Enantioselective liver microsomal sulphoxidation of albendazole in cattle: effect of nutritional status
- Autores
- Virkel, Guillermo Leon; Lifschitz, Adrian Luis; Soraci, Alejandro Luis; Sansinanea, Stenio Aldo; Lanusse, Carlos Edmundo
- Año de publicación
- 2000
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- 1. The enantioselective liver microsomal sulphoxidation of the benzimidazole anthelmintic, albendazole (ABZ), by cattle liver microsomes has been investigated. The influence of nutritional condition on this biotransformation process was also characterized. 2. ABZ was oxidized to its sulphoxide metabolite (ABZSO) in a NADPH concentration-dependent reaction and the (+) and (-) ABZSO enantiomers formed were identified. 3. Vmax (0.27 nmol ABZSO formed per min x mg(-1) microsomal protein) and Km (15.10 microM) for ABZ sulphoxidation by cattle liver microsomes were obtained. Different Vmax (0.11 and 0.16 nmol x min(-1) x mg(-1)) and Km (9.40 and 26.70 microM) characterized the enantioselective formation of (+) and (-) ABZSO antipodes, respectively. 4. Free fatty acid (FFA) concentrations and beta-hydroxybutyrate concentrations (beta-OHB) in serum and liver homogenates were significantly higher in feed-restricted (poor nutritional condition) compared with control animals in an optimal nutritional status. Serum protein concentrations and liver cytosolic glucose 6-phosphate dehydrogenase (G6PD) activity were significantly lower in the feed-restricted compared with control calf. 5. Animal nutritional condition affected the pattern of ABZ sulphoxidation. A higher Km for (total) ABZSO and (+) ABZSO production was observed in the calf subjected to a period of undernutrition. 6. A nutritionally induced impairment in the affinity of microsomal mixed-function oxidases responsible of ABZ oxidation may be responsible for the observed changes in the liver microsomal sulphoxidation of ABZ in the feed-restricted calf. Furthermore, undernutrition may affect primarily the FMO-mediated formation of (+) ABZSO. These in vitro observations agree with the changes observed in vivo following the administration of ABZ to the calf subjected to a dietary restriction.
Fil: Virkel, Guillermo Leon. Universidad Nacional del Centro de la Provincia de Buenos Aires. Facultad de Ciencias Veterinarias. Departamento de Fisiopatología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Lifschitz, Adrian Luis. Universidad Nacional del Centro de la Provincia de Buenos Aires. Facultad de Ciencias Veterinarias. Departamento de Fisiopatología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Soraci, Alejandro Luis. Universidad Nacional del Centro de la Provincia de Buenos Aires. Facultad de Ciencias Veterinarias. Departamento de Fisiopatología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Sansinanea, Stenio Aldo. Universidad Nacional del Centro de la Provincia de Buenos Aires. Facultad de Ciencias Veterinarias. Departamento de Fisiopatología; Argentina
Fil: Lanusse, Carlos Edmundo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional del Centro de la Provincia de Buenos Aires. Facultad de Ciencias Veterinarias. Departamento de Fisiopatología; Argentina - Materia
-
ALBENDAZOLE
BIOTRANSFORMATION
NUTRITIONAL STATUS
CATTLE - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/107812
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Enantioselective liver microsomal sulphoxidation of albendazole in cattle: effect of nutritional statusVirkel, Guillermo LeonLifschitz, Adrian LuisSoraci, Alejandro LuisSansinanea, Stenio AldoLanusse, Carlos EdmundoALBENDAZOLEBIOTRANSFORMATIONNUTRITIONAL STATUSCATTLEhttps://purl.org/becyt/ford/4.3https://purl.org/becyt/ford/41. The enantioselective liver microsomal sulphoxidation of the benzimidazole anthelmintic, albendazole (ABZ), by cattle liver microsomes has been investigated. The influence of nutritional condition on this biotransformation process was also characterized. 2. ABZ was oxidized to its sulphoxide metabolite (ABZSO) in a NADPH concentration-dependent reaction and the (+) and (-) ABZSO enantiomers formed were identified. 3. Vmax (0.27 nmol ABZSO formed per min x mg(-1) microsomal protein) and Km (15.10 microM) for ABZ sulphoxidation by cattle liver microsomes were obtained. Different Vmax (0.11 and 0.16 nmol x min(-1) x mg(-1)) and Km (9.40 and 26.70 microM) characterized the enantioselective formation of (+) and (-) ABZSO antipodes, respectively. 4. Free fatty acid (FFA) concentrations and beta-hydroxybutyrate concentrations (beta-OHB) in serum and liver homogenates were significantly higher in feed-restricted (poor nutritional condition) compared with control animals in an optimal nutritional status. Serum protein concentrations and liver cytosolic glucose 6-phosphate dehydrogenase (G6PD) activity were significantly lower in the feed-restricted compared with control calf. 5. Animal nutritional condition affected the pattern of ABZ sulphoxidation. A higher Km for (total) ABZSO and (+) ABZSO production was observed in the calf subjected to a period of undernutrition. 6. A nutritionally induced impairment in the affinity of microsomal mixed-function oxidases responsible of ABZ oxidation may be responsible for the observed changes in the liver microsomal sulphoxidation of ABZ in the feed-restricted calf. Furthermore, undernutrition may affect primarily the FMO-mediated formation of (+) ABZSO. These in vitro observations agree with the changes observed in vivo following the administration of ABZ to the calf subjected to a dietary restriction.Fil: Virkel, Guillermo Leon. Universidad Nacional del Centro de la Provincia de Buenos Aires. Facultad de Ciencias Veterinarias. Departamento de Fisiopatología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Lifschitz, Adrian Luis. Universidad Nacional del Centro de la Provincia de Buenos Aires. Facultad de Ciencias Veterinarias. Departamento de Fisiopatología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Soraci, Alejandro Luis. Universidad Nacional del Centro de la Provincia de Buenos Aires. Facultad de Ciencias Veterinarias. Departamento de Fisiopatología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Sansinanea, Stenio Aldo. Universidad Nacional del Centro de la Provincia de Buenos Aires. Facultad de Ciencias Veterinarias. Departamento de Fisiopatología; ArgentinaFil: Lanusse, Carlos Edmundo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional del Centro de la Provincia de Buenos Aires. Facultad de Ciencias Veterinarias. Departamento de Fisiopatología; ArgentinaTaylor & Francis Ltd2000-04info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfimage/x-ms-bmpapplication/pdfhttp://hdl.handle.net/11336/107812Virkel, Guillermo Leon; Lifschitz, Adrian Luis; Soraci, Alejandro Luis; Sansinanea, Stenio Aldo; Lanusse, Carlos Edmundo; Enantioselective liver microsomal sulphoxidation of albendazole in cattle: effect of nutritional status; Taylor & Francis Ltd; Xenobiotica; 30; 4; 4-2000; 381-3930049-82541366-5928CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1080/004982500237579info:eu-repo/semantics/altIdentifier/url/https://www.tandfonline.com/doi/abs/10.1080/004982500237579info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-03T09:58:52Zoai:ri.conicet.gov.ar:11336/107812instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-03 09:58:52.871CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Enantioselective liver microsomal sulphoxidation of albendazole in cattle: effect of nutritional status |
title |
Enantioselective liver microsomal sulphoxidation of albendazole in cattle: effect of nutritional status |
spellingShingle |
Enantioselective liver microsomal sulphoxidation of albendazole in cattle: effect of nutritional status Virkel, Guillermo Leon ALBENDAZOLE BIOTRANSFORMATION NUTRITIONAL STATUS CATTLE |
title_short |
Enantioselective liver microsomal sulphoxidation of albendazole in cattle: effect of nutritional status |
title_full |
Enantioselective liver microsomal sulphoxidation of albendazole in cattle: effect of nutritional status |
title_fullStr |
Enantioselective liver microsomal sulphoxidation of albendazole in cattle: effect of nutritional status |
title_full_unstemmed |
Enantioselective liver microsomal sulphoxidation of albendazole in cattle: effect of nutritional status |
title_sort |
Enantioselective liver microsomal sulphoxidation of albendazole in cattle: effect of nutritional status |
dc.creator.none.fl_str_mv |
Virkel, Guillermo Leon Lifschitz, Adrian Luis Soraci, Alejandro Luis Sansinanea, Stenio Aldo Lanusse, Carlos Edmundo |
author |
Virkel, Guillermo Leon |
author_facet |
Virkel, Guillermo Leon Lifschitz, Adrian Luis Soraci, Alejandro Luis Sansinanea, Stenio Aldo Lanusse, Carlos Edmundo |
author_role |
author |
author2 |
Lifschitz, Adrian Luis Soraci, Alejandro Luis Sansinanea, Stenio Aldo Lanusse, Carlos Edmundo |
author2_role |
author author author author |
dc.subject.none.fl_str_mv |
ALBENDAZOLE BIOTRANSFORMATION NUTRITIONAL STATUS CATTLE |
topic |
ALBENDAZOLE BIOTRANSFORMATION NUTRITIONAL STATUS CATTLE |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/4.3 https://purl.org/becyt/ford/4 |
dc.description.none.fl_txt_mv |
1. The enantioselective liver microsomal sulphoxidation of the benzimidazole anthelmintic, albendazole (ABZ), by cattle liver microsomes has been investigated. The influence of nutritional condition on this biotransformation process was also characterized. 2. ABZ was oxidized to its sulphoxide metabolite (ABZSO) in a NADPH concentration-dependent reaction and the (+) and (-) ABZSO enantiomers formed were identified. 3. Vmax (0.27 nmol ABZSO formed per min x mg(-1) microsomal protein) and Km (15.10 microM) for ABZ sulphoxidation by cattle liver microsomes were obtained. Different Vmax (0.11 and 0.16 nmol x min(-1) x mg(-1)) and Km (9.40 and 26.70 microM) characterized the enantioselective formation of (+) and (-) ABZSO antipodes, respectively. 4. Free fatty acid (FFA) concentrations and beta-hydroxybutyrate concentrations (beta-OHB) in serum and liver homogenates were significantly higher in feed-restricted (poor nutritional condition) compared with control animals in an optimal nutritional status. Serum protein concentrations and liver cytosolic glucose 6-phosphate dehydrogenase (G6PD) activity were significantly lower in the feed-restricted compared with control calf. 5. Animal nutritional condition affected the pattern of ABZ sulphoxidation. A higher Km for (total) ABZSO and (+) ABZSO production was observed in the calf subjected to a period of undernutrition. 6. A nutritionally induced impairment in the affinity of microsomal mixed-function oxidases responsible of ABZ oxidation may be responsible for the observed changes in the liver microsomal sulphoxidation of ABZ in the feed-restricted calf. Furthermore, undernutrition may affect primarily the FMO-mediated formation of (+) ABZSO. These in vitro observations agree with the changes observed in vivo following the administration of ABZ to the calf subjected to a dietary restriction. Fil: Virkel, Guillermo Leon. Universidad Nacional del Centro de la Provincia de Buenos Aires. Facultad de Ciencias Veterinarias. Departamento de Fisiopatología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Lifschitz, Adrian Luis. Universidad Nacional del Centro de la Provincia de Buenos Aires. Facultad de Ciencias Veterinarias. Departamento de Fisiopatología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Soraci, Alejandro Luis. Universidad Nacional del Centro de la Provincia de Buenos Aires. Facultad de Ciencias Veterinarias. Departamento de Fisiopatología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Sansinanea, Stenio Aldo. Universidad Nacional del Centro de la Provincia de Buenos Aires. Facultad de Ciencias Veterinarias. Departamento de Fisiopatología; Argentina Fil: Lanusse, Carlos Edmundo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional del Centro de la Provincia de Buenos Aires. Facultad de Ciencias Veterinarias. Departamento de Fisiopatología; Argentina |
description |
1. The enantioselective liver microsomal sulphoxidation of the benzimidazole anthelmintic, albendazole (ABZ), by cattle liver microsomes has been investigated. The influence of nutritional condition on this biotransformation process was also characterized. 2. ABZ was oxidized to its sulphoxide metabolite (ABZSO) in a NADPH concentration-dependent reaction and the (+) and (-) ABZSO enantiomers formed were identified. 3. Vmax (0.27 nmol ABZSO formed per min x mg(-1) microsomal protein) and Km (15.10 microM) for ABZ sulphoxidation by cattle liver microsomes were obtained. Different Vmax (0.11 and 0.16 nmol x min(-1) x mg(-1)) and Km (9.40 and 26.70 microM) characterized the enantioselective formation of (+) and (-) ABZSO antipodes, respectively. 4. Free fatty acid (FFA) concentrations and beta-hydroxybutyrate concentrations (beta-OHB) in serum and liver homogenates were significantly higher in feed-restricted (poor nutritional condition) compared with control animals in an optimal nutritional status. Serum protein concentrations and liver cytosolic glucose 6-phosphate dehydrogenase (G6PD) activity were significantly lower in the feed-restricted compared with control calf. 5. Animal nutritional condition affected the pattern of ABZ sulphoxidation. A higher Km for (total) ABZSO and (+) ABZSO production was observed in the calf subjected to a period of undernutrition. 6. A nutritionally induced impairment in the affinity of microsomal mixed-function oxidases responsible of ABZ oxidation may be responsible for the observed changes in the liver microsomal sulphoxidation of ABZ in the feed-restricted calf. Furthermore, undernutrition may affect primarily the FMO-mediated formation of (+) ABZSO. These in vitro observations agree with the changes observed in vivo following the administration of ABZ to the calf subjected to a dietary restriction. |
publishDate |
2000 |
dc.date.none.fl_str_mv |
2000-04 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/107812 Virkel, Guillermo Leon; Lifschitz, Adrian Luis; Soraci, Alejandro Luis; Sansinanea, Stenio Aldo; Lanusse, Carlos Edmundo; Enantioselective liver microsomal sulphoxidation of albendazole in cattle: effect of nutritional status; Taylor & Francis Ltd; Xenobiotica; 30; 4; 4-2000; 381-393 0049-8254 1366-5928 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/107812 |
identifier_str_mv |
Virkel, Guillermo Leon; Lifschitz, Adrian Luis; Soraci, Alejandro Luis; Sansinanea, Stenio Aldo; Lanusse, Carlos Edmundo; Enantioselective liver microsomal sulphoxidation of albendazole in cattle: effect of nutritional status; Taylor & Francis Ltd; Xenobiotica; 30; 4; 4-2000; 381-393 0049-8254 1366-5928 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/doi/10.1080/004982500237579 info:eu-repo/semantics/altIdentifier/url/https://www.tandfonline.com/doi/abs/10.1080/004982500237579 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf image/x-ms-bmp application/pdf |
dc.publisher.none.fl_str_mv |
Taylor & Francis Ltd |
publisher.none.fl_str_mv |
Taylor & Francis Ltd |
dc.source.none.fl_str_mv |
reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
reponame_str |
CONICET Digital (CONICET) |
collection |
CONICET Digital (CONICET) |
instname_str |
Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.name.fl_str_mv |
CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.mail.fl_str_mv |
dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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1842269547679186944 |
score |
13.13397 |