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Acute and long-term exercise adaptation of adipose tissue and skeletal muscle in humans: a matched transcriptomics approach after 8-week training-intervention

ABSTRACT: The participants performed an 8-week supervised aerobic endurance exercise intervention program. Biopsies of both adipose tissue and skeletal muscle were collected at associated timepoints and a matched analysis was performed.

ORGANISM(S): Homo sapiens

PROVIDER: GSE161750 | GEO | 2023/08/09

REPOSITORIES: GEO

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Acute and long-term exercise adaptation of adipose tissue and skeletal muscle in humans: a matched transcriptomics approach after 8-week training-intervention

Project description:The participants performed an 8-week supervised aerobic endurance exercise intervention program. Biopsies of both adipose tissue and skeletal muscle were collected at associated timepoints and a matched analysis was performed.

2023-08-09 | GSE161749 | GEO

Acute versus long-term exercise adaptation of adipose tissue and skeletal muscle in humans: A matched transcriptomics approach after 8-week training-intervention

2023-02-01 | GSE224310 | GEO

Analysis of human subcutaneous adipose tissue from an 8-week training-intervention

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Skeletal muscle methylation signatures of obese high- and low- responders to endurance exercise training

Project description:The participants performed 8 weeks of superised aerobic endurance exercise. Skeletal muscle biopsise were taken at rest before and after intervention and matched analysis was performed.

2024-04-24 | GSE244359 | GEO

Skeletal Muscle Transcriptomic Responses to Chronic Concurrent Exercise Training

Project description:Combining resistance and endurance exercises in a training regime (concurrent training) can impair improvements in muscle hypertrophy, strength, and power compared to resistance training alone. Here we aimed to characterize skeletal muscle transcriptomic changes following chronic concurrent training to determine whether contraction-induced gene expression may reveal molecular underpinnings explaining impaired adaptations. Eighteen young, healthy male participants underwent 12 weeks of resistance, endurance, or concurrent training. Maximal strength, aerobic capacity, and anaerobic power were assessed. Transcriptomics were performed on skeletal muscle biopsies obtained pre and post-intervention. Improvements to maximal anaerobic power are impaired with concurrent and endurance training. Gene expression related to plasma membrane structures was enriched while gene expression related to regulation of mRNA processing and protein degradation was suppressed with concurrent training. Considerable overlap of gene expression related to extracellular matrix remodeling was observed between concurrent and endurance training. Our results provide the first comprehensive comparison of unique and overlapping gene sets enriched following chronic resistance, endurance, and concurrent training, and reveals pathways that may have implications in relation to impaired adaptations when undertaking concurrent training.

2023-04-01 | GSE137832 | GEO

Vastus lateralis biopsies from healthy and COPD patients before and after 8 weeks of exercise training

Project description:Study the training exercise effects in chronic obstructive pulmonary disease (COPD) patients and aged-matched healthy individuals. Skeletal muscle biopsies from 9 stable COPD patients with normal fat free mass index (FFMI, 21Kg/m2) (COPDN), 6 COPD patients with low FFMI (16Kg/m2) (COPL), and 12 healthy sedentary subjects (FFMI 21Kg/m2) before and after 8 weeks of a supervised endurance exercise program were analyzed. Samples were collected from open biopsies from the musculus vastus lateralis of COPD patients and healthy individuals before and after 8 weeks of exercise training. Constant-work rate exercise at 70% of pre-training Watts peak (Wpeak) (CardiO2 cycle Medical Graphics Corporation, USA) was carried out before and after 8 weeks of supervised interval training with a cycloergometer until pre-training endurance time exhaustion. Measurements before and after training were obtained at isowork-rate and iso-time.

2013-11-16 | E-GEOD-27536 | biostudies-arrayexpress

Acute and long-term exercise adaptation of adipose tissue and skeletal muscle in humans: a matched transcriptomics approach after 8-week training-intervention.

Project description:BackgroundExercise exerts many health benefits by directly inducing molecular alterations in physically utilized skeletal muscle. Molecular adaptations of subcutaneous adipose tissue (SCAT) might also contribute to the prevention of metabolic diseases.AimTo characterize the response of human SCAT based on changes in transcripts and mitochondrial respiration to acute and repeated bouts of exercise in comparison to skeletal muscle.MethodsSedentary participants (27 ± 4 yrs) with overweight or obesity underwent 8-week supervised endurance exercise 3×1h/week at 80% VO2peak. Before, 60 min after the first and last exercise bout and 5 days post intervention, biopsies were taken for transcriptomic analyses and high-resolution respirometry (n = 14, 8 female/6 male).ResultsIn SCAT, we found 37 acutely regulated transcripts (FC > 1.2, FDR < 10%) after the first exercise bout compared to 394, respectively, in skeletal muscle. Regulation of only 5 transcripts overlapped between tissues highlighting their differential response. Upstream and enrichment analyses revealed reduced transcripts of lipid uptake, storage and lipogenesis directly after exercise in SCAT and point to β-adrenergic regulation as potential major driver. The data also suggest an exercise-induced modulation of the circadian clock in SCAT. Neither term was associated with transcriptomic changes in skeletal muscle. No evidence for beigeing/browning was found in SCAT along with unchanged respiration.ConclusionsAdipose tissue responds completely distinct from adaptations of skeletal muscle to exercise. The acute and repeated reduction in transcripts of lipid storage and lipogenesis, interconnected with a modulated circadian rhythm, can counteract metabolic syndrome progression toward diabetes.

| S-EPMC10113153 | biostudies-literature

Exercise Training Effects on Human Skeletal Muscle DNA Methylation

Project description:This study aimed to determine skeletal muscle DNA methylation changes in a cohort of volunteers with a range of insulin sensitivities following 8-weeks of supervised exercise training. We studied 13 sedentary participants (5M/8F, 34.6 ± 3.1 years) and performed euglycemic hyperinsulinemic clamps with vastus lateralis muscle biopsies and peak aerobic activity (VO2 peak) tests before and after training. We extracted DNA from the muscle biopsies and performed global methylation using Illumina's Methylation EPIC 850K BeadChip.

2022-03-01 | E-MTAB-11282 | biostudies-arrayexpress

Dynamics of the human skeletal muscle transcriptome in response to exercise training - part 1

Project description:A total of 23 participants (data available in present submission and in GSE58608) completed three months of supervised aerobic exercise training of one leg. Skeletal muscle biopsies have been collected before and after the training period. We have investigated differences between trained and untrained leg and before and after training by studying the gene and isoform expression. Additional samples present in this study has been previously published (GEO accession number GSE58608). Analysis of transcriptome in skeletal muscle biopsy samples in response to exercise training in 22 participants (of the total 23 participants). One biopsy is collected from each leg before and after training period.

2015-01-21 | E-GEOD-60590 | biostudies-arrayexpress

Dynamics of the human skeletal muscle transcriptome in response to exercise training - part 2

Project description:In the present study 23 participants completed three months of supervised aerobic exercise training of one leg (training period 1) followed by 9 months of rest before 12 of the participants completed a second exercise training period (training period 2) of three months of both legs. Skeletal muscle biopsies have been collected before and after the training periods. We have compared trained leg with untrained leg and studied gene and isoform expression. Additional samples included in this study has been previously submitted (GEO accession number GSE58387 and GSE60590).

2016-08-14 | GSE60833 | GEO

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