Expression and clinical significance of CD44V6, MMP-9, p57kip2 and hCG in hydatidiform mole / 肿瘤研究与临床

ABSTRACT

Objective To investigate the prognostic value of CD44V6, MMP-9, p57kip2 and hCG in diagnosis differential diagnosis and malignant transformation of hydatidiform mole. Methods The expressions of CD44V6 MMP-9 and p57kip2 was detected by SP method and the serum hCG was detected with CLIA method in 55 cases of hydatidiform mole, 20 cases of abortion villi and 10 cases of normal villi, and the value of CD44V6, MMP-9, p57kip2 and hCG in diagnosis differential diagnosis and malignant transformation of hydatidiform mole was analyzed. Results There were 9 cases malignant transforming hydatidiform mole and 44 cases of non-malignant transforming hydatidiform mole(20 cases of complete hydatidiform mole, 26 cases of partial hydatidiform mole). The expression of CD44V6 MMP-9 and p57kip2 of malignant transforming mole was significantly higher than that of non-malignant transforming group (77.8 % vs 30.4 %, 77.8 % vs 34.8 %, 11.1 % vs 58.7 %) (P <0.05) and the expression difference of p57kip2 in complete mole and partial mole group (5.0 % vs 100.0 %) was statistically significant (P <0.05). HCG remained positive in 4 cases of hydatidiform mole and dropping and then rised in 5 cases. The sensitivity of p57kip2 in the diagnosis of partial hydatidiform mole was 100.0 %, the specificity was 95.0 %, the negative prediction was 100.0 %. The sensitivity of CD44V6 in the diagnosis of malignant hydatidiform mole was 77.8 %, specificity was 69.6 %, negative prediction was 94.1 %;The sensitivity of MMP-9 was 77.8 %, specificity was 65.2 %, negative prediction was 93.8 %. The sensitivity of the two combined detection (CD44V6 and MMP-9) was 88.9 %, negative prediction was 96.3 %. The sensitivity of combined detection (CD44V6, MMP-9 and hCG) was higher than any of them. Conclusion p57kip2 is an important marker in differential diagnosis of hydatidiform mole. CD44V6, MMP-9 play important roles in the process of transformation of hydatidiform mole. The combined detection of CD44V6, MMP-9, p57kip2 and hCG can help to diagnosis and differential diagnosis and predict biological behaviors and prognosis of hydatidiform mole.