Temporal gene expression with 30 days 'spillover' resistance training in the rat tibialis anterior muscle delivered with implantable pulse generators.
Ontology highlight
ABSTRACT:
ORGANISM(S): Rattus norvegicus
PROVIDER: GSE196147 | GEO | 2023/01/25
REPOSITORIES: GEO
Similar Datasets
Project description:Mouse tibialis anterior muscles were electroporated with Nr2f6-myc plasmid or pCMV6 empty vector in the contralateral leg. After 9 days, muscles were collected, and the RNA extracted and processed for microarray analysis.
2024-03-31 | GSE228202 | GEO
Project description:Masseter and Tibialis anterior muscles from adult female control mice to determine expression differences between muscle groups
2007-10-11 | E-MEXP-1288 | biostudies-arrayexpress
Project description:Extraocular muscles (EOMs) are a highly specialized type of tissue with a wide range of unique properties, including characteristic innervation, development, and structural proteins. Even though EOMs are frequently and prominently involved in thyroid-associated diseases, little is known about the immediate effects of thyroid hormone on these muscles. In order to create a comprehensive profile of changes in gene expression levels in EOMs induced by thyroid hormone, hyperthyroid conditions were simulated by treating adult Sprague-Dawley rats with intraperitoneal injections of 25 μg T3 per 100 g body weight over the course of six weeks; subsequently, microarray analysis was used to determine changes in mRNA levels in EOMs from T3-treated animals relative to untreated controls. RNA isolated from tibialis anterior muscles of the same animals was used as a reference fast-twitch muscle.
2009-03-06 | GSE13413 | GEO
Project description:Extraocular muscles (EOMs) are a highly specialized type of tissue with a wide range of unique properties, including characteristic innervation, development, and structural proteins. Even though EOMs are frequently and prominently involved in thyroid-associated diseases, little is known about the immediate effects of thyroid hormone on these muscles. In order to create a comprehensive profile of changes in gene expression levels in EOMs induced by thyroid hormone, hyperthyroid conditions were simulated by treating adult Sprague-Dawley rats with intraperitoneal injections of 25 ?g T3 per 100 g body weight over the course of six weeks; subsequently, microarray analysis was used to determine changes in mRNA levels in EOMs from T3-treated animals relative to untreated controls. RNA isolated from tibialis anterior muscles of the same animals was used as a reference fast-twitch muscle. Adult Sprague-Dawley rats (initial body weight 200 ± 40 g) were fed ad libitum with standard laboratory diet and tap water. Eight rats were randomly divided into a T3-treated and a control group, three males and one female each. To simulate a chronically hyperthyroid state, T3 treatment was administered by intraperitoneal injections of 25 µg T3 (Sigma-Aldrich, St. Louis, MO, U.S.A.) per 100 g body weight. Injections were administered every second day over a period of six weeks. 24 hours after the last injection, the animals were sacrificed by CO2 asphyxiation, muscles were dissected immediately after death. Each of the four biological replicates in each group was used for a single microarray each. RNA from EOMs was used. Tibialis anterior RNA from the same animals served as a fast-twitch reference muscle.
2009-03-06 | E-GEOD-13413 | biostudies-arrayexpress
Project description:Skeletal muscle has an enormous plastic potential and adapts to various stimuli such as mechanical stress, nutrients and hormones. While morphological changes observed in endurance trained muscles are well described, the molecular underpinnings of training adaptation is poorly understood. Therefore, the aim of our study was to define the molecular signature of a trained muscle and unravel the transcriptional responses of untrained and trained muscles to an acute bout of endurance exercise. Our results reveal that even though at baseline, the transcriptome of trained and untrained muscles is very similar, training status substantially affects the transcriptional response to an acute challenge, both quantitatively and qualitatively. Therefore, we provide novel insights into the complex molecular processes that are induced in response to exercise in a temporal- and training status-dependent manner. In addition, our study reveals that the epigenetic landscape contributes to the transcriptional memory of a trained muscle.
2023-08-04 | GSE221831 | GEO
Project description:Skeletal muscle has an enormous plastic potential and adapts to various stimuli such as mechanical stress, nutrients and hormones. While morphological changes observed in endurance trained muscles are well described, the molecular underpinnings of training adaptation is poorly understood. Therefore, the aim of our study was to define the molecular signature of a trained muscle and unravel the transcriptional responses of untrained and trained muscles to an acute bout of endurance exercise. Our results reveal that even though at baseline, the transcriptome of trained and untrained muscles is very similar, training status substantially affects the transcriptional response to an acute challenge, both quantitatively and qualitatively. Therefore, we provide novel insights into the complex molecular processes that are induced in response to exercise in a temporal- and training status-dependent manner. In addition, our study reveals that the epigenetic landscape contributes to the transcriptional memory of a trained muscle.
2023-08-04 | GSE221210 | GEO
Project description:Skeletal muscle has an enormous plastic potential to adapt to various external and internal
perturbations. While morphological changes in endurance-trained muscles are well-described,
the molecular underpinnings of training adaptation are poorly understood. We aimed at
defining the molecular signature of a trained muscle and unraveling the training status-
dependent responses to an acute bout of exercise. Our results reveal that even though at
baseline, the transcriptomes of trained and untrained muscles are very similar, training status
substantially affects the transcriptional response to an acute challenge, both quantitatively and
qualitatively, in part mediated by epigenetic modifications. Furthermore, proteomic changes
were elicited by different transcriptional modalities. Finally, transiently activated factors such
as the peroxisome proliferator-activated receptor gamma coactivator 1alpha (PGC-1alpha) are indispensable
for normal training adaptation. Together, these results provide a molecular framework of the
temporal and training status-dependent exercise response that defines muscle plasticity in
training.
2023-06-19 | MSV000092203 | MassIVE
Project description:The extraocular muscles (EOM) are anatomically and physiologically distinct from other skeletal muscles. EOM are preferentially affected in mitochondrial myopathies, but spared in Duchenne's muscular dystrophy. The anatomical and pathophysiological properties of EOM have been attributed to their unique molecular makeup: an allotype. We used expression profiling to define molecular features of the EOM allotype. We found 346 differentially expressed genes in rat EOM compared with tibialis anterior, based on a twofold difference cutoff. Genes required for efficient, fatigue-resistant, oxidative metabolism were increased in EOM, whereas genes for glycogen metabolism were decreased. EOM also showed increased expression of genes related to structural components of EOM such as vessels, nerves, mitochondria, and neuromuscular junctions. Additionally, genes related to specialized functional roles of EOM such as the embryonic and EOM-specific myosin heavy chains and genes for muscle growth, development, and/or regeneration were increased. The EOM expression profile was validated using biochemical, structural, and molecular methods. Characterization of the EOM expression profile begins to define gene transcription patterns associated with the unique anatomical, metabolic, and pathophysiological properties of EOM.
2007-10-10 | E-GEOD-471 | biostudies-arrayexpress
Project description:To investigate the role of the circadian clock gene Bmal1 in skeletal muscle, we compared the circadian transcriptomes of fast tibialis anterior (TA) and slow soleus (SOL) skeletal muscles from muscle-specific Bmal1 KO (mKO) and their control Cre- littermates (Ctrl). Keyword: Circadian Transcriptome, time course
2014-01-01 | GSE43071 | GEO
Project description:High-intensity intermittent exercise training (HIIT) has been proposed as an effective approach for improving both anaerobic and aerobic capacities. However, the molecular response of muscles to HIIT remains unknown. We used microarray to examine the effects of HIIT on global gene expression in human skeletal muscle.
2018-11-30 | GSE109657 | GEO