TET2 Regulates the Neuroinflammatory Response in Microglia

Epigenomic mechanisms regulate distinct aspects of the inflammatory response in immune cells. Despite the central role for microglia in neuroinflammation and neurodegeneration, little is known about their epigenomic regulation of the inflammatory response. Here, we show that Ten-eleven translocation...

Descripción completa

Detalles Bibliográficos
Autores: Carrillo-Jiménez, Alejandro, Deniz, Özgen, Niklison-Chirou, Maria Victoria, Ruiz, Rocío, Bezerra-Salomão, Karina, Stratoulias, Vassilis, Amouroux, Rachel, Yip, Ping Kei, Vilalta, Anna, Cheray, Mathilde, Scott-Egerton, Alexander Michael, Rivas Infante, Eloy, Tayara, Khadija, García-Domínguez, Irene, García-Revilla, Juan, Fernández-Martín, Juan Carlos, Espinosa-Oliva, Ana M., Shen, Xianli, St George-Hyslop, Peter, Brown, Guy Charles, Hajkova, Petra, Joseph, Bertrand, Venero, José L., Branco, Miguel R., Burguillos, Miguel Ángel
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2019
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/376067
Acceso en línea:http://hdl.handle.net/10261/376067
https://api.elsevier.com/content/abstract/scopus_id/85073113896
Access Level:acceso abierto
Palabra clave:Neuroinflammation
TET2
TLR-4
Epigenetics
Metabolism
Microglia
Descripción
Sumario:Epigenomic mechanisms regulate distinct aspects of the inflammatory response in immune cells. Despite the central role for microglia in neuroinflammation and neurodegeneration, little is known about their epigenomic regulation of the inflammatory response. Here, we show that Ten-eleven translocation 2 (TET2) methylcytosine dioxygenase expression is increased in microglia upon stimulation with various inflammogens through a NF-κB-dependent pathway. We found that TET2 regulates early gene transcriptional changes, leading to early metabolic alterations, as well as a later inflammatory response independently of its enzymatic activity. We further show that TET2 regulates the proinflammatory response in microglia of mice intraperitoneally injected with LPS. We observed that microglia associated with amyloid β plaques expressed TET2 in brain tissue from individuals with Alzheimer's disease (AD) and in 5xFAD mice. Collectively, our findings show that TET2 plays an important role in the microglial inflammatory response and suggest TET2 as a potential target to combat neurodegenerative brain disorders.

Similares en LA Referencia