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. Author manuscript; available in PMC: 2009 Jul 10.
Published in final edited form as: Placenta. 2007 Mar 9;28(Suppl A):S57–S63. doi: 10.1016/j.placenta.2007.01.004

Figure 2. HLA-G and β2m proteins expressed by trophoblast cells in the early to middle gestation placental villus, trophoblastic column, trophoblastic shell and decidua.

Figure 2

Although only HLA-G5 has been reported as positive in precursor cytotrophoblast cells and the proximal column, at least four isoforms (HLA-G1, -G2, -G5, -G6) and light chain, β2m, are expressed at the junction of the column and decidua as well as within the decidua. Revised and updated from Reference 6, Figure 4.