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Antihypertensive activity, toxicity and molecular docking study of newly synthesized xanthon derivatives (xanthonoxypropanolamine).

ABSTRACT: CONTEXT:Xanthone derivatives have been reported to possess a wide range of biological properties. In effort to search new effective antihypertensive compounds, we have synthesizednovel xanthone derivatives (xanthonoxypropanolamines) and got patent for these compounds (The Patent Office, Government of India, S. No.: 011-016308, Patent No.: 250538). OBJECTIVE:In the present work, we attempted to establish the antihypertensive activity, toxicity and molecular docking study forthese newly synthesized compounds (1a, 1b and 2). MATERIALS AND METHOD:The preliminary antihypertensive screening was performed by administering synthesized compounds and standard drugs intraperitonially and orally into wistar rats. The change in systolic, diastolic and the mean blood pressure before and after the treatment of the drugs was measured on a Digital LE-S100 Blood Pressure Meter by Tail-cuff method non-invasively. Toxicity studies were carried out after oral administration of synthesized compounds to rats at doses of 25, 50, and 100mg/kg. The serum samples were tested for different toxicity parameters such as liver function test, kidney function test etc. The docking simulations of all the compounds were performed using Maestro, version 9.4 implemented from Schrodinger software suite. RESULTS AND DISCUSSION:The result showed that the compound 1a, 1b and 2 have greater antihypertensive activity with almost equal or less toxicity profile in comparison to standard drug Propranolol and Atenolol. The docking score for the compound 1b was found -9.1 while for compound 1a and 2 were found -8.7 and -8.6 respectively. CONCLUSION:These novel compounds i.e. 1a, 1b, and 2 have greater antihypertensive activity in comparison to standard drugs Propranolol and Atenolol. All these compounds do not have any toxicity.

SUBMITTER: Goshain O

PROVIDER: S-EPMC6695135 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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Antihypertensive activity, toxicity and molecular docking study of newly synthesized xanthon derivatives (xanthonoxypropanolamine).

Goshain Omprakash O Ahmed Bahar B

PloS one 20190815 8

<h4>Context</h4>Xanthone derivatives have been reported to possess a wide range of biological properties. In effort to search new effective antihypertensive compounds, we have synthesizednovel xanthone derivatives (xanthonoxypropanolamines) and got patent for these compounds (The Patent Office, Government of India, S. No.: 011-016308, Patent No.: 250538).<h4>Objective</h4>In the present work, we attempted to establish the antihypertensive activity, toxicity and molecular docking study forthese n ...[more]

PMID: 31415607

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Project description:A new series of nucleosides, moieties, and Schiff bases were synthesized from sulfadimidine. Infrared (IR), 1HNMR, 13C NMR, and mass spectrometry techniques and elemental analysis were employed to elucidate the synthesized compounds. The prepared analogues were purified by different chromatographic techniques (preparative TLC and column chromatography). Molecular docking studies of synthesized compounds 3a, 4b, 6a, and 6e demonstrated the binding mode involved in the active site of DNA gyrase. Finally, all synthesized compounds were tested against selected bacterial strains. The most effective synthesized compounds against S. aureus were 3a, 4d, 4b, 3b, 3c, 4c, and 6f, which exhibited inhibition zones of inhibition of 24.33 ± 1.528, 24.67 ± 0.577, 23.67 ± 0.577, 22.33 ± 1.528, 18.67 ± 1.528 and 19.33 ± 0.577, respectively. Notably, the smallest zones were observed for 4a, 6d, 6e and 6g (6.33 ± 1.528, 11.33 ± 1.528, 11.67 ± 1.528 and 14.66 ± 1.155, respectively). Finally, 6b and 6c gave negative zone values. K. pneumoniae was treated with the same compounds and the following results were obtained. The most effective compounds were 4d, 4c, 4b and 3c, which showed inhibition zones of 29.67 ± 1.528, 24.67 ± 0.577, 23.67 ± 1.155 and 19.33 ± 1.528, respectively, followed by 4a and 3d (15.33 ± 1.528 for both), while moderate results (13.67 ± 1.155 and 11.33 ± 1.528) were obtained for 6f and 6g, respectively. Finally, 6a, 6b, 6c, 3a, and 3b did not show any inhibition. The most effective compounds observed for the treatment of E. coli were 4d, 4b, 4c, 3d, 6e and 6f (inhibition zones of 26.33 ± 0.577, 21.67 ± 1.528, 21.67 ± 1.528, 19.67 ± 1.528, 17.67 ± 1.155 and 16.67 ± 1.155, respectively). Compounds 3b, 3c, 6a, 6c, and 6g gave moderate results (13.67 ± 1.528, 12.67 ± 1.528, 11.33 ± 0.577, 15.33 ± 1.528 and 12.67 ± 1.528, respectively), while 6b showed no effect. The MIC values against S. aureus ranged from 50 to 3.125 mg, while those against E. coli and K. pneumoniae ranged from 50 to 1562 mg. In vitro, the antibacterial effects were promising. Further research is required to study the in vivo antibacterial effects of these compounds and determine therapeutic doses.

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Antihypertensive activity, toxicity and molecular docking study of newly synthesized xanthon derivatives (xanthonoxypropanolamine).

Publications

Antihypertensive activity, toxicity and molecular docking study of newly synthesized xanthon derivatives (xanthonoxypropanolamine).

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