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Antibodies and vaccines against Middle East respiratory syndrome coronavirus
Jiuyang Xu1, Wenxu Jia1, Pengfei Wang2
1a Comprehensive AIDS Research Center, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Beijing Advanced Innovation Center for Structural Biology, Department of Basic Medical Sciences , Tsinghua University School of Medicine , Beijing , People's Republic of China.
Abstract:
The Middle East respiratory syndrome coronavirus (MERS-CoV) has spread through 27 countries and infected more than 2,200 people since its first outbreak in Saudi Arabia in 2012. The high fatality rate (35.4%) of this novel coronavirus and its persistent wide spread infectiousness in animal reservoirs have generated tremendous global public health concern. However, no licensed therapeutic agents or vaccines against MERS-CoV are currently available and only a limited few have entered clinical trials. Among all the potential targets of MERS-CoV, the spike glycoprotein (S) has been the most well-studied due to its critical role in mediating viral entry and in inducing a protective antibody response in infected individuals. The most notable studies include the recent discoveries of monoclonal antibodies and development of candidate vaccines against the S glycoprotein. Structural characterization of MERS-CoV S protein bound with these monoclonal antibodies has provided insights into the mechanisms of humoral immune responses against MERS-CoV infection. The current review aims to highlight these developments and discuss possible hurdles and strategies to translate these discoveries into ultimate medical interventions against MERS-CoV infection.
Insights
Middle East respiratory syndrome coronavirus (MERS-CoV) poses a global health threat. Research focuses on the MERS-CoV spike glycoprotein (S) for developing effective vaccines and therapeutics.
Area of Science:
- Virology
- Immunology
- Public Health
Background:
- Middle East respiratory syndrome coronavirus (MERS-CoV) has caused over 2,200 infections and significant mortality since 2012.
- No licensed vaccines or therapeutics are available, highlighting an urgent need for medical interventions.
- The MERS-CoV spike glycoprotein (S) is crucial for viral entry and a key target for immune responses.
Purpose of the Study:
- To review recent advancements in MERS-CoV therapeutics and vaccines targeting the S glycoprotein.
- To discuss structural insights into MERS-CoV S protein-antibody interactions.
- To identify challenges and strategies for translating MERS-CoV research into clinical applications.
Main Methods:
- Literature review of studies on MERS-CoV monoclonal antibodies and vaccine candidates.
- Analysis of structural data on MERS-CoV S protein-antibody complexes.
- Discussion of current research trends and future directions in MERS-CoV intervention.
Main Results:
- Development of monoclonal antibodies and candidate vaccines targeting the MERS-CoV S glycoprotein.
- Structural studies reveal mechanisms of humoral immunity against MERS-CoV.
- Progress in understanding MERS-CoV S protein interactions provides a basis for therapeutic development.
Conclusions:
- The MERS-CoV S glycoprotein is a promising target for vaccine and therapeutic development.
- Further research and structural studies are essential for overcoming hurdles in MERS-CoV intervention.
- Translating current discoveries into effective medical countermeasures is critical for global public health.
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