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Immunother Adv . Human neutralizing antibodies for SARS-CoV-2 prevention and immunotherapy

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  • Immunother Adv . Human neutralizing antibodies for SARS-CoV-2 prevention and immunotherapy


    Immunother Adv


    . 2021 Dec 30;2(1):ltab027.
    doi: 10.1093/immadv/ltab027. eCollection 2022.
    Human neutralizing antibodies for SARS-CoV-2 prevention and immunotherapy


    Dongyan Zhou 1 2 , Runhong Zhou 1 , Zhiwei Chen 1 3 2



    Affiliations

    Abstract

    Severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) is the causative agent of coronavirus disease 2019 (COVID-19). SARS-CoV-2 has been spreading worldwide since December 2019, resulting in the ongoing COVID-19 pandemic with 237 million infections and 4.8 million deaths by 11 October 2021. While there are great efforts of global vaccination, ending this pandemic has been challenged by issues of exceptionally high viral transmissibility, re-infection, vaccine-breakthrough infection, and immune escape variants of concern. Besides the record-breaking speed of vaccine research and development, antiviral drugs including SARS-CoV-2-specific human neutralizing antibodies (HuNAbs) have been actively explored for passive immunization. In support of HuNAb-based immunotherapy, passive immunization using convalescent patients' plasma has generated promising evidence on clinical benefits for both mild and severe COVID-19 patients. Since the source of convalescent plasma is limited, the discovery of broadly reactive HuNAbs may have significant impacts on the fight against the COVID-19 pandemic. In this review, therefore, we discuss the current technologies of gene cloning, modes of action, in vitro and in vivo potency and breadth, and clinical development for potent SARS-CoV-2-specific HuNAbs.

    Keywords: SARS-CoV-2; immunotherapy; neutralizing antibody; passive immunization; vaccine.

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