Design and synthesis of novel uracil-linked Schiff bases as dual histone deacetylase type II/topoisomerase type I inhibitors with apoptotic potential

Author:

El-Kalyoubi Samar1ORCID,Elbaramawi Samar S2ORCID,Eissa Ahmed G2,Al-Ageeli Essam3ORCID,Hobani Yahya Hasan4,El-Sharkawy Aya Ali5,Mohamed Hossam Taha56,Al-Karmalawy Ahmed A7ORCID,Abulkhair Hamada S89ORCID

Affiliation:

1. Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Port Said University, Port Said, 42511, Egypt

2. Department of Medicinal Chemistry, Faculty of Pharmacy, Zagazig University, Zagazig, 44519, Egypt

3. Department of Clinical Biochemistry (Medical Genetics), Faculty of Medicine, Jazan University, Jazan, 82621, Saudi Arabia

4. Medical Laboratory Technology Department, College of Applied Medical Sciences, Jazan University, Jazan, 82621, Saudi Arabia

5. Zoology Department, Faculty of Science, Cairo University, Cairo, 12613, Egypt

6. Faculty of Biotechnology, October University for Modern Sciences & Arts, Giza, 12451, Egypt

7. Pharmaceutical Chemistry Department, Faculty of Pharmacy, Ahram Canadian University, 6th of October City, Giza, 12566, Egypt

8. Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy, Al-Azhar University, Nasr City, 11884, Cairo, Egypt

9. Pharmaceutical Chemistry Department, Faculty of Pharmacy, Horus University-Egypt, International Coastal Road, New Damietta, 34518, Egypt

Abstract

Aim: The previously reported dual histone deacetylase type II (HDAC II) / topoisomerase type I (Topo I) inhibitors suffer pharmacokinetic limitations because of their huge molecular weights. Materials & methods: We report the design and synthesis of a smarter novel set of uracil-linked Schiff bases (19–30) as dual HDAC II/Topo I inhibitors keeping the essential pharmacophoric features. Cytotoxicity of all compounds was assessed against three cancer cell lines. Studies of their effects on the apoptotic BAX and antiapoptotic BCL2 genes, molecular docking studies, and absorption, distribution, metabolism and excretion studies were conducted. Results: Compounds 22, 25 and 30 exhibited significant activities. The bromophenyl derivative 22 displayed the best selectivity index, with IC50values against HDAC II and Topo I of 1.12 and 13.44 μM, respectively. Conclusion: Compound 22 could be considered a lead HDAC II/Topo I inhibitor.

Publisher

Future Science Ltd

Subject

Drug Discovery,Pharmacology,Molecular Medicine

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