Summary of Study ST000330

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 PR000265. The data can be accessed directly via it's Project DOI: 10.21228/M8J30W This work is supported by NIH grant, U2C- DK119886.


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Study IDST000330
Study TitleEffects of Zinc on GI tract metabolites (Part 1: Esophagus)
Study SummaryThis experiment tested the affects of different diets on mice esophagus metabolites. The diets ranged from zinc sufficient to zinc deficient and a third group that included zinc deficient mice that were put back on zinc sufficient diets.
University of California, Davis
DepartmentGenome and Biomedical Sciences Facility
LaboratoryWCMC Metabolomics Core
Last NameFiehn
First NameOliver
Address1315 Genome and Biomedical Sciences Facility, 451 Health Sciences Drive, Davis, CA 95616
Phone(530) 754-8258
Submit Date2015-02-18
Num Groups6
Total Subjects48
Raw Data AvailableYes
Raw Data File Type(s)d
Analysis Type DetailLC-MS
Release Date2016-01-27
Release Version1
Oliver Fiehn Oliver Fiehn application/zip

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Sample Preparation:

Sampleprep ID:SP000358
Sampleprep Summary:1. Weigh 50 mg tissue sample in to a 25 ml conical polypropylene centrifuge tube. 2. Add 2.5mL extraction solvent to the tissue sample and homogenize for 45 seconds ensuring that sample resembles a powder. In between samples, clean the homogenizer in solutions of methanol, acetone, water, and the extraction solvent. 3. Centrifuge the samples at 2500 rpm. for 5 minutes. Aliquot 2 X 500µl supernatant, one for analysis and one for a backup sample. Store backup aliquot in the -20°C freezer. 4. Evaporate one 500µl aliquot of the sample in the Labconco Centrivap cold trap concentrator to complete dryness 5. The dried aliquot is then re-suspended with 500l 50% acetonitrile (degassed as given) 6. Centrifuge for 2 min at 14000 rcf using the centrifuge Eppendorf 5415. 7. Remove supernatant to a new Eppendorff tube. 8. Evaporate the supernatant to dryness in the the Labconco Centrivap cold trap concentrator. 9. Submit to derivatization.
Sampleprep Protocol Filename:SOP_Extraction_of_Mammalian_Tissue_Samples.pdf