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Updated: Dec 11, 2025

Use of Viral Entry Assays and Molecular Docking Analysis for the Identification of Antiviral Candidates against Coxsackievirus A16
Published on: July 15, 2019
Repurposing calcium channel blockers as antiviral drugs
Vijayashree Priyadharsini Jayaseelan1, Arumugam Paramasivam2
1BRULAC-DRC, Saveetha Dental College & Hospital, Saveetha Institute of Medical and Technical Sciences [SIMATS], Saveetha University, Poonamallee High Road, Chennai, Tamil Nadu, 600077, India. vijayashreej.sdc@saveetha.com.
Abstract:
The current pandemic caused by the SARS-CoV-2 has claimed over a half a million lives within a very short span of time. A therapeutic drug which could prevent the entry and propagation of the virus is the need of the hour. Several lines of evidence collected from experimental studies older than three decades have pointed out the fact that inhibiting calcium entry into cells can affect vital steps in the lifecycle of viruses. Hence, calcium channel blockers may be considered as an effective measure in the containment of the viruses. This commentary throws light two scientific papers although with divergent facts converging at a point by suggesting a promising treatment option for CoVID-19 (Fang et al. Lancet Respir Med 8:e21, 2020; Straus et al. J Virol 94:e00426, 2020).
Insights
Calcium channel blockers may offer a novel therapeutic strategy against SARS-CoV-2. Inhibiting cellular calcium entry could impede the virus lifecycle, presenting a potential treatment for COVID-19.
Area of Science:
- Virology
- Pharmacology
- Cell Biology
Background:
- The SARS-CoV-2 pandemic necessitates urgent therapeutic interventions.
- Evidence suggests viral lifecycles can be disrupted by inhibiting cellular calcium entry.
- Calcium channel blockers have a long history of research in viral inhibition.
Purpose of the Study:
- To explore the potential of calcium channel blockers as a treatment for COVID-19.
- To analyze scientific literature supporting the role of calcium in viral replication.
- To discuss two studies converging on calcium modulation for viral containment.
Main Methods:
- Review of existing scientific literature on calcium channels and viral infections.
- Analysis of experimental data linking calcium influx to viral lifecycle.
- Commentary on two specific research papers (Fang et al., Straus et al.).
Main Results:
- Inhibiting calcium entry into cells shows potential to disrupt viral replication.
- Calcium channel blockers represent a promising therapeutic avenue for viral infections.
- Two distinct studies suggest a unified approach to COVID-19 treatment.
Conclusions:
- Calcium channel blockers warrant further investigation as a COVID-19 treatment.
- Modulating cellular calcium is a viable strategy for antiviral therapy.
- Targeting calcium entry presents a promising direction for pandemic preparedness.
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