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. 2012 Aug 30;7(8):e44340. doi: 10.1371/journal.pone.0044340

Figure 1. Immunoreactivity for OPG on human placental tissues.

Figure 1

Immunoreactivity for OPG on normal term placentas (A), mild preeclampsia placentas (B), and severe preeclampsia placentas (C). OPG was localized in cytotrophoblast [C] and syncytiotrophoblast [S] cells (×400). Positive control of adipose tissues shows OPG immunostaining (D; ×400); however, negative control of the primary antibody normal term placenta obtained by substituting the primary antibody with phosphate buffer saline (PBS) shows no OPG immunostaining (E; ×400).