Summary of Study ST002389

This data is available at the NIH Common Fund's National Metabolomics Data Repository (NMDR) website, the Metabolomics Workbench, https://www.metabolomicsworkbench.org, where it has been assigned Project ID PR001536. The data can be accessed directly via it's Project DOI: 10.21228/M8512J This work is supported by NIH grant, U2C- DK119886.

See: https://www.metabolomicsworkbench.org/about/howtocite.php

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.

Study ID	ST002389
Study Title	Alterations in SHH signal transduction introduce a state of hypometabolism in sporadic Parkinson's disease
Study Summary	Induced pluripotent stem cells (iPSC) derived from sporadic Parkinson's disease patients and healthy control subjects were used for disease modeling. iPSC were differentiated towards midbrain dopaminergic neurons. For metabolic analysis, midbrain neuronal precursor cells were cultivated in growth medium supplemented with either 1.25 mM [U-13C]-glutamine or 21.25 mM [U-13C]-glucose. Metabolites were extracted and analyzed using GC-MS. The MetaboliteDetector software was used to analyze chromatograms, calculate mass isotopomer distributions (MIDs) and perform relative comparison of metabolite levels.
Institute	Helmholtz Centre for Environmental Research
Department	Institute of Developmental Genetics
Last Name	Schmidt
First Name	Sebastian
Address	Ingolstädter Landstraße 1, 85764 Munich, Germany
Email	sebastian.schmidt@helmholtz-muenchen.de
Phone	+4989318743660
Submit Date	2022-12-03
Num Groups	3
Total Subjects	13
Raw Data Available	Yes
Raw Data File Type(s)	bin
Analysis Type Detail	GC-MS
Release Date	2023-10-06
Release Version	1

Select appropriate tab below to view additional metadata details:

Sample Preparation:

Sampleprep ID:	SP002484
Sampleprep Summary:	Subsequently, cell culture supernatant was stored for profiling the extracellular metabolome. Three replicates per cell line and blanks were washed with 0.9% NaCl and quenched with ice-cold methanol and ice-cold ddH2O (containing 1 µg/ml D6-glutaric acid as internal standard). Cells were scraped and extracts were added into tubes containing ice-cold chloroform. Following vortexing at 1,400 rpm for 20 min at 4°C and centrifugation at 17,000 g for 5 min at 4°C, 300 µl of the polar phase were transferred into GC glass vials with microinsert and dried under vacuum at 4°C. Dried extracts were derivatized using equal amounts of methoxylamine (20 mg/ml in pyridine) and MTBSTFA.

Sampleprep ID:

SP002484

Sampleprep Summary:

Subsequently, cell culture supernatant was stored for profiling the extracellular metabolome. Three replicates per cell line and blanks were washed with 0.9% NaCl and quenched with ice-cold methanol and ice-cold ddH2O (containing 1 µg/ml D6-glutaric acid as internal standard). Cells were scraped and extracts were added into tubes containing ice-cold chloroform. Following vortexing at 1,400 rpm for 20 min at 4°C and centrifugation at 17,000 g for 5 min at 4°C, 300 µl of the polar phase were transferred into GC glass vials with microinsert and dried under vacuum at 4°C. Dried extracts were derivatized using equal amounts of methoxylamine (20 mg/ml in pyridine) and MTBSTFA.