Wild-type Zebrafish subjected to swim-training
Ontology highlight
ABSTRACT:
ORGANISM(S): Danio rerio
PROVIDER: GSE42967 | GEO | 2014/07/17
SECONDARY ACCESSION(S): PRJNA183953
REPOSITORIES: GEO
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Project description:Genome-wide microarray analysis of the effects of swim-training on zebrafish larval development. Zebrafish were subjected to swim-training from 5 days post fertilization (dpf) until 10 dpf. Subsequently, we performed a genome-wide microarray analysis of trained and control fish at 10 dpf. The goal of the project was to investigate the effects of swim-training on the gene expression level during zebrafish larval development Two-condition experiment: control vs trained fish. RNA was isolated from 10 control fish and from 10 trained fish. Subsequently, each sample was labeled with Cy3 and Cy5 in order to correct for dye bias. Control-Cy3 and Trained-Cy5 were hybridized on array 1 and Trained-Cy5 and Control-Cy3 were hybridized on array 2.
2014-07-17 | E-GEOD-42967 | biostudies-arrayexpress
Project description:Genome-wide microarray analysis of the effects of swim-training on caudal fin development in zebrafish larvae. Zebrafish were subjected to swim-training from 5 days post fertilization (dpf) until 10 dpf. Subsequently, we performed a genome-wide microarray analysis on the caudal fins of control and trained fish at 10 dpf. The goal of the project was to investigate the effects of swim-training on the gene expression level during caudal fin development in zebrafish larvae.
2014-07-17 | GSE44395 | GEO
Project description:Genome-wide microarray analysis of the effects of swim-training on caudal fin development in zebrafish larvae. Zebrafish were subjected to swim-training from 5 days post fertilization (dpf) until 10 dpf. Subsequently, we performed a genome-wide microarray analysis on the caudal fins of control and trained fish at 10 dpf. The goal of the project was to investigate the effects of swim-training on the gene expression level during caudal fin development in zebrafish larvae. Two-condition experiment: control vs trained fish. RNA was isolated from pooled caudal fins of 15 control fish (in duplo: pooled control samples (C2 and C3)) and of 15 trained fish (in duplo: pooled trained samples( T2 and T3)). Subsequently, each pooled RNA sample of control and trained caudal fins was labeled with Cy3 and Cy5 in order to correct for dye bias. We included a technical replicate of the labeled C2 and T2 samples.
2014-07-17 | E-GEOD-44395 | biostudies-arrayexpress
Project description:Background: Obesity is a worldwide public health problem with increasing prevalence and affects 80% of diabetes mellitus type 2 cases. Zebrafish (Danio rerio) are an established model organism for studying obesity and diabetes including diabetic microvascular complications. We aimed to determine whether physical activity is an appropriate tool to examine training effects in zebrafish and to analyse metabolic and transcriptional processes in trained zebrafish. Methods: A 2- and 8-weeks experimental training phase protocol with adult zebrafish in a swim tunnel system was established. We examined zebrafish basic characteristics before and after training such as body weight, body length and maximum speed and considered overfeeding as an additional parameter in the 8-weeks training protocol. Ultimately, the effects of training and overfeeding on blood glucose, muscle core metabolism and liver gene expression using RNA-Seq were investigated. Results: Zebrafish maximum speed was correlated with body length and was significantly increased after 2 weeks of training. Maximum swim speed further increased after 8 weeks of training in both the normalfed and the overfed groups, but training was found not to be sufficient in preventing weight gain in overfed fish. Metabolome and transcriptome profiling in trained fish exhibited increased blood glucose levels in the short-term and upregulated energy supply pathways in the long-term. Conclusion: Swim training is a valuable tool to study effects of physical activity in zebrafish, which is accompanied by metabolic and transcriptional adaptations.
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Project description:Lipid profiling was performed on hearts and plasma from mice subjected to a physiological stimulus (4 weeks of swim exercise training) or pathological stimulus (4 weeks of pressure overload – transverse aortic constriction; TAC)
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2011-07-01 | E-MTAB-489 | biostudies-arrayexpress
Project description:We used a custom-designed microarray and qPCR to characterize the persistent transcriptional response to long-term habituation training in the marine mollusk Aplysia californica. Aplysia were exposed to either 3 days of spaced long-term habituation training (10 rounds of stimulation/day; each round = 15 min brushing at a 10s ISI; 15 min rest between rounds); a matched set of controls was not exposed to any brushing (n = 8/group). While reflex responsiveness remained stable in controls, trained animals exhibited a large reduction in siphon-withdrawal duration that was evident at stimulation sites across the entire dorsal surface of the body (head, tail, and siphon). This habituation was retained for at least 24 hours after the end of training. Immediately after 24 hour retention tests, pleural ganglia were harvested from each trained animal and its matched control. The pleural ganglia contain the VC nociceptors, which we confirmed are activated by the brush stimulus used to produce habituation. Microarray analysis from 8 biological replicates suggests that long-term habituation training persistently regulates 21 transcripts. We used qPCR to test a subset of these transcripts and found persistent regulation of an putative Aplysia cornichon homolog. Between-subjects comparison of a trained animal to a matched control (matching based on duration of pre-test responsiveness). Conducted with 8 biological replicates, meaning 8 arrays, each comparing 1 trained and 1 matched control.
2014-07-16 | E-GEOD-59448 | 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