Molecular modeling, enzyme activity, anti-inflammatory and antiarthritic activities of newly synthesized quinazoline derivatives

Author:

Abuelizz Hatem A.1,Hassane Anouar El2,Marzouk Mohamed23,Ezzeldin Essam4,Ali Azza A5,Al-Salahi Rashad1

Affiliation:

1. Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia

2. Department of Chemistry, College of Science & Humanities, Prince Sattam Bin Abdulaziz University, 83 Al-Kharj, Saudi Arabia

3. Chemistry of Natural Products Group, Center of Excellence for Advanced Sciences, National Research Centre, Dokki, Cairo 12622, Egypt

4. Drug Bioavailability Lab, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia

5. Department of Pharmacology & Toxicology, Faculty of Pharmacy, Al-Azhar University, Cairo, Egypt

Abstract

Aim: 16 thioxoquinazolines were evaluated in vivo for anti-inflammatory activity using carrageenan-induced paw edema assay. Results: In particular, out of the targets (1–16), compounds 4 and 6 displayed the highest anti-inflammatory activity (≥80%) and furtherly tested against complete Freund’s adjuvant-induced arthritic rats. Significant reduction in the serum level of IL-1β, COX-2 and prostaglandin E2 in the complete Freund’s adjuvant rats is demonstrated by compounds 4 and 6. Furthermore, compound 4 showed non-selective activity against COX-1 and COX 2, however, compound 6 was specific toward COX-2. Molecular docking study has demonstrated the possible binding modes of the active quinazolines 4 and 6 in the COX-2 active site. Conclusion: These targets could be used as templates for further development of new derivatives with potent anti-inflammatory activity.

Publisher

Future Science Ltd

Subject

Drug Discovery,Pharmacology,Molecular Medicine

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