Summary of CYP19A1

CYP19A1 is a gene that encodes for a cytochrome P450 enzyme, aromatase, which catalyzes many reactions involved in drug metabolism and synthesis of cholesterol, steroids, and other lipids (R). 

This gene is important for sexual development because it catalyzes the last steps of estrogen biosynthesis. It is present during differentiation of sex organs for species with temperature-dependent sexual differentiation (R). 

It is also shown to help protect the brain in mice and finches by reducing cell death during brain injuries (R). 

The Function of CYP19A1

Catalyzes the formation of aromatic C18 estrogens from C19 androgens.

Protein names

Recommended name:


Short name:


Alternative name(s):

Cytochrome P-450AROM
Cytochrome P450 19A1
Estrogen synthase

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Top Gene-Substance Interactions

CYP19A1 Interacts with These Diseases

Substances That Increase CYP19A1

Substances That Decrease CYP19A1

Advanced Summary

Conditions with Increased Gene Activity

Conditions with Decreased Gene Activity