نتایج جستجو برای: sex steroid binding protein
تعداد نتایج: 1667173 فیلتر نتایج به سال:
The prostate develops in the urogenital sinus (UGS) under the influence of androgens. Whilst free androgens can enter the cell to activate the androgen receptor and induce prostate development, approximately 98.5% of androgens in plasma are bound to binding proteins such as sex hormone binding globulin (SHBG). There is increasing evidence that an alternative pathway for androgens to enter targe...
The prostate develops in the urogenital sinus (UGS) under the influence of androgens. Whilst free androgens can enter the cell to activate the androgen receptor and induce prostate development, approximately 98.5% of androgens in plasma are bound to binding proteins such as sex hormone binding globulin (SHBG). There is increasing evidence that an alternative pathway for androgens to enter targe...
Epigenetic changes in the nervous system are emerging as a critical component of enduring effects induced by early life experience, hormonal exposure, trauma and injury, or learning and memory. Sex differences in the brain are largely determined by steroid hormone exposure during a perinatal sensitive period that alters subsequent hormonal and nonhormonal responses throughout the lifespan. Ster...
Rat liver cytosolic proteins were photoaffinity labeled with the synthetic steroid [3H]methyltrienolone in order to identify and characterize hepatic proteins that may participate in the intracellular binding and transport of steroid hormones and other sterols. A male-specific and a female-specific sterol-binding protein (SBP) that migrated to the 4 S region of a sucrose gradient and had simila...
LH and FSH play crucial roles in mammalian reproduction by mediating steroidogenesis and gametogenesis. Gonadal steroid hormones influence gonadotropin production via feedback to the hypothalamus and pituitary. We previously demonstrated that progesterone and testosterone can stimulate expression of the FSH beta-subunit gene in immortalized gonadotrope-derived LbetaT2 cells. Herein, we investig...
BACKGROUND Studies investigating the association of cadmium and sex steroid hormones in men have been inconsistent, but previous studies were relatively small. METHODS In a nationally representative sample of 1,262 men participating in the morning examination session of phase I (1998-1991) of the third National Health and Nutrition Examination Survey, creatinine corrected urinary cadmium and ...
Hsp70 binding protein 1 (HspBP1) and Bcl2-associated athanogene 1 (BAG-1), the functional orthologous nucleotide exchange factors of the heat shock protein 70 kilodalton (Hsc70/Hsp70) chaperones, catalyze the release of ADP from Hsp70 while inducing different conformational changes of the ATPase domain of Hsp70. An appropriate exchange rate of ADP/ATP is crucial for chaperone-dependent protein ...
The molecular docking computer program SANDOCK was used to screen small molecule three-dimensional databases in the hunt for novel FKBP inhibitors. Spectroscopic measurements confirmed binding of over 20 compounds to the target protein, some with dissociation constants in the low micromolar range. The discovery that FK506 binding protein is a steroid binding protein may be of wider biological s...
BACKGROUND The CYP11A1 gene encodes the cytochrome P450 side-chain cleavage enzyme, which is essential for steroid formation. Recessive variants in this gene can lead to impairment of sexual differentiation caused by a complete or partial loss of steroid hormone production. The phenotypic spectrum in affected 46XY males may vary from surgically repairable defects including cryptorchidism and hy...
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