DNA-BINDING and DNA-protecting activities of small natural organic molecules and food extracts.

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ID: 101219
2020
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Abstract
The review summarizes literature data on the DNA-binding, DNA-protecting and DNA-damaging activities of a range of natural human endogenous and exogenous compounds. Small natural organic molecules bind DNA in a site-specific mode, by arranging tight touch with the structure of the major and minor grooves, as well as individual bases in the local duplex DNA. Polyphenols are the best-studied exogenous compounds from this point of view. Many of them demonstrate hormetic effects, producing both beneficial and damaging effects. An attempt to establish the dependence of DNA damage or DNA protection on the concentration of the compound turned out to be successful for some polyphenols, daidzein, genistein and resveratrol, which were DNA protecting in low concentrations and DNA damaging in high concentrations. There was no evident dependence on concentration for quercetin and kaempferol. Probably, the DNA-protecting effect is associated with the affinity to DNA. Caffeine and theophylline are DNA binders; at the same time, they favor DNA repair. Although most alkaloids damage DNA, berberine can protect DNA against damage. Among the endogenous compounds, hormones belonging to the amine class, thyroid and steroid hormones appear to bind DNA and produce some DNA damage. Thus, natural compounds continue to reveal beneficial or adverse effects on genome integrity and provide a promising source of therapeutic activities.
Reference Key
sjakste2020dnabindingchemicobiological Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Sjakste, Nikolajs;Djelić, Ninoslav;Dzintare, Maija;Živković, Lada;
Journal Chemico-biological interactions
Year 2020
DOI
S0009-2797(19)32014-9
URL
Keywords
inflammation lithium chloride coxasackievirus b3 virus replication

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