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dc.contributor.author
Lajmanovich, Rafael Carlos
dc.contributor.author
Peltzer, Paola Mariela
dc.contributor.author
Attademo, Andres Maximiliano
dc.contributor.author
Colussi, Carlina Leila
dc.contributor.author
Martinuzzi, Candela Soledad
dc.date.available
2021-07-13T15:54:55Z
dc.date.issued
2018-03
dc.identifier.citation
Lajmanovich, Rafael Carlos; Peltzer, Paola Mariela; Attademo, Andres Maximiliano; Colussi, Carlina Leila; Martinuzzi, Candela Soledad; Blood biomarkers of common toad Rhinella arenarum following chlorpyrifos dermal exposure; Sciendo; Interdisciplinary Toxicology; 11; 2; 3-2018; 148-154
dc.identifier.issn
1337-9569
dc.identifier.uri
http://hdl.handle.net/11336/135969
dc.description.abstract
Chlorpyrifos (CPF) is a broad spectrum pesticide commonly used for insect control, has great affinity for lipids and is thus a potential for bioaccumulation in aquatic organisms. The aim of this study was to evaluate the toxicity of CPF using the common toad Rhinella arenarum via dermal uptake in plastic bucket to simulate their natural exposition in ponds. R. arenarum toads were exposed individually to solutions containing a nominal concentration of a commercial formulation of CPF insecticide (5 and 10 mg/L). Different enzyme biomarkers (BChE: butyrylcholinesterase, CbE: carboxylesterase, and CAT: catalase) were measured in blood tissue after exposition. The capacity of pyridine-2-aldoxime methochloride (2-PAM) to reverse OP-inhibited plasma BChE and the ratio of heterophils and lymphocytes (H/L) as hematological indicators of stress were also determined. The normal values of plasma B-sterases (BChE and CbE) were highly inhibited (until ≈ 70%) in toads 48 h after exposure to CPF. The results indicate that 2-PAM produced BChE reactivation as well. The activity of CAT was also inducted for dermal exposure at more than double of that in the control toads (CPF; 5 mg/L). H/L ratios did not reveal a significantly increased stress. The study suggests that CPF via dermal uptake induced neurotoxicity and oxidative stress in the common toad R. areanum. Thus, some blood biomarkers employed in our study (i.e. BChE, CbE, 2-PAM, and CAT) might be used as predictors in health and ecological risk assessment of amphibian populations exposed to CPF.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Sciendo
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.subject
B-ESTERASES
dc.subject
BLOOD
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CATALASE
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CHLORPYRIFOS DERMAL EXPOSURE
dc.subject
RHINELLA ARENARUM
dc.subject.classification
Bioquímica y Biología Molecular
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Ciencias Biológicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
Blood biomarkers of common toad Rhinella arenarum following chlorpyrifos dermal exposure
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2021-07-13T12:29:33Z
dc.journal.volume
11
dc.journal.number
2
dc.journal.pagination
148-154
dc.journal.pais
Eslovaquia
dc.description.fil
Fil: Lajmanovich, Rafael Carlos. Universidad Nacional del Litoral. Facultad de Bioquímica y Ciencias Biológicas. Laboratorio de Saneamiento Ambiental. Cátedra de Ecotoxicología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe; Argentina
dc.description.fil
Fil: Peltzer, Paola Mariela. Universidad Nacional del Litoral. Facultad de Bioquímica y Ciencias Biológicas. Laboratorio de Saneamiento Ambiental. Cátedra de Ecotoxicología; Argentina
dc.description.fil
Fil: Attademo, Andres Maximiliano. Universidad Nacional del Litoral. Facultad de Bioquímica y Ciencias Biológicas. Laboratorio de Saneamiento Ambiental. Cátedra de Ecotoxicología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe; Argentina
dc.description.fil
Fil: Colussi, Carlina Leila. Universidad Nacional del Litoral. Facultad de Bioquímica y Ciencias Biológicas. Laboratorio de Saneamiento Ambiental. Cátedra de Ecotoxicología; Argentina
dc.description.fil
Fil: Martinuzzi, Candela Soledad. Universidad Nacional del Litoral. Facultad de Bioquímica y Ciencias Biológicas. Laboratorio de Saneamiento Ambiental. Cátedra de Ecotoxicología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe; Argentina
dc.journal.title
Interdisciplinary Toxicology
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.2478/intox-2018-0011
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