2026Review
- The metabolic sensor AMPK: Twelve enzymes in one.Molecular metabolism · 2024Review
- Donepezil improves skeletal muscle insulin resistance in obese mice via the AMPK/FGF21-mediated suppression of inflammation and ferroptosis.Archives of pharmacal research · 2024Article
- Genetic reduction of skeletal muscle glycogen synthase 1 abundance reveals that the refeeding-induced reversal of elevated insulin-stimulated glucose uptake after exercise is not attributable to achieving a high muscle glycogen concentration.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2024Article
- New concepts in the roles of AMPK in adipocyte stem cell biology.Essays in biochemistry · 2024Review
- AMPK as a mediator of tissue preservation: time for a shift in dogma?Nature reviews. Endocrinology · 2024Review
- Phosphorylation of AS160-serine 704 is not essential for exercise-increase in insulin-stimulated glucose uptake by skeletal muscles from female or male rats.American journal of physiology. Endocrinology and metabolism · 2024Article
- 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
- AMPKγ3 Controls Muscle Glucose Uptake in Recovery From Exercise to Recapture Energy Stores.Diabetes · 2023Article
- Adenosine monophosphate-activated protein kinase is elevated in human cachectic muscle and prevents cancer-induced metabolic dysfunction in mice.Journal of cachexia, sarcopenia and muscle · 2023Article
- An AMP Kinase-pathway dependent integrated stress response regulates ageing and longevity.Biogerontology · 2023Article
- AS160 expression, but not AS160 Serine-588, Threonine-642, and Serine-704 phosphorylation, is essential for elevated insulin-stimulated glucose uptake by skeletal muscle from female rats after acute exercise.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2023Article
- Microtubule-mediated GLUT4 trafficking is disrupted in insulin-resistant skeletal muscle.eLife · 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
- Illumination of the Endogenous Insulin-Regulated TBC1D4 Interactome in Human Skeletal Muscle.Diabetes · 2022Article
- AMPK and the Adaptation to Exercise.Annual review of physiology · 2022Review
- Article
10 more citing papers are in PubMed but not listed here.
Corrections and comments
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Authors and funding
10 authors at 5 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
An acute bout of exercise increases glucose uptake in skeletal muscle by an insulin-independent mechanism. In the period after exercise, insulin sensitivity to increased glucose uptake is enhanced. The molecular mechanisms underpinning this phenomenon are poorly understood but appear to involve an increased cell surface abundance of GLUT4. While increased proximal insulin signaling does not seem to mediate this effect, elevated phosphorylation of TBC1D4, a downstream target of both insulin (Akt) and exercise (AMPK) signaling, appears to play a role. The main purpose of this study was to determine whether AMPK activation increases skeletal muscle insulin sensitivity. We found that prior AICAR stimulation of wild-type mouse muscle increases insulin sensitivity to stimulate glucose uptake. However, this was not observed in mice with reduced or ablated AMPK activity in skeletal muscle. Furthermore, prior AICAR stimulation enhanced insulin-stimulated phosphorylation of TBC1D4 at Thr(649) and Ser(711) in wild-type muscle only. These phosphorylation events were positively correlated with glucose uptake. Our results provide evidence to support that AMPK activation is sufficient to increase skeletal muscle insulin sensitivity. Moreover, TBC1D4 phosphorylation may facilitate the effect of prior AMPK activation to enhance glucose uptake in response to insulin.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.