转化生长因子β_1在妊娠滋养细胞疾病中的表达及临床意义

The expression and clinical benefit of TGF?β_1 in the gestational trophoblastic disease

目的 探讨转化生长因子β1 (Transforminggrowthfactorβ1 ,TGFβ1 )在妊娠滋养细胞疾病 (Gestationaltrophoblastdisease ,GTD)中的表达及其在该疾病发生、发展中的作用。方法 采用免疫组化SP法对 1 0例早孕 (6～ 1 2周 )人工流产绒毛、40例葡萄胎、1 0例侵蚀性葡萄胎及 6例绒毛膜癌组织进行了TGF β1 测定。结果 TGF β1 在四种不同组织中的阳性表达率分别为1 0 0 %、95%、80 %、66 7% ,葡萄胎组织中 ,TGF β1 染色强度与组织分级均无相关性 (P >0 0 5) ;TGF β1 染色在良性葡萄胎与以后恶变的葡萄胎之间表达无差异 (P >0 .0 5)。结论 TGF β1 与GTD的发展呈负相关 ,作为细胞生长的负性调节因子 ,有可能抑制GTD细胞生长和侵蚀 ,并在抑制GTD细胞恶性转化过程中发挥作用 ;TGF β1

Objective To determine whether TGF?β 1 has any possible correlation with occurrence and development of gestational trophoblastic disease. Methods Immunohistologic staining for TGF?β 1 was performed on archival materials from 10 cases of first trimester villi, 40 hydatidiform mole, 10 invasive mole and 6 gestational choriocarcinoma. Results It was shown that the positive rate of TGF?β 1 was 100% in the first trimester villi, 95% in hydatidiform mole, 80% in invasive mole and 66.7% in gestational choriocarcinoma. In hydatidiform mole group, the staining intensity on TGF?β 1 wasn't associated with histologic grade ( P >0 05). Conclusion As a negative regulator of cell proliferation, TGF?β 1 may play an important role in the inhibition of proliferation and invasion of trophoblastic cells and of GTD malignant transformation process. TGF?β 1 isn't associated with prognostic of hydatidiform mole.