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In silico and in vivo characterization of cabralealactone, solasodin and salvadorin in a rat model: potential anti-inflammatory agents.

ABSTRACT: Background:The present study investigates the hepato- and DNA-protective effects of standardized extracts of Cleome brachycarpa (cabralealactone), Solanum incanum (solasodin), and Salvadora oleioides (salvadorin) in rats. Materials and methods:Hepatotoxicity was induced with intraperitoneal injection of carbon tetrachloride (CCl4) (1 mL/kg b.wt.) once a week for 12 weeks. The hepato- and DNA protective effects of the extracts in different combinations were compared with that of a standard drug Clavazin (200 mg/kg b.wt.). Tissue alanine aminotransferase, alpha-fetoprotein, tumor necrosis factor alpha (TNF-?), isoprostanes-2?, malondialdehyde, and 8-hydroxydeoxyguanosine, the significant hallmarks of oxidative stress, were studied. Results:Histopathological findings of the liver sections from the rat group which received CCl4+cabralealactone, solasodin, and salvadorin demonstrated improved centrilobular hepatocyte regeneration with moderate areas of congestion and infiltration comparable with Clavazin. For in silico study, the identified compounds were subjected to molecular docking with cyclooxygenase-2 and TNF-? followed by a molecular dynamics study, which indicated their potential as anti-inflammatory agents. Conclusion:Cabralealactone, solasodin, and salvadorin confer some hepatoprotective and DNA-damage protective effects against CCl4-induced toxicity. They successfully restored the normal architecture of hepatocytes and have the potential to be used as inhibitor to main culprits, that is, cyclooxygenase-2 and TNF-?. They can combat oxidative stress and liver injuries both as mono and combinational therapies. However, combination therapy has more ameliorating effects.

SUBMITTER: Malik A

PROVIDER: S-EPMC5973396 | biostudies-literature | 2018

REPOSITORIES: biostudies-literature

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In silico and in vivo characterization of cabralealactone, solasodin and salvadorin in a rat model: potential anti-inflammatory agents.

Malik Arif A Arooj Mahwish M Butt Tariq Tahir TT Zahid Sara S Zahid Fatima F Jafar Tassadaq Hussain TH Waquar Sulayman S Gan Siew Hua SH Ahmad Sarfraz S Mirza Muhammad Usman MU

Drug design, development and therapy 20180524

<h4>Background</h4>The present study investigates the hepato- and DNA-protective effects of standardized extracts of <i>Cleome brachycarpa</i> (cabralealactone), <i>Solanum incanum</i> (solasodin), and <i>Salvadora oleioides</i> (salvadorin) in rats.<h4>Materials and methods</h4>Hepatotoxicity was induced with intraperitoneal injection of carbon tetrachloride (CCl<sub>4</sub>) (1 mL/kg b.wt.) once a week for 12 weeks. The hepato- and DNA protective effects of the extracts in different combinatio ...[more]

PMID: 29872266

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Project description:Background: In silico characterization can help to explain the interaction between molecules and predict three-dimensional structures. Various studies have confirmed the glucose-lowering effects of plant extracts, ie, lupeol and iso-orientin, which enable them to be used as antidiabetic agents. Purpose: Aims of the present study were to evaluate the hypoglycemic activities of lupeol and iso-orientin in a rat model. The study proposed the effects of alloxan on blood glucose level, body weight, and oxidative stress. Materials and Methods: Thirty (n=30) Wistar albino rats were divided into six groups and were subjected to different combinations of the compounds. Levels of different stress markers, ie, malondialdehyde, superoxide dismutase, catalase, nitric oxide, glutathione, glutathione peroxide, glutathione reductase, and blood glucose levels were estimated with their respective methods. Whereas, for their in silico analysis, identified target proteins, GPR40, glucose-6-phosphatase, UCP2, glycogen phosphorylase, aldose reductase, and glucose transporter-4 were docked with lupeol and iso-orientin. Three-dimensional structures were predicted by ERRAT, Rampage, Verify3D, threading and homology approaches. Results: Blood glucose levels were significantly increased in rats receiving intraperitoneal injection of alloxan (208±6.94 mg/dL) as compared to controls (90±7.38 mg/dL). Infected rats were administered plant extracts; combined treatment of both extracts (lupeol+iso-orientin) significantly reduced the levels of blood glucose (129.06±6.29 mg/dL) and improved the antioxidant status. Fifteen structures of each selected protein were evaluated using various techniques. Consequently, satisfactory quality factors [GPR40 (96.41%), glucose-6-phosphatase (96.56%), UCP2 (72.56%), glycogen phosphorylase (87.24%), aldose reductase (82.46%), and glucose transporter-4 (94.29%)] were selected. Molecular docking revealed interacting residues, effective drug properties and their binding affinities (ie, -8.9 to -12.6 Kcal/mol). Conclusion: Results of the study affirmed the antidiabetic activities of lupeol and iso-orientin. Administration of these extracts (either individually or in combination) significantly reduced blood glucose levels and oxidative stress. Hence, it may be considered beneficial in the treatment of diabetes.

Project description:The fruits of Spondias mangifera (S. mangifera) have traditionally been used for the management of rheumatism in the northeast region of India. The present study explores the probable anti-arthritis and anti-inflammatory potential of S. mangifera fruit extract's ethanolic fraction (EtoH-F). To support this study, we first approached the parameters in silico by means of the active constituents of the plant (beta amyrin, beta sitosterol, oleonolic acid and co-crystallised ligands, i.e., SPD-304) via molecular docking on COX-1, COX-2 and TNF-α. Thereafter, the absorption, distribution, metabolism, excretion and toxicity properties were also determined, and finally experimental activity was performed in vitro and in vivo. The in vitro activities of the plant extract fractions were evaluated by means of parameters like 1,1-Diphenyl-2- picrylhydrazyl (DPPH), free radical-reducing potential, albumin denaturation, and protease inhibitory activity. The in vivo activity was evaluated using parameters like COX, TNF-α and IL-6 inhibition assay and arthritis score in Freund Adjuvant (CFA) models at a dose of 400 mg/kg b.w. per day of different fractions (hexane, chloroform, alcoholic). The molecular docking assay was performed on COX-1, COX-2 and TNF-α. The results of in vitro studies showed concentration-dependent reduction in albumin denaturation, protease inhibitors and scavenging activity at 500 µg/mL. Administration of the S. mangifera alcoholic fraction at the abovementioned dose resulted in a significant reduction (p < 0.01) in arthritis score, paw diameters, TNF-α, IL-6 as compared to diseased animals. The docking results showed that residues show a critical binding affinity with TNF-α and act as the TNF-α antagonist. The alcoholic fraction of S. mangifera extract possesses beneficial effects on rheumatoid arthritis as well as anti-inflammatory potential, and can further can be used as a possible agent for novel target-based therapies for the management of arthritis.

Dataset Information

In silico and in vivo characterization of cabralealactone, solasodin and salvadorin in a rat model: potential anti-inflammatory agents.

Publications

In silico and in vivo characterization of cabralealactone, solasodin and salvadorin in a rat model: potential anti-inflammatory agents.

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