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In silico discovery of novel potent antioxidants on the basis of pulvinic acid and coumarine derivatives and their experimental evaluation
Švajger, Urban (Avtor), Novič, Marjana (Avtor), Mravljak, Janez (Avtor), Anderluh, Marko (Avtor), Perdih, Andrej (Avtor), Martinčič, Rok (Avtor)

URLURL - Predstavitvena datoteka, za dostop obiščite http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0140602 Novo okno

Izvleček
A pigment from the edible mushroom Xerocomus badius norbadione A, which is a natural derivative of pulvinic acid, was found to possess antioxidant properties. Since the pulvinic acid represents a novel antioxidant scaffold, several other derivatives were recently synthe- tized and evaluated experimentally, along with some structurally related coumarine deriva- tives. The obtained data formed the basis for the construction of several quantitative structure-activity and pharmacophore models, which were employed in the virtual screening experiments of compound libraries and for the prediction of their antioxidant activity, with the goal of discovering novel compounds possessing antioxidant properties. A final prioriti- zation list of 21 novel compounds alongside 8 established antioxidant compounds was created for their experimental evaluation, consisting of the DPPH assay, 2-deoxyribose assay, ß-carotene bleaching assay and the cellular antioxidant activity assay. Ten novel com- pounds from the tetronic acid and barbituric acid chemical classes displayed promising anti- oxidant activity in at least one of the used assays, that is comparable to or even better than some standard antioxidants. Compounds 5 , 7 and 9 displayed good activity in all the assays, and were furthermore effective preventers of oxidative stress in human peripheral blood mononuclear cells, which are promising features for the potential therapeutic use of such compounds.

Jezik:Angleški jezik
Ključne besede:pulvinska kislina, oksidativni stres, antioksidanti
Vrsta gradiva:Delo ni kategorizirano (r6)
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FFA - Fakulteta za farmacijo
Leto izida:2015
Št. strani:str. 1-27, e0140602
Številčenje:Vol. 10, no. 10
UDK:577.334:616-008
ISSN pri članku:1932-6203
DOI:10.1371/journal.pone.0140602 Povezava se odpre v novem oknu
COBISS.SI-ID:3958129 Povezava se odpre v novem oknu
Število ogledov:490
Število prenosov:508
Metapodatki:XML RDF-CHPDL DC-XML DC-RDF
 
Skupna ocena:(0 glasov)
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Gradivo je del revije

Naslov:PloS one
Založnik:Public Library of Science
COBISS.SI-ID:2005896 Novo okno

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