在Ｓｏｕｔｈｅｒｎ印迹法分析的基础上用ＰＣＲ方法分析了２７例小儿急性白血病细胞的免疫球蛋白重链基因ＶＤＪ区的变化。６例未分化型白血病中５例有Ｖ＿Ｈ－Ｄ＿Ｈ－Ｊ＿Ｈ基因扩增带，提示已......

BACKGROUND There is growing evidence proving that many human carcinomas, including colon cancer, can overexpress immunog......