In vitro cytotoxicity assay, mushroom tyrosinase inhibitory activity and release analysis of kojic monooleate nanodelivery system and In silico molecular docking study against 2Y9X target enzyme

Author(s):  
Muhammad Azimuddin Roselan ◽  
Norzalina Zakaria ◽  
Nur Hana Faujan ◽  
Muhammad Alif Mohammad Latif ◽  
Siti Munirah Mohd Faudzi ◽  
...  
2020 ◽  
Vol 32 (6) ◽  
pp. 1482-1490
Author(s):  
Manju Mathew ◽  
Raja Chinnamanayakar ◽  
Ezhilarasi Muthuvel Ramanathan

A series of 1-(5-(5-(4-chlorophenyl)furan-2-yl)-4,5-dihyropyrazol-1-yl ethanone (5a-h) was synthesized through E-(3-(5-(4-chloro-phenyl)furan-2-yl)-1-phenylprop-2-en-1-one (3a-h) with hydrazine monohydrate and sodium acetate. Totally, eight compounds were synthesized and their structures were elucidated by infrared, 1H & 13C NMR, elemental analysis, antimicrobial studies, in silico molecular docking studies and also in silico ADME prediction. Antimicrobial studies of the synthesized compounds showed good to moderate activity against the all the stains compared with standard drugs. in silico Molecular docking study was carried out using bacterial protein and BC protein. Synthesized compounds (5a-h) showed good docking score compared with ciprofloxacin. Antimicrobial study was carried out for 4-chlorophenyl furfuran pyrazole derivatives (5a-h). The results of assessment of toxicities, drug likeness and drug score profiles of compounds (5a-j) are promising


Author(s):  
Gejalakshmi S. ◽  
Harikrishnan N. ◽  
Anas S. Mohameid

Background: Diabetes mellitus is a metabolic condition characterized by elevated blood glucose levels in the bloodstream. It occurs due to the inadequate amount of insulin secreted in the body or resistance of insulin receptors. Objective: In the present study, for its effect on alpha-amylase and alpha-glucosidase enzymes, Oroxylum indicuma flavone glycoside was assessed using in-vitro assays by removing the respective enzymes from whole wheat and barley in conjunction with in-silico analysis. Method: in-vitro alpha amylase inhibitory activity and in-vitro alpha glucosidase inhibitory activity was performed using acarbose as a standard drug. The molecular docking study was performed using Schrodinger (Maestro V 11.5) software. The parameters glide score, Lipinski rule for drug likeliness, bioactive scoring and ADME properties were assessed in the docking study. In addition, baicalein's antioxidant function was assessed using DPPH assay, nitric oxide scavenging activity. The cytotoxicity of Oroxylum indicumwas evaluated using the Brine shrimp lethality assay. Results: The alpha-amylase assay performed showed IC50 value of 48.40 µg/ml for Oroxylum indicumwhereas alpha-glucosidase assay showed an IC50 value of 16.03 µg/ml. Oroxylum indicumshows the glide score of-5.565 with 5EOF and glide score of -5.339 with 5NN8 in the molecular docking study. The highest percentage of DPPH radical scavenging activity and nitrous oxide scavenging activity were found to be.27% at160 µg/ml and 50.02% at the concentrations of 160 µg/ml respectively. Conclusion: Based on further in vivo and clinical trials, Oroxylum indicummay be used for the management of hyperglycaemia.


Author(s):  
Devidas G. Anuse ◽  
Suraj N. Mali ◽  
Bapu R. Thorat ◽  
Ramesh S. Yamgar ◽  
Hemchandra K. Chaudhari

Background: Antimicrobial resistance is major global health problem, which is being rapidly deteriorating the quality of human health. Series of substituted N-(benzo[d]thiazol-2-yl)-2-(4-(6-fluorobenzo[d]isoxazol-3-yl)piperidin-1-yl)acetamide (3a-j) were synthesized from substituted N-(benzo[d]thiazol-2-yl)-2-chloroacetamide/bromopropanamide (2a-j) and 6-fluoro-3-(piperidin-4-yl)benzo[d]isoxazole (2) and further evaluated for their docking properties and antimicrobial activity. Methods: All synthesized compounds were characterized by FT-IR, NMR and Mass spectral analysis. All compounds were allowed to dock against different antimicrobial targets having PDB ID: 1D7U and against common antifungal target having PDB ID: 1EA1. Results: The compounds 3d and 3h were showed good activity against Methicillin-resistant Staphylococcus aureus (MRSA, resistance Gram-positive bacteria). All synthesized compounds showed good to moderate activity against selected bacterial and fungal microbial strains. If we compared the actual in-vitro antimicrobial activity and in-silico molecular docking study, we found that molecules 3i and 3h were more potent than the others. Conclusion: Our current study would definitely pave the new way towards designing and synthesis of more potent 2-aminobenzothiazoles derivatives.


2020 ◽  
Vol 54 (2s) ◽  
pp. s295-s300
Author(s):  
Jeswiny Rodrigues ◽  
Kirankumar Hullatti ◽  
Sunil Jalalpure ◽  
Pukar Khanal

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