steroidogenic acute regulatory protein


Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.

steroidogenic acute regulatory protein

Abbreviation: StAR protein
A protein found within cells of the adrenal glands and gonads that stimulates the conversion of cholesterol into sex hormones, corticosteroids, and mineralocorticoids.
See also: protein
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
Hormonal regulation of messenger ribonucleic acid expression for steroidogenic factor-1, steroidogenic acute regulatory protein, and cytochrome P450 side-chain cleavage in bovine luteal cells.
Research studies point out the existence of a binding site for steroidogenic acute regulatory protein in the promoter region of the EG-VEGF gene.
Of note, the reduction of testosterone levels was accompanied by decreased expression of steroidogenic acute regulatory protein (StAR) and 3(3[beta]-hydroxysteroid dehydrogenase (3[beta]-HSD), as well as increased levels of cytochrome P450 side chain cleavage (P450scc), in Leydig cells.