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Series GSE22572 Query DataSets for GSE22572
Status Public on Aug 11, 2010
Title TCF4 and CDX2, major transcription factors for intestinal function, converge on the same cis-regulatory regions
Organism Homo sapiens
Experiment type Genome binding/occupancy profiling by genome tiling array
Expression profiling by array
Summary Surprisingly few pathways signal between cells, raising questions about mechanisms for tissue-specific responses. In particular, Wnt ligands signal in many mammalian tissues, including the intestinal epithelium, where constitutive signaling causes cancer. Genome-wide analysis of DNA cis-regulatory regions bound by the intestine-restricted transcription factor CDX2 in colonic cells uncovered highly significant over-representation of sequences that bind TCF4, a transcriptional effector of intestinal Wnt signaling. Chromatin immunoprecipitation confirmed TCF4 occupancy at most such sites and co-occupancy of CDX2 and TCF4 across short distances. A region spanning the single nucleotide polymorphism rs6983267, which lies within a MYC enhancer and confers colorectal cancer risk in humans, represented one of many co-occupied sites. Co-occupancy correlated with intestine-specific gene expression and CDX2 loss reduced TCF4 binding.These results implicate CDX2 in directing TCF4 binding in intestinal cells. Co-occupancy of regulatory regions by signal-effector and tissue-restricted transcription factors may represent a general mechanism for ubiquitous signaling pathways to achieve tissue-specific outcomes.
 
Overall design A series of ChIP-chip experiments identified the CDX2 cistrome and discovered and validated extensive co-binding with TCF4 in colon cancer cell lines

Transcriptional profiling following shRNA-mediated CDX2 knockdown was employed to identify CDX2-dependent gene expression in the human colon cancer cell line Caco2
 
Contributor(s) Michael V, Ramesh S
Citation(s) 20696899
Submission date Jun 25, 2010
Last update date Mar 25, 2019
Contact name Michael P Verzi
Organization name Rutgers, the State University of New Jersey
Department Genetics
Lab Verzi
Street address 145 Bevier Road
City Piscataway
State/province NJ
ZIP/Postal code 08854
Country USA
 
Platforms (8)
GPL570 [HG-U133_Plus_2] Affymetrix Human Genome U133 Plus 2.0 Array
GPL4910 [Hs35b_P01R] Affymetrix Human Tiling 2.0R Set, Array 1
GPL4911 [Hs35b_P02R] Affymetrix Human Tiling 2.0R Set, Array 2
Samples (56)
GSM560216 CDX2 ChIP-chip in CaCo2 Array A Rep 1
GSM560217 CDX2 ChIP-chip in CaCo2 Array A Rep 2
GSM560218 CDX2 ChIP-chip in CaCo2 Array A Rep 3
Relations
BioProject PRJNA128423

Download family Format
SOFT formatted family file(s) SOFTHelp
MINiML formatted family file(s) MINiMLHelp
Series Matrix File(s) TXTHelp

Supplementary file Size Download File type/resource
GSE22572_RAW.tar 1.2 Gb (http)(custom) TAR (of CEL)
GSE22572_TCF4ls174tn2input3.Hs35b_P06R_v01-3_NCBIv36.NR.bpmap_matscore.bar.gz 33.4 Mb (ftp)(http) BAR
GSE22572_TCF4ls174tn2input3.Hs35b_P06R_v01-3_NCBIv36.NR.bpmap_matscore.bar.txt.gz 38.5 Mb (ftp)(http) TXT
GSE22572_cdxLs174tFnof2.Hs35b_P06R_v01-3_NCBIv36.NR.bpmap_matscore.bar.gz 33.4 Mb (ftp)(http) BAR
GSE22572_cdxLs174tFnof2.Hs35b_P06R_v01-3_NCBIv36.NR.bpmap_matscore.bar.txt.gz 38.5 Mb (ftp)(http) TXT
GSE22572_shCDX2knockdownDataProcessedWith_dChip.txt.gz 36.7 Kb (ftp)(http) TXT
GSE22572_tcf4cacoFduplicate.Hs35b_P06R_v01-3_NCBIv36.NR.bpmap_matscore.bar.gz 33.4 Mb (ftp)(http) BAR
GSE22572_tcf4cacoFduplicate.Hs35b_P06R_v01-3_NCBIv36.NR.bpmap_matscore.bar.txt.gz 38.3 Mb (ftp)(http) TXT
GSE22572_triplicate.Hs35b_P01R_v01-3_NCBIv36.NR.bpmap_matscore.bar.gz 33.0 Mb (ftp)(http) BAR
GSE22572_triplicate.Hs35b_P01R_v01-3_NCBIv36.NR.bpmap_matscore.bar.txt.gz 37.9 Mb (ftp)(http) TXT
GSE22572_triplicate.Hs35b_P02R_v01-3_NCBIv36.NR.bpmap_matscore.bar.gz 34.0 Mb (ftp)(http) BAR
GSE22572_triplicate.Hs35b_P02R_v01-3_NCBIv36.NR.bpmap_matscore.bar.txt.gz 39.1 Mb (ftp)(http) TXT
GSE22572_triplicate.Hs35b_P03R_v01-3_NCBIv36.NR.bpmap_matscore.bar.gz 33.2 Mb (ftp)(http) BAR
GSE22572_triplicate.Hs35b_P03R_v01-3_NCBIv36.NR.bpmap_matscore.bar.txt.gz 38.3 Mb (ftp)(http) TXT
GSE22572_triplicate.Hs35b_P04R_v01-3_NCBIv36.NR.bpmap_matscore.bar.gz 33.9 Mb (ftp)(http) BAR
GSE22572_triplicate.Hs35b_P04R_v01-3_NCBIv36.NR.bpmap_matscore.bar.txt.gz 39.1 Mb (ftp)(http) TXT
GSE22572_triplicate.Hs35b_P05R_v01-3_NCBIv36.NR.bpmap_matscore.bar.gz 33.9 Mb (ftp)(http) BAR
GSE22572_triplicate.Hs35b_P05R_v01-3_NCBIv36.NR.bpmap_matscore.bar.txt.gz 39.0 Mb (ftp)(http) TXT
GSE22572_triplicate.Hs35b_P06R_v01-3_NCBIv36.NR.bpmap_matscore.bar.gz 33.4 Mb (ftp)(http) BAR
GSE22572_triplicate.Hs35b_P06R_v01-3_NCBIv36.NR.bpmap_matscore.bar.txt.gz 38.4 Mb (ftp)(http) TXT
GSE22572_triplicate.Hs35b_P07R_v01-3_NCBIv36.NR.bpmap_matscore.bar.gz 33.2 Mb (ftp)(http) BAR
GSE22572_triplicate.Hs35b_P07R_v01-3_NCBIv36.NR.bpmap_matscore.bar.txt.gz 38.4 Mb (ftp)(http) TXT
Processed data are available on Series record
Processed data included within Sample table

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