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• W4328133766 abstract "<ns4:p><ns4:bold>Background:</ns4:bold> The polyol pathway contributes to the development of diabetic complications but can be inhibited by plant phytochemicals. This study aimed at assessing analogs of specific flavonoids that delay onset of microvascular complications with better pharmacokinetic and toxicology profiles.</ns4:p><ns4:p> <ns4:bold>Methods:</ns4:bold> An <ns4:italic>in silico</ns4:italic> study design was employed. The phytochemicals luteolin and quercetin were selected. Analogs were obtained from ZINC database and prepared using Avogadro software. Docking analysis was done using AutoDock Vina embedded in Chimera. Ligand enzyme interaction was carried out using Biovia Discovery studio. Pharmacokinetic and toxicological profiling was carried out using SWISSADME and protox server. A total of 40 analogues were analyzed. Sulindac was used as the comparator besides original phytochemicals.</ns4:p><ns4:p> <ns4:bold>Results:</ns4:bold> Docking analysis showed both luteolin and quercetin (-9.7) had a slightly stronger affinity for inhibiting aldose reductase compared with sulindac (-9.6). Eight analogues of luteolin and 14 analogues of quercetin showed stronger affinity with the highest registered at -10.6. Both luteolin and quercetin did not violate the Lipinski rule, had high GI absorption, did not cross the blood brain barrier nor were p-glycoprotein substrates, and inhibited CYP1A2, CYP2D6 and CYP3A4. The LD50 of luteolin (3,919 mg/kg) was high indicating excellent safety profile. Quercetin had a low LD50 (159 mg/kg). All 22 analogues exhibited similar pharmacokinetic profiles to their respective phytochemical. However, they did differ in terms of docking strength and toxicology analysis. Six out of the eight luteolin analogues had LD50=3,919 mg/kg, while the remaining had LD50=159 mg/kg. Five quercetin analogues had LD50 of 159 mg/kg, another five had LD50=3,919 mg/kg and the rest had LD50=4,000 mg/kg, while the other two had a LD50 of 5,000 mg/kg.</ns4:p><ns4:p> <ns4:bold>Conclusions:</ns4:bold> In conclusion, six ZINC compounds similar to luteolin and nine similar to quercetin had stronger binding affinity for aldose reductase and superior toxicological profile compared to parent phytochemicals.</ns4:p>" @default.
• W4328133766 created "2023-03-22" @default.
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• W4328133766 date "2023-03-21" @default.
• W4328133766 modified "2023-09-26" @default.
• W4328133766 title "Virtual screening for chemical analogues similar to phytochemicals that inhibit aldose reductase in the development of diabetic microvascular complications" @default.
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• W4328133766 doi "https://doi.org/10.12688/f1000research.129663.1" @default.
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