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Targeting host calcium channels and viroporins: a promising strategy for SARS-CoV-2 therapy

Mona Fani1,2, Maryam Moossavi3, Hasan Bakhshi1

  • 1Vector-borne Diseases Research Center, North Khorasan University of Medical Sciences, Bojnurd, Iran.

Future Virology
|September 13, 2023
PubMed

Insights

Calcium channel blockers (CCBs) show promise for treating COVID-19 by inhibiting calcium channels essential for SARS-CoV-2 replication and inflammation. Targeting viroporins alongside CCBs may further limit viral spread.

Area of Science:

  • Virology
  • Pharmacology
  • Immunology

Background:

  • Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection involves complex host-pathogen interactions.
  • Calcium ions (Ca2+) play a critical role in viral entry and inflammatory responses during SARS-CoV-2 infection.
  • Viroporins are viral proteins crucial for replication and pathogenesis, making them potential therapeutic targets.

Purpose of the Study:

  • To explore the potential of calcium channel blockers (CCBs) as a therapeutic strategy against SARS-CoV-2.
  • To investigate the dual role of calcium channels in viral fusion and inflammatory pathways.
  • To assess the combined therapeutic potential of CCBs and viroporin inhibitors for COVID-19 treatment.

Main Methods:

  • Review of existing evidence on calcium channel function in SARS-CoV-2.
  • Analysis of the role of Ca2+ in viral replication and host inflammatory responses.
  • Evaluation of viroporins as antiviral targets.

Main Results:

  • Ca2+ influx is necessary for the fusion process of SARS-CoV-2.
  • Inflammatory factors associated with SARS-CoV-2 infection are modulated by Ca2+ levels.
  • Inhibition of host calcium channels and viral viroporins can impede viral spread.

Conclusions:

  • Calcium channel blockers (CCBs) represent a viable therapeutic option for COVID-19.
  • Targeting both host calcium channels and viral viroporins offers a promising dual approach to antiviral therapy.
  • Further research into CCBs and viroporin inhibitors is warranted for effective SARS-CoV-2 management.
Keywords:
COVID-19SARS-CoV-2calcium channel blockerviroporins

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