ArticleApplied biochemistry and biotechnology2024
Role of Structural Peculiarities of Flavonoids in Suppressing AGEs Generated From HSA/Glucose System.
Article in Applied biochemistry and biotechnology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 8 citations in OpenAlex.
- Article
- In Silico ADME Methods Used in the Evaluation of Natural Products.Pharmaceutics · 2025Review
- Effects ofInternational journal of molecular sciences · 2025Article
- Identification of cholinesterases inhibitors from flavonoids derivatives for possible treatment of Alzheimer's disease:Current research in structural biology · 2024Article
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3 authors at 2 institutions in 1 country.
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Abstract
The pathogenesis of diabetes is related to the amount of advanced glycation end products (AGEs) that are naturally generated from the attachment of glucose with tissue and circular proteins. Human serum albumin (HSA) is more susceptible to AGE occurrence than other circular proteins due to its sensitive sites and high abundance. Considering the location of hydroxyl groups in the structure of flavonoids, which play a major role in suppressing of AGEs generating pathways, the present study was conducted to compare the effect of the chemical peculiarities of five flavonoids: apigenin (AP), naringenin (NA), luteolin (LU), Quercetin (QU), and methylquercetin (MQ), in suppressing AGEs generated in the HSA/glucose system. The results showed that all used flavonoids are capable of quenching the fluorescence intensity of AGEs in vitro. Analytical methods including UV-visible spectroscopy, CD spectro-polarimetry, TNBS, DTNB, DNPH, Congo red assay, ThT, and ANS fluorescence were used to deeper analysis of flavonoid performance. The anti-AGE effects of flavonoids followed the order of LU > QU > MQ > AP > NA. Docking results showed that flavonoids are associated with glycation-prone lysines and arginine residues in the "Sudlow pocket" through non-covalent interactions. Hydroxylation at the C4' and the double bond between C2-C3 increase the antiglycation potential of used flavonoids, while methylation of the OH group at the C3 position decreases this effect. It was also found that hydroxylation at C3 can play a dual role in anti-glycation ability. These findings may introduce a new approach to the structure-inhibition relationship of flavonoids in the design of operative anti-glycemic agents.
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