“…CHAO-YUAN CHANG 1,2 , KUAN-LI WU 1,3,4 , YUNG-YUN CHANG 1,3,5 , PEI-HSUN TSAI 1 , JEN-YU HUNG 1,3,4 , WEI-AN CHANG 3,6 , SHU-FANG JIAN 1 , YUNG-CHI HUANG 1 , INN-WEN CHONG 1,3,4 , YING-MING TSAI 1,3,4,7 and YA-LING HSU 1,7 In addition to the malignant cells, the surrounding microenvironment is also critical for tumorigenesis (7,8). Amine oxidases refer to a class of enzymes that catalyze the deamination of amine groups to produce aldehydes, ammonia and hydrogen peroxide (9).…”