2,4-Dihydroxycinnamic acid as spike ACE2 inhibitor and apigenin as RdRp inhibitor in Nimbamritadi Panchatiktam Kashayam against COVID-19: an in silico and in vitro approach

Nimbamritadi Panchatiktam Kashayam (NPK) is an ayurvedic formulation composed of ingredients with potent anti-viral activities. We studied the interaction energy of 144 phytoconstituents present in NPK against spike receptor-binding domain (RBD) complexed with ACE2 protein (PDB ID: 6LZG) and RNA-dep...

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Veröffentlicht in:Molecular diversity 2023-10, Vol.27 (5), p.2353-2363
Hauptverfasser: Murali, Maneesha, Nair, Bhagyalakshmi, Vishnu, V. R., Aneesh, T. P., Nath, Lekshmi R.
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container_end_page 2363
container_issue 5
container_start_page 2353
container_title Molecular diversity
container_volume 27
creator Murali, Maneesha
Nair, Bhagyalakshmi
Vishnu, V. R.
Aneesh, T. P.
Nath, Lekshmi R.
description Nimbamritadi Panchatiktam Kashayam (NPK) is an ayurvedic formulation composed of ingredients with potent anti-viral activities. We studied the interaction energy of 144 phytoconstituents present in NPK against spike receptor-binding domain (RBD) complexed with ACE2 protein (PDB ID: 6LZG) and RNA-dependent RNA polymerase protein (PDB ID: 7BTF) using Biovia Drug Discovery studio. The result indicated that 2,4-hydroxycinnamic acid exerts more significant binding affinities (28.43 kcal/mol) than Umifenovir (21.24 kcal/mol) against spike ACE2. Apigenin exhibited the highest binding affinities (54.63 kcal/mol) compared with Remdesivir (24.52 kcal/mol) against RdRp. An in vitro analysis showed a reduction in the number of lentiviral particles on transfected HEK293T-hACE2 cells as assessed by pseudovirus inhibition assay. At the same time, the tested compounds showed non-toxic up to 100 µg/ml in normal cells by MTT assay. The study highlights the plausible clinical utility of this traditional medicine against SARS CoV2. Graphical abstract
doi_str_mv 10.1007/s11030-022-10552-z
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We studied the interaction energy of 144 phytoconstituents present in NPK against spike receptor-binding domain (RBD) complexed with ACE2 protein (PDB ID: 6LZG) and RNA-dependent RNA polymerase protein (PDB ID: 7BTF) using Biovia Drug Discovery studio. The result indicated that 2,4-hydroxycinnamic acid exerts more significant binding affinities (28.43 kcal/mol) than Umifenovir (21.24 kcal/mol) against spike ACE2. Apigenin exhibited the highest binding affinities (54.63 kcal/mol) compared with Remdesivir (24.52 kcal/mol) against RdRp. An in vitro analysis showed a reduction in the number of lentiviral particles on transfected HEK293T-hACE2 cells as assessed by pseudovirus inhibition assay. At the same time, the tested compounds showed non-toxic up to 100 µg/ml in normal cells by MTT assay. The study highlights the plausible clinical utility of this traditional medicine against SARS CoV2. 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subjects Amino acids
Angiotensin-Converting Enzyme 2
Apigenin - pharmacology
Biochemistry
Biomedical and Life Sciences
Coronaviruses
COVID-19
Cytotoxicity
Drug Discovery
Drugs
Genomes
Health sciences
HEK293 Cells
Humans
Hydrogen bonds
Life Sciences
Ligands
Organic Chemistry
Pharmacy
Polymer Sciences
Protein Binding
Proteins
RNA polymerase
Severe acute respiratory syndrome
Short Communication
title 2,4-Dihydroxycinnamic acid as spike ACE2 inhibitor and apigenin as RdRp inhibitor in Nimbamritadi Panchatiktam Kashayam against COVID-19: an in silico and in vitro approach
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