CDKN1C and hepatocellular carcinoma: A recent study showed that a short tandem repeat (STR) polymorphism (rs35622507) within the KCNQ1OT1 coding region was identified as the risk conferring polymorphism for HCC in the Chinese population and a significant genotype–phenotype correlation in which the protective genotypes (heterozygote and non-10) of the STR polymorphism confer increased KCNQ1OT1 expression and partially decreased CDKN1C expression in vitro [34].