Liver X Receptor Activation with an Intranasal Polymer Therapeutic Prevents Cognitive Decline without Altering Lipid Levels

Autores
Navas Guimaraes, Maria Eugenia; Lopez Blanco, Roi; Correa, Juan; Fernandez Villamarin, Marcos; Bistue Millon, Maria Beatriz; Martino Adami, Pamela Victoria; Morelli, Laura; Kumar, Vijay; Wempe, Michael F.; Cuello, A. C.; Fernandez Megia, Eduardo; Bruno, Martin
Año de publicación
2021
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The progressive accumulation of amyloid-beta (Aβ) in specific areas of the brain is a common prelude to late-onset of Alzheimer's disease (AD). Although activation of liver X receptors (LXR) with agonists decreases Aβ levels and ameliorates contextual memory deficit, concomitant hypercholesterolemia/hypertriglyceridemia limits their clinical application. DMHCA (N,N-dimethyl-3β-hydroxycholenamide) is an LXR partial agonist that, despite inducing the expression of apolipoprotein E (main responsible of Aβ drainage from the brain) without increasing cholesterol/triglyceride levels, shows nil activity in vivo because of a low solubility and inability to cross the blood brain barrier. Herein, we describe a polymer therapeutic for the delivery of DMHCA. The covalent incorporation of DMHCA into a PEG-dendritic scaffold via carboxylate esters produces an amphiphilic copolymer that efficiently self-assembles into nanometric micelles that exert a biological effect in primary cultures of the central nervous system (CNS) and experimental animals using the intranasal route. After CNS biodistribution and effective doses of DMHCA micelles were determined in nontransgenic mice, a transgenic AD-like mouse model of cerebral amyloidosis was treated with the micelles for 21 days. The benefits of the treatment included prevention of memory deterioration and a significant reduction of hippocampal Aβ oligomers without affecting plasma lipid levels. These results represent a proof of principle for further clinical developments of DMHCA delivery systems.
Fil: Navas Guimaraes, Maria Eugenia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Juan; Argentina. Universidad Catolica de Cuyo. Facultad de Ciencias Medicas. Instituto de Investigacion En Ciencias Biomedicas.; Argentina
Fil: Lopez Blanco, Roi. Universidad de Santiago de Compostela; España
Fil: Correa, Juan. Universidad de Santiago de Compostela; España
Fil: Fernandez Villamarin, Marcos. Universidad de Santiago de Compostela; España
Fil: Bistue Millon, Maria Beatriz. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Juan; Argentina. Universidad Catolica de Cuyo. Facultad de Ciencias Medicas. Instituto de Investigacion En Ciencias Biomedicas.; Argentina
Fil: Martino Adami, Pamela Victoria. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Investigaciones Bioquímicas de Buenos Aires. Fundación Instituto Leloir. Instituto de Investigaciones Bioquímicas de Buenos Aires; Argentina
Fil: Morelli, Laura. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Investigaciones Bioquímicas de Buenos Aires. Fundación Instituto Leloir. Instituto de Investigaciones Bioquímicas de Buenos Aires; Argentina
Fil: Kumar, Vijay. University of Colorado; Estados Unidos
Fil: Wempe, Michael F.. University of Colorado; Estados Unidos
Fil: Cuello, A. C.. McGill University; Canadá
Fil: Fernandez Megia, Eduardo. Universidad de Santiago de Compostela; España
Fil: Bruno, Martin. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Juan; Argentina. Universidad Catolica de Cuyo. Facultad de Ciencias Medicas. Instituto de Investigacion En Ciencias Biomedicas.; Argentina
Materia
ALZHEIMER'S DISEASE
AMYLOID-BETA
DENDRIMER
DMHCA
DRUG DELIVERY
LIVER X RECEPTOR
POLYMERIC MICELLE
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/142073
Acceder
id CONICETDig_33c151805cbf20e8a9cabe62a4ffad71
oai_identifier_str oai:ri.conicet.gov.ar:11336/142073
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Liver X Receptor Activation with an Intranasal Polymer Therapeutic Prevents Cognitive Decline without Altering Lipid LevelsNavas Guimaraes, Maria EugeniaLopez Blanco, RoiCorrea, JuanFernandez Villamarin, MarcosBistue Millon, Maria BeatrizMartino Adami, Pamela VictoriaMorelli, LauraKumar, VijayWempe, Michael F.Cuello, A. C.Fernandez Megia, EduardoBruno, MartinALZHEIMER'S DISEASEAMYLOID-BETADENDRIMERDMHCADRUG DELIVERYLIVER X RECEPTORPOLYMERIC MICELLEhttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1The progressive accumulation of amyloid-beta (Aβ) in specific areas of the brain is a common prelude to late-onset of Alzheimer's disease (AD). Although activation of liver X receptors (LXR) with agonists decreases Aβ levels and ameliorates contextual memory deficit, concomitant hypercholesterolemia/hypertriglyceridemia limits their clinical application. DMHCA (N,N-dimethyl-3β-hydroxycholenamide) is an LXR partial agonist that, despite inducing the expression of apolipoprotein E (main responsible of Aβ drainage from the brain) without increasing cholesterol/triglyceride levels, shows nil activity in vivo because of a low solubility and inability to cross the blood brain barrier. Herein, we describe a polymer therapeutic for the delivery of DMHCA. The covalent incorporation of DMHCA into a PEG-dendritic scaffold via carboxylate esters produces an amphiphilic copolymer that efficiently self-assembles into nanometric micelles that exert a biological effect in primary cultures of the central nervous system (CNS) and experimental animals using the intranasal route. After CNS biodistribution and effective doses of DMHCA micelles were determined in nontransgenic mice, a transgenic AD-like mouse model of cerebral amyloidosis was treated with the micelles for 21 days. The benefits of the treatment included prevention of memory deterioration and a significant reduction of hippocampal Aβ oligomers without affecting plasma lipid levels. These results represent a proof of principle for further clinical developments of DMHCA delivery systems.Fil: Navas Guimaraes, Maria Eugenia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Juan; Argentina. Universidad Catolica de Cuyo. Facultad de Ciencias Medicas. Instituto de Investigacion En Ciencias Biomedicas.; ArgentinaFil: Lopez Blanco, Roi. Universidad de Santiago de Compostela; EspañaFil: Correa, Juan. Universidad de Santiago de Compostela; EspañaFil: Fernandez Villamarin, Marcos. Universidad de Santiago de Compostela; EspañaFil: Bistue Millon, Maria Beatriz. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Juan; Argentina. Universidad Catolica de Cuyo. Facultad de Ciencias Medicas. Instituto de Investigacion En Ciencias Biomedicas.; ArgentinaFil: Martino Adami, Pamela Victoria. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Investigaciones Bioquímicas de Buenos Aires. Fundación Instituto Leloir. Instituto de Investigaciones Bioquímicas de Buenos Aires; ArgentinaFil: Morelli, Laura. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Investigaciones Bioquímicas de Buenos Aires. Fundación Instituto Leloir. Instituto de Investigaciones Bioquímicas de Buenos Aires; ArgentinaFil: Kumar, Vijay. University of Colorado; Estados UnidosFil: Wempe, Michael F.. University of Colorado; Estados UnidosFil: Cuello, A. C.. McGill University; CanadáFil: Fernandez Megia, Eduardo. Universidad de Santiago de Compostela; EspañaFil: Bruno, Martin. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Juan; Argentina. Universidad Catolica de Cuyo. Facultad de Ciencias Medicas. Instituto de Investigacion En Ciencias Biomedicas.; ArgentinaAmerican Chemical Society2021-03-05info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/142073Navas Guimaraes, Maria Eugenia; Lopez Blanco, Roi; Correa, Juan; Fernandez Villamarin, Marcos; Bistue Millon, Maria Beatriz; et al.; Liver X Receptor Activation with an Intranasal Polymer Therapeutic Prevents Cognitive Decline without Altering Lipid Levels; American Chemical Society; ACS Nano; 15; 3; 5-3-2021; 4678-46871936-08511936-086XCONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://pubs.acs.org/doi/10.1021/acsnano.0c09159info:eu-repo/semantics/altIdentifier/doi/10.1021/acsnano.0c09159info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-22T11:16:28Zoai:ri.conicet.gov.ar:11336/142073instacron: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:34982025-10-22 11:16:29.272CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Liver X Receptor Activation with an Intranasal Polymer Therapeutic Prevents Cognitive Decline without Altering Lipid Levels
title Liver X Receptor Activation with an Intranasal Polymer Therapeutic Prevents Cognitive Decline without Altering Lipid Levels
spellingShingle Liver X Receptor Activation with an Intranasal Polymer Therapeutic Prevents Cognitive Decline without Altering Lipid Levels
Navas Guimaraes, Maria Eugenia
ALZHEIMER'S DISEASE
AMYLOID-BETA
DENDRIMER
DMHCA
DRUG DELIVERY
LIVER X RECEPTOR
POLYMERIC MICELLE
title_short Liver X Receptor Activation with an Intranasal Polymer Therapeutic Prevents Cognitive Decline without Altering Lipid Levels
title_full Liver X Receptor Activation with an Intranasal Polymer Therapeutic Prevents Cognitive Decline without Altering Lipid Levels
title_fullStr Liver X Receptor Activation with an Intranasal Polymer Therapeutic Prevents Cognitive Decline without Altering Lipid Levels
title_full_unstemmed Liver X Receptor Activation with an Intranasal Polymer Therapeutic Prevents Cognitive Decline without Altering Lipid Levels
title_sort Liver X Receptor Activation with an Intranasal Polymer Therapeutic Prevents Cognitive Decline without Altering Lipid Levels
dc.creator.none.fl_str_mv Navas Guimaraes, Maria Eugenia
Lopez Blanco, Roi
Correa, Juan
Fernandez Villamarin, Marcos
Bistue Millon, Maria Beatriz
Martino Adami, Pamela Victoria
Morelli, Laura
Kumar, Vijay
Wempe, Michael F.
Cuello, A. C.
Fernandez Megia, Eduardo
Bruno, Martin
author Navas Guimaraes, Maria Eugenia
author_facet Navas Guimaraes, Maria Eugenia
Lopez Blanco, Roi
Correa, Juan
Fernandez Villamarin, Marcos
Bistue Millon, Maria Beatriz
Martino Adami, Pamela Victoria
Morelli, Laura
Kumar, Vijay
Wempe, Michael F.
Cuello, A. C.
Fernandez Megia, Eduardo
Bruno, Martin
author_role author
author2 Lopez Blanco, Roi
Correa, Juan
Fernandez Villamarin, Marcos
Bistue Millon, Maria Beatriz
Martino Adami, Pamela Victoria
Morelli, Laura
Kumar, Vijay
Wempe, Michael F.
Cuello, A. C.
Fernandez Megia, Eduardo
Bruno, Martin
author2_role author
author
author
author
author
author
author
author
author
author
author
dc.subject.none.fl_str_mv ALZHEIMER'S DISEASE
AMYLOID-BETA
DENDRIMER
DMHCA
DRUG DELIVERY
LIVER X RECEPTOR
POLYMERIC MICELLE
topic ALZHEIMER'S DISEASE
AMYLOID-BETA
DENDRIMER
DMHCA
DRUG DELIVERY
LIVER X RECEPTOR
POLYMERIC MICELLE
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv The progressive accumulation of amyloid-beta (Aβ) in specific areas of the brain is a common prelude to late-onset of Alzheimer's disease (AD). Although activation of liver X receptors (LXR) with agonists decreases Aβ levels and ameliorates contextual memory deficit, concomitant hypercholesterolemia/hypertriglyceridemia limits their clinical application. DMHCA (N,N-dimethyl-3β-hydroxycholenamide) is an LXR partial agonist that, despite inducing the expression of apolipoprotein E (main responsible of Aβ drainage from the brain) without increasing cholesterol/triglyceride levels, shows nil activity in vivo because of a low solubility and inability to cross the blood brain barrier. Herein, we describe a polymer therapeutic for the delivery of DMHCA. The covalent incorporation of DMHCA into a PEG-dendritic scaffold via carboxylate esters produces an amphiphilic copolymer that efficiently self-assembles into nanometric micelles that exert a biological effect in primary cultures of the central nervous system (CNS) and experimental animals using the intranasal route. After CNS biodistribution and effective doses of DMHCA micelles were determined in nontransgenic mice, a transgenic AD-like mouse model of cerebral amyloidosis was treated with the micelles for 21 days. The benefits of the treatment included prevention of memory deterioration and a significant reduction of hippocampal Aβ oligomers without affecting plasma lipid levels. These results represent a proof of principle for further clinical developments of DMHCA delivery systems.
Fil: Navas Guimaraes, Maria Eugenia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Juan; Argentina. Universidad Catolica de Cuyo. Facultad de Ciencias Medicas. Instituto de Investigacion En Ciencias Biomedicas.; Argentina
Fil: Lopez Blanco, Roi. Universidad de Santiago de Compostela; España
Fil: Correa, Juan. Universidad de Santiago de Compostela; España
Fil: Fernandez Villamarin, Marcos. Universidad de Santiago de Compostela; España
Fil: Bistue Millon, Maria Beatriz. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Juan; Argentina. Universidad Catolica de Cuyo. Facultad de Ciencias Medicas. Instituto de Investigacion En Ciencias Biomedicas.; Argentina
Fil: Martino Adami, Pamela Victoria. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Investigaciones Bioquímicas de Buenos Aires. Fundación Instituto Leloir. Instituto de Investigaciones Bioquímicas de Buenos Aires; Argentina
Fil: Morelli, Laura. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Investigaciones Bioquímicas de Buenos Aires. Fundación Instituto Leloir. Instituto de Investigaciones Bioquímicas de Buenos Aires; Argentina
Fil: Kumar, Vijay. University of Colorado; Estados Unidos
Fil: Wempe, Michael F.. University of Colorado; Estados Unidos
Fil: Cuello, A. C.. McGill University; Canadá
Fil: Fernandez Megia, Eduardo. Universidad de Santiago de Compostela; España
Fil: Bruno, Martin. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Juan; Argentina. Universidad Catolica de Cuyo. Facultad de Ciencias Medicas. Instituto de Investigacion En Ciencias Biomedicas.; Argentina
description The progressive accumulation of amyloid-beta (Aβ) in specific areas of the brain is a common prelude to late-onset of Alzheimer's disease (AD). Although activation of liver X receptors (LXR) with agonists decreases Aβ levels and ameliorates contextual memory deficit, concomitant hypercholesterolemia/hypertriglyceridemia limits their clinical application. DMHCA (N,N-dimethyl-3β-hydroxycholenamide) is an LXR partial agonist that, despite inducing the expression of apolipoprotein E (main responsible of Aβ drainage from the brain) without increasing cholesterol/triglyceride levels, shows nil activity in vivo because of a low solubility and inability to cross the blood brain barrier. Herein, we describe a polymer therapeutic for the delivery of DMHCA. The covalent incorporation of DMHCA into a PEG-dendritic scaffold via carboxylate esters produces an amphiphilic copolymer that efficiently self-assembles into nanometric micelles that exert a biological effect in primary cultures of the central nervous system (CNS) and experimental animals using the intranasal route. After CNS biodistribution and effective doses of DMHCA micelles were determined in nontransgenic mice, a transgenic AD-like mouse model of cerebral amyloidosis was treated with the micelles for 21 days. The benefits of the treatment included prevention of memory deterioration and a significant reduction of hippocampal Aβ oligomers without affecting plasma lipid levels. These results represent a proof of principle for further clinical developments of DMHCA delivery systems.
publishDate 2021
dc.date.none.fl_str_mv 2021-03-05
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/11336/142073
Navas Guimaraes, Maria Eugenia; Lopez Blanco, Roi; Correa, Juan; Fernandez Villamarin, Marcos; Bistue Millon, Maria Beatriz; et al.; Liver X Receptor Activation with an Intranasal Polymer Therapeutic Prevents Cognitive Decline without Altering Lipid Levels; American Chemical Society; ACS Nano; 15; 3; 5-3-2021; 4678-4687
1936-0851
1936-086X
CONICET Digital
CONICET
url http://hdl.handle.net/11336/142073
identifier_str_mv Navas Guimaraes, Maria Eugenia; Lopez Blanco, Roi; Correa, Juan; Fernandez Villamarin, Marcos; Bistue Millon, Maria Beatriz; et al.; Liver X Receptor Activation with an Intranasal Polymer Therapeutic Prevents Cognitive Decline without Altering Lipid Levels; American Chemical Society; ACS Nano; 15; 3; 5-3-2021; 4678-4687
1936-0851
1936-086X
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://pubs.acs.org/doi/10.1021/acsnano.0c09159
info:eu-repo/semantics/altIdentifier/doi/10.1021/acsnano.0c09159
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
application/pdf
dc.publisher.none.fl_str_mv American Chemical Society
publisher.none.fl_str_mv American Chemical Society
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
_version_ 1846781614559854592
score 12.982451

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