Journal
CURRENT MOLECULAR PHARMACOLOGY
Volume 14, Issue 4, Pages 509-519Publisher
BENTHAM SCIENCE PUBL LTD
DOI: 10.2174/1874467213999200831104324
Keywords
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2); coronavirus disease 2019 (COVID-19); patho-physiology; mechanism of transmission; molecular drug targets
Funding
- Principal (I/C) of Guru Nanak Institute of Pharmaceutical Science and Technology, Kolkata, India
- University of the Free State and Department of Pharmacology
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COVID-19, caused by SARS-CoV-2, is a potentially fatal disease of global public health concern. The understanding and exploration of transmission pathways and molecular drug targets are ongoing, with countries implementing social distancing and lockdown measures. The main transmission routes include respiratory droplets and fecal-oral transmission, with potential treatment strategies involving immunoenhancement therapy and drug combinations.
Coronavirus disease 2019 (COVID-19) is caused by Severe Acute Respiratory Syndrome Coronaviruses 2 (SARS-CoV-2). At present, it is a potentially fatal disease and is of great global public health concern. The pathophysiological understanding of the mode of transmission of COVID-9 and the possible molecular targets are exploring successively to fight against this contagious disease. In this pandemic situation, a large number of countries have been forced to do social distancing and lockdown. The two main pathways of SARS-CoV-2 transmission include (1) droplet infection via the respiratory secretions or by close person to person contact, whereas (2) faecal to oral route transmission is also possible. Thus, the route of entry of SARS-CoV-2 is through the nasal and or oral cavity. Here, we briefly reviewed the current knowledge about COVID-19, considering the potential explanation of the mode of transmission and the different possible molecular drug targets. We highlighted potential approaches to address the antiviral therapy inhibiting the replication of SARS-CoV-2 in the host targeting (a.) RNA-dependent RNA polymerase (b.) serine protease and (c.) proteolytic activation pathways or the cell membrane receptor called the angiotensin-converting enzyme-2 (ACE2). The recently exercised immuno-enhancement therapy to fight against SARS-CoV-2 and treatment strategy using drug combination are also explored here in this review.
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