دورية أكاديمية
Effect of Interleukin-15 Receptor Alpha Ablation on the Metabolic Responses to Moderate Exercise Simulated by in vivo Isometric Muscle Contractions.
العنوان: | Effect of Interleukin-15 Receptor Alpha Ablation on the Metabolic Responses to Moderate Exercise Simulated by in vivo Isometric Muscle Contractions. |
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المؤلفون: | Loro E; Department of Physiology, Pennsylvania Muscle Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States., Jang C; Department of Chemistry, Lewis-Sigler Institute for Integrative Genomics, Princeton University, Princeton, NJ, United States., Quinn WJ 3rd; Institute for Diabetes, Obesity, and Metabolism, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States., Baur JA; Department of Physiology, Institute for Diabetes, Obesity, and Metabolism, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States., Arany ZP; Department of Medicine, Penn Cardiovascular Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States., Khurana TS; Department of Physiology, Pennsylvania Muscle Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States. |
المصدر: | Frontiers in physiology [Front Physiol] 2019 Nov 26; Vol. 10, pp. 1439. Date of Electronic Publication: 2019 Nov 26 (Print Publication: 2019). |
نوع المنشور: | Journal Article |
اللغة: | English |
بيانات الدورية: | Publisher: Frontiers Research Foundation Country of Publication: Switzerland NLM ID: 101549006 Publication Model: eCollection Cited Medium: Print ISSN: 1664-042X (Print) Linking ISSN: 1664042X NLM ISO Abbreviation: Front Physiol Subsets: PubMed not MEDLINE |
أسماء مطبوعة: | Original Publication: Lausanne : Frontiers Research Foundation |
مستخلص: | Lack of interleukin 15 receptor alpha (IL15RA) increases spontaneous activity, exercise capacity and protects from diet-induced obesity by enhancing muscle energy metabolism, suggesting a role as exercise mimetic for IL15RA antagonists. Using controlled in vivo muscle stimulation mimicking moderate exercise in normal and Il15ra -/- mice, we mapped and contrasted the metabolic pathways activated upon stimulation or deletion of IL15RA. Stimulation caused the differential regulation of 123 out of the 321 detected metabolites (FDR ≤ 0.05 and fold change ≥ ±1.5). The main energy pathways activated were fatty acid oxidation, nucleotide metabolism, and anaplerotic reactions. Notably, resting Il15ra -/- muscles were primed in a semi-exercised state, characterized by higher pool sizes of fatty acids oxidized to support muscle activity. These studies identify the role of IL15RA in the system-wide metabolic response to exercise and should enable translational studies to harness the potential of IL15RA blockade as a novel exercise mimetic strategy. (Copyright © 2019 Loro, Jang, Quinn, Baur, Arany and Khurana.) |
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فهرسة مساهمة: | Keywords: exercise; exercise mimetics; fatty acid oxidation; in vivo stimulation; interleukin-15 receptor alpha; metabolism; metabolomics; muscle |
تواريخ الأحداث: | Date Created: 20191219 Latest Revision: 20201001 |
رمز التحديث: | 20240829 |
مُعرف محوري في PubMed: | PMC6901992 |
DOI: | 10.3389/fphys.2019.01439 |
PMID: | 31849697 |
قاعدة البيانات: | MEDLINE |
تدمد: | 1664-042X |
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DOI: | 10.3389/fphys.2019.01439 |