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http://hdl.handle.net/1942/3137
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DC Field | Value | Language |
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dc.contributor.author | VAN PUYMBROECK, Mark | - |
dc.contributor.author | Kuilman, MEM | - |
dc.contributor.author | Maas, RFM | - |
dc.contributor.author | Witkamp, RF | - |
dc.contributor.author | LEYSSENS, Luc | - |
dc.contributor.author | Van Miert, ASJPAM | - |
dc.contributor.author | HENDRIKS, Lutgardis | - |
dc.contributor.author | VANDERZANDE, Dirk | - |
dc.contributor.author | ADRIAENSENS, Peter | - |
dc.contributor.author | JACOBS, Marie-Paule | - |
dc.contributor.author | RAUS, Jef | - |
dc.date.accessioned | 2007-11-26T15:50:58Z | - |
dc.date.available | 2007-11-26T15:50:58Z | - |
dc.date.issued | 1999 | - |
dc.identifier.citation | JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES, 728(2). p. 217-232 | - |
dc.identifier.issn | 0378-4347 | - |
dc.identifier.uri | http://hdl.handle.net/1942/3137 | - |
dc.description.abstract | The metabolism of the illegal growth promoter ethylestrenol (EES) was evaluated in bovine liver cells and subcellular fractions of bovine liver preparations. Incubations with bovine microsomal preparations revealed that EES is extensively biotransformed into norethandrolone (NE), another illegal growth promoter. Furthermore, incubations of monolayer cultures of hepatocytes with NE indicated that NE itself is rapidly reduced to 17 alpha-ethyl-5 beta-estrane-3 alpha,17 beta-diol (EED). In vivo tests confirmed that, after administration of either EES or NE, EED is excreted as a major metabolite. Therefore, it was concluded that, both in urine and faeces samples, EED can be used as a biological marker for the illegal use of EES and/or NE. Moreover, by monitoring EED in urine or faeces samples, the detection period after NE administration is significantly prolonged. These findings were further confirmed by three cases of norethandrolone abuse in a routine screening program for forbidden growth promoters. (C) 1999 Elsevier Science B.V. All rights reserved. | - |
dc.language.iso | en | - |
dc.publisher | ELSEVIER SCIENCE BV | - |
dc.subject.other | steroids; 17 alpha-ethyl-5 beta-estrane-3 alpha,17 beta-diol; norethandrolone; ethylestrenol | - |
dc.title | 17α-ethyl-5β-estrane-3α,17β-diol, a biological marker for the abuse of norethandrolone and ethylestrenol in slaughter cattle | - |
dc.type | Journal Contribution | - |
dc.identifier.epage | 232 | - |
dc.identifier.issue | 2 | - |
dc.identifier.spage | 217 | - |
dc.identifier.volume | 728 | - |
local.format.pages | 16 | - |
dc.description.notes | Dr L Willems Inst VZW, Dept Drug & Residue Anal, B-3590 Diepenbeek, Belgium. Limburgs Univ Ctr, Dept SBG, B-3590 Diepenbeek, Belgium. TNO Pharma, NL-3700 AJ Zeist, Netherlands. Univ Utrecht, Dept Vet Pharmacol Pharm & Toxicol, NL-3508 TD Utrecht, Netherlands. Limburgs Univ Ctr, Dept MBW, B-3590 Diepenbeek, Belgium.Van Puymbroeck, M, Dr L Willems Inst VZW, Dept Drug & Residue Anal, Univ Campus,Bldg C, B-3590 Diepenbeek, Belgium. | - |
local.type.refereed | Refereed | - |
local.type.specified | Article | - |
dc.bibliographicCitation.oldjcat | A1 | - |
dc.identifier.doi | 10.1016/S0378-4347(99)00091-2 | - |
dc.identifier.isi | 000080813300007 | - |
item.accessRights | Closed Access | - |
item.contributor | VAN PUYMBROECK, Mark | - |
item.contributor | Kuilman, MEM | - |
item.contributor | Maas, RFM | - |
item.contributor | Witkamp, RF | - |
item.contributor | LEYSSENS, Luc | - |
item.contributor | Van Miert, ASJPAM | - |
item.contributor | HENDRIKS, Lutgardis | - |
item.contributor | VANDERZANDE, Dirk | - |
item.contributor | ADRIAENSENS, Peter | - |
item.contributor | JACOBS, Marie-Paule | - |
item.contributor | RAUS, Jef | - |
item.fulltext | No Fulltext | - |
item.fullcitation | VAN PUYMBROECK, Mark; Kuilman, MEM; Maas, RFM; Witkamp, RF; LEYSSENS, Luc; Van Miert, ASJPAM; HENDRIKS, Lutgardis; VANDERZANDE, Dirk; ADRIAENSENS, Peter; JACOBS, Marie-Paule & RAUS, Jef (1999) 17α-ethyl-5β-estrane-3α,17β-diol, a biological marker for the abuse of norethandrolone and ethylestrenol in slaughter cattle. In: JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES, 728(2). p. 217-232. | - |
item.validation | ecoom 2000 | - |
Appears in Collections: | Research publications |
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