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10.1016/j.jiph.2020.09.015 http://scihub22266oqcxt.onion/10.1016/j.jiph.2020.09.015 33109497!7556809!33109497     free     free     free Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 247.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 247.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 247.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 247.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 247.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 247.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 247.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 280.79999999999995 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 280.79999999999995 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 280.79999999999995 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 280.79999999999995 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       J+Infect+Public+Health 2020 ; 13 (12): 1868-1877 Nephropedia Template TP {{tp|p=33109497|t=2020. Computational studies reveal mechanism by which quinone derivatives can inhibit SARS-CoV-2 Study of embelin and two therapeutic compounds of interest, methyl prednisolone and dexamethasone |pdf=|usr=}}{{33109497}} gab.com Text Computational studies reveal mechanism by which quinone derivatives can inhibit SARS-CoV-2 Study of embelin and two therapeutic compounds of interest, methyl prednisolone and dexamethasone JO: J Infect Public Health http://www.kidney.de/pget.php?&tw=1&pmid=33109497 #FOAvip BACKGROUND: Quinones are reactive to proteins containing cysteine residues and the main protease in Covid-19 contains an active site that includes Cys145. Embelin, a quinone natural product, is known to have antiviral activity against influenza and hepatitis B. Preliminary studies by our group also indicate its ability to inhibit HSV-1 in cultured cells. METHODS: Docking and DFT methods applied to the protease target. RESULTS: a mechanism for this inhibition of the SARS-CoV-2 Mpro protease is described, specifically due to formation of a covalent bond between S(Cys145) and an embelin C(carbonyl). This is assisted by two protein amino acids (1) N(imidazole-His41) which is able to capture H[S(Cys145)] and (2) HN(His163), which donates a proton to embelin O(carbonyl) forming an OH moiety that results in inhibition of the viral protease. A similar process is also seen with the anti-inflammatory drugs methyl prednisolone and dexamethasone, used for Covid-19 patients. Methyl prednisolone and dexamethasone are methide quinones, and possess only one carbonyl moiety, instead of two for embelin. Additional consideration was given to another natural product, emodin, recently patented against Covid-19, as well as some therapeutic quinones, vitamin K, suspected to be involved in Covid-19 action, and coenzyme Q10. All show structural similarities with embelin, dexamethasone and methyl prednisolone results. CONCLUSIONS: Our data on embelin and related quinones indicate that these natural compounds may represent a feasible, strategic tool against Covid-19. Twit Text FOAVip Computational studies reveal mechanism by which quinone derivatives can inhibit SARS-CoV-2 Study of embelin and two therapeutic compounds of interest, methyl prednisolone and dexamethasone ????J Infect Public Health http://www.kidney.de/pget.php?&tw=1&pmid=33109497 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=33109497 #FOAvip English Wikipedia <ref>{{Cite pmid|33109497}}</ref> Computational studies reveal mechanism by which quinone derivatives can inhibit SARS-CoV-2 Study of embelin and two therapeutic compounds of interest, methyl prednisolone and dexamethasone #MMPMID33109497 Caruso F; Rossi M; Pedersen JZ; Incerpi S J Infect Public Health 2020[Dec]; 13 (12): 1868-1877 PMID33109497show ga BACKGROUND: Quinones are reactive to proteins containing cysteine residues and the main protease in Covid-19 contains an active site that includes Cys145. Embelin, a quinone natural product, is known to have antiviral activity against influenza and hepatitis B. Preliminary studies by our group also indicate its ability to inhibit HSV-1 in cultured cells. METHODS: Docking and DFT methods applied to the protease target. RESULTS: a mechanism for this inhibition of the SARS-CoV-2 Mpro protease is described, specifically due to formation of a covalent bond between S(Cys145) and an embelin C(carbonyl). This is assisted by two protein amino acids (1) N(imidazole-His41) which is able to capture H[S(Cys145)] and (2) HN(His163), which donates a proton to embelin O(carbonyl) forming an OH moiety that results in inhibition of the viral protease. A similar process is also seen with the anti-inflammatory drugs methyl prednisolone and dexamethasone, used for Covid-19 patients. Methyl prednisolone and dexamethasone are methide quinones, and possess only one carbonyl moiety, instead of two for embelin. Additional consideration was given to another natural product, emodin, recently patented against Covid-19, as well as some therapeutic quinones, vitamin K, suspected to be involved in Covid-19 action, and coenzyme Q10. All show structural similarities with embelin, dexamethasone and methyl prednisolone results. CONCLUSIONS: Our data on embelin and related quinones indicate that these natural compounds may represent a feasible, strategic tool against Covid-19. |*COVID-19 Drug Treatment[MESH] |Anti-Inflammatory Agents/*pharmacology[MESH] |Benzoquinones/pharmacology[MESH] |Dexamethasone/pharmacology[MESH] |Drug Repositioning[MESH] |Humans[MESH] |Methylprednisolone/pharmacology[MESH] |Molecular Docking Simulation[MESH]Computational studies reveal mechanism by which quinone derivatives ca(epmc).pdf DeepDyve Pubget Overpricing