人类妊娠是一个复杂而精细的过程,从囊胚的着床,到胎盘的形成及胎盘胎儿的发育,都需要滋养层细胞(cytotrophoblast cell)不断侵袭母体的子宫内膜,这一过程类似肿瘤细胞的侵袭行为但又得到很精细的调控,使得这一侵袭行为仅限于子宫。已有的研究表明,妊娠期滋养细胞的侵袭行为依? Human pregnancy is a complex and delicate process. From the implantation of the blastocyst to the formation of the placenta and the development of the placental fetus, it is necessary for the trophoblast cells to constantly invade the maternal endometrium, a process similar to that of tumor cells The aggressive behavior but very fine regulation, making this invasion is limited to the uterus. Existing research shows that gestational trophoblast invasion behavior according to?