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1000 Titel
  • Differential RelA- and RelB-dependent gene transcription in LTβR-stimulated mouse embryonic fibroblasts
1000 Autor/in
  1. Lovas, Agnes |
  2. Radke, Dörte |
  3. Albrecht, Daniela |
  4. Yilmaz, Z Buket |
  5. Möller, Ulrich |
  6. Habenicht, Andreas JR |
  7. Weih, Falk |
1000 Erscheinungsjahr 2008
1000 Art der Datei
1000 Publikationstyp
  1. Artikel |
1000 Online veröffentlicht
  • 2008-12-16
1000 Erschienen in
1000 Quellenangabe
  • 9: 606
1000 FRL-Sammlung
1000 Copyrightjahr
  • 2008
1000 Lizenz
1000 Verlagsversion
  • https://dx.doi.org/10.1186/1471-2164-9-606 |
  • https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2637282/ |
1000 Ergänzendes Material
  • https://bmcgenomics.biomedcentral.com/articles/10.1186/1471-2164-9-606#Declarations |
1000 Publikationsstatus
1000 Begutachtungsstatus
1000 Sprache der Publikation
1000 Abstract/Summary
  • BACKGROUND: Lymphotoxin signaling via the lymphotoxin-β receptor (LTβR) has been implicated in biological processes ranging from development of secondary lymphoid organs, maintenance of spleen architecture, host defense against pathogens, autoimmunity, and lipid homeostasis. The major transcription factor that is activated by LTβR crosslinking is NF-κB. Two signaling pathways have been described, the classical inhibitor of NF-κB α (IκBα)-regulated and the alternative p100-regulated pathway that result in the activation of p50-RelA and p52-RelB NF-κB heterodimers, respectively. RESULTS: Using microarray analysis, we investigated the transcriptional response downstream of the LTβR in mouse embryonic fibroblasts (MEFs) and its regulation by the RelA and RelB subunits of NF-κB. We describe novel LTβR-responsive genes that were regulated by RelA and/or RelB. The majority of LTβR-regulated genes required the presence of both RelA and RelB, revealing significant crosstalk between the two NF-κB activation pathways. Gene Ontology (GO) analysis confirmed that LTβR-NF-κB target genes are predominantly involved in the regulation of immune responses. However, other biological processes, such as apoptosis/cell death, cell cycle, angiogenesis, and taxis were also regulated by LTβR signaling. Moreover, LTβR activation inhibited expression of a key adipogenic transcription factor, peroxisome proliferator activated receptor-γ (pparg), suggesting that LTβR signaling may interfere with adipogenic differentiation. CONCLUSION: Microarray analysis of LTβR-stimulated fibroblasts provided comprehensive insight into the transcriptional response of LTβR signaling and its regulation by the NF-κB family members RelA and RelB.
1000 Fachgruppe
  1. Medizin |
  2. Gesundheitswesen |
1000 Fächerklassifikation (DDC)
1000 Liste der Beteiligten
  1. https://frl.publisso.de/adhoc/creator/TG92YXMsIEFnbmVz|https://frl.publisso.de/adhoc/creator/UmFka2UsIETDtnJ0ZQ==|https://frl.publisso.de/adhoc/creator/QWxicmVjaHQsIERhbmllbGE=|https://frl.publisso.de/adhoc/creator/WWlsbWF6LCBaIEJ1a2V0|https://frl.publisso.de/adhoc/creator/TcO2bGxlciwgVWxyaWNo|https://frl.publisso.de/adhoc/creator/SGFiZW5pY2h0LCBBbmRyZWFzIEpS|https://frl.publisso.de/adhoc/creator/V2VpaCwgRmFsaw==
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