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Ansari, S.A. ; Dantoft, W. ; Ruiz-Orera, J.* ; Syed, A.P. ; Blachut, S.* ; Van Heesch, S.* ; Hübner, N.* ; Uhlenhaut, N.H.

Integrative analysis of macrophage ribo-Seq and RNA-Seq data define glucocorticoid receptor regulated inflammatory response genes into distinct regulatory classes.

Comp. Struc. Biotech. J. 20, 5622-5638 (2022)
Postprint Forschungsdaten DOI PMC
Open Access Gold
Creative Commons Lizenzvertrag
Glucocorticoids such as dexamethasone (Dex) are widely used to treat both acute and chronic inflammatory conditions. They regulate immune responses by dampening cell-mediated immunity in a glucocorticoid receptor (GR)-dependent manner, by suppressing the expression of pro-inflammatory cytokines and chemokines and by stimulating the expression of anti-inflammatory mediators. Despite its evident clinical benefit, the mechanistic underpinnings of the gene regulatory networks transcriptionally controlled by GR in a context-specific manner remain mysterious. Next generation sequencing methods such mRNA sequencing (RNA-seq) and Ribosome profiling (ribo-seq) provide tools to investigate the transcriptional and post-transcriptional mechanisms that govern gene expression. Here, we integrate matched RNA-seq data with ribo-seq data from human acute monocytic leukemia (THP-1) cells treated with the TLR4 ligand lipopolysaccharide (LPS) and with Dex, to investigate the global transcriptional and translational regulation (translational efficiency, ΔTE) of Dex-responsive genes. We find that the expression of most of the Dex-responsive genes are regulated at both the transcriptional and the post-transcriptional level, with the transcriptional changes intensified on the translational level. Overrepresentation pathway analysis combined with STRING protein network analysis and manual functional exploration, identified these genes to encode immune effectors and immunomodulators that contribute to macrophage-mediated immunity and to the maintenance of macrophage-mediated immune homeostasis. Further research into the translational regulatory network underlying the GR anti-inflammatory response could pave the way for the development of novel immunomodulatory therapeutic regimens with fewer undesirable side effects.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Glucocorticoid Receptor ; Inflammation ; Macrophages ; Ribosome Profiling ; Rna-seq ; Translational Regulation
Sprache englisch
Veröffentlichungsjahr 2022
HGF-Berichtsjahr 2022
ISSN (print) / ISBN 2001-0370
e-ISSN 2001-0370
Quellenangaben Band: 20, Heft: , Seiten: 5622-5638 Artikelnummer: , Supplement: ,
Verlag Research Network of Computational and Structural Biotechnology (RNCSB)
Begutachtungsstatus Peer reviewed
POF Topic(s) 90000 - German Center for Diabetes Research
30201 - Metabolic Health
Forschungsfeld(er) Helmholtz Diabetes Center
PSP-Element(e) G-501900-227
G-502595-001
Förderungen Horizon 2020
Else Kroner-Fresenius-Stiftung
Fondation Leducq
Deutsche Forschungsgemeinschaft
European Research Council
NHU
Scopus ID 85139863076
PubMed ID 36284713
Erfassungsdatum 2022-11-25