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Published on: March 1, 2019
Molecular Basis for Pathogenicity of Human Coronaviruses
Fatemeh Pourrajab1,2, Mohamad Reza Zare-Khormizi3, Mohammad Hasan Sheikhha4
1Nutrition and Food Security Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.
Zoonotic coronaviruses (CoVs) cause severe respiratory illness. Understanding CoV spike protein S variations is crucial for developing effective preventatives and treatments against emerging pandemic threats.
Area of Science:
- Virology
- Infectious Diseases
- Public Health
Background:
- Zoonotic viruses, including coronaviruses (CoVs), pose significant threats causing severe respiratory illnesses.
- The 21st century has witnessed three major coronavirus outbreaks: SARS, MERS, and SARS-CoV-2, highlighting pandemic potential.
- Emerging novel viruses necessitate preparedness, focusing on transmission and pathogenicity mechanisms.
Purpose of the Study:
- To raise awareness about the potential for new, highly lethal pandemic outbreaks.
- To emphasize the importance of understanding molecular mechanisms of virus transmission and pathogenicity.
- To identify the coronavirus spike protein S as a potential target for prophylactics and therapeutics.
Main Methods:
- Review of scientific literature on zoonotic coronaviruses.
- Analysis of the molecular characteristics of CoV spike protein S.
- Comparative study of SARS, MERS, and SARS-CoV-2 spike proteins.
Main Results:
- Coronaviruses (CoVs) are a significant cause of severe respiratory illness and pandemic outbreaks.
- The CoV spike protein S is a critical factor in host tropism, pathogenicity, and human-to-human transmission.
- Similarities among the spike proteins of SARS, MERS, and SARS-CoV-2 have been identified.
Conclusions:
- The CoV spike protein S is a promising target for developing future prophylactics and therapeutics.
- Understanding viral variations and molecular mechanisms is key to pandemic preparedness.
- Continued research into zoonotic viruses is essential for global health security.
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