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Anti-inflammatory effect of synthesized indole-based chalcone (2E)-3-(4-bromophenyl)-1-(1-indol-3-yl) prop-2-en-1-one: an and studies.

Publication Type : Journal Article

Publisher : Immunopharmacol Immunotoxicol

Source : Immunopharmacol Immunotoxicol, Volume 41, Issue 6, p.568-576 (2019)

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Keywords : Animals, Anti-Inflammatory Agents, carrageenan, Chalcones, inflammation, Lipopolysaccharides, male, Mice, Rats, Rats, Wistar, RAW 264.7 Cells

Campus : Kochi

School : School of Pharmacy

Department : Pharmaceutical Chemistry & Analysis

Year : 2019

Abstract : Chalcones are precursors of flavonoids with a wide range of pharmacological activities. This study evaluates the anti-inflammatory effect of indole based chalcone derivative (2E)-3-(4-bromophenyl)-1-(1H-indol-3-yl) prop-2-en-1-one (IC9) on lipopolysaccharide (LPS) activated murine macrophages RAW264.7 cells and carrageenan-induced acute model in rats. LPS-treated RAW264.7 cell lines and carrageenan-induced animal model were employed to evaluate the anti-inflammatory activity of IC9. The cell cytotoxicity studies were carried out by MTT assay. Reactive oxygen species (ROS) production and other inflammatory markers such as prostaglandin E2 (PGE2), nitric oxide (NO) as well as cyclooxygenase-2 (COX-2) activity were determined using ELISA. The RT-PCR was performed to determine mRNA expressions in the case of inducible nitric oxide synthase (iNOS), COX-2, Toll-like receptor-4 (TLR-4) and also nuclear translocation of NF-κB activity. LPS-activated RAW264.7 cells showed an increased level of ROS generation and other inflammatory markers such as PGE2, NO level and COX-2 activity. Expression of iNOS, COX- 2 and TLR-4 mRNA expression were also up-regulated along with nuclear translocation of NF-κB. On IC9 supplementation, all the above parameters of LPS-activated cells were found to be reversed, resembling the control group. Moreover, IC9 significantly inhibited paw swelling and exhibited maximum inhibition of 78.45% at low dose of 7.5 mg/kg.bwt. The targeting anti-inflammatory efficacy and profound NF-κB sensitive transcriptional regulatory mechanism of IC9 accounts for its effective anti-inflammatory action.

Cite this Research Publication : R. Sasidharan, Leelabaiamma, M. Sreedharan, Mohanan, R., Jose, S. P., Bijo Mathew, and Sukumaran, S., “Anti-inflammatory effect of synthesized indole-based chalcone (2E)-3-(4-bromophenyl)-1-(1-indol-3-yl) prop-2-en-1-one: an and studies.”, Immunopharmacol Immunotoxicol, vol. 41, no. 6, pp. 568-576, 2019.

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