Research Paper Volume 14, Issue 4 pp 1836—1847

KCNQ1OT1 polymorphism rs35622507 and methylation status of KCNQ1OT1 promoter influence the drug resistance to L-OHP

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Figure 2. Distinct level of cellular apoptosis in colon cancer tissue samples with distinct genotypes and methylation levels of KCNQ1OT1 promoters (scale bar: 25 μm). (A) Increased expression of ATG4B protein in group A: carrier of allele 10 + methylated, B: carrier of allele 10 + non-methylated, C: non-carrier of allele 10 + methylated, D: non-carrier of allele 10 + non-methylated. (B) Decreased apoptosis in group A: carrier of allele 10 + methylated, B: carrier of allele 10 + non-methylated, C non-carrier of allele 10 + methylated, D: non-carrier of allele 10 + non-methylated.