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dc.contributor.author
Mattalloni, Mara Soledad
dc.contributor.author
de Giovanni, Laura Noemi
dc.contributor.author
Molina, Juan Carlos
dc.contributor.author
Cancela, Liliana Marina
dc.contributor.author
Virgolini, Miriam Beatriz
dc.date.available
2017-10-03T13:55:31Z
dc.date.issued
2013-06
dc.identifier.citation
Mattalloni, Mara Soledad; de Giovanni, Laura Noemi; Molina, Juan Carlos; Cancela, Liliana Marina; Virgolini, Miriam Beatriz; Participation of catalase in voluntary Ethanol consumption in perinatally low-level lead-exposed rats; Wiley; Alcoholism: Clinical And Experimental Research; 37; 10; 6-2013; 1632-1642
dc.identifier.issn
0145-6008
dc.identifier.uri
http://hdl.handle.net/11336/25717
dc.description.abstract
Background: Environmental lead (Pb) exposure and alcohol abuse pose significant public health problems for our society. One of the proposed mechanisms of action of the developmental neurotoxicant Pb is related to its ability to affect antioxidant enzymes, including catalase (CAT). Ethanol's (EtOH) motivational effects are postulated to be mediated by the CAT-dependent acetaldehyde generated in the brain. The current study sought to investigate the role of this enzyme in the elevated EtOH intake previously reported in perinatally Pb-exposed rats. Methods: Thirty-five-day-old male Wistar rats exposed to 220 ppm Pb during gestation and lactation were offered escalating EtOH solutions (2 to 10%) or water, 2 h/d for 28 days. Once baseline 10% EtOH intake was achieved, they were injected with (i) saline (SAL), (ii) 3-amino 1,2,4 triazole (aminotriazole [AT], a CAT inhibitor, 250 mg/kg intraperitoneally [i.p.], 5 hours before the last 8 EtOH intake sessions), or (iii) 3-nitropropionic acid (3NPA; a CAT activator, 20 mg/kg subcutaneously [s.c.], 45 minutes before the last 4 EtOH intake sessions). Rats were then sacrificed, blood collected, and brain regions harvested for CAT activity determination. Additional studies evaluated EtOH intake and CAT activity in response to 10 and 30 mg/kg 3NPA. Both 3NPA and AT were evaluated for striatal cytotoxicity. Results: We observed that AT pretreatment blunted the increased EtOH intake, as well as the elevated CAT activity in blood, cerebellum, and hippocampus evidenced in the developmentally Pb-exposed rats that have consumed EtOH. Conversely, 20 mg/kg 3NPA further increased voluntary EtOH intake in these animals as compared with controls, concomitantly with a slight elevation in CAT activity both in blood and in the striatum, associated with no changes in striatal cytotoxicity. Conclusions: These results suggest a participation of CAT, and possibly acetaldehyde, in Pb-induced high EtOH intake, and open up new avenues to elucidate the mechanism that underlies the Pb and EtOH interaction.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Wiley
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Lead Exposure
dc.subject
Alcohol
dc.subject
Catalase
dc.subject
Acetaldehyde
dc.subject.classification
Bioquímica y Biología Molecular
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Medicina Básica
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CIENCIAS MÉDICAS Y DE LA SALUD
dc.title
Participation of catalase in voluntary Ethanol consumption in perinatally low-level lead-exposed rats
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2017-10-02T19:06:03Z
dc.journal.volume
37
dc.journal.number
10
dc.journal.pagination
1632-1642
dc.journal.pais
Estados Unidos
dc.journal.ciudad
Hoboken
dc.description.fil
Fil: Mattalloni, Mara Soledad. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Farmacología Experimental de Córdoba. Universidad Nacional de Córdoba. Facultad de Ciencias Químicas. Instituto de Farmacología Experimental de Córdoba; Argentina
dc.description.fil
Fil: de Giovanni, Laura Noemi. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Farmacología Experimental de Córdoba. Universidad Nacional de Córdoba. Facultad de Ciencias Químicas. Instituto de Farmacología Experimental de Córdoba; Argentina
dc.description.fil
Fil: Molina, Juan Carlos. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Investigación Médica Mercedes y Martín Ferreyra. Universidad Nacional de Córdoba. Instituto de Investigación Médica Mercedes y Martín Ferreyra; Argentina
dc.description.fil
Fil: Cancela, Liliana Marina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Farmacología Experimental de Córdoba. Universidad Nacional de Córdoba. Facultad de Ciencias Químicas. Instituto de Farmacología Experimental de Córdoba; Argentina
dc.description.fil
Fil: Virgolini, Miriam Beatriz. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Farmacología Experimental de Córdoba. Universidad Nacional de Córdoba. Facultad de Ciencias Químicas. Instituto de Farmacología Experimental de Córdoba; Argentina. Universidad Nacional de Córdoba. Facultad de Ciencias Químicas. Departamento de Farmacología; Argentina
dc.journal.title
Alcoholism: Clinical And Experimental Research
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1111/acer.12150
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://onlinelibrary.wiley.com/doi/10.1111/acer.12150/abstract
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