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Follicular Helper T Cells in the Immunopathogenesis of SARS-CoV-2 Infection

Dawei Cui1, Yuan Tang2,3, Qi Jiang4

  • 1Department of Blood Transfusion, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.

Frontiers in Immunology
|October 4, 2021
PubMed

Insights

Follicular helper T (Tfh) cells are crucial for antibody production against SARS-CoV-2. Understanding their role in COVID-19 immunity may lead to new therapeutic strategies.

Area of Science:

  • Immunology
  • Virology
  • Infectious Diseases

Background:

  • Coronavirus disease 2019 (COVID-19), caused by SARS-CoV-2, is a global health crisis.
  • High-affinity neutralizing antibodies are key to controlling SARS-CoV-2 infection.
  • Follicular helper T (Tfh) cells regulate B cell differentiation and antibody secretion.

Purpose of the Study:

  • To summarize the role of virus-specific Tfh cells in SARS-CoV-2 infection and COVID-19 vaccines.
  • To elucidate Tfh-mediated effector mechanisms in anti-SARS-CoV-2 immunity.
  • To highlight Tfh cells as a potential therapeutic target.

Main Methods:

  • Review of existing literature on Tfh cell function in SARS-CoV-2 infection.
  • Analysis of Tfh cell-mediated immunity in the context of COVID-19 pathogenesis.
  • Exploration of Tfh cell roles in vaccine responses.

Main Results:

  • Tfh cells are closely linked to SARS-CoV-2 infection progression.
  • Evidence suggests Tfh cells contribute to neutralizing antibody production against SARS-CoV-2.
  • Further research is needed to fully understand Tfh-mediated mechanisms.

Conclusions:

  • Tfh cells play a significant role in anti-SARS-CoV-2 immunity.
  • Targeting Tfh cells presents a potential therapeutic strategy for COVID-19.
  • Understanding Tfh cell function is vital for developing effective vaccines and treatments.

Keywords:
B cellsCOVID-19SARS-CoV-2Tfh cellsneutralizing antibody

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