نتایج جستجو برای: androgen insensitivity syndrome
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AIM To investigate the role of CAG and GGN repeats as genetic background affecting androgen insensitivity syndrome (AIS) phenotype. METHODS We analyzed lengths of androgen receptor (AR)-CAG and GGN repeats in 69 AIS cases, along with 136 unrelated normal male individuals. The lengths of repeats were analyzed using polymerase chain reaction (PCR) amplification followed by allelic genotyping to...
Besides many other factors, androgens play a role in expression of male phenotype. Androgen activity is mediated by androgen receptor (AR). After binding to androgen, AR translocates to nucleus and adheres to the regulatory regions of specific chromosomal DNA sequences (androgen response elements/ARE), to activate androgen dependent genes. The AR is encoded by the AR gene (Xq11–12). The gene is...
Mutations in the X-linked androgen receptor (AR) gene cause the androgen insensitivity syndrome by impairing androgen-dependent male sexual differentiation to varying degrees. Complete androgen insensitivity (CAIS) yields an external female phenotype, whereas affected cases of partial androgen insensitivity have various ambiguities of the genitalia. Here we describe a 46,XY phenotypically femal...
Gynecomastia is a benign enlargement of the male breast caused by the proliferation of glandular breast tissue. Determining the various causes of gynecomastia such as physiological causes, drugs, systemic diseases, and endocrine disorders is important. Androgen insensitivity syndrome (AIS) is a rare endocrine disorder presenting with gynecomastia and is a disorder of male sexual differentiation...
Five novel androgen receptor gene mutations associated with complete androgen insensitivity syndrome
Disorders of sexual development (DSD) are congenital anomalies due to atypical development of chromosomes, gonads and anatomy. Complete androgen insensitivity syndrome (CAIS), also known as testicular feminization (TF) is a rare DSD disease. The majority of CAIS patients apply to hospital with the complaint of primary amenorrhea or infertility. Given that CAIS patients are all phenotypically fe...
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