PubMed:32275259 / 1045-1054 10 Projects
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SARS-CoV-2, SARS-CoV, and MERS-COV: A comparative overview
The recent outbreak of SARS-CoV-2 that started in Wuhan, China, has now spread to several other countries and is in its exponential phase of spread. Although less pathogenic than SARS-CoV, it has taken several lives and taken down the economies of many countries. Before this outbreak, the most recent coronavirus outbreaks were the SARS-CoV and the MERS-CoV outbreaks that happened in China and Saudi Arabia, respectively. Since the SARS-CoV-2 belongs to the same family as of SARS-CoV and MERS-CoV, they share several similarities. So, this review aims at understanding the new scenario of SARS-CoV-2 outbreak and compares the epidemiology, clinical presentations, and the genetics of these coronaviruses. Studies reveal that SARS-CoV-2 is very similar in structure and pathogenicity with SARS-CoV, but the most important structural protein, i.e., the spike protein (S), is slightly different in these viruses. The presence of a furin-like cleavage site in SARS-CoV-2 facilitates the S protein priming and might increase the efficiency of the spread of SARS-CoV-2 as compared to other beta coronaviruses. So, furin inhibitors can be targeted as potential drug therapies for SARS-CoV.
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