Metabolomics

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Metabolomic profiling of macrophages determines the discrete metabolomic signature and metabolomic interactome triggered by polarising immune stimuli


ABSTRACT: Priming and activating immune stimuli have profound effects on macrophages, however, studies generally evaluate stimuli in isolation rather than in combination. In this study we have investigated the effects of pro-inflammatory and anti-inflammatory stimuli either alone or in combination on macrophage metabolism. These stimuli include host factors such as IFNγ and ovalbumin-immunoglobulin immune complexes, or pathogen factors such as LPS. Untargeted LC-MS based metabolomics provided an in-depth profile of the macrophage metabolome, and revealed specific changes in metabolite abundance upon either individual stimuli or combined stimuli. Here, by factoring in an interaction term in the linear model, we define the metabolome interactome. This approach allowed us to determine whether stimuli interact in a synergistic or antagonistic manner. In conclusion this study demonstrates a robust approach to interrogate immune-metabolism, especially systems that model host-pathogen interactions.

INSTRUMENT(S): qExactive (Thermo Scientific)

SUBMITTER: Kevin Rattigan 

PROVIDER: MTBLS570 | MetaboLights | 2018-03-13

REPOSITORIES: MetaboLights

Dataset's files

Source:
Action DRS
MTBLS570 Other
FILES Other
a_MTBLS570_data1_NEG_LCMS.txt Txt
a_MTBLS570_data1_POS_LCMS.txt Txt
a_MTBLS570_data2_NEG_LCMS.txt Txt
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Publications

Metabolomic profiling of macrophages determines the discrete metabolomic signature and metabolomic interactome triggered by polarising immune stimuli.

Rattigan Kevin M KM   Pountain Andrew W AW   Regnault Clement C   Achcar Fiona F   Vincent Isabel M IM   Goodyear Carl S CS   Barrett Michael P MP  

PloS one 20180314 3


Priming and activating immune stimuli have profound effects on macrophages, however, studies generally evaluate stimuli in isolation rather than in combination. In this study we have investigated the effects of pro-inflammatory and anti-inflammatory stimuli either alone or in combination on macrophage metabolism. These stimuli include host factors such as IFNγ and ovalbumin-immunoglobulin immune complexes, or pathogen factors such as LPS. Untargeted LC-MS based metabolomics provided an in-depth  ...[more]

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