Table 3. The primer sequences used in the ChIP experiment of CDX2 promoter.

ChIP	Primer pairs	Length of products
ChIP1	Forward: 5′-GGCTAGTTCTGATCGCTTTC-3′ Reverse: 5′-TGTCACCATCGCCTTC-3′	181bp
ChIP2	Forward: 5′-GCTGGTTGTCACCTGTAAAA-3′ Reverse: 5′-CACTCCTGGAGACCTGC-3′	197bp
ChIP3	Forward: 5′-TACCTAGGTAAGCATTAGCA-3′ Reverse: 5′-GGCATGTGGTAGAAGTTAG-3′	196bp
ChIP4	Forward: 5′-AACGTTTAACAATAAATCGC-3′ Reverse: 5′-CAGCCCCAAACAACT-3′	158bp
ChIP5	Forward: 5′-TTCCCTGCAAATGCATAAAC-3′ Reverse: 5′-AGCTTCCTCCTTCCAACC-3′	158bp
ChIP6	Forward: 5′-TCGACGTCTCCAACCATT-3′ Reverse: 5′-CCTCCTTCCCACTAGGCT-3′	145bp
ChIP for positive control (GAPDH)	Forward: 5′-TACTAGCGGTTTTACGGGCG-3′ Reverse: 5′-TCGAACAGGAGGAGCAGAGAGCGA-3′	166bp