Summary of Study ST001525

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 PR001026. The data can be accessed directly via it's Project DOI: 10.21228/M82T3X 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.

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Study ID	ST001525
Study Title	Perfluorooctanesulfonic acid (PFOS) and perfluorohexanesulfonic acid (PFHxS) alter the blood lipidome and the hepatic proteome in a murine model of diet-induced obesity
Study Summary	Perfluorooctanesulfonic acid (PFOS) and perfluorohexanesulfonic acid (PFHxS) alter the blood lipidome and the hepatic proteome in a murine model of diet-induced obesity
Institute	University of Rhode Island;University of Georgia
Department	Pharmaceutical and Biomedical Sciences
Laboratory	Cummings/Slitt
Last Name	Ingram
First Name	Lishann
Address	250 West Green Street Athens, GA 30605
Email	ingram@carnegiescience.edu
Phone	706-542-3792
Submit Date	2020-07-30
Raw Data Available	Yes
Raw Data File Type(s)	mzXML
Analysis Type Detail	LC-MS
Release Date	2020-12-01
Release Version	1

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Sample Preparation:

Sampleprep ID:	SP001607
Sampleprep Summary:	Blood lipids were isolated for lipidomic analysis according to the Bligh and Dyer method (Bligh and Dyer 1959). The lipidomics was performed at the University of Georgia (Athens, GA). Briefly, blood samples designated for lipidomics were suspended in 1.25 ml of methanol and 1.25 ml of chloroform. Tubes were vortexed for 30 s, allowed to sit for 10 min on ice, centrifuged (300 x g; 5 min), and the bottom chloroform layer was transferred to a new test tube. The extraction steps were repeated three times and the chloroform layer combined. A commercial mix of SPLASH Lipidomix internal standards (Avanti Polar Lipids, Inc.) were spiked into each sample. SPLASH Lipidomix Mass Spec standards includes all major lipid classes at ratios similar to that found in human plasma. The collected chloroform layers were dried under nitrogen, reconstituted with 50 µl of methanol: chloroform (3:1 v/v), and stored at 80ºC until analysis. Lipid content was quantified by determining the level of inorganic phosphorus using the Bartlett Assay (Bartlett 1959).

Sampleprep ID:

SP001607

Sampleprep Summary:

Blood lipids were isolated for lipidomic analysis according to the Bligh and Dyer method (Bligh and Dyer 1959). The lipidomics was performed at the University of Georgia (Athens, GA). Briefly, blood samples designated for lipidomics were suspended in 1.25 ml of methanol and 1.25 ml of chloroform. Tubes were vortexed for 30 s, allowed to sit for 10 min on ice, centrifuged (300 x g; 5 min), and the bottom chloroform layer was transferred to a new test tube. The extraction steps were repeated three times and the chloroform layer combined. A commercial mix of SPLASH Lipidomix internal standards (Avanti Polar Lipids, Inc.) were spiked into each sample. SPLASH Lipidomix Mass Spec standards includes all major lipid classes at ratios similar to that found in human plasma. The collected chloroform layers were dried under nitrogen, reconstituted with 50 µl of methanol: chloroform (3:1 v/v), and stored at 80ºC until analysis. Lipid content was quantified by determining the level of inorganic phosphorus using the Bartlett Assay (Bartlett 1959).