OBJECTIVE:To investigate the expressions of metastasis related gene-KiSS-1 and matrix metalloproteinase (MMP-9) in gestational trophoblastic disease(GTD) and their significance.

• 目的探讨浸润相关基因KiSS-1和基质金属蛋白酶-9(matrix metalloproteinase,MMP-9)在妊娠滋养细胞疾病中的表达。