Conclusion TM4SF9 expression in the trophoblasts may relate to their invasiveness and play an important role in the metastasis of trophoblastic tumor.

• 结论TM4SF9蛋白的表达可能与滋养细胞的侵袭行为有关，TM4SF9在滋养细胞肿瘤的侵袭中有一定作用。