Preliminary evaluation of ER- and AhR-mediated gene expression patterns in rainbow trout (Oncorhynchus mykiss) liver after short-term exposure to zearalenone in binary mixtures

• Autorzy: Woźny M. , Brzuzan P. , Wolińska L. , Góra M. , Łuczyński M. K.
• Języki publikacji: EN

Abstrakty

EN

While estrogenic properties of mycotoxin zearalenone (ZEA) has been an extensively studied issue, little is known about molecular background of its biological responses that cannot be simply explained by the estrogenic potential. The present study describes effects of ZEA (10mg*kg-1 body weight) in binary mixtures either with benzo[a]pyrene (B[a]P), or with 17β-estradiol (E2) on ER- and AhR-dependent gene expression in juvenile rainbow trout liver, evaluated using Real-Time qPCR. The study revealed dual nature of ZEA, as the treatment with this compound alone increased mRNA levels of both ER- and AhR-mediated gene expression. However, our results did not show any synergistic or additive effect of ZEA in binary mixures with E2 or B[a]P on studied gene expression levels. Whether the intriguing potential of ZEA to elicit distinct signals was a result of binding affinity to AhR or/and ER and AhR mutual receptor interactions, should be investigated in further experiments.

Słowa kluczowe

EN

aryl hydrocarbon receptor; benzo(a)pyrene; crosstalk; 17beta-estradiol; estrogen receptor; zearalenone

PL

receptor AhR; benzo(a)piren; ścieżka sygnałowa; 17beta-estradiol; receptor estrogenowy; zearalenone

• Wydawca: University of Warmia and Mazury in Olsztyn, Poland
• Czasopismo: Environmental Biotechnology
• Rocznik: 2010
• Tom: Vol. 6, No. 1
• Strony: 16--23
• Opis fizyczny: Bibliogr. 44 poz., tab., wykr.

Twórcy

autor

Woźny M.

autor

Brzuzan P.

autor

Wolińska L.

autor

Góra M.

autor

Łuczyński M. K.

• Department of Environmental Biotechnology, University of Warmia and Mazury in Olsztyn, ul. Słoneczna 45G, 10-718 Olsztyn, Poland, tel. [phone]; fax. [phone],

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