Mechanisms of canalicular transporter endocytosis in the cholestatic rat liver

Autores
Miszczuk, Gisel Sabrina; Barosso, Ismael Ricardo; Larocca, Maria Cecilia; Marrone, Julieta; Marinelli, Raul Alberto; Boaglio, Andrea Carolina; Sanchez Pozzi, Enrique Juan; Roma, Marcelo Gabriel; Crocenzi, Fernando Ariel
Año de publicación
2018
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Impaired canalicular secretion due to increased endocytosis and intracellular retention of canalicular transporters such as BSEP and MRP2 is a main, common pathomechanism of cholestasis. Nevertheless, the mechanisms governing this process are unknown. We characterized this process in estradiol 17 β-D-glucuronide (E17G)-induced cholestasis, an experimental model which partially mimics pregnancy-induced cholestasis. Inhibitors of clathrin-mediated endocytosis (CME) such as monodansylcadaverine (MDC) or K+ depletion, but not the caveolin-mediated endocytosis inhibitors filipin and genistein, prevented E17G-induced endocytosis of BSEP and MRP2, and the associated impairment of activity of these transporters in isolated rat hepatocyte couplets (IRHC). Immunofluorescence and confocal microscopy studies showed that, in E17G-treated IRHC, there was a significant increase in the colocalization of MRP2 with clathrin, AP2, and Rab5, three essential members of the CME machinery. Knockdown of AP2 by siRNA in sandwich-cultured rat hepatocytes completely prevented E17G-induced endocytosis of BSEP and MRP2. MDC significantly prevented this endocytosis, and the impairment of bile flow and biliary secretion of BSEP and MRP2 substrates, in isolated and perfused livers. BSEP and MRP2, which were mostly present in raft (caveolin-enriched) microdomains in control rats, were largely found in non-raft (clathrin-enriched) microdomains in livers from E17G-treated animals, from where they can be readily recruited for CME. In conclusion, our findings show that CME is the mechanism responsible for the internalization of the canalicular transporters BSEP and MRP2 in E17G-induced cholestasis. The shift of these transporters from raft to non-raft microdomains could be a prerequisite for the transporters to be endocytosed under cholestatic conditions.
Fil: Miszczuk, Gisel Sabrina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Fisiología Experimental. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Fisiología Experimental; Argentina
Fil: Barosso, Ismael Ricardo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Fisiología Experimental. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Fisiología Experimental; Argentina
Fil: Larocca, Maria Cecilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Fisiología Experimental. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Fisiología Experimental; Argentina
Fil: Marrone, Julieta. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Fisiología Experimental. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Fisiología Experimental; Argentina
Fil: Marinelli, Raul Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Fisiología Experimental. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Fisiología Experimental; Argentina
Fil: Boaglio, Andrea Carolina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Fisiología Experimental. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Fisiología Experimental; Argentina
Fil: Sanchez Pozzi, Enrique Juan. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Fisiología Experimental. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Fisiología Experimental; Argentina
Fil: Roma, Marcelo Gabriel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Fisiología Experimental. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Fisiología Experimental; Argentina
Fil: Crocenzi, Fernando Ariel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Fisiología Experimental. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Fisiología Experimental; Argentina
Materia
CANALICULAR TRANSPORTERS
CLATHRIN-MEDIATED ENDOCYTOSIS
ESTROGEN-INDUCED CHOLESTASIS
LIPID RAFTS
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/90841
Acceder
id CONICETDig_b848cc71f660eaa3e6067905bcf11fe0
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network_name_str CONICET Digital (CONICET)
spelling Mechanisms of canalicular transporter endocytosis in the cholestatic rat liverMiszczuk, Gisel SabrinaBarosso, Ismael RicardoLarocca, Maria CeciliaMarrone, JulietaMarinelli, Raul AlbertoBoaglio, Andrea CarolinaSanchez Pozzi, Enrique JuanRoma, Marcelo GabrielCrocenzi, Fernando ArielCANALICULAR TRANSPORTERSCLATHRIN-MEDIATED ENDOCYTOSISESTROGEN-INDUCED CHOLESTASISLIPID RAFTShttps://purl.org/becyt/ford/3.1https://purl.org/becyt/ford/3Impaired canalicular secretion due to increased endocytosis and intracellular retention of canalicular transporters such as BSEP and MRP2 is a main, common pathomechanism of cholestasis. Nevertheless, the mechanisms governing this process are unknown. We characterized this process in estradiol 17 β-D-glucuronide (E17G)-induced cholestasis, an experimental model which partially mimics pregnancy-induced cholestasis. Inhibitors of clathrin-mediated endocytosis (CME) such as monodansylcadaverine (MDC) or K+ depletion, but not the caveolin-mediated endocytosis inhibitors filipin and genistein, prevented E17G-induced endocytosis of BSEP and MRP2, and the associated impairment of activity of these transporters in isolated rat hepatocyte couplets (IRHC). Immunofluorescence and confocal microscopy studies showed that, in E17G-treated IRHC, there was a significant increase in the colocalization of MRP2 with clathrin, AP2, and Rab5, three essential members of the CME machinery. Knockdown of AP2 by siRNA in sandwich-cultured rat hepatocytes completely prevented E17G-induced endocytosis of BSEP and MRP2. MDC significantly prevented this endocytosis, and the impairment of bile flow and biliary secretion of BSEP and MRP2 substrates, in isolated and perfused livers. BSEP and MRP2, which were mostly present in raft (caveolin-enriched) microdomains in control rats, were largely found in non-raft (clathrin-enriched) microdomains in livers from E17G-treated animals, from where they can be readily recruited for CME. In conclusion, our findings show that CME is the mechanism responsible for the internalization of the canalicular transporters BSEP and MRP2 in E17G-induced cholestasis. The shift of these transporters from raft to non-raft microdomains could be a prerequisite for the transporters to be endocytosed under cholestatic conditions.Fil: Miszczuk, Gisel Sabrina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Fisiología Experimental. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Fisiología Experimental; ArgentinaFil: Barosso, Ismael Ricardo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Fisiología Experimental. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Fisiología Experimental; ArgentinaFil: Larocca, Maria Cecilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Fisiología Experimental. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Fisiología Experimental; ArgentinaFil: Marrone, Julieta. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Fisiología Experimental. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Fisiología Experimental; ArgentinaFil: Marinelli, Raul Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Fisiología Experimental. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Fisiología Experimental; ArgentinaFil: Boaglio, Andrea Carolina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Fisiología Experimental. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Fisiología Experimental; ArgentinaFil: Sanchez Pozzi, Enrique Juan. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Fisiología Experimental. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Fisiología Experimental; ArgentinaFil: Roma, Marcelo Gabriel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Fisiología Experimental. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Fisiología Experimental; ArgentinaFil: Crocenzi, Fernando Ariel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Fisiología Experimental. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Fisiología Experimental; ArgentinaElsevier Science2018-04info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/90841Miszczuk, Gisel Sabrina; Barosso, Ismael Ricardo; Larocca, Maria Cecilia; Marrone, Julieta; Marinelli, Raul Alberto; et al.; Mechanisms of canalicular transporter endocytosis in the cholestatic rat liver; Elsevier Science; Biochimica et Biophysica Acta - Molecular Basis of Disease; 1864; 4; 4-2018; 1072-10850925-4439CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1016/j.bbadis.2018.01.015info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0925443918300164info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-nd/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-03T09:48:05Zoai:ri.conicet.gov.ar:11336/90841instacron: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 09:48:06.059CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Mechanisms of canalicular transporter endocytosis in the cholestatic rat liver
title Mechanisms of canalicular transporter endocytosis in the cholestatic rat liver
spellingShingle Mechanisms of canalicular transporter endocytosis in the cholestatic rat liver
Miszczuk, Gisel Sabrina
CANALICULAR TRANSPORTERS
CLATHRIN-MEDIATED ENDOCYTOSIS
ESTROGEN-INDUCED CHOLESTASIS
LIPID RAFTS
title_short Mechanisms of canalicular transporter endocytosis in the cholestatic rat liver
title_full Mechanisms of canalicular transporter endocytosis in the cholestatic rat liver
title_fullStr Mechanisms of canalicular transporter endocytosis in the cholestatic rat liver
title_full_unstemmed Mechanisms of canalicular transporter endocytosis in the cholestatic rat liver
title_sort Mechanisms of canalicular transporter endocytosis in the cholestatic rat liver
dc.creator.none.fl_str_mv Miszczuk, Gisel Sabrina
Barosso, Ismael Ricardo
Larocca, Maria Cecilia
Marrone, Julieta
Marinelli, Raul Alberto
Boaglio, Andrea Carolina
Sanchez Pozzi, Enrique Juan
Roma, Marcelo Gabriel
Crocenzi, Fernando Ariel
author Miszczuk, Gisel Sabrina
author_facet Miszczuk, Gisel Sabrina
Barosso, Ismael Ricardo
Larocca, Maria Cecilia
Marrone, Julieta
Marinelli, Raul Alberto
Boaglio, Andrea Carolina
Sanchez Pozzi, Enrique Juan
Roma, Marcelo Gabriel
Crocenzi, Fernando Ariel
author_role author
author2 Barosso, Ismael Ricardo
Larocca, Maria Cecilia
Marrone, Julieta
Marinelli, Raul Alberto
Boaglio, Andrea Carolina
Sanchez Pozzi, Enrique Juan
Roma, Marcelo Gabriel
Crocenzi, Fernando Ariel
author2_role author
author
author
author
author
author
author
author
dc.subject.none.fl_str_mv CANALICULAR TRANSPORTERS
CLATHRIN-MEDIATED ENDOCYTOSIS
ESTROGEN-INDUCED CHOLESTASIS
LIPID RAFTS
topic CANALICULAR TRANSPORTERS
CLATHRIN-MEDIATED ENDOCYTOSIS
ESTROGEN-INDUCED CHOLESTASIS
LIPID RAFTS
purl_subject.fl_str_mv https://purl.org/becyt/ford/3.1
https://purl.org/becyt/ford/3
dc.description.none.fl_txt_mv Impaired canalicular secretion due to increased endocytosis and intracellular retention of canalicular transporters such as BSEP and MRP2 is a main, common pathomechanism of cholestasis. Nevertheless, the mechanisms governing this process are unknown. We characterized this process in estradiol 17 β-D-glucuronide (E17G)-induced cholestasis, an experimental model which partially mimics pregnancy-induced cholestasis. Inhibitors of clathrin-mediated endocytosis (CME) such as monodansylcadaverine (MDC) or K+ depletion, but not the caveolin-mediated endocytosis inhibitors filipin and genistein, prevented E17G-induced endocytosis of BSEP and MRP2, and the associated impairment of activity of these transporters in isolated rat hepatocyte couplets (IRHC). Immunofluorescence and confocal microscopy studies showed that, in E17G-treated IRHC, there was a significant increase in the colocalization of MRP2 with clathrin, AP2, and Rab5, three essential members of the CME machinery. Knockdown of AP2 by siRNA in sandwich-cultured rat hepatocytes completely prevented E17G-induced endocytosis of BSEP and MRP2. MDC significantly prevented this endocytosis, and the impairment of bile flow and biliary secretion of BSEP and MRP2 substrates, in isolated and perfused livers. BSEP and MRP2, which were mostly present in raft (caveolin-enriched) microdomains in control rats, were largely found in non-raft (clathrin-enriched) microdomains in livers from E17G-treated animals, from where they can be readily recruited for CME. In conclusion, our findings show that CME is the mechanism responsible for the internalization of the canalicular transporters BSEP and MRP2 in E17G-induced cholestasis. The shift of these transporters from raft to non-raft microdomains could be a prerequisite for the transporters to be endocytosed under cholestatic conditions.
Fil: Miszczuk, Gisel Sabrina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Fisiología Experimental. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Fisiología Experimental; Argentina
Fil: Barosso, Ismael Ricardo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Fisiología Experimental. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Fisiología Experimental; Argentina
Fil: Larocca, Maria Cecilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Fisiología Experimental. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Fisiología Experimental; Argentina
Fil: Marrone, Julieta. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Fisiología Experimental. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Fisiología Experimental; Argentina
Fil: Marinelli, Raul Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Fisiología Experimental. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Fisiología Experimental; Argentina
Fil: Boaglio, Andrea Carolina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Fisiología Experimental. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Fisiología Experimental; Argentina
Fil: Sanchez Pozzi, Enrique Juan. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Fisiología Experimental. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Fisiología Experimental; Argentina
Fil: Roma, Marcelo Gabriel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Fisiología Experimental. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Fisiología Experimental; Argentina
Fil: Crocenzi, Fernando Ariel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Fisiología Experimental. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Fisiología Experimental; Argentina
description Impaired canalicular secretion due to increased endocytosis and intracellular retention of canalicular transporters such as BSEP and MRP2 is a main, common pathomechanism of cholestasis. Nevertheless, the mechanisms governing this process are unknown. We characterized this process in estradiol 17 β-D-glucuronide (E17G)-induced cholestasis, an experimental model which partially mimics pregnancy-induced cholestasis. Inhibitors of clathrin-mediated endocytosis (CME) such as monodansylcadaverine (MDC) or K+ depletion, but not the caveolin-mediated endocytosis inhibitors filipin and genistein, prevented E17G-induced endocytosis of BSEP and MRP2, and the associated impairment of activity of these transporters in isolated rat hepatocyte couplets (IRHC). Immunofluorescence and confocal microscopy studies showed that, in E17G-treated IRHC, there was a significant increase in the colocalization of MRP2 with clathrin, AP2, and Rab5, three essential members of the CME machinery. Knockdown of AP2 by siRNA in sandwich-cultured rat hepatocytes completely prevented E17G-induced endocytosis of BSEP and MRP2. MDC significantly prevented this endocytosis, and the impairment of bile flow and biliary secretion of BSEP and MRP2 substrates, in isolated and perfused livers. BSEP and MRP2, which were mostly present in raft (caveolin-enriched) microdomains in control rats, were largely found in non-raft (clathrin-enriched) microdomains in livers from E17G-treated animals, from where they can be readily recruited for CME. In conclusion, our findings show that CME is the mechanism responsible for the internalization of the canalicular transporters BSEP and MRP2 in E17G-induced cholestasis. The shift of these transporters from raft to non-raft microdomains could be a prerequisite for the transporters to be endocytosed under cholestatic conditions.
publishDate 2018
dc.date.none.fl_str_mv 2018-04
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/11336/90841
Miszczuk, Gisel Sabrina; Barosso, Ismael Ricardo; Larocca, Maria Cecilia; Marrone, Julieta; Marinelli, Raul Alberto; et al.; Mechanisms of canalicular transporter endocytosis in the cholestatic rat liver; Elsevier Science; Biochimica et Biophysica Acta - Molecular Basis of Disease; 1864; 4; 4-2018; 1072-1085
0925-4439
CONICET Digital
CONICET
url http://hdl.handle.net/11336/90841
identifier_str_mv Miszczuk, Gisel Sabrina; Barosso, Ismael Ricardo; Larocca, Maria Cecilia; Marrone, Julieta; Marinelli, Raul Alberto; et al.; Mechanisms of canalicular transporter endocytosis in the cholestatic rat liver; Elsevier Science; Biochimica et Biophysica Acta - Molecular Basis of Disease; 1864; 4; 4-2018; 1072-1085
0925-4439
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1016/j.bbadis.2018.01.015
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0925443918300164
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
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dc.publisher.none.fl_str_mv Elsevier Science
publisher.none.fl_str_mv Elsevier Science
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
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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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