Steroid hormone

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Steroid hormones are made from cholesterol. Some examples include: cortisol, steroid sex hormones, vitamin D, progesterone, and the molting hormone ecdysone (in insects)[1].

Steroid hormones bind to cytosolic receptors that act in the nucleus as opposed to the cell surface. The steroid hormone enters the target cell, binds to a specific receptor protein, and thereby regulates gene expression.

References

  1. Alberts, Johnson, Lewis, Raff, Roberts and Walter. (2008) 'Molecular Biology of the Cell' 5th Edition. New York: Garlands Science
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