CDX2 regulates interleukin-33 gene expression in intestinal epithelial cells (LS174T)
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CDX2 regulates interleukin-33 gene expression in intestinal epithelial cells (LS174T). / Larsen, Sylvester; Seidelin, Jakob Benedict; Davidsen, Johanne; Dahlgaard, Katja; Nielsen, Claus Henrik; Bennett, Eric Paul; Pedersen, Ole Birger; Coskun, Mehmet; Troelsen, Jesper Thorvald.
I: FEBS Open Bio, Bind 11, Nr. 6, 2021, s. 1638-1644.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - CDX2 regulates interleukin-33 gene expression in intestinal epithelial cells (LS174T)
AU - Larsen, Sylvester
AU - Seidelin, Jakob Benedict
AU - Davidsen, Johanne
AU - Dahlgaard, Katja
AU - Nielsen, Claus Henrik
AU - Bennett, Eric Paul
AU - Pedersen, Ole Birger
AU - Coskun, Mehmet
AU - Troelsen, Jesper Thorvald
N1 - This article is protected by copyright. All rights reserved.
PY - 2021
Y1 - 2021
N2 - Dysregulation of interleukin 33 (IL-33) has been implicated in the pathogenesis of several autoimmune and inflammatory diseases, but few studies have examined transcriptional regulation of the IL33 gene. In the intestines, gene regulation is controlled by a transcription factor network of which the intestinal-specific transcription factor CDX2 is a key component. In this study, we investigated whether CDX2 regulates IL33 mRNA expression. We examined IL33 mRNA expression in primary colonic epithelial cells from healthy humans and epithelial cell lines, revealing high expression levels in primary colonic and LS174T cells. Combining genomics data (ChIP-Seq, RNA-Seq) and IL33 promoter analyses in LS174T cells revealed intronic enhancer activity in the IL33 gene that is dependent on CDX2 expression. Western blotting and qRT-PCR confirmed that IL33 expression is upregulated in a CDX2 concentration-dependent manner, thereby providing the first evidence that CDX2 regulates the expression of IL33.
AB - Dysregulation of interleukin 33 (IL-33) has been implicated in the pathogenesis of several autoimmune and inflammatory diseases, but few studies have examined transcriptional regulation of the IL33 gene. In the intestines, gene regulation is controlled by a transcription factor network of which the intestinal-specific transcription factor CDX2 is a key component. In this study, we investigated whether CDX2 regulates IL33 mRNA expression. We examined IL33 mRNA expression in primary colonic epithelial cells from healthy humans and epithelial cell lines, revealing high expression levels in primary colonic and LS174T cells. Combining genomics data (ChIP-Seq, RNA-Seq) and IL33 promoter analyses in LS174T cells revealed intronic enhancer activity in the IL33 gene that is dependent on CDX2 expression. Western blotting and qRT-PCR confirmed that IL33 expression is upregulated in a CDX2 concentration-dependent manner, thereby providing the first evidence that CDX2 regulates the expression of IL33.
U2 - 10.1002/2211-5463.13161
DO - 10.1002/2211-5463.13161
M3 - Journal article
C2 - 33838073
VL - 11
SP - 1638
EP - 1644
JO - FEBS Open Bio
JF - FEBS Open Bio
SN - 2211-5463
IS - 6
ER -
ID: 260306206