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Mice lacking the function of the polycomb group protein CBX2 (chromobox homolog 2; also known as M33) show defects in gonadal, adrenal, and splenic development. In particular, XY knockout (KO) mice develop ovaries but not testes, and the gonads are hypoplastic in both sexes. However, how CBX2 regulates development of these tissues remains largely unknown.(More)
The aryl hydrocarbon receptor (AhR) is a ligand-activated transcription factor that mediates diverse dioxin toxicities. Despite mediating the adverse effects, the AhR gene is conserved among animal species, suggesting important physiological functions for AhR. In fact, a recent study revealed that AhR has an intrinsic function in female reproduction, though(More)
Forkhead transcription factors are characterized by a winged helix DNA binding domain, and the members of this family are classified into 20 subclasses by phylogenetic analyses. Fkhl18 is structurally unique, and is classified into FoxS subfamily. We found Fkhl18 expression in periendothelial cells of the developing mouse fetal testis. In an attempt to(More)
Mice with disrupted mammalian PcG (Polycomb group) genes commonly show skeletal transformation of anterior-posterior identities. Disruption of the murine M33 gene, a PcG member, displayed posterior transformation of the vertebral columns and sternal ribs. In addition, failure of T-cell expansion and hypoplasia and sex-reversal of the gonads, have been(More)
Mice with disrupted mammalian PcG (Polycomb group) genes commonly show skeletal transformation of anterior-posterior identities. Disruption of the murine M33 gene, a PcG member, displayed posterior transformation of the vertebral columns and sternal ribs. In addition, failure of T-cell expansion and hypoplasia and sex-reversal of the gonads, have been(More)
INTRODUCTION Human epidermal growth factor receptor (HER)-2 overexpression or gene amplification is more common in high-grade or type 2 endometrial carcinomas. We assessed the discordance of HER-2 expression between primary and metastatic or recurrent endometrial carcinomas. MATERIALS AND METHODS Thirty-six primary, along with 14 metastatic and five(More)
Although cytochrome P45017alpha catalyzes the formation of androgen from both pregnenolone and progesterone, the production of androstenedione from progesterone is a major pathway in the guinea pig, rat, mouse, and hamster. In contrast, human, bovine and sheep P45017alpha produce dehydroepiandrosterone from pregnenolone. Cytochrome P45017alphas from all of(More)
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