Abstract
Background: Hyperuricemia is associated with several disease conditions, such as atherosclerosis,
arthritis, kidney stones, and many others. Xanthine oxidase (XO) is an enzyme that catalyzes
the conversion of xanthine to uric acid. Hence, XO is a major therapeutic drug target in the
treatment of hyperuricemia and associated disorders.
Objectives: The current study aimed to identify XO inhibitors based on quinazoline derivatives, with
the potential to be used against gout and other hyperuricemia-associated diseases.
Methods: In the current study, eighteen quinazoline derivatives 2-19 were synthesized and assessed
for their in vitro xanthine Oxidase (XO) inhibitory activity. Furthermore, the most active compounds,
5 and 17, were subjected to kinetics studies, followed by computational docking. Human BJ
fibroblast cells were used to measure the cytotoxicity of active compounds.
Results: Compounds 4-6, 8, 10, 13, 15-17, and 19 were found active against XO, with an IC50 values
between 33.688 to 362.173μM. The obtained results showed that compounds 5 and 17 possess a significant
xanthine oxidase inhibitory activity. The kinetics and molecular docking studies suggested
that compounds 5 (IC50 = 39.904 ± 0.21 μM) and 17 (IC50 = 33.688 ± 0.30 μM) bind in the allosteric
site of XO and exhibit a non-competitive type of inhibition. The molecular docking studies also predicted
that the NH group of the pyrimidine ring binds with Ser344 residues of XO. Furthermore, all
active compounds were non-cytotoxic on the human BJ fibroblasts cell line.
Conclusion: This study identifies a series of quinazoline compounds as xanthine oxidase inhibitors,
with the potential to be further investigated.
Keywords:
Xanthine oxidase (XO), quinazoline, non-competitive, hyperuricemia, arthritis, molecular docking.
Graphical Abstract
[8]
Yang, D.; Yuan, J.J.Z.W.Z.C.J.M. The treatment of hyperuricemia and microecological treatment progress. Zhongguo Weishengtaxixue Zazhi. Zhongguo Weishengtaixue Zazhi, 2011, 23(10), 950-955.
[14]
Hashem, H.E. In: Quinazolinone and Quinazoline Derivatives; IntechOpen: London, 2020, p. 41.
[15]
Arora, P.; Arora, V.; Lamba, H.; Wadhwa, D.J.I.J.P.S. Research, importance of heterocyclic chemistry: A review. Int. J. Pharm. Sci. Res., 2012, 3(9), 2947.
[21]
Patel, H.U.; Patel, R.S.; Patel, C.N.J.J.A.P.S. Synthesis and antihypertensive activity of some quinazoline derivatives. J. Appl. Pharm. Sci., 2013, 3(3), 171.
[33]
El-Azab, A.S.; Khalil, N.Y.; Abdel-Aziz, A.A-M. Remarkable conversion of 2-Thioxo-2, 3-dihydroquinazolin-4 (1H)-ones into the corresponding quinazoline-2, 4 (1H, 3H)-diones: Spectroscopic analysis and X-ray crystallography. J. Chem., 2021, 2021, 6612177.
[34]
Ansari, S.; Mohammadi-Khanaposhtani, M.; Asgari, M.S.; Esfahani, E.N.; Biglar, M.; Larijani, B.; Rastegar, H.; Hamedifar, H.; Mahdavi, M.; Tas, R. Design, synthesis, in vitro and in silico biological assays of new quinazolinone-2-thio-metronidazole derivatives. J. Mol. Struct., 2021, 1244, 130889.
[35]
Yan, G.; Zekarias, B.L.; Li, X.; Jaffett, V.A.; Guzei, I.A.; Golden, J.E. Divergent 2-Chloroquinazolin-4 (3H)-one rearrangement: Twisted-cyclic guanidine formation or ring-fused N-Acylguanidines via a domino process. In: Chemistry (Weinheim an der Bergstrasse, Germany,; , 2020; 26, p. (11)2486.
[40]
[https://www.aldlab.com/en/productind.html
[41]
Gil, A.M.; Ayuso-Gontan, C.B.G.; García Fernández, A.M.; Pérez Fernández, D.I. S-substituted quinazolines and their therapeutic applications for the treatment of diseases mediated by PDE7. Quinazolinas S-sustituidas y sus aplicaciones terapéuticas para el tratamiento de enfermedades mediadas por PDE7. U.S. Patent 9796687B2, October 24, 2017.
[46]
Banerjee, R.; Lakhan, R.; Shukla, B. Simple preparation of 1-Methyl-3-aryl-2-thio-2, 4 (1H, 3H)-quinazolinediones as potential antimicrobial agents. ChemInform, 1999, 30(8) no-no.