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Pilot Metabolome-Wide Association Study of Benzo(a)pyrene in Serum From Military Personnel.


ABSTRACT: A pilot study was conducted to test the feasibility of using Department of Defense Serum Repository (DoDSR) samples to study health and exposure-related effects.Thirty unidentified human serum samples were obtained from the DoDSR and analyzed for normal serum metabolites with high-resolution mass spectrometry and serum levels of free benzo(a)pyrene (BaP) by gas chromatography-mass spectrometry. Metabolic associations with BaP were determined using a metabolome-wide association study (MWAS) and metabolic pathway enrichment.The serum analysis detected normal ranges of glucose, selected amino acids, fatty acids, and creatinine. Free BaP was detected in a broad concentration range. MWAS of BaP showed associations with lipids, fatty acids, and sulfur amino acid metabolic pathways.The results show that the DoDSR samples are of sufficient quality for chemical profiling of DoD personnel.

SUBMITTER: Walker DI 

PROVIDER: S-EPMC5837056 | biostudies-literature | 2016 Aug

REPOSITORIES: biostudies-literature

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Pilot Metabolome-Wide Association Study of Benzo(a)pyrene in Serum From Military Personnel.

Walker Douglas I DI   Pennell Kurt D KD   Uppal Karan K   Xia Xiaoyan X   Hopke Philip K PK   Utell Mark J MJ   Phipps Richard P RP   Sime Patricia J PJ   Rohrbeck Patricia P   Mallon Col Timothy M CT   Jones Dean P DP  

Journal of occupational and environmental medicine 20160801 8 Suppl 1


<h4>Objective</h4>A pilot study was conducted to test the feasibility of using Department of Defense Serum Repository (DoDSR) samples to study health and exposure-related effects.<h4>Methods</h4>Thirty unidentified human serum samples were obtained from the DoDSR and analyzed for normal serum metabolites with high-resolution mass spectrometry and serum levels of free benzo(a)pyrene (BaP) by gas chromatography-mass spectrometry. Metabolic associations with BaP were determined using a metabolome-w  ...[more]

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