Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/353330
Type: Artigo
Title: Tolerogenic dendritic cells on transplantation: immunotherapy based on second signal blockage
Author: Silva, Priscila de Matos
Bier, Julia
Paiatto, Lisiery Negrini
Albuquerque, Cassia Galdino
Souza, Caique Lopes
Romani Fernandes, Luis Gustavo
da Silva Cunha Tamashiro, Wirla Maria
Simioni, Patricia Ucelli
Abstract: Dendritic cells (DCs), the most important professional antigen-presenting cells (APC), play crucial role in both immunity and tolerance. It is well known that DCs are able to mount immune responses against foreign antigens and simultaneously tolerate self-antigens. Since DCs can be modulated depending on the surrounding microenvironment, they can act as a bridge between innate and adaptive immunity. However, the mechanisms that support this dual role are not entirely clear. Recent studies have shown that DCs can be manipulated ex vivo in order to trigger their tolerogenic profile, what can be a tool to be used in clinical trials aiming the treatment of various diseases and the prevention of transplant rejection. In this sense, the blockage of costimulatory molecules on DC, in the attempt of inhibiting the second signal in the immunological synapse, can be considered as one of the main strategies under development. This review brings an update on current therapies using tolerogenic dendritic cells modulated with costimulatory blockers with the aim of reducing transplant rejection. However, although there are current clinical trials using tolerogenic DC to treat allograft rejection, the actual challenge is to modulate these cells in order to maintain a permanent tolerogenic profile
Subject: Linfócitos T reguladores
Células matadoras naturais
Country: Reino Unido
Editor: Hindawi
Rights: Aberto
Identifier DOI: 10.1155/2015/856707
Address: https://www.hindawi.com/journals/jir/2015/856707/
Date Issue: 2015
Appears in Collections:IB - Artigos e Outros Documentos
FCM - Artigos e Outros Documentos

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