Silencing of TGF[beta] signalling in microglia results in impaired homeostasis

Abstract: TGFβ1 has been implicated in regulating functional aspects of several distinct immune cell populations including central nervous system (CNS) resident microglia. Activation and priming of microglia have been demonstrated to contribute to the progression of neurodegenerative diseases and, thus, underlie stringent control by endogenous regulatory factors including TGFβ1. Here, we demonstrate that deletion of Tgfbr2 in adult postnatal microglia does neither result in impairment of the microglia-specific gene expression signatures, nor is microglial survival and maintenance affected. Tgfbr2-deficient microglia were characterised by distinct morphological changes and transcriptome analysis using RNAseq revealed that loss of TGFβ signalling results in upregulation of microglia activation and priming markers. Moreover, protein arrays demonstrated increased secretion of CXCL10 and CCL2 accompanied by activation of immune cell signalling as evidenced by increased phosphorylation of TAK1. Together, these data underline the importance of microglial TGFβ signalling to regulate microglia adaptive changes

Standort
Deutsche Nationalbibliothek Frankfurt am Main
Umfang
Online-Ressource
Sprache
Englisch
Anmerkungen
Nature communications. - 9, 1 (2018) , 4011, ISSN: 2041-1723

Ereignis
Veröffentlichung
(wo)
Freiburg
(wer)
Universität
(wann)
2019
Urheber
Zöller, Tanja
Schneider, Artur
Kleimeyer, Christian
Masuda, Takahiro
Potru, Phani Sankar
Pfeifer, Dietmar
Blank, Thomas
Prinz, Marco
Spittau, Björn
Beteiligte Personen und Organisationen

DOI
10.1038/s41467-018-06224-y
URN
urn:nbn:de:bsz:25-freidok-1471182
Rechteinformation
Kein Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Letzte Aktualisierung
25.03.2025, 13:47 MEZ

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Beteiligte

Entstanden

  • 2019

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