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Therapeutic Challenges in COVID-19.

Amit K Maiti1

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Summary

Understanding the molecular mechanisms of SARS-CoV-2 is crucial for effective COVID-19 treatments. Current vaccines face challenges with evolving virus strains and antibody limitations, suggesting alternative therapeutic targets are needed.

Keywords:
COVID-19IFIH1SARS-CoV2antibodyimmune responseinterferon.mutationvaccine

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Area of Science:

  • Virology
  • Molecular Biology
  • Immunology

Background:

  • Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) is a novel respiratory virus responsible for the COVID-19 pandemic.
  • The virus utilizes its spike (S) proteins to bind to the ACE2 receptor on human cells, initiating infection.
  • Existing treatments, including repurposed drugs and vaccines, have shown limited success in reducing mortality.

Purpose of the Study:

  • To investigate the molecular mechanisms of SARS-CoV-2 infection.
  • To evaluate the efficacy of current therapeutic strategies against COVID-19.
  • To identify novel therapeutic targets for reducing COVID-19 related mortality.

Main Methods:

  • Analysis of the SARS-CoV-2 genome and protein structure, focusing on spike proteins and ACE2 interactions.
  • Review of clinical data on the effectiveness of repurposed drugs and existing vaccines.
  • Exploration of genetic, genomic, and protein interactome data for potential therapeutic targets.

Main Results:

  • Repurposed drugs have demonstrated limited efficacy in reducing COVID-19 mortality.
  • Current vaccines face challenges due to the inability of antibodies to enter cells and the virus's rapid evolution through mutations.
  • The effectiveness of antibody-based vaccines is hampered by the emergence of new virus strains.

Conclusions:

  • Antibody-based vaccines for SARS-CoV-2 may have limited long-term effectiveness.
  • Alternative therapeutic strategies targeting the virus's genetic, genomic, or protein interactome are promising avenues.
  • Further research into these alternative approaches is essential for developing more effective treatments and reducing disease-related mortality.