Results 51 to 60 of about 4,066 (184)

Copy Number Variations in Genetic Diagnosis of Congenital Adrenal Hyperplasia Children

open access: yesFrontiers in Genetics, 2022
Background: Congenital adrenal hyperplasia (CAH) is a monogenic disorder caused by genetic diversity in the CYP21A2 gene, with 21-hydroxylase deficiency (21-OHD) as the most common type.
Aisha Tolba   +11 more
doaj   +1 more source

Salt-wasting congenital adrenal hyperplasia phenotype as a result of the TNXA/TNXB chimera 1 (CAH-X CH-1) and the pathogenic IVS2-13A/C > G in CYP21A2 gene

open access: yesHORMONES, 2022
Background Genetic diversity of mutations in the CYP21A2 gene is the main cause of the monogenic congenital adrenal hyperplasia (CAH) disorder. On chromosome 6p21.3, the CYP21A2 gene is partially overlapped by the TNXB gene, the two residing in tandem ...
P. Fanis   +3 more
semanticscholar   +1 more source

A Humanized and Viable Animal Model for Congenital Adrenal Hyperplasia–CYP21A2-R484Q Mutant Mouse

open access: yesInternational Journal of Molecular Sciences
Congenital Adrenal Hyperplasia (CAH) is an autosomal recessive disorder impairing cortisol synthesis due to reduced enzymatic activity. This leads to persistent adrenocortical overstimulation and the accumulation of precursors before the blocked ...
Shamini Ramkumar Thirumalasetty   +13 more
semanticscholar   +1 more source

Predicting Residual 21‐Hydroxylase Enzymatic Activity in Pediatric and Adult Congenital Adrenal Hyperplasia Patients: Towards Individualized Therapy

open access: yesCPT: Pharmacometrics &Systems Pharmacology, EarlyView.
ABSTRACT Congenital adrenal hyperplasia (CAH) is a genetic disorder characterized by impaired cortisol production and consequent elevated adrenocorticotropic hormone (ACTH): CAH patients often require lifelong hydrocortisone therapy. Disease severity reflects residual 21‐hydroxylase enzyme activity, crucial for cortisol synthesis.
Davide Bindellini   +7 more
wiley   +1 more source

Germ cell and other tumors in individuals with differences in sex development

open access: yesCA: A Cancer Journal for Clinicians, Volume 75, Issue 6, Page 587-601, November/December 2025.
Abstract Approximately one in 3500 to one in 5100 live‐born infants have atypical external genital development, known as differences in sex development (DSD). In 2005, an expert consensus conference thoroughly reviewed aspects of health care for individuals with DSD.
Selma Feldman Witchel   +1 more
wiley   +1 more source

Phenotypic variability of hyperandrogenemia in females heterozygous for CYP21A2 mutations

open access: diamondIndian Journal of Endocrinology and Metabolism, 2014
Objectives: The objective was to seek evidence on the prevalence and consequences of heterozygous CYP21A2 mutations in girls, adolescent, and adult females with clinical manifestation of androgen excess.
Vassos Neocleous   +4 more
openalex   +3 more sources

A Transcriptome‐Wide Association Study Identifies Candidate Susceptibility Loci and Genes for Lung Cancer Risk

open access: yesCancer Medicine, Volume 14, Issue 20, October 2025.
A transcriptome‐wide association study identified 40 genes associated with the risk of lung cancer, leveraging gene expression and genotype data from the Genotype‐Tissue Expression (GTEx) project and summary statistics of a genome‐wide association study on lung cancer.
Tianying Zhao   +13 more
wiley   +1 more source

ỨNG DỤNG KỸ THUẬT MULTIPLEX LIGATION – DEPENDENT PROBE AMPLIFICATION (MLPA) KHẢO SÁT ĐỘT BIẾN MẤT ĐOẠN GEN CYP21A2 GÂY BỆNH TĂNG SẢN THƯỢNG THẬN BẨM SINH

open access: yesTạp chí Y học Việt Nam
Tăng sản thượng thận bẩm sinh (TSTTBS) là bệnh di truyền lặn trên nhiễm sắc thể thường do thiếu hụt enzyme 21-hydroxylase. Sự thiếu hụt enzyme 21-hydroxylase xảy ra do các đột biến trên gen CYP21A2.
N. Nguyễn   +2 more
semanticscholar   +1 more source

Society for Endocrinology Clinical Practice Guideline for the Evaluation of Androgen Excess in Women

open access: yesClinical Endocrinology, Volume 103, Issue 4, Page 540-566, October 2025.
ABSTRACT Context Androgen excess is common in women and refers to clinical or biochemical evidence of elevated androgenic steroids such as testosterone. It is associated with underlying polycystic ovary syndrome in the majority of cases. However severe androgen excess is less common and may indicate the presence of underlying adrenal or ovarian ...
Yasir S. Elhassan   +14 more
wiley   +1 more source

Phenotype heterogeneity of congenital adrenal hyperplasia due to genetic mosaicism and concomitant nephrogenic diabetes insipidus in a sibling

open access: yesBMC Medical Genetics, 2018
Background Congenital adrenal hyperplasia (CAH) due to 21-hydroxylase deficiency (21OHD) is an autosomal recessive disorder caused by mutations in the CYP21A2.
Yılmaz Kor   +5 more
doaj   +1 more source

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