Metabolomics

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A Multi-omics Longitudinal Study Reveals Alteration of the Leukocyte Activation Pathway in COVID-19 Patients


ABSTRACT: Severe coronavirus disease 2019 (COVID-19) infection may lead to lung injury, multi-organ failure, and eventually death. Cytokine storm due to excess cytokine production has been associated with fatality in severe infections. However, the specific molecular signatures associated with the elevated immune response are yet to be elucidated. We performed a mass-spectrometry-based proteomic and metabolomic analysis of COVID-19 plasma samples collected at two time points. Using Orbitrap Fusion LC-MS/MS-based label-free proteomic analysis, we identified around 10 significant proteins, 32 significant peptides, and 5 metabolites that were dysregulated at the severe time points. Few of these proteins identified by quantitative proteomics were validated using the multiple reaction monitoring (MRM) assay. Integrated pathway analysis using distinct proteomic and metabolomic signatures revealed alterations in complement and coagulation cascade, platelet aggregation, myeloid leukocyte activation pathway, and arginine metabolism. Further, we highlight the role of leukocyte activation and arginine metabolism in COVID-19 pathogenesis and targeting these pathways for COVID-19 therapeutics.

INSTRUMENT(S): Liquid Chromatography MS - positive - reverse phase

SUBMITTER: Nirjhar Banerjee 

PROVIDER: MTBLS2469 | MetaboLights | 2022-01-18

REPOSITORIES: MetaboLights

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MTBLS2469 Other
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a_MTBLS2469_LC-MS_positive_reverse-phase_metabolite_profiling.txt Txt
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A Multi-omics Longitudinal Study Reveals Alteration of the Leukocyte Activation Pathway in COVID-19 Patients.

Suvarna Kruthi K   Salkar Akanksha A   Palanivel Viswanthram V   Bankar Renuka R   Banerjee Nirjhar N   Gayathri J Pai Medha M   Srivastava Alisha A   Singh Avinash A   Khatri Harsh H   Agrawal Sachee S   Shrivastav Om O   Shastri Jayanthi J   Srivastava Sanjeeva S  

Journal of proteome research 20210811 10


Severe coronavirus disease 2019 (COVID-19) infection may lead to lung injury, multi-organ failure, and eventually death. Cytokine storm due to excess cytokine production has been associated with fatality in severe infections. However, the specific molecular signatures associated with the elevated immune response are yet to be elucidated. We performed a mass-spectrometry-based proteomic and metabolomic analysis of COVID-19 plasma samples collected at two time points. Using Orbitrap Fusion LC-MS/M  ...[more]

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