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There is nothing exempt from the peril of mutation - The Omicron spike

Tapan Behl1, Ishnoor Kaur1, Aayush Sehgal1

  • 1Chitkara College of Pharmacy, Chitkara University, Punjab, India.

Biomedicine & Pharmacotherapy = Biomedecine & Pharmacotherapie
|March 1, 2022
PubMed

Insights

The Omicron variant of COVID-19 exhibits high transmissibility and immune resistance due to spike protein mutations. Current therapies are less effective, necessitating exploration of novel treatments targeting this variant.

Area of Science:

  • Virology
  • Immunology
  • Pharmacology

Background:

  • The Omicron variant of COVID-19 emerged as a significant global health threat.
  • Characterized by numerous mutations in the spike protein's receptor-binding domain (RBD).
  • WHO designated it a variant of concern (VOC) due to rapid transmission and infectivity.

Purpose of the Study:

  • To analyze the Omicron variant's impact on COVID-19 treatment efficacy.
  • To discuss the challenges posed by antibody resistance and vaccine ineffectiveness.
  • To explore novel therapeutic strategies and targets against the Omicron variant.

Main Methods:

  • Review of existing literature on COVID-19 variants and treatments.
  • Analysis of the Omicron variant's genetic mutations and their functional implications.
  • Discussion of potential therapeutic targets including kinase inhibitors and protease inhibitors.

Main Results:

  • Omicron's RBD mutations enhance ACE2 interaction and antibody evasion.
  • Existing COVID-19 therapies show reduced efficacy against the Omicron variant.
  • Novel therapeutic avenues are being investigated to counter Omicron's resistance.

Conclusions:

  • The Omicron variant presents a substantial challenge to current COVID-19 therapeutic approaches.
  • Further research into novel targets like kinase inhibitors and phytoconstituents is crucial.
  • Developing an optimized treatment portfolio is essential for managing the ongoing pandemic.

Keywords:
ACE2Corona virusOmicronReceptor binding domainSpikeVariant of concern

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