Cross references: Steroids Intracellular Receptors Steroid ActionsThis is an initial list of references which I will continue to supplement.
Glucocorticoids Mitochrondrial Steroids
Androgens Testosterone Criminal Testosterone
Cholesterol - Wikipedia
Phylogenomics of Sterol Synthesis: Insights into the Origin, Evolution, and Diversity of a Key Eukaryotic Feature
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Note: This reference is very long, so I'm only copying the parts I find most relevant.
from the Abstract:
" We also inferred that the last eukaryotic common ancestor already harbored a large panel of enzymes for sterol synthesis and that subsequent evolution over the eukaryotic tree occurred by tinkering, mainly by gene losses."
from the HTML: