ZFP36L1 and malignant colon neoplasm: TTP family mRNA levels (ZFP36, ZFP36L1 and ZFP36L2 mRNAs) were generally decreased and TTP-targeted cytokine mRNA levels (TNF, COX2, PPARR and RAB24 mRNAs) were relatively high in the colon cancer cells (Table 3).