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Examination of Prl5a1 promoter regions from F344, DSS, and BN rat strains. A: rat prolactin family locus. B: summary of nucleotide differences within ∼5 kb of 5′-flanking DNA among F344, DSS, and BN rat strains. C: potential transcription factor binding sites (TFBS) determined by rVista 2.0 (Transfac) analysis. D: F344, DSS, and BN promoter-luciferase reporter analysis in Rcho-1 trophoblast stem cells (TS) and rat embryonic fibroblasts (REF). *Significant differences (P < 0.05).
