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10.1016/j.antiviral.2020.104927 http://scihub22266oqcxt.onion/10.1016/j.antiviral.2020.104927 32910955!7476565!32910955     free     free     free Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 267.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 267.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 267.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 267.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 267.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 267.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 267.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 300.79999999999995 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       Antiviral+Res 2020 ; 182 (ä): 104927 Nephropedia Template TP {{tp|p=32910955|t=2020. Structural-based virtual screening and in vitro assays for small molecules inhibiting the feline coronavirus 3CL protease as a surrogate platform for coronaviruses |pdf=|usr=}}{{32910955}} gab.com Text Structural-based virtual screening and in vitro assays for small molecules inhibiting the feline coronavirus 3CL protease as a surrogate platform for coronaviruses JO: Antiviral Res http://www.kidney.de/pget.php?&tw=1&pmid=32910955 #FOAvip Feline infectious peritonitis (FIP) which is caused by feline infectious peritonitis virus (FIPV), a variant of feline coronavirus (FCoV), is a member of family Coronaviridae, together with severe acute respiratory syndrome coronavirus (SARS-CoV), Middle East respiratory syndrome coronavirus (MERS-CoV), and SARS-CoV-2. So far, neither effective vaccines nor approved antiviral therapeutics are currently available for the treatment of FIPV infection. Both human and animal CoVs shares similar functional proteins, particularly the 3CL protease (3CL(pro)), which plays the pivotal role on viral replication. We investigated the potential drug-liked compounds and their inhibitory interaction on the 3CL(pro) active sites of CoVs by the structural-bases virtual screening. Fluorescence resonance energy transfer (FRET) assay revealed that three out of twenty-eight compounds could hamper FIPV 3CL(pro) activities with IC(50) of 3.57 +/- 0.36 muM to 25.90 +/- 1.40 muM, and Ki values of 2.04 +/- 0.08 to 15.21 +/- 1.76 muM, respectively. Evaluation of antiviral activity using cell-based assay showed that NSC629301 and NSC71097 could strongly inhibit the cytopathic effect and also reduced replication of FIPV in CRFK cells in all examined conditions with the low range of EC(50) (6.11 +/- 1.90 to 7.75 +/- 0.48 muM and 1.99 +/- 0.30 to 4.03 +/- 0.60 muM, respectively), less than those of ribavirin and lopinavir. Analysis of FIPV 3CL(pro)-ligand interaction demonstrated that the selected compounds reacted to the crucial residues (His41 and Cys144) of catalytic dyad. Our investigations provide a fundamental knowledge for the further development of antiviral agents and increase the number of anti-CoV agent pools for feline coronavirus and other related CoVs. Twit Text FOAVip Structural-based virtual screening and in vitro assays for small molecules inhibiting the feline coronavirus 3CL protease as a surrogate platform for coronaviruses ????Antiviral Res http://www.kidney.de/pget.php?&tw=1&pmid=32910955 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=32910955 #FOAvip English Wikipedia <ref>{{Cite pmid|32910955}}</ref> Structural-based virtual screening and in vitro assays for small molecules inhibiting the feline coronavirus 3CL protease as a surrogate platform for coronaviruses #MMPMID32910955 Theerawatanasirikul S; Kuo CJ; Phecharat N; Chootip J; Lekcharoensuk C; Lekcharoensuk P Antiviral Res 2020[Oct]; 182 (ä): 104927 PMID32910955show ga Feline infectious peritonitis (FIP) which is caused by feline infectious peritonitis virus (FIPV), a variant of feline coronavirus (FCoV), is a member of family Coronaviridae, together with severe acute respiratory syndrome coronavirus (SARS-CoV), Middle East respiratory syndrome coronavirus (MERS-CoV), and SARS-CoV-2. So far, neither effective vaccines nor approved antiviral therapeutics are currently available for the treatment of FIPV infection. Both human and animal CoVs shares similar functional proteins, particularly the 3CL protease (3CL(pro)), which plays the pivotal role on viral replication. We investigated the potential drug-liked compounds and their inhibitory interaction on the 3CL(pro) active sites of CoVs by the structural-bases virtual screening. Fluorescence resonance energy transfer (FRET) assay revealed that three out of twenty-eight compounds could hamper FIPV 3CL(pro) activities with IC(50) of 3.57 +/- 0.36 muM to 25.90 +/- 1.40 muM, and Ki values of 2.04 +/- 0.08 to 15.21 +/- 1.76 muM, respectively. Evaluation of antiviral activity using cell-based assay showed that NSC629301 and NSC71097 could strongly inhibit the cytopathic effect and also reduced replication of FIPV in CRFK cells in all examined conditions with the low range of EC(50) (6.11 +/- 1.90 to 7.75 +/- 0.48 muM and 1.99 +/- 0.30 to 4.03 +/- 0.60 muM, respectively), less than those of ribavirin and lopinavir. Analysis of FIPV 3CL(pro)-ligand interaction demonstrated that the selected compounds reacted to the crucial residues (His41 and Cys144) of catalytic dyad. Our investigations provide a fundamental knowledge for the further development of antiviral agents and increase the number of anti-CoV agent pools for feline coronavirus and other related CoVs. |Amino Acid Sequence[MESH] |Animals[MESH] |Antiviral Agents/*pharmacology[MESH] |Betacoronavirus/drug effects/enzymology[MESH] |COVID-19[MESH] |Catalytic Domain[MESH] |Cats[MESH] |Coronavirus 3C Proteases[MESH] |Coronavirus Infections/drug therapy/virology[MESH] |Coronavirus, Feline/*drug effects/*enzymology[MESH] |Cysteine Endopeptidases/chemistry[MESH] |Cysteine Proteinase Inhibitors/*pharmacology[MESH] |Drug Evaluation, Preclinical/methods[MESH] |Feline Infectious Peritonitis/drug therapy/virology[MESH] |Humans[MESH] |Inhibitory Concentration 50[MESH] |Kinetics[MESH] |Middle East Respiratory Syndrome Coronavirus/drug effects/enzymology[MESH] |Models, Molecular[MESH] |Pandemics[MESH] |Pneumonia, Viral/drug therapy/virology[MESH] |SARS-CoV-2[MESH] |Small Molecule Libraries/*pharmacology[MESH] |Viral Nonstructural Proteins/*antagonists & inhibitors/chemistry[MESH]Structural-based virtual screening and in vitro assays for small molec(epmc).pdf DeepDyve Pubget Overpricing