Metabolomics Workbench : NIH Data Repository

MB Sample ID: SA245667

Local Sample ID:	PL_Oxylipin_4
Subject ID:	SU002544
Subject Type:	Mammal
Subject Species:	Mus musculus
Taxonomy ID:	10090
Genotype Strain:	C57BL/6J
Age Or Age Range:	6 weeks
Gender:	Female
Animal Animal Supplier:	JAX

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Sample Preparation:

Sampleprep ID:	SP002550
Sampleprep Summary:	Tissues were mechanically homogenized with the Precellys 24 homogenizer (Bertin Technologies, Montigny-le-Bretonneux, France) in methanol containing internal standards (500 pmol/sample of d4-labeled EPA, d5-labeled PGE2, LPC with a 17:0 fatty acyl chain (LPC17:0), and PC with two 14:0 fatty acyl chains (PE14:0-14:0)) and then incubated overnight at -20°C. For extraction of phospholipids and lysophospholipids, one-tenth of tissue lysates were added to 10 volumes of 20 mM Tris-HCl (pH 7.4) and were extracted using the method of Bligh and Dyer. For extraction of oxygenated fatty acid metabolites, nine-tenths of the tissue lysates were added to water (final methanol concentration of 10% (v/v)), and the lipids were extracted using an Oasis HLB cartridge (Waters, Milford, MA, USA).

Sampleprep ID:

SP002550

Sampleprep Summary:

Tissues were mechanically homogenized with the Precellys 24 homogenizer (Bertin Technologies, Montigny-le-Bretonneux, France) in methanol containing internal standards (500 pmol/sample of d4-labeled EPA, d5-labeled PGE2, LPC with a 17:0 fatty acyl chain (LPC17:0), and PC with two 14:0 fatty acyl chains (PE14:0-14:0)) and then incubated overnight at -20°C. For extraction of phospholipids and lysophospholipids, one-tenth of tissue lysates were added to 10 volumes of 20 mM Tris-HCl (pH 7.4) and were extracted using the method of Bligh and Dyer. For extraction of oxygenated fatty acid metabolites, nine-tenths of the tissue lysates were added to water (final methanol concentration of 10% (v/v)), and the lipids were extracted using an Oasis HLB cartridge (Waters, Milford, MA, USA).