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Autoantikörper gegen Steroid-21-Hydroxylase [PDF]
Springer Reference Medizin, 2019 semanticscholar +2 more sources
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Steroid 21-hydroxylase deficiency in congenital adrenal hyperplasia.
The Journal of Steroid Biochemistry and Molecular Biology, 2017Congenital adrenal hyperplasia (CAH) refers to a group of inherited genetic disorders involving deficiencies in enzymes that convert cholesterol to cortisol within the adrenal cortex. There are five key enzymes involved in the production of cortisol. Of these key enzymes, deficiency of 21-hydroxylase is the most commonly defective enzyme leading to CAH
A. Parsa, M. New
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Bovine steroid 21-hydroxylase: regulation of biosynthesis.
Biochemistry, 1986A recombinant cDNA clone, PBC21-1, specific for bovine steroid 21-hydroxylase cytochrome P-450 (P-450C21) was identified in a bovine adrenocortical cDNA library, and this identity was confirmed by nucleotide sequencing which revealed significant amino acid homology (77%) with human P-450C21 cDNA.
Maliyakal E. John +8 more
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Molecular Cloning of Steroid 21-Hydroxylase
Endocrine Research, 1984Congenital adrenal hyperplasia due to 21-hydroxylase (21-OH) deficiency is HLA-linked. The haplotype HLA-(A3);Bw47;DR7 is strongly associated with 21-OH deficiency and always carries a null allele at the complement C4A (Rodgers) locus. It seemed likely that this haplotype carries a deletion encompassing both the C4A and 21-OH loci. We hypothesized that
P C, White, B, Dupont, M I, New
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Mutations in Steroid 21-Hydroxylase (CYP21)
Human Mutation, 1994The inherited inability to synthesize cortisol is termed congenital adrenal hyperplasia. More than 90% of cases are caused by 21-hydroxylase deficiency. This syndrome is characterized by signs of androgen excess and often mineralocorticoid deficiency. Steroid 21-hydroxylase (P450c21) is a microsomal enzyme expressed in the adrenal gland that catalyzes ...
P C, White +3 more
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Journal of Biomolecular Structure and Dynamics, 2019
Congenital adrenal hyperplasia is an inherited autosomal recessive disorder related to deficient cortisol synthesis. The deficiency of steroid 21-hydroxylase (cytochrome P450 21A2), an enzyme involved in cortisol synthesis, is responsible for ∼95% of ...
Jorddy Neves Cruz +3 more
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Congenital adrenal hyperplasia is an inherited autosomal recessive disorder related to deficient cortisol synthesis. The deficiency of steroid 21-hydroxylase (cytochrome P450 21A2), an enzyme involved in cortisol synthesis, is responsible for ∼95% of ...
Jorddy Neves Cruz +3 more
semanticscholar +1 more source
Regulation of 21-Hydroxylase activity by steroids
Endocrine Research, 1995In this study, we investigated the effect of steroids on guinea pig and bovine adrenal steroidogenesis, especially 21-hydroxylase activity. Analysis of guinea pig adrenal steroids indicated the presence of high concentrations of androstenedione in the guinea pig adrenal; furthermore, in vitro studies using guinea pig adrenal cortex cells in primary ...
A, Bélanger +4 more
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Steroid 21-Hydroxylase Deficiency in Mice*
Endocrinology, 1988The enzyme steroid 21-hydroxylase (21-OHase) plays a key role in adrenal steroidogenesis. Defects in this enzyme are responsible for one of the most common inborn errors of metabolism in humans. Duplicated genes for the enzyme are located in the class III region of the major histocompatibility complex (MHC), HLA.
H, Gotoh +4 more
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