Liposome-based immunotherapy against autoimmune diseases

Based on the ability of apoptosis to induce immunological tolerance, liposomes were generated mimicking apoptotic cells, and they arrest autoimmunity in Type 1 diabetes. Our aim was to validate the immunotherapy in other autoimmune disease: multiple sclerosis. Materials & methods: Phosphatidylse...

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Detalles Bibliográficos
Autores: Pujol-Autonell, Irma|||0000-0001-6086-4183, Mansilla Lopez, Maria Jose|||0000-0002-5044-6313, Rodríguez Fernández, Silvia, Cano-Sarabia, Mary|||0000-0003-4254-8157, Navarro-Barriuso, Juan|||0000-0003-2884-4961, Ampudia Carrasco, Rosa María|||0000-0002-0734-0433, Rius, Aleix, García Jimeno, Sonia|||0000-0003-3821-2714, Perna-Barrull, David|||0000-0003-2079-818X, Martínez Cáceres, Eva María|||0000-0002-6762-8025, Maspoch Comamala, Daniel|||0000-0003-1325-9161, Vives Pi, Marta|||0000-0003-3735-0779
Tipo de recurso: artículo
Fecha de publicación:2017
País:España
Institución:Universitat Autònoma de Barcelona
Repositorio:Dipòsit Digital de Documents de la UAB
Idioma:inglés
OAI Identifier:oai:ddd.uab.cat:204936
Acceso en línea:https://ddd.uab.cat/record/204936
https://dx.doi.org/urn:doi:10.2217/nnm-2016-0410
Access Level:acceso abierto
Palabra clave:Autoimmunity
Experimental autoimmune encephalomyelitis
Immunotherapy
Liposomes
Multiple sclerosis
Descripción
Sumario:Based on the ability of apoptosis to induce immunological tolerance, liposomes were generated mimicking apoptotic cells, and they arrest autoimmunity in Type 1 diabetes. Our aim was to validate the immunotherapy in other autoimmune disease: multiple sclerosis. Materials & methods: Phosphatidylserine-rich liposomes were loaded with disease-specific autoantigen. Therapeutic capability of liposomes was assessed in vitro and in vivo. Results: Liposomes induced a tolerogenic phenotype in dendritic cells, and arrested autoimmunity, thus decreasing the incidence, delaying the onset and reducing the severity of experimental disease, correlating with an increase in a probably regulatory CD25+ FoxP3- CD4+ T-cell subset. Conclusion: This is the first work that confirms phosphatidylserine-liposomes as a powerful tool to arrest multiple sclerosis, demonstrating its relevance for clinical application.