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OTA metabolites in biologic fluids and C8-2’- deoxyguanosine OTA-DNA adducts as biomarker of human OTA exposure –Relation with BEN


Pfohl-Leszkowicz, Annie; Tozlovanu, Mariana; Faucet-Marquis, Virginie; Peraica, Maja; Stefanović, Vladislav; Manderville Richard
OTA metabolites in biologic fluids and C8-2’- deoxyguanosine OTA-DNA adducts as biomarker of human OTA exposure –Relation with BEN // Power of Fungi and Mycotoxins in Health and Disease / Antolović, Roberto ; Miličević, Tihomir (ur.).
Zagreb: Croatian Microbiological Society, 2011. str. 37-37 (predavanje, sažetak, znanstveni)


Naslov
OTA metabolites in biologic fluids and C8-2’- deoxyguanosine OTA-DNA adducts as biomarker of human OTA exposure –Relation with BEN

Autori
Pfohl-Leszkowicz, Annie ; Tozlovanu, Mariana ; Faucet-Marquis, Virginie ; Peraica, Maja ; Stefanović, Vladislav ; Manderville Richard

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
Power of Fungi and Mycotoxins in Health and Disease / Antolović, Roberto ; Miličević, Tihomir - Zagreb : Croatian Microbiological Society, 2011, 37-37

ISBN
978-953-7778-01-9

Skup
Power of Fungi and Mycotoxins in Health and Disease

Mjesto i datum
Primošten, Hrvatska, 19-21. 10. 2011.

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Neobjavljeni rad

Ključne riječi
OTA-DNA adducts; urine; blood; endemic nephropathy

Sažetak
The aim of this paper was to identify OTA-DNA adduct in blood and/or kidney of Serbian, Croatian, Bulgarian individuals exposed to OTA via food. OTA metabolites in blood and urine were analysed. DNA adduct were analysed by classical postlabeling technique and using the new high sensitive method allowing us to identified by LC/ms/ms the C8-2’-deoxyguanosine OTA (1 ; 2). In parallel, kidney DNA adduct and OTA metabolites in fluids biologic of rat fed four weeks with increasing amount of OTA were analysed. In families having forebears suffering BEN, OTA contamination occurrence was higher compared to non BEN families (3, 4). C8dG OTA adduct was detected in rat kidney as well as in human samples. OTB, OP-OA, 4-OH OTA, 10 OH OTA, two OTHQ metabolites (quinone form), DC OTHQ and GSH-OTA derivatives were identified in blood and urine. Female rat and women excreted faster and more efficiently OTA and OTA metabolites, whereas male rat and man accumulated OTA derivatives in blood. Simultaneous presence of other mycotoxins increases OTA-DNA adducts. Thus determination of OTA-DNA adducts and metabolites are relevant biomarkers for BEN.

Izvorni jezik
Engleski

Znanstvena područja
Temeljne medicinske znanosti



POVEZANOST RADA


Projekt / tema
022-0222148-2142 - Toksični učinci mikotoksina na ljude i životinje (Maja Peraica, )

Ustanove
Institut za medicinska istraživanja i medicinu rada, Zagreb

Autor s matičnim brojem:
Maja Peraica, (113106)