Table S1. CD44 expression and clinicopathologic characteristics Cases (n=54) CD44 protein expression P value* Negativ e WeakStrong (n=8)(n=23) Age < ≥ Gender Male Female24410 Tumor Stage I/II III/IV4004 Tissue Types Primary Tumor Metastases6006 Tumor Differentiation Well (Grade 1) Moderate (Grade 2) Poor (Grade 3) *P values were based on Fisher’s exact test. Table S1
Cases (n=54) KLF4 protein expression P value* NegativeWeakStrong (n=20)(n=24)(n=10) Age < ≥ Gender Male Female Tumor Stage I/II III/IV 4310 Tissue Types Primary Tumor Metastases 6600 Tumor Differentiation Well (Grade 1) Moderate (Grade 2)21795 Poor (Grade 3) Table S2. KLF4 expression and clinicopathologic characteristics *P values were based on Fisher’s exact test. Table S2
Primers Sequence (5' to 3') Tm ( ℃ ) Length (bp) mCD44-for5'-GGAGATCAGGATGACTCCTTCT-3'58345 mCD44-rev5'-AGTCCTTGGATGAGTCTCGATC-3' hCD44v-for5'-TCCCAGACGAAGACAGTCCCTGGAT-3'6387; 430 hCD44v-rev5'-CACTGGGGTGGAATGTGTCTTGGTC-3' h-GAPDH-for5'-ACCACAGTCCATGCCATCAC-3'62422 h-GAPDH-rev5'-TCCACCACCCTGTTGCTGTA-3' hCD44 (CHIP)-for5´-CAATCTCAAAAGGCTTCC -3´55335 hCD44 (CHIP)-rev5´-TTCATCTTCCCATACAAC-3´ hβ-actin-for5'-AGAAAATCTGGCACCACACC-3' hβ-actin-rev5'-CTCCTTAATGTCACGCACGA-3' mβ-actin-for5'-TTCTTTGCAGCTCCTTCGTT-3' mβ-actin-rev5'-GGGGTGTTGAAGGTCTCAAA-3' hESRP1-for5'-GACGGAGGACTGCAAAGAAG-3' hESRP1-rev5'-CATGAAGCTGCCCATCAGTA-3' hKLF4-for5'-GCTGGACCCCCTCTCAGCAATGG-3'63319 hKLF4-rev5'-ATCACAAGTGGGTGGCGGTCC-3' mKlf4 (loxp) -1exon 1, 5'-CTGGGCCCCCACATTAATGAG-3'61 425;296;172 mKlf4 (loxp) -2exon 2, 5'-TCGCTGACAGCCATGTCAGAC-3' mKlf4 (loxp) -3intron 3, 5'-CCAGCAGAGCCGTTCTGGCTG-3' Table S3. Specific primers for target and control genes Table S3
AntibodyCompanyCat#Dilution α-TubulinOncogeneCP06-100UG1:3000 β-actinSanta cruzSC-16151:3000 CD44 (F4)Santa cruzSC-99601:2000 CD44 (IM7)Santa cruzSC :500 CD133Santa cruzSC :1000 ESRP1SigmaHPA :500 E-cadherin (CDH1)BD pharmingen :2000 NanogSanta cruzSC :1000 KLF4ABGENTAm2725a 1:800 β-cateninCell signaling technology9587 1:2000 OCT4Cell signaling technology2750 1:2000 VimentinBD pharmingen :2000 VillinSanta cruzSC :1500 M2 (Anti-Flag)SigmaF3165 1:2000 Table S4. Antibodies for target and control protein expression in Western blot analyses Table S4