passages.id: split_1_test_3280_passage
passages.type: progene_text
passages.text: Expression of three colonic mRNAs ( 3-hydroxy-3-methylglutaryl-coenzyme A synthase 2 , deleted malignant brain tumors 1 , carcinoembryonic antigen - related cell adhesion molecule 1 ) and one " small intestinal " ( microsomal triglyceride transfer protein ) mRNA were compared between the control and the ileal pouch mucosae by quantitative reverse transcriptase - polymerase chain reaction .