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Title: Involvement of microRNA in microglia-mediated immune response
Authors: Guedes, J. 
Cardoso, A. L. C. 
Lima, M. C. Pedroso de 
Issue Date: 2013
Publisher: Hindawi
Project: PTDC/BIM-MEC/0651/2012 
Pest- C/SAU/LA0001/2011 
Serial title, monograph or event: Clinical and Developmental Immunology
Volume: 2013
Abstract: MicroRNAs (miRNAs) are an abundant class of small noncoding RNA molecules that play an important role in the regulation of gene expression at the posttranscriptional level. Due to their ability to simultaneously modulate the fate of different genes, these molecules are particularly well suited to act as key regulators during immune cell differentiation and activation, and their dysfunction can contribute to pathological conditions associated with neuroinflammation. Recent studies have addressed the role of miRNAs in the differentiation of progenitor cells into microglia and in the activation process, aiming at clarifying the origin of adult microglia cells and the contribution of the central nervous system (CNS) environment to microglia phenotype, in health and disease. Altered expression of several miRNAs has been associated with Alzheimer's disease, multiple sclerosis, and ischemic injury, hence strongly advocating the use of these small molecules as disease markers and new therapeutic targets. This review summarizes the recent advances in the field of miRNA-mediated regulation of microglia development and activation. We discuss the role of specific miRNAs in the maintenance and switching of microglia activation states and illustrate the potential of this class of nucleic acids both as biomarkers of inflammation and new therapeutic tools for the modulation of microglia behavior in the CNS.
ISSN: 1740-2522
DOI: 10.1155/2013/186872
Rights: openAccess
Appears in Collections:FCTUC Ciências da Vida - Artigos em Revistas Internacionais
IIIUC - Artigos em Revistas Internacionais
I&D CNC - Artigos em Revistas Internacionais

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