Results Of the 17 cases of primary bladder cancer,2 had homozygous deletion of MTS1 and 2 cases loss of hetrozygosity with the deletion rate of MTS1 being 23.5%(4/17).No mobility shift was found.

• 结果17例膀胱癌中；2例表现为MTS1基因纯合性缺失；2例表现为杂合性缺失；缺失频率为23.；5%25(4/17)；未见异常泳动带。