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Портал Begell Электронная Бибилиотека e-Книги Журналы Справочники и Сборники статей Коллекции
Critical Reviews™ in Immunology
Импакт фактор: 1.352 5-летний Импакт фактор: 3.347 SJR: 0.657 SNIP: 0.55 CiteScore™: 2.19

ISSN Печать: 1040-8401
ISSN Онлайн: 2162-6472

Выпуски:
Том 39, 2019 Том 38, 2018 Том 37, 2017 Том 36, 2016 Том 35, 2015 Том 34, 2014 Том 33, 2013 Том 32, 2012 Том 31, 2011 Том 30, 2010 Том 29, 2009 Том 28, 2008 Том 27, 2007 Том 26, 2006 Том 25, 2005 Том 24, 2004 Том 23, 2003 Том 22, 2002 Том 21, 2001 Том 20, 2000 Том 19, 1999 Том 18, 1998 Том 17, 1997 Том 16, 1996 Том 15, 1995 Том 14, 1994

Critical Reviews™ in Immunology

DOI: 10.1615/CritRevImmunol.v35.i5.40
pages 401-415

The p53 Transcriptional Network Influences Microglia Behavior and Neuroinflammation

Macarena S. Aloi
Department of Pathology, University of Washington, Seattle, Washington, USA
Wei Su
Department of Neurology, University of Washington, Seattle, Washington, USA
Gwenn A. Garden
Department of Pathology, University of Washington, Seattle, Washington, USA; Department of Neurology, University of Washington, Seattle, Washington, USA

Краткое описание

The tumor-suppressor protein p53 belongs to a family of proteins that play pivotal roles in multiple cellular functions including cell proliferation, cell death, genome stability, and regulation of inflammation. Neuroinflammation is a common feature of central nervous system (CNS) pathology, and microglia are the specialized resident population of CNS myeloid cells that initiate innate immune responses. Microglia maintain CNS homeostasis through pathogen containment, phagocytosis of debris, and initiation of tissue-repair cascades. However, an unregulated pro-inflammatory response can lead to tissue injury and dysfunction in both acute and chronic inflammatory states. Therefore, regulation of the molecular signals that control the induction, magnitude, and resolution of inflammation are necessary for optimal CNS health. We and others have described a novel mechanism by which p53 transcriptional activity modulates microglia behaviors in vitro and in vivo. Activation of p53 induces expression of microRNAs (miRNAs) that support microglia pro-inflammatory functions and suppress anti-inflammatory and tissue repair behaviors. In this review, we introduce the previously described roles of the p53 signaling network and discuss novel functions of p53 in the microglia-mediated inflammatory response in CNS health and disease. Ultimately, improved understanding of the molecular regulators modulated by p53 transcriptional activity in microglia will enhance the development of rational therapeutic strategies to harness the homeostatic and tissue repair functions of microglia.


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