Steroidogenic hormones

Biosynthesis of steroid hormones requires a battery of oxidative enzymes located in both mitochondria and endoplasmic reticulum. The rate-limiting step in this process is the transport of free cholesterol from the cytoplasm into mitochondria. Within mitochondria, cholesterol is converted to pregnenolone by an enzyme in the inner membrane called CYP11A1. Pregnenolone itself is not a hormone, but is the immediate precursor for the synthesis of all of the steroid hormones. The following table delineates the enzymes required to synthesize the major classes of steroid hormones.

It depends a lot on how strongly you brew your tea, as well as how caffeinated the tea itself is. In general, white tea has the least caffeine and the most EGCG (a potent anti-acne compound), green tea has a little more caffeine and a little less EGCG, and black tea has the most caffeine and not nearly as much EGCG. White tea is really your best bet. I’ve found a quite inexpensive box of white tea containing 100 tea bags (organic) for under $10 at Whole Foods – Prince of Peace brand, I believe. It takes a little getting used to, coming from black tea, but it’s really quite enjoyable. You should be fine with green tea, too, though I’d generally discourage drinking black tea since it can approach coffee-like amounts of caffeine.

The StAR protein was first identified, characterized and named by Dr. Douglas Stocco at Texas Tech University Health Sciences Center in 1994. [18] The role of this protein in lipoid CAH was confirmed the following year in collaboration with Dr. Walter Miller at the University of California, San Francisco . [19] All of this work follows the initial observations of the appearance of this protein and its phosphorylated form coincident with factors that caused steroid production by Dr. Nanette Orme-Johnson while at Tufts University . [20]

Steroidogenic hormones

steroidogenic hormones


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