Possible inhibition of GM-CSF production by SARS-CoV-2 spike-based vaccines

Mol Med. 2021 May 22;27(1):49. doi: 10.1186/s10020-021-00313-3.

Abstract

A SARS-like coronavirus 2 (SARS-CoV-2) has caused a pandemic Coronavirus Disease 2019 (COVID-19) that killed more than 3.3 million people worldwide. Like the SARS-CoV, SARS-CoV-2 also employs a receptor-binding motif (RBM) of its spike protein to bind a host receptor, the angiotensin-converting enzyme 2 (ACE2), to gain entry. Currently, several mRNA or adenoviral vaccines encoding for the spike protein of SARS-CoV-2 are being used to boost antibodies capable of inhibiting spike-ACE2 interaction and viral entry. However, recent evidence has also suggested an anti-inflammatory effect of spike-reactive antibodies, suggesting that some SARS-CoV-2 spike-based vaccines may elicit protective antibodies capable of inhibiting GM-CSF production and COVID-19 progression.

Keywords: Antibody; GM-CSF; SARS-CoV-2; Spike protein.

Publication types

  • Research Support, N.I.H., Extramural

MeSH terms

  • Angiotensin-Converting Enzyme 2 / metabolism*
  • Antibodies, Neutralizing / immunology
  • Antibodies, Neutralizing / metabolism*
  • COVID-19 / metabolism
  • COVID-19 / prevention & control*
  • COVID-19 / virology
  • COVID-19 Vaccines / immunology
  • COVID-19 Vaccines / therapeutic use*
  • Granulocyte-Macrophage Colony-Stimulating Factor / antagonists & inhibitors*
  • Granulocyte-Macrophage Colony-Stimulating Factor / metabolism
  • Host-Pathogen Interactions / drug effects
  • Humans
  • Protein Binding / drug effects
  • SARS-CoV-2 / immunology
  • SARS-CoV-2 / metabolism
  • SARS-CoV-2 / physiology
  • Spike Glycoprotein, Coronavirus / immunology
  • Spike Glycoprotein, Coronavirus / metabolism*
  • Virus Internalization / drug effects
  • Virus Replication / drug effects

Substances

  • Antibodies, Neutralizing
  • COVID-19 Vaccines
  • Spike Glycoprotein, Coronavirus
  • spike protein, SARS-CoV-2
  • Granulocyte-Macrophage Colony-Stimulating Factor
  • Angiotensin-Converting Enzyme 2