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Updated: Dec 20, 2025

Detection of SARS-CoV-2 Neutralizing Antibodies using High-Throughput Fluorescent Imaging of Pseudovirus Infection
Published on: June 5, 2021
Coronaviruses pandemics: Can neutralizing antibodies help?
Phuoc-Bao-Viet Tong1, Li-Yun Lin1, Tuan Hiep Tran2
1INSERM U1109, Fédération Hospitalo-Universitaire (FHU) OMICARE, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Université de Strasbourg, Strasbourg, France.
Insights
The COVID-19 pandemic halted global activities. This review examines past pandemics and the human immune system
Area of Science:
- Immunology
- Virology
- Public Health
Background:
- The COVID-19 pandemic, caused by SARS-CoV-2, has significantly disrupted global activities.
- Understanding historical pandemics and the human immune response is crucial for navigating current and future health crises.
Purpose of the Study:
- To review past pandemics, including those caused by SARS-CoV and MERS-CoV.
- To explore the human immune system's mechanisms against viral pathogens.
- To discuss the development of neutralizing antibodies for therapeutic purposes.
Main Methods:
- Literature review of historical pandemics and immunology.
- Analysis of the human innate and adaptive immune responses.
- Examination of humoral immunity, including cytokines and antibodies.
Main Results:
- The human immune system possesses innate and adaptive responses to combat viral infections.
- Memory cells and antibody production are key components of adaptive immunity.
- Neutralizing antibodies are a promising avenue for therapeutic intervention.
Conclusions:
- Learning from past coronavirus outbreaks (SARS-CoV, MERS-CoV) provides valuable insights for the COVID-19 response.
- The development of effective antibody-based therapies is critical for future pandemic preparedness.
- Further research into antibody characteristics and development is essential.
Abstract:
For the first time in Homo sapiens history, possibly, most of human activities is stopped by coronavirus disease 2019 (COVID-19). Nearly eight billion people of this world are facing a great challenge, maybe not "to be or not to be" yet, but unpredictable. What happens to other major pandemics in the past, and how human beings went through these hurdles? The human body is equipped with the immune system that can recognize, respond and fight against pathogens such as viruses. Following the innate response, immune system processes the adaptive response by which each pathogen is encoded and recorded in memory system. The humoral reaction containing cytokines and antibodies is expected to activate when the pathogens come back. Exploiting this nature of body protection, neutralizing antibodies have been investigated. Learning from past, in parallel to SARS-CoV-2, other coronaviruses SARS-CoV and MERS-CoV who caused previous pandemics, are recalled in this review. We here propose insights of origin and characteristics and perspective for the future of antibodies development.
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