Extracellular acyl-CoA-binding protein as an independent biomarker of COVID-19 disease severity

  • 0Inflammation and Immunity in Global Health Program, Research Institute of the McGill University Health Centre, Montreal, QC, Canada.

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Summary

This summary is machine-generated.

Acyl-CoA binding protein (ACBP) levels in plasma correlate with COVID-19 severity and inflammation. This finding suggests ACBP may serve as a novel biomarker for predicting disease progression and developing new therapies.

Area Of Science

  • Immunology
  • Molecular Biology
  • Proteomics

Background

  • Severe COVID-19 pathogenesis is not fully understood.
  • Biomarkers predicting COVID-19 severity are needed for improved patient management and novel therapies.
  • Autophagy, regulated by Acyl-CoA binding protein (ACBP), plays a role in cellular homeostasis and immune responses.

Purpose Of The Study

  • To investigate the association between circulating Acyl-CoA binding protein (ACBP) levels and COVID-19 severity.
  • To explore ACBP as a potential biomarker for predicting severe outcomes in COVID-19 patients.

Main Methods

  • Somalogic proteomic analysis of plasma from 903 COVID-19 patients and 295 controls.
  • Assessment of 5000 proteins, including ACBP, in samples collected during the acute phase of infection.
  • Measurement of anti-SARS-CoV-2 IgG levels and cell-binding assays.

Main Results

  • Plasma ACBP levels were significantly correlated with COVID-19 severity.
  • ACBP levels were associated with inflammation and anti-SARS-CoV-2 antibody titers, independent of patient demographics and comorbidities.
  • Higher ACBP levels were observed during the second COVID-19 wave in Quebec.
  • ACBP levels showed a negative correlation with T and NK cell response biomarkers (IFN-γ, TNF-α, IL-21).

Conclusions

  • Circulating ACBP levels represent a potential biomarker for COVID-19 severity, linked to inflammatory processes.
  • Further research is warranted to elucidate the role of extracellular ACBP in immunometabolic responses during viral infections.