In conclusion, our results provide evidence that ALCAM is expressed in the luminal and glandular epithelial cells and trophectoderm
of conceptuses during the implantation period in pigs.
It was presumed that this is due to an increase in the number of trophectoderm
(TE) cells, which may enhance placentogenesis and/or the implantation ability of the embryos (Ohta et al.
In embryogenesis, LIF is normally expressed in the trophectoderm
of the developing embryo, with its receptor LIFR expressed throughout the inner cell mass.
Aberrant allocations of inner cell mass and trophectoderm
cells in bovine nuclear transfer blastocysts.
This morphological alteration occurs via hyperplasia in the sheep and cow, whereas in the pig the initial stages of trophectoderm
elongation take place through cellular reorganization and differentiation, and proliferation is a later event (Geisert et al.
The blastomeres subsequently differentiate into the trophectoderm
and the inner cell mass.
Morphological development, cell number, and allocation of cells to trophectoderm
and inner cell mass of in vitro fertilized and parthenogenetically developed buffalo embryos: the effect of IGF-I.
Discovery and characterization of an epithelial-specific galectin in the endometrium that forms crystals in the trophectoderm
Blastocysts were graded according to the size of blastocele cavity as early, full or expanded; the inner cell mass; and trophectoderm
Expression of Nanog has been observed in both the inner cell mass (ICM) and trophectoderm
of bovine blastocytes; however, its expression is restricted to the ICM in human and mouse blastocytes (Chambers et al.
Secreted phosphoprotein 1 (SPP1, osteopontin) binds to integrin alphavbeta6 on porcine trophectoderm
cells and integrin alphavbeta3 on uterine luminal epithelial cells, and promotes trophectoderm
cell adhesion and migration.
ATPase in function of trophectoderm
tight junctions (17).