11. This enzyme participates in bile acid biosynthesis and c21-steroid hormone metabolism. 12. She also researched amino acid metabolism, steroid hormones and muscle biochemistry. 13. Other transported molecules include steroid hormones , thyroid hormones and various xenobiotics: 14. At least four different GPCR-linked proteins are known to respond to steroid hormones . 15. One possible explanation involves a class of steroid hormones called glucocorticoids. 16. Like other steroid hormones , testosterone is derived from cholesterol ( see figure ). 17. In addition to its activity as a steroid hormone , progesterone is a neurosteroid. 18. Neurokinin B has also been found to co-localize certain gonadal steroid hormone receptors. 19. The second pair are steroid hormones produced by the adrenal glands. 20. Steroid hormones easily enter and exit the membrane at physiologic conditions.
