Regulation of peri-attachment embryo development in the golden hamster: role of growth factors
作者： P.B Seshagiri , A Mishra , G Ramesh , R.P Rao
DOI: 10.1016/S0165-0378(01)00086-9
关键词: Endocrinology 、 Internal medicine 、 Epidermal growth factor 、 Paracrine signalling 、 Transforming growth factor 、 Leukemia inhibitory factor 、 Growth factor 、 Trophoblast 、 Biology 、 Blastocyst 、 Hamster 、 Cell biology
摘要: The molecular regulation of mammalian peri-implantation development is complex and difficult to study in vivo. We successfully cultured hamster blastocysts through hatching peri-attachment stages, using a chemically defined medium, HECM-2h. Using this system, we showed that species-specific, embryonic cysteine-like protease involved blastocyst the process modulated by growth factors. In particular, heparin binding-epidermal factor (HB-EGF) or leukemia inhibitory (LIF) enhance hatching, former also improves attachment trophoblast outgrowth. observed interesting changing patterns expression mRNA and/or immunoreactive protein for EGF, HB-EGF, LIF transforming factor-β (TGF-β) embryo endometrial tissue, during development. Together, it appears outgrowth are regulated autocrine paracrine factors, produced embryo-endometrial tissues.
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