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Transcriptome analyses of skeletal muscle in αB-crystallin/HspB2 knockout and wild-type mice on a normal or high fat diet

ABSTRACT: We profiled the skeletal muscle transcriptome between wild type and αB-crystallin/HspB2 knock mice exposed to normal chow and high fat diets to examine the role of αB-crystallin/HspB2 in diet induced obesity. Combined with metabolic profiling of the mice, these data reveal that αB-crystallin/HspB2 is involved in the genesis of insulin resistance on a high fat diet, and we provide extensive RNA profiling to illuminate potential mechanistic insights into the muscle-specific role of αB-crystallin/HspB2.

ORGANISM(S): Mus musculus

PROVIDER: GSE66557 | GEO | 2015/09/01

SECONDARY ACCESSION(S): PRJNA277320

REPOSITORIES: GEO

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Transcriptome analyses of skeletal muscle in αB-crystallin/HspB2 knockout and wild-type mice on a normal or high fat diet

Project description:We profiled the skeletal muscle transcriptome between wild type and αB-crystallin/HspB2 knock mice exposed to normal chow and high fat diets to examine the role of αB-crystallin/HspB2 in diet induced obesity. Combined with metabolic profiling of the mice, these data reveal that αB-crystallin/HspB2 is involved in the genesis of insulin resistance on a high fat diet, and we provide extensive RNA profiling to illuminate potential mechanistic insights into the muscle-specific role of αB-crystallin/HspB2. Hind limb muscle mRNA profiles of wild type and αB-crystallin/HspB2 knock mice exposed to either normal chow or high fat diets using RNAseq analysis

2015-09-01 | E-GEOD-66557 | biostudies-arrayexpress

Global quadriceps skeletal muscle transcript data from fasted male BXD strains on chow or high fat diet

Project description:Transcript data from quadriceps skeletal muscle from fasted-state male BXD strains on Quadriceps, Chow or Quadriceps, High fat diet We used microarrays to compare the skeletal muscle expression differences across males in the BXD strain family and across two diverse diets

2014-09-26 | GSE60151 | GEO

Large intestine lamina propria CD45 positive cells

Project description:Obesity was induced by ad libitum feeding of C57/BL6 mice for 12 week with irradiated high fat diet (Rodent Diet 60% kcal from fat, Research Diets, Inc., Cat #D12492). Control diet (chow) containing 24% protein, 47.5% carbohydrate, and 4.9% fat, was given to age and sex matched animals as a control group.

2022-04-15 | GSE171330 | GEO

Prognostic value of biomarkers EpCAM and B-crystallin is associated with lymphatic metastasis in breast cancer by iTRAQ analysis

Project description:Metastasis is responsible for the majority of deaths in a variety of cancer types, including breast cancer. Although several factors or biomarkers have been identified to predict the outcome of patients with breast cancer, few studies have been conducted to identify metastasis-associated biomarkers. Quantitative iTRAQ proteomics analysis was used to detect differentially expressed proteins between lymph node metastases and their paired primary tumor tissues from 23 patients with metastatic breast cancer. Immunohistochemistry was performed to validate the expression of two upregulated (EpCAM, FADD) and two downregulated (NDRG1, αB-crystallin) proteins in 190 paraffin-embedded tissue samples. These four proteins were further analyzed for their correlation with clinicopathological features in 190 breast cancer patients. We identified 637 differentially regulated proteins (397 upregulated and 240 downregulated) in lymph node metastases compared with their paired primary tumor tissues. Furthermore, bioinformatics analysis using GEO profiling confirmed the difference in the expression of EpCAM between metastases and primary tumors tissues. Two upregulated (EpCAM, FADD) and two downregulated (NDRG1, αB-crystallin) proteins were associated with the progression of breast cancer. Obviously, EpCAM plays a role in the metastasis of breast cancer cells to the lymph node. We further identified αB-crystallin as an independent biomarker to predict lymph node metastasis and the outcome of breast cancer patients.

2019-08-29 | PXD013931 | Pride

Proteomics analysis of insulin sensitive tissues in high fat diet fed mice

Project description:The popularity of high fat foods in modern society has been associated with epidemic of various metabolic diseases characterized by insulin resistance, the pathology of which involves complex interactions between multiple tissues such as liver, skeletal muscle and white adipose tissue (WAT). To uncover the mechanism by which excessive fat impairs insulin sensitivity, we conducted a multi- tissue study by using TMT-based quantitative proteomics. 3-week-old ICR mice were fed with high fat diet (HFD) for 19 weeks to induce insulin resistance. Liver, skeletal muscle and epididymal fat were collected for proteomics screening. Additionally, PRM was used for validating adipose differential proteins. By comparing tissue-specific protein profiles of HFD mice, multi-tissue regulation of glucose and lipid homeostasis and corresponding underlying mechanisms was systematically investigated and characterized. NC: normal birth weight + chow diet; NH: normal birth weight + high fat diet; LC: low birth weight + chow diet; LH: low birth weight + high fat diet.

2022-01-26 | PXD021046 | Pride

Transcriptional events in human skeletal muscle at the outset of concentric resistance exercise training

Project description:We sought to ascertain the time-course of transcriptional events that occur in human skeletal muscle at the outset of resistance exercise (RE) training in RE naïve individuals, and determine if the magnitude of any response was associated with exercise induced muscle damage. Sixteen RE naïve males were recruited, 8 underwent 2 sessions of 5x30 maximum, isokinetic knee extensions (180°.s-1) separated by 48 hrs. Muscle biopsies of the vastus lateralis were taken at baseline and 24 hrs after each exercise bout. Eight individuals acted as non-exercise controls with biopsies obtained at the same time intervals. Transcriptional changes were assessed by microarray, and binding of HSP27 and αB-crystallin to insoluble proteins by immunohistochemistry as a measure of muscle damage. In control subjects, no probesets were significantly altered (FDR<0.05) and HSP27 and αB-crystallin binding remained unchanged throughout the study. In exercised subjects, significant inter-subject variability following the initial bout of RE was observed in the muscle transcriptome, with greatest changes occurring when HSP27 and αB-crystallin binding was elevated. Following the second bout of RE, the transcriptome response was more consistent among subjects revealing a cohort of probesets associated with immune activation, the suppression of oxidative metabolism and protein ubiquitination as differentially regulated. The results reveal that the initial transcriptional response to RE is highly variable in RE naïve volunteers, is associated with muscle damage, and unlikely to reflect longer-term adaptations to RE training. These results highlight the importance of considering multiple time-points when determining the transcriptional response to RE and associated physiological adaptation.

2013-11-15 | GSE45426 | GEO

A Proteomic Study of Salmonella Infection and High Fat Diet on Mouse Liver using Data-Independent Acquisition Mass Spectrometry

Project description:Data-independent acquisition of mouse liver with four treatments: normal chow diet and healthy (1-5), normal chow diet and inoculated with Salmonella (6-11), high fat diet and healthy (12-16), and high fat diet and inoculated with Salmonella (17-21).

2023-05-07 | MSV000091877 | MassIVE

Global hepatic transcript data from fasted male BXD strains on chow or high fat diet

Project description:Transcript data from livers from fasted-state BXD strains on chow or high fat diet We used microarrays to compare the hepatic expression differences across the BXD strain family and across two diverse diets

2014-09-11 | GSE60149 | GEO

Global heart transcript data from fasted male BXD strains on chow or high fat diet

Project description:Transcript data from heart tissue from fasted-state male BXD strains on chow or high fat diet We used microarrays to compare the heart expression differences across the BXD strain family and across two diverse diets

2017-08-31 | GSE60489 | GEO

BXD Mouse Liver Metabolome - Aging Colony

Project description:Metabolome analysis of Mouse BXD reference collection. Liver extracts. Chow and high fat diet. Flow injection analysis - TOF (negative mode, no LC!). Sample description is included in file_description.csv. Complete details are in the manuscript "Multiomic Profiling of the Liver Across Diets and Age in a Diverse Mouse Population" (Williams et al., Cell Systems, 2021)

2017-08-14 | MSV000081441 | MassIVE

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