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MiRNAs expression of soleus response to simulated microgravity

ABSTRACT: Identification of gravisensitive miRNAs expression in rat soleus muscle exposed to 7 and 14 days of Hindlimb suspension (HS) simulated microgravity. Microgravity causes muscle atrophy possibly due to muscle wasting overtake regeneration. Results provide insight into the molecular mechanisms regulating muscle atrophy. The expression of 23 out of 174 miRNAs was found to change at least 2-fold of 7 and/or 14 days of TS. By using real-time PCR assays, we verified the microarray data using some of the expected genes.

ORGANISM(S): synthetic construct Rattus norvegicus

PROVIDER: GSE52055 | GEO | 2013/11/05

SECONDARY ACCESSION(S): PRJNA226597

REPOSITORIES: GEO

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miRNAs expression of soleus response to simulated microgravity

Project description:Identification of gravisensitive miRNAs expression in rat soleus muscle exposed to 7 and 14 days of Hindlimb suspension (HS) simulated microgravity. Microgravity causes muscle atrophy possibly due to muscle wasting overtake regeneration. Results provide insight into the molecular mechanisms regulating muscle atrophy. The expression of 23 out of 174 miRNAs was found to change at least 2-fold of 7 and/or 14 days of TS. By using real-time PCR assays, we verified the microarray data using some of the expected genes. The tissue was collected from Sprague-Dawley rats (8 weeks of age) subjected to 7, 14days of TS. miRNA expression profile was determined in three groups: control (CN), TS for 7 days (TS-7), and TS for 14 days (TS-14).Three miRNA microarray chips were analyzed for mixture of four samples of each of the three groups.

2013-11-05 | E-GEOD-52055 | biostudies-arrayexpress

Gene expression of soleus response to simulated microgravity

2013-11-05 | GSE52056 | GEO

Gene expression of soleus response to simulated microgravity

Project description:Identification of gravisensitive gene expression in rat soleus muscle exposed to 7 and 14 days of Hindlimb suspension (HS) simulated microgravity. Microgravity causes muscle atrophy possibly due to muscle wasting overtake regeneration. Results provide insight into the molecular mechanisms regulating muscle atrophy. The expression of 787 (373 upregulated and 414 downregulated) and 923 (491 upregulated and 432 downregulated) genes out of 28000 was altered respectively at least 2-fold of 7 and 14 days TS, which represented 397 (233 upregulated and 164 downregulated) genes of common alteration. By using real-time PCR assays, we verified the microarray data using some of the expected genes. The tissue was collected from Sprague-Dawley rats (8 weeks of age) subjected to 7, 14days of TS. mRNA expression profile was determined in three groups: control (CN), TS for 7 days (TS-7), and TS for 14 days (TS-14).Three mRNA microarray chips were analyzed for mixture of four samples of each of the three groups.

2013-11-05 | E-GEOD-52056 | biostudies-arrayexpress

Global gene expression analysis highlights microgravity sensitive key genes in soleus and EDL of 30 days space flown mice

Project description:Microgravity exposure as well as chronic muscle disuse are two of the main causes of physiological adaptive skeletal muscle atrophy in humans and murine animals in physiological condition. The aim of this study was to investigate, at both morphological and global gene expression level, skeletal muscle adaptation to microgravity in mouse soleus and extensor digitorum longus (EDL). Adult male mice C57BL/N6 were flown aboard the BION-M1 biosatellite for 30 days on orbit (BF) or housed in a replicate flight habitat on Earth (BG) as reference flight control. In this study, we investigated for the first time gene expression adaptation to 30 days of microgravity exposure in mouse soleus and EDL, highlighting potential new targets for improvement of countermeasures able to ameliorate or even prevent microgravity-induced atrophy in future spaceflights.

2017-01-15 | GSE80223 | GEO

Expression profiling of soleus muscle under the effect of simulated spaceflight

Project description:Spaceflight imposes the risk of skeletal muscle atrophy for astronauts. The understanding of muscle atrophy because of spaceflight is limited, but continued efforts are essential for developing countermeasures of this effect. A distinct difference between spaceflight-induced muscle atrophy and other forms of atrophy is the additional effect of cosmic rays in outer space. To study spaceflight-induced muscle atrophy, we performed two ground-based models of microgravity in a low dose radiation environment and studied transcriptional changes in rat soleus muscle using microarray technology.

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PolyA RNA sequencing of gastrocnemius and soleus muscles of WT and LSD1-mKO mice under dexamethasone administration

Project description:To understand the role of LSD1 in transcriptional regulation in muscle under glucocorticoid stress, RNA-seq analyses of gastrocnemius and soleus muscles of skeletal muscle-specific LSD1 KO mice (LSD1-mKO mice) and WT mice after dexamethasone were carried out. We found that LSD1 inhibition led to increased expression of muscle atrophy associated genes and slow fiber genes in gastrocnemius muscle but not in soleus muscle.

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Jakyak-gamcho-tang ameliorates dexamethasone (DEX)-induced muscle atrophy and muscle dysfunction [Gastrocnemius and Soleus]

Project description:Jakyak-gamcho-tang (JGT) is a herbal medicine that has been traditionally prescrived for pain control including muscular pain. Muscle atrophy is a disease that is characterized with a gradual muscle loss. Muscle atrophy is clearly observed in experimental animals that receive a repeated high-dose of an artificial glucocorticoid, dexamethasone (DEX). This transcriptome analysis aims to investigate the changes in global gene expression profiles in gastrocnemius (GA) and soleus (SO) muscle tissues from mice with DEX-induced muscle atrophy in the presence or absence of JGT co-treatment.

2023-03-21 | GSE227495 | GEO

Comparative Transcriptomic Signature of the Simulated Microgravity Response in C. elegans

Project description:N2 worms were cultured in ground control conditions for three weeks, exposed to simulated microgravity for four days. Next, the maintained impact in the gene expression after the exposure was investigated after return to ground condition on days four, eight, and twelve.

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Soleus response to simulated microgravity

Project description:This SuperSeries is composed of the SubSeries listed below.

2013-11-05 | GSE52057 | GEO

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Project description:The below table includes a smaller list of data that was analyzed by dChip and filtered by pvalue such that a file with about 4600 genes was obtained, which allowed for ease of use from 40,000 genes. Keywords: static vs simulated microgravity

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