Sichuan da xue xue bao. Yi xue ban = Journal of Sichuan University. Medical science edition · 2014
[The expression of EMT associated protein CK-18 and vimentin in gestational trophoblastic disease ].
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Cai Yan, Xue Yan, An Rui-fang
Аннотация
OBJECTIVE: To analyze the expression and clinicopathologic features of epithelial to mesenchymal transition (EMT) associated protein of cytokeratin-18 (CK-18) and vimentin in gestational trophoblastic disease (GTD).
METHODS: Immunohistochemistry was used to determine theexpression of CK-18 and vimentin in normal pregnancy villis (39 cases), hydatidiform mole (HM) (33 cases) and gestational trophoblastic neoplasia (GTN) (invasive mole 27 cases and choriocarcinoma 5 cases).
RESULTS: The GTN group had significantly lower levels of CK-18 compared with the normal pregnancy villis group and the HM group (P<0. 01). Vimentin was weakly positive in all kinds of trophocyte. There was no significance among normal pregnancy villis, HM and GTN groups (P> 0. 05). In HM, expression level of CK18 was significantly lower with the increase of the pathological malignancy (P<0. 01). And in GTN, the expression of CK-18 was significantly lower with the increase of the tumor anatomy stage (P<0. 001).
CONCLUSION: The expression of CK-18 decreases with the increase of tropohblast malignancy, which indicates that CK-18 may be involved in malignant transformation of trophocytes and EMT may play an important role in the malignant transformation of GTN.
METHODS: Immunohistochemistry was used to determine theexpression of CK-18 and vimentin in normal pregnancy villis (39 cases), hydatidiform mole (HM) (33 cases) and gestational trophoblastic neoplasia (GTN) (invasive mole 27 cases and choriocarcinoma 5 cases).
RESULTS: The GTN group had significantly lower levels of CK-18 compared with the normal pregnancy villis group and the HM group (P<0. 01). Vimentin was weakly positive in all kinds of trophocyte. There was no significance among normal pregnancy villis, HM and GTN groups (P> 0. 05). In HM, expression level of CK18 was significantly lower with the increase of the pathological malignancy (P<0. 01). And in GTN, the expression of CK-18 was significantly lower with the increase of the tumor anatomy stage (P<0. 001).
CONCLUSION: The expression of CK-18 decreases with the increase of tropohblast malignancy, which indicates that CK-18 may be involved in malignant transformation of trophocytes and EMT may play an important role in the malignant transformation of GTN.