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Immunotherapy with Tolerogenic Dendritic Cells Alone or in Combination with Rapamycin Does Not Reverse Diabetes in NOD Mice
Pujol-Autonell, Irma (Institut Germans Trias i Pujol. Hospital Universitari Germans Trias i Pujol)
Ampudia, Rosa M. (Institut Germans Trias i Pujol)
Monge, Pau (Institut Germans Trias i Pujol)
Lucas, Anna M. (Institut Germans Trias i Pujol. Hospital Universitari Germans Trias i Pujol)
Carrascal, Jorge (Universitat de Lleida)
Verdaguer, Joan (Universitat de Lleida)
Vives Pi, Marta (Institut Germans Trias i Pujol)
Universitat Autònoma de Barcelona

Date: 2013
Abstract: Type 1 diabetes is a metabolic disease caused by autoimmunity towards β -cells. Different strategies have been developed to restore β -cell function and to reestablish immune tolerance to prevent and cure the disease. Currently, there is no effective treatment strategy to restore endogenous insulin secretion in patients with type 1 diabetes. This study aims to restore insulin secretion in diabetic mice with experimental antigen-specific immunotherapy alone or in combination with rapamycin, a compound well known for its immunomodulatory effect. Nonobese diabetic (NOD) mice develop spontaneous type 1 diabetes after 12 weeks of age. Autologous tolerogenic dendritic cells-consisting in dendritic cells pulsed with islet apoptotic cells-were administered to diabetic NOD mice alone or in combination with rapamycin. The ability of this therapy to revert type 1 diabetes was determined by assessing the insulitis score and by measuring both blood glucose levels and C-peptide concentration. Our findings indicate that tolerogenic dendritic cells alone or in combination with rapamycin do not ameliorate diabetes in NOD mice. These results suggest that alternative strategies may be considered for the cure of type 1 diabetes.
Grants: Ministerio de Ciencia e Innovación PS09/00253
Ministerio de Economía y Competitividad PI12/00195
Rights: Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original. Creative Commons
Language: Anglès
Document: Article ; recerca ; Versió publicada
Published in: ISRN Endocrinology, Vol. 2013 (march 2013) , ISSN 2090-4649

DOI: 10.1155/2013/346987
PMID: 23555060


5 p, 584.6 KB

The record appears in these collections:
Research literature > UAB research groups literature > Research Centres and Groups (research output) > Health sciences and biosciences > Institut d'Investigació en Ciencies de la Salut Germans Trias i Pujol (IGTP)
Articles > Research articles
Articles > Published articles

 Record created 2020-12-21, last modified 2022-02-17



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