کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
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2083850 | 1545349 | 2013 | 6 صفحه PDF | دانلود رایگان |
![عکس صفحه اول مقاله: The role of CDX2 in Caco-2 cell differentiation The role of CDX2 in Caco-2 cell differentiation](/preview/png/2083850.png)
BackgroundCDX2 plays a key part in the differentiation of Caco-2 cells, a colon carcinoma derived cell line that undergoes spontaneous differentiation. The effect of CDX2 expression in Caco-2 cells over time in culture has not been studied yet on a genome-wide level.MethodsThe impact of CDX2 expression on the genomic profile of Caco-2 cells was studied by transducing cells with CDX2 targeting shRNAs. Knockdown efficiency was assessed on mRNA level and protein level by RTPCR, microarrays, and Western blots. Gene set enrichment analysis was performed to assess regulation of specific gene sets.ResultsCDX2 expression had an inhibitory effect on the transcriptional activity of β-catenin/TCF at early stages of culturing, while at later stages, its role in the trans-activation of target genes specific for small intestinal enterocytes seemed more dominant.ConclusionsThe unique induction of a small intestinal signature upon differentiation in Caco-2 cells seems to be at least partially under the control of CDX2.
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Journal: European Journal of Pharmaceutics and Biopharmaceutics - Volume 85, Issue 1, September 2013, Pages 20–25