Summary of study ST001256

This data is available at the NIH Common Fund's National Metabolomics Data Repository (NMDR) website, the Metabolomics Workbench,, where it has been assigned Project ID PR000842. The data can be accessed directly via it's Project DOI: 10.21228/M8V694 This work is supported by NIH grant, U2C- DK119886.


This study contains a large results data set and is not available in the mwTab file. It is only available for download via FTP as data file(s) here.

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Study IDST001256
Study TitleMetabolic landscape remodeling in dystrophic muscle through glucocorticoid steroid regimens
Study SummaryDuchenne muscular dystrophy is caused by genetic defects in the gene encoding dystrophin and leads to progressive muscle degeneration. Glucocorticoid steroids are current mainstay pharmacological regimen to decrease muscle inflammation and prolong the ambulatory period in these patients, but daily intake of glucocorticoids like prednisone and deflazacort causes adverse side effects like osteoporosis, adrenal suppression, insulin resistance and obesity. Intermittent steroid dosing has been proposed as alternative to maintain benefits and limit side effects, but a detailed understanding of the mechanisms underpinning the regimen-specific effects in muscle is still missing. Here we explore how once-daily versus once-weekly prednisone (4 week-long treatment) affect the metabolomic landscape in mdx mouse muscle (genetic model of Duchenne muscular dystrophy; DBA/2J background) through metabolomics profiling.
Northwestern University
Last NameQuattrocelli
First NameMattia
Address303 East Superior St, SQBRC 5-500, Chicago, IL, 60611, USA
Submit Date2019-09-26
Num Groups3
Total Subjects9
Num Males9
Raw Data AvailableYes
Raw Data File Type(s).raw
Analysis Type DetailLC-MS
Release Date2020-01-06
Release Version1
Mattia Quattrocelli Mattia Quattrocelli application/zip

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Treatment ID:TR001339
Treatment Summary:3 vehicle control samples; 3 once-daily prednisone (1mg/kg i.p.) samples; 3 once-weekly prednisone (1mg/kg i.p.) samples. Each sample was extracted from ~100mg quadriceps muscle mass (one per mouse). Treatment duration was four weeks. Samples were collected 48 hours after last prednisone injection.