E-MTAB-7794
Ontology highlight
ABSTRACT:
PROVIDER: E-MTAB-7794 | ExpressionAtlas | 2019-09-09
REPOSITORIES: ExpressionAtlas
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Project description:RNA-Seq in midbrain of Coq9R239X mice treated with Rapamycin
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Project description:To analyze the influence of mTOR activity on TN cells, RNA-seq analysis was performed on splenic TN cells from mice treated or not treated with the mTOR inhibitor Rapamycin.
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Project description:We performed single cell RNA sequencing on peripheral blood leukocytes from BALB/c mice and IL1rn-deficient mice treated with vehicle or rapamycin
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Project description:We used gene transcript profiling to gain a deeper understanding of the role of FBXW7 in tumor development and to determine the influence of mTOR inhibition by rapamycin on tumor transcriptome and biological functions. In comparison to tumors from p53 single heterozygous (p53+/-) mice, we find that tumors from Fbxw7/p53 double heterozygous (Fbxw7+/-p53+/-) mice show significant deregulation of cholesterol metabolic processes independent of rapamycin treatment, while cell cycle related genes were upregulated in tumors from placebo treated Fbxw7+/-p53+/- mice, but not in tumors from rapamycin treated Fbxw7+/-p53+/- mice. On the other hand, tumors from rapamycin treated Fbxw7+/-p53+/- mice were enriched for genes involved in the integrated stress response, an adaptive mechanism to survive in stressful environments. p53+/â and p53+/âFbxw7+/â mice were generated by crossing p53-/- mice with Fbxw7+/- mice. At 5 weeks of age, mice were exposed whole-body to a single dose of 4 Gy X-ray irradiation. Mice were divided randomly into two groups and treated with rapamycin or placebo. RNA was isolated from thymic lymphomas.
2015-10-31 | E-GEOD-71975 | biostudies-arrayexpress
Project description:Analysis of rapamycin effects on white adipose tissue at gene expression level. The hypothesis tested in the present study was that rapamycin could modify immune cell composition and inflammatory state of the adipose tissue of obese mice. Total RNA prepared from the adipose tissue of obese mice treated with rapamycin or its excipient solution (referred as vehicle), compared to adipose tissue of lean mice.
2014-02-01 | E-GEOD-53980 | biostudies-arrayexpress
Project description:We used gene transcript profiling to gain a deeper understanding of the role of FBXW7 in tumor development and to determine the influence of mTOR inhibition by rapamycin on tumor transcriptome and biological functions. In comparison to tumors from p53 single heterozygous (p53+/-) mice, we find that tumors from Fbxw7/p53 double heterozygous (Fbxw7+/-p53+/-) mice show significant deregulation of cholesterol metabolic processes independent of rapamycin treatment, while cell cycle related genes were upregulated in tumors from placebo treated Fbxw7+/-p53+/- mice, but not in tumors from rapamycin treated Fbxw7+/-p53+/- mice. On the other hand, tumors from rapamycin treated Fbxw7+/-p53+/- mice were enriched for genes involved in the integrated stress response, an adaptive mechanism to survive in stressful environments.
2015-10-31 | GSE71975 | GEO
Project description:We performed RNA-seq in wild-type yeast, a strain lacking INO80, and a strain lacking ARP5, central components of the INO80 chromatin remodelling complex, treated with rapamycin
2018-02-02 | GSE103468 | GEO
Project description:Purpose: Despite demonstrating that the overall effect of long-term rapamycin-treatment is overwhelmingly positive in aging skeletal muscle, we observed muscle-specificity in the responsiveness to rapamycin, leading us to hypothesize that the primary drivers of age-related muscle loss and therefore effective intervention strategies may differ between muscles. To address this question and dissect the key signaling nodes associated with mTORC1-driven muscle aging, we created a comprehensive multi-muscle gene expression atlas in adult, sarcopenic and rapamycin-treated mice using RNA-seq. Methods: To examine the impact of long-term rapamycin treatment, male C57BL/6 mice were fed encapsulated rapamycin incorporated into a standardized AIN93M diet at 42 ppm (i.e. mg per kg of food), corresponding to a dose of ~4 mg·kg-1·day-1, from 15- to 30-months of age. This dose of rapamycin has been shown to extend lifespan maximally in male C57BL/6 mice. We performed RNA-seq on gastrocnemius (GAS), tibialis anterior (TA), triceps brachii (TRI) and soleus (SOL) muscles from each of six mice for 10m, 30m and 30mRM groups. The four muscle types were chosen to encompass fore- and hindlimb locations (e.g. TRI and GAS); slow and fast contraction properties (e.g. SOL and GAS); anterior and posterior positioning (e.g. TA and GAS) and the extent of protection by rapamycin (TA and TRI: protected; SOL: partiallly protected; GAS: not protected). Results: Age-related gene expression changes were remarkably consistent across the four different muscles, varying only in magnitude. Despite having the smallest age-related muscle loss of the four muscles, TA had the strongest age-related gene expression response which was associated with an increased reinnervation response. Despite the strong between-muscle commonality of age-related changes, gene expression responses to prolonged rapamycin treatment differed substantially between muscles. Rapamycin partially reversed many age-related changes in mRNA expression in the TA and TRI, but not in SOL or GAS muscle. Principle component analysis (PCA) showed that rapamycin had common 'anti-aging' effects on all muscles, while also exerting muscle-specific pro-aging effects on muscles not protected by rapamycin. Conclusions: Sustained, muscle fiber-specific mTORC1 activity drives sarcopenia-like gene expression programs, and the hyperactive mTORC1 seen in sarcopenic muscle may therefore contribute to sarcopenia.
2020-06-19 | GSE139204 | GEO
Project description:Rapamycin-sensitive transgenic Arabidopsis lines (BP12) expressing yeast FK506 Binding Protein12 (FKBP12) were developed. Inhibition of TOR in BP12 plants by rapamycin resulted in slower overall root, leaf and shoot growth and development leading to poor nutrient uptake and light energy utilization. Genetic and physiological studies together with RNA-Seq and metabolite analysis of TOR-suppressed lines revealed that TOR regulates development and lifespan in Arabidopsis by restructuring cell growth, carbon and nitrogen metabolism, gene expression, ribosomal RNA and protein synthesis. Arabidopsis WT (Col)and BP12-2 (TOR knockdown line) seedlings at 15 DAG were treated with rapamycin for 3 days by transferring from 0.5 MS medium to 0.5 MS+10 ug/ml rapamycin. Triplicate samples of rapamycin treated WT and BP12-2 seedlings were used for RNA-Seq analysis (Illumina Hiseq 2000). Paired-end alignments were obtained through aligning short reads onto the reference Arabidopsis Genome (TAIR9) using Bowtie. More than 80% of the reads mapped onto the genome. Htseq-count was used to count the reads from the Bowtie derived output files. Differential expressed genes were identified using edgeR. The FDR-corrected P value for differential expression was set to be <=0.05.
2012-12-18 | E-GEOD-42968 | biostudies-arrayexpress