Partial Defect in the Cholesterol Side-Chain Cleavage Enzyme P450scc (CYP11A1) Resembling Nonclassic Congenital Lipoid Adrenal Hyperplasia
Author(s) -
Taninee Sahakitrungruang,
Meng Kian Tee,
Piers R. Blackett,
Walter L. Miller
Publication year - 2010
Publication title -
the journal of clinical endocrinology and metabolism
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.206
H-Index - 353
eISSN - 1945-7197
pISSN - 0021-972X
DOI - 10.1210/jc.2010-1828
Subject(s) - cholesterol side chain cleavage enzyme , cleavage (geology) , chemistry , enzyme , steroidogenic acute regulatory protein , side chain , endocrinology , medicine , biology , biochemistry , cytochrome p450 , messenger rna , gene , organic chemistry , paleontology , fracture (geology) , polymer
The cholesterol side-chain cleavage enzyme (P450scc), encoded by the CYP11A1 gene, converts cholesterol to pregnenolone to initiate steroidogenesis. Genetic defects in P450scc cause a rare autosomal recessive disorder that is clinically indistinguishable from congenital lipoid adrenal hyperplasia (lipoid CAH). Nonclassic lipoid CAH is a recently recognized disorder caused by mutations in the steroidogenic acute regulatory protein (StAR) that retain partial function.
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