Stage-specific embryonic antigen 3 as a marker of visceral extraembryonic endoderm.
Embryo: im, ph, Endoderm: im, ph, Female, Gestational-Age, Glycolipids: an, Mice, Ovum-Implantation, Pregnancy, SUPPORT-U-S-GOVT-NON-P-H-S, SUPPORT-U-S-GOVT-P-H-S
Dev Biol 1984 May;103(1):263-6
CA10815, CA18470, HD12487
The distribution of the stage-specific embryonic antigen SSEA-3 was studied immunohistochemically on postimplantation mouse embryos. This carbohydrate antigen, identified as an epitope of a globo-series ganglioside isolated from human teratocarcinoma cells (Kannagi et al., 1983, J. Biol. Chem. 258, 8934-8942) was originally detected on the zygote and mouse early cleavage-stage embryos. It disappears on the early blastocyst and reappears on the primitive endoderm of the implanting blastocyst (Shevinsky et al., 1982, Cell 30, 697-705). We now show in the early egg cylinder (on the sixth day of pregnancy) SSEA-3 is present in the entire visceral endoderm but not in any other part of the conceptus. From Day 7 of pregnancy onward, SSEA-3 is restricted to the extraembryonic visceral endoderm and the visceral yolk sac cells. Therefore, SSEA-3 is a useful marker for this endodermal cell lineage in midgestational mouse embryos.
Fox, N W.; Damjanov, I; Knowles, B B.; and Solter, D, " Stage-specific embryonic antigen 3 as a marker of visceral extraembryonic endoderm." (1984). Faculty Research 1980 - 1989. 624.
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