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Effect of intrauterine PGF or PBS treatment on steady-state mRNA concentrations for A) JUN (jun proto-oncogene), B) FOS (FBJ murine osteosarcoma viral oncogene homolog), C) NR4A1 (nuclear receptor subfamily 4, group A, member 1), and D) EGR1 (early growth response 1). Data are shown as fold changes ± SEM. Columns with different letters (a, b, c) at each biopsy indicate differences; P < 0.05. First, second, third, and fourth indicate biopsy times.
