Role of dihydromyricetin in cytochrome P450-mediated metabolism and carcinogen activation
Identifikátory výsledku
Kód výsledku v IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11310%2F15%3A10313397" target="_blank" >RIV/00216208:11310/15:10313397 - isvavai.cz</a>
Nalezeny alternativní kódy
RIV/00216208:11160/15:10313397
Výsledek na webu
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DOI - Digital Object Identifier
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Alternativní jazyky
Jazyk výsledku
angličtina
Název v původním jazyce
Role of dihydromyricetin in cytochrome P450-mediated metabolism and carcinogen activation
Popis výsledku v původním jazyce
OBJECTIVES: Dihydromyricetin (DHM) is a flavonoid, which has been shown to antagonize effects of ethanol intoxication. As a potential pharmacological agent, its biological interactions with enzymes metabolizing foreign compounds should be tested. Thus, the aim of this study was to analyze the influence of DHM on the induction and metabolic activity of selected cytochromes P450 (CYPs). METHODS: After flavonoid administration by oral gavage to stomach the CYP expression at protein and mRNA levels was determined in rat liver and small intestine. The effects of flavonoids on CYP1A1/2, CYP1A2 or CYP2B1/2 enzyme activities in microsomes were measured using marker activities of these enzymes. Flavonoid-mediated inhibition of recombinant CYP1A2 was also assayed with luciferin-ME substrate. The flavonoid interaction with aryl hydrocarbon receptor (AhR) was assayed by reporter luciferase activity in Hep2G cells. RESULTS: The value of half maximal inhibitory concentration of DHM for CYP1A1/2, CYP
Název v anglickém jazyce
Role of dihydromyricetin in cytochrome P450-mediated metabolism and carcinogen activation
Popis výsledku anglicky
OBJECTIVES: Dihydromyricetin (DHM) is a flavonoid, which has been shown to antagonize effects of ethanol intoxication. As a potential pharmacological agent, its biological interactions with enzymes metabolizing foreign compounds should be tested. Thus, the aim of this study was to analyze the influence of DHM on the induction and metabolic activity of selected cytochromes P450 (CYPs). METHODS: After flavonoid administration by oral gavage to stomach the CYP expression at protein and mRNA levels was determined in rat liver and small intestine. The effects of flavonoids on CYP1A1/2, CYP1A2 or CYP2B1/2 enzyme activities in microsomes were measured using marker activities of these enzymes. Flavonoid-mediated inhibition of recombinant CYP1A2 was also assayed with luciferin-ME substrate. The flavonoid interaction with aryl hydrocarbon receptor (AhR) was assayed by reporter luciferase activity in Hep2G cells. RESULTS: The value of half maximal inhibitory concentration of DHM for CYP1A1/2, CYP
Klasifikace
Druh
J<sub>x</sub> - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
CEP obor
CE - Biochemie
OECD FORD obor
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Návaznosti výsledku
Projekt
<a href="/cs/project/GBP303%2F12%2FG163" target="_blank" >GBP303/12/G163: Centrum interakcí potravních doplňků s léčivy a nutrigenetiky</a><br>
Návaznosti
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Ostatní
Rok uplatnění
2015
Kód důvěrnosti údajů
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Údaje specifické pro druh výsledku
Název periodika
Neuroendocrinology Letters
ISSN
0172-780X
e-ISSN
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Svazek periodika
36
Číslo periodika v rámci svazku
Suppl. 1
Stát vydavatele periodika
SE - Švédské království
Počet stran výsledku
7
Strana od-do
46-52
Kód UT WoS článku
000369404400006
EID výsledku v databázi Scopus
2-s2.0-84959366537