Analysis of gastrocnemius muscle transcriptome from chow fed control and skeletal muscle HuR knockout mice with and without voluntary wheel running
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ABSTRACT:
PROVIDER: PRJNA1108666 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR28956500.fastq.gz | Fastqsanger.gz | |||
| SRR28956501.fastq.gz | Fastqsanger.gz | |||
| SRR28956502.fastq.gz | Fastqsanger.gz | |||
| SRR28956503.fastq.gz | Fastqsanger.gz | |||
| SRR28956504.fastq.gz | Fastqsanger.gz |
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Project description:To determine the effects of 10 weeks of voluntary wheel running on skeletal muscle gene expression in mice with and without skeletal muscle HuR knockout, we assessed gastrocnemius muscle in chow-fed control and skeletal muscle HuR knockout mice using RNA-seq
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Project description:Exercise improves brain function enhancing neuronal plasticity and cognitive enhancement. For voluntary resistance wheel running (RWR) exercise, with a load of 30% of body weight, we reported enhancement of neurogenesis and spatial memory associated with hippocampal brain-derived neurotrophic factor (BDNF) signaling compared to wheel running (WR) without a load (Lee et al., 2012; Lee et al., 2013). Despite these new evidences, mechanisms for RWR-induced improvement of hippocampal function remained to be clarified. In the present study, we have utilized the high-throughput DNA microarray approach to gain deep insight into molecular mechanisms underlying these changes that could be novel targets of RWR-induced hippocampal plasticity. To do so, whole genome (4x44K) high-density oligonucleotide microarrays were used to monitor the expression level of gene transcripts in the hippocampus of rats voluntary running for 4 weeks in comparison with sedentary animals. These rats showed a significant decrease in average running distance although average work levels immensely increased 12-fold in the RWR group, resulting in muscular adaptation for the fast-twitch plantaris muscle. DNA microarray analysis revealed that 122 (sedentary x WR) and 157 (sedentary x RWR) genes were up-regulated (> 1.5-fold change) as compared with 97 (sedentary x WR) and 467 (sedentary x RWR) down-regulated genes (< 0.75-fold change). Functional categorization using the Ingenuity Pathway Analysis (IPA) revealed expression pattern changes in the major categories of disease and disorders, molecular functions and physiological system development and function. Among these, RWR up-regulated genes such as NFATc1, AVPR1A and FGFR4, which are crucial role for neuronal development and its functions. The down-regulated inflammatory cytokines (IL1B, IL10, IL2RA, TNF) and chemokines (CXCL1, CXCL9, CXCL10, CCL2, CCL13, CCR4) might be important to neuronal dysfunction and vulnerability. Taken together, these gene candidates are suggested to play a critical role in hippocampal plasticity. This is a first study presenting not only new information into the voluntary RWR influenced transcriptome in the rat hippocampus, but also provides a hypothesis for the RWR influenced enhancement in brain function.
2014-10-09 | GSE52516 | GEO
Project description:Effects of Voluntary Running Wheel Exercise-induced Extracellular Vesicles on Anxiety
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Project description:Exercise improves brain function enhancing neuronal plasticity and cognitive enhancement. For voluntary resistance wheel running (RWR) exercise, with a load of 30% of body weight, we reported enhancement of neurogenesis and spatial memory associated with hippocampal brain-derived neurotrophic factor (BDNF) signaling compared to wheel running (WR) without a load (Lee et al., 2012; Lee et al., 2013). Despite these new evidences, mechanisms for RWR-induced improvement of hippocampal function remained to be clarified. In the present study, we have utilized the high-throughput DNA microarray approach to gain deep insight into molecular mechanisms underlying these changes that could be novel targets of RWR-induced hippocampal plasticity. To do so, whole genome (4x44K) high-density oligonucleotide microarrays were used to monitor the expression level of gene transcripts in the hippocampus of rats voluntary running for 4 weeks in comparison with sedentary animals. These rats showed a significant decrease in average running distance although average work levels immensely increased 12-fold in the RWR group, resulting in muscular adaptation for the fast-twitch plantaris muscle. DNA microarray analysis revealed that 122 (sedentary x WR) and 157 (sedentary x RWR) genes were up-regulated (> 1.5-fold change) as compared with 97 (sedentary x WR) and 467 (sedentary x RWR) down-regulated genes (< 0.75-fold change). Functional categorization using the Ingenuity Pathway Analysis (IPA) revealed expression pattern changes in the major categories of disease and disorders, molecular functions and physiological system development and function. Among these, RWR up-regulated genes such as NFATc1, AVPR1A and FGFR4, which are crucial role for neuronal development and its functions. The down-regulated inflammatory cytokines (IL1B, IL10, IL2RA, TNF) and chemokines (CXCL1, CXCL9, CXCL10, CCL2, CCL13, CCR4) might be important to neuronal dysfunction and vulnerability. Taken together, these gene candidates are suggested to play a critical role in hippocampal plasticity. This is a first study presenting not only new information into the voluntary RWR influenced transcriptome in the rat hippocampus, but also provides a hypothesis for the RWR influenced enhancement in brain function. 10-week-old male Wistar rats were randomly allocated to three groups: (1) housed in standard cages and used as non-active controls (sedentary, n = 10), (2) wheel running with no resistance (WR, n = 8), and (3) housed in cages with resistance running wheels with an adjustable resistance (RWR, n = 8). Rats of both running wheel groups (WR and RWR) were housed individually and had free access to a specially designed running wheel apparatus for 24 h/day. Between 08:00 and 12:00 on the day after the final day of exercise, the animals were immediately decapitated using a guillotine. The hippocampi were rapidly dissected, snap frozen in liquid nitrogen and stored at —80°C prior to further analysis. The deep-frozen hippocampi were transferred to a precooled (in liquid nitrogen) mortar and ground with a pestle to a very fine powder with liquid nitrogen. Total RNA was extracted and validated followed by checking subsequently synthesized cDNA by RT-PCR. A rat 4x44K whole genome oligo DNA microarray chip was used for global gene expression analysis using the hippocampi. Fluorescently labeled targets of Sed, WR and RWR samples were hybridized to the same microarray slide with 60-mer probes. A flip labeling (dye swap or reverse labeling with Cy3 and Cy5 dyes) procedure was followed to nullify the dye bias associated with unequal incorporation of the two Cy dyes into cDNA. Briefly, to select differentially expressed genes, we identified genes that were up regulated in chip 1 (Cy3/Cy5 label for sedentary and WR, respectively) but down regulated in chip 2 (Cy3/Cy5 label for WR and sedentary, respectively) for the hippocampus. The same selection criteria were applied for chips 3-4 (sedentary and RWR). Hybridization and wash processes were performed according to the manufacturer’s instructions, and hybridized microarrays were scanned using an agilent microarray scanner. The functional and network analysis were generated through the use of IPA (Ingenuity® Systems, www.ingenuity.com). To validate gene changes in array data and test the BDNF signaling-related molecules and expression of select transcripts were determined by quantitative real-time RT-PCR.
2014-10-09 | E-GEOD-52516 | biostudies-arrayexpress
Project description:This analysis was done to determine which muscle group has the most skeletal muscle transcriptional reponses to wheel running activity. Seven male mice with C57BL/6 genetic background were placed individually in cages with running wheels and allowed free access to the wheels 24 hr per day. Access to running wheels began when the mice were 6 months old, and continued for 12 weeks. The morning after the night of running, the mice were euthanized and several muscle groups were snap froze in liquid nitrogen to preserve RNA. The same muscle groups were collected from three age-matched "sedentary" mice that were housed in ordinary cages that did not permit sustained running. For each muscle group, separate pools of polyadenylated RNA from the sedentary and wheel-running mice were prepared for deep sequencing of cDNA with the SOLiD 3 platform. Four muscle groups were examined (quadriceps femoris; gastrocnemius/plantaris; tibialis anterior; triceps brachii). For each muscle, RNA was pooled from 3 sedentary or 7 wheel-running mice (8 pools total).
2011-09-03 | E-GEOD-31843 | biostudies-arrayexpress
Project description:Few studies have investigated heterogeneity of selection response in replicate lines subjected to equivalent selection. We developed 4 replicate lines of mice based on high levels of voluntary wheel running (high runner or HR lines) while also maintaining 4 non-selected control lines. This led to the unexpected discovery of the HR mini-muscle (HRmini) phenotype, recognized by a 50% reduction in hindlimb muscle mass, which became fixed in 1 of the 4 HR selected lines. Here, we report genome-wide expression profiling describing transcriptome differences between HRnormal and HRmini medial gastrocnemius. This work provides a resource for understanding differences in muscle phenotypes in populations exhibiting high running capacity. Male mice were used from an animal model of 4 closed lines selectively bred for high voluntary wheel-running behaviour (HR) and 4 control lines bred without intentional selection, described in Swallow et al. Animals used in the current work were sampled from generation 37 at a mean age of 84 days (range = 79-86). For microarray analysis, we used gastrocnemius muscles (including both lateral and medial portions) from HRmini line #3 and HRnormal line #8 (n = 6, in each group). To obtain sufficient RNA, gastrocnemius samples of HRmini were pooled from left and right limbs from each animal, whereas HRnormal gastrocnemius was sampled from either left or right limb only.
2013-02-19 | E-GEOD-41910 | biostudies-arrayexpress
Project description:This analysis was done to determine which muscle group has the most skeletal muscle transcriptional reponses to wheel running activity. Seven male mice with C57BL/6 genetic background were placed individually in cages with running wheels and allowed free access to the wheels 24 hr per day. Access to running wheels began when the mice were 6 months old, and continued for 12 weeks. The morning after the night of running, the mice were euthanized and several muscle groups were snap froze in liquid nitrogen to preserve RNA. The same muscle groups were collected from three age-matched "sedentary" mice that were housed in ordinary cages that did not permit sustained running. For each muscle group, separate pools of polyadenylated RNA from the sedentary and wheel-running mice were prepared for deep sequencing of cDNA with the SOLiD 3 platform.
2011-09-03 | GSE31843 | GEO