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Androgen insensitivity

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https://www.readbyqxmd.com/read/28719918/-the-wish-for-a-child-in-the-case-of-permanent-infertility-development-of-the-german-questionnaire-on-attitudes-toward-motherhood
#1
Maike Fliegner, Hertha Richter-Appelt, Kerstin Krupp, Franziska Brunner
Study 1 Development of the questionnaire Most questionnaires on attitudes toward motherhood presume that the subject is fertile and positive and negative attitudes are represented on a one-dimensional scale. Moreover, the questionnaires often do not provide German versions and German norms. The aim of this study is to examine whether the German Questionnaire on Attitudes toward Motherhood ("FEMu") can be used to describe attitudes toward motherhood multi-dimensionally and whether it is applicable independent of a person's fertility status...
July 18, 2017: Psychotherapie, Psychosomatik, Medizinische Psychologie
https://www.readbyqxmd.com/read/28719904/gonadectomy-in-complete-androgen-insensitivity-syndrome-why-and-when
#2
Ulla Döhnert, Lutz Wünsch, Olaf Hiort
Prophylactic gonadectomy has been recommended in complete androgen insensitivity syndrome (CAIS) because of an increased risk for the development of malignant germ cell tumors in the intra-abdominal gonads. No reliable screening parameters are available to detect early (pre-)malignant changes. Because the tumor risk before puberty is very low, the timing of gonadectomy has been postponed to allow spontaneous puberty and involvement of the patients in important decisions affecting their body and health. Gonadectomy after puberty is still discussed controversially...
July 19, 2017: Sexual Development: Genetics, Molecular Biology, Evolution, Endocrinology, Embryology, and Pathology of Sex Determination and Differentiation
https://www.readbyqxmd.com/read/28719895/update-on-the-pathophysiology-and-risk-factors-for-the-development-of-malignant-testicular-germ-cell-tumors-in-complete-androgen-insensitivity-syndrome
#3
Martine Cools, Leendert Looijenga
Prophylactic gonadectomy in young adult women with complete androgen insensitivity syndrome (CAIS) to avoid development of an invasive testicular germ cell tumor (TGCT) is currently advised in most centers. However, women with CAIS increasingly question the need of this procedure. In order to provide optimal counseling and follow-up of these women, insight in the mechanisms underlying TGCT development in androgen insensitivity syndrome (AIS), data regarding the incidence of TGCT in AIS adults specifically, and an overview of existing and novel screening tools for in situ and invasive neoplastic lesions are crucial...
July 19, 2017: Sexual Development: Genetics, Molecular Biology, Evolution, Endocrinology, Embryology, and Pathology of Sex Determination and Differentiation
https://www.readbyqxmd.com/read/28715798/bone-mineral-density-in-women-living-with-complete-androgen-insensitivity-syndrome-and-intact-testes-or-removed-gonads
#4
Silvano Bertelloni, Maria C Meriggiola, Elenora Dati, Antonio Balsamo, Giampiero I Baroncelli
Complete androgen insensitivity syndrome (CAIS) is due to complete androgen resistance in androgen-dependent tissues. Since androgens are involved in growth, development, and mass maintenance of the skeleton, bone health may be a relevant clinical issue for improving quality of life of women living with CAIS. Bone mineral density (BMD) in women with CAIS and intact gonads has been reported in a normal range, although exceptions are known showing a low BMD mainly at the lumbar level. In women with CAIS and removed gonads, BMD is usually reduced at both the lumbar spine and femoral neck...
July 18, 2017: Sexual Development: Genetics, Molecular Biology, Evolution, Endocrinology, Embryology, and Pathology of Sex Determination and Differentiation
https://www.readbyqxmd.com/read/28688959/from-gene-to-therapy-in-spinal-and-bulbar-muscular-atrophy-are-we-there-yet
#5
REVIEW
Maria Pennuto, Carlo Rinaldi
Abnormal polyglutamine expansions in the androgen receptor (AR) cause a muscular condition, known as Kennedy's disease or spinal and bulbar muscular atrophy (SBMA). The disease is transmitted in an X-linked fashion and is clinically characterized by weakness, atrophy and fasciculations of the limb and bulbar muscles as a result of a toxic gain-of-function of the mutant protein. Notably, affected males also show signs of androgen insensitivity, such as gynaecomastia and reduced fertility. The characterization of the natural history of the disease, the increasing understanding of the mechanism of pathogenesis and the elucidation of the functions of normal and mutant AR have offered a momentum for developing a rational therapeutic strategy for this disease...
July 5, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28687949/controversies-of-sex-re-assignment-in-genetic-males-with-congenital-inadequacy-of-the-penis
#6
Venkatachalam Raveenthiran
Sex assignment in 46XY genetic male children with congenital inadequacy of the penis (CIP) is controversial. Traditionally, children with penile length less than 2 cm at birth are considered unsuitable to be raised as males. They are typically re-assigned to female-sex and feminizing genitoplasty is usually done in infancy. However, the concept of cerebral androgen imprinting has caused paradigm shift in the philosophy of sex re-assignment. Masculinization of the brain, rather than length of the penis, is the modern criterion of sex re-assignment in CIP...
July 8, 2017: Indian Journal of Pediatrics
https://www.readbyqxmd.com/read/28670533/mutational-analysis-of-androgen-receptor-gene-in-two-families-with-androgen-insensitivity
#7
Radha Ramadevi Akella
BACKGROUND: Androgen insensitivity syndrome (AIS) is a rare X-linked disorder due to mutations in the androgen receptor (AR) gene causing end-organ resistance to the androgenic hormone. SUBJECTS AND METHODS: Genetic studies were carried out in two families by karyotype and targeted exome sequencing of the AR gene. RESULTS: Two novel missense mutations were identified, p.L822P and p.P392S, in two families with complete androgen insensitivity (CAIS) and partial androgen insensitivity (PAIS), respectively...
July 2017: Indian Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28667915/knockdown-of-tnf-receptor-associated-factor-2-traf2-modulates-in-vitro-growth-of-trail-treated-prostate-cancer-cells
#8
Bingbing Wei, Jun Ruan, Yuanyuan Mi, Jimeng Hu, Jian Zhang, Zhirong Wang, Qiang Hu, Haowen Jiang, Qiang Ding
TNF receptor-associated factor 2 (TRAF2) is documented to regulate tumor development and progression. Currently, the effect of TRAF2 on growth of androgen-refractory prostate cancer in response to TRAIL and the molecular mechanisms are not well understood. Here, we aim to investigate the effect of TRAF2 on in vitro growth of human androgen-insensitive prostate cancer DU-145 cells in the presence of TRAIL. Bioinformatics analysis of the Cancer Genome Atlas (TCGA) data was performed to examine TRAF2 expression and the prognostic value in prostate cancer...
June 28, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28659371/mild-androgen-insensitivity-syndrome-mais-the-identification-of-c-1783c-t-mutation-in-two-unrelated-infertile-men
#9
Ghalia Abou Alchamat, Ammar Madania, Marwan Alhalabi
Two unrelated men complaining of primary male infertility presented to Orient Hospital in Damascus city. Physical examination showed moderate hypoandrogenic features. Both men were azoospermic. Hormone profiles revealed an elevation of follicle-stimulating hormone in one patient, but all the other hormones tested were within normal limits for both patients. Further genetic analyses, including karyotype and microdeletions in the AZF region of the Y chromosome, were normal in both patients. Mild androgen insensitivity syndrome was expected in the two patients...
June 28, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28645352/r%C3%A3-sistances-aux-hormones-st%C3%A3-ro%C3%A3-des-physiologie-et-pathologie-pathophysiology-of-steroid-resistance-syndrome
#10
N Ramos, M Lombès
Steroid resistance syndrome (mineralocorticoids, glucocorticoids, estrogens, androgens) is a rare clinical disorder, androgen insensitivity syndrome being the most commonly described. Resistance syndromes are characterized by elevated steroid hormone levels, secondary to an impaired signal transduction and a lack of negative feedback, without any specific clinical signs of steroid excess. In most cases, steroid hormone resistance is generally caused by steroid receptor mutations. Several nonsense and missense mutations or deletions have already been described for all steroid receptors, except for the progesterone receptor...
October 2016: Annales D'endocrinologie
https://www.readbyqxmd.com/read/28639228/role-of-20-hydroxyeicosatetraenoic-acid-20-hete-in-androgen-mediated-cell-viability-in-prostate-cancer-cells
#11
Cecilia Colombero, Daniela Papademetrio, Paula Sacca, Eduardo Mormandi, Elida Alvarez, Susana Nowicki
20-Hydroxyeicosatetraenoic acid (20-HETE) is generated intracellularly through the ω-hydroxylation of arachidonic acid by the cytochrome P450 (in humans, CYP4A11 and CYP4F2). 20-HETE induces mitogenic responses in different cancer cells. The aim of this study was to analyze how 20-HETE impacts cell survival, proliferation, and apoptosis in prostate cancer cells. Incubation of the human androgen-sensitive cells (LNCaP) with 1-10 μM HET0016 (a selective inhibitor of 20-HETE synthesis) reduced cell viability by 49*-64%* (*p < 0...
August 2017: Hormones & Cancer
https://www.readbyqxmd.com/read/28624954/ar-mutations-in-28-patients-with-androgen-insensitivity-syndrome-prader-grade-0-3
#12
Yi Wang, Chunxiu Gong, Xiou Wang, Miao Qin
We investigated the androgen receptor (AR) gene mutation profiles of Chinese patients exhibiting severe androgen insensitivity syndrome (AIS) phenotypes. The present study enrolled 28 patients with genetically diagnosed AIS, who presented with severe phenotypes (Prader grade 0-3). Patients and some family members were screened via amplification and sequencing of their AR exons 1-8, including the corresponding intronic flanking regions. Luteinizing (LH), follicle-stimulating (FSH), and testosterone (T) hormone levels were found to be slightly, but not significantly, higher in patients with complete androgen insensitivity syndrome (CAIS) than in patients with partial androgen insensitivity syndrome (PAIS) (P>0...
June 14, 2017: Science China. Life Sciences
https://www.readbyqxmd.com/read/28615185/hormone-replacement-treatment-choices-in-complete-androgen-insensitivity-syndrome-an-audit-of-an-adult-clinic
#13
Jennifer K Y Ko, Thomas F J King, Louise Williams, Sarah M Creighton, Gerard S Conway
OBJECTIVE: To review the treatment choices of women with complete androgen insensitivity syndrome (CAIS) at a single tertiary centre. DESIGN: Retrospective review. PATIENTS: Women with CAIS identified from our database. RESULTS: The study group comprised 141 women with CAIS. Eleven percent (16/141) of women had gonads in situ, 3 of whom were under workup for gonadectomy. The age of gonadectomy in the remainder 125 women was 17 (0...
August 2017: Endocrine Connections
https://www.readbyqxmd.com/read/28613048/is-the-second-to-fourth-digit-ratio-2d-4d-a-biomarker-of-sex-steroids-activity
#14
Vincenzo de Sanctis, Ashraf T Soliman, Heba Elsedfy, Nada Soliman, Rania Elalaily, Salvatore Di Maio
The second-to-fourth digit ratio (2D:4D) has been used as an indirect method to investigate the putative effects of prenatal exposure to androgens, and has been reported to be smaller in males than in females. This gender difference in digit length ratios has been linked with the in utero balance of androgens to oestrogen. This sexual dimorphism in 2D:4D ratios is apparent by 2 years of age and seems to be established early in life, possibly by the 14th week of gestation. Digits in females attain their maximum length at about 2...
June 2017: Pediatric Endocrinology Reviews: PER
https://www.readbyqxmd.com/read/28611373/is-there-any-clinical-relevant-difference-between-non-mosaic-klinefelter-syndrome-patients-with-or-without-androgen-receptor-variations
#15
Umberto Valente, Cinzia Vinanzi, Savina Dipresa, Riccardo Selice, Massimo Menegazzo, Massimo Iafrate, Carlo Foresta, Andrea Garolla
Klinefelter Syndrome (KS) is the most common chromosomal disorder in men leading to non-obstructive azoospermia. Spermatozoa can be found by TESE in about 50% of adults with KS despite severe testicular degeneration. We evaluated AR variations and polymorphism length in 135 non-mosaic KS patients, aimed to find possible correlation with clinical features, sex hormones and sperm retrieval. Among 135 KS patients we found AR variations in eight subjects (5.9%). All variations but one caused a single amino acid substitution...
June 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28609774/gonadal-surgery-in-complete-androgen-insensitivity-syndrome-a-debate
#16
Silvano Bertelloni
No abstract text is available yet for this article.
June 14, 2017: Sexual Development: Genetics, Molecular Biology, Evolution, Endocrinology, Embryology, and Pathology of Sex Determination and Differentiation
https://www.readbyqxmd.com/read/28604478/fdg-pet-ct-image-of-seminoma-in-androgen-insensitivity-syndrome
#17
Eun Ji Han, Joo Hyun O, Gun Park, Junguee Lee
We report the FDG PET/CT findings of seminoma in a 21-year-old woman with androgen insensitivity syndrome. PET images showed focal FDG uptake in the left pelvic sidewall, and a hypodense lesion with calcifications was noted in the corresponding CT images. Another smaller hypodense lesion with calcifications was noted in the right pelvic sidewall, but faint FDG uptake. Laparoscopic surgery was performed, and both lesions were pathologically confirmed as seminomas.
August 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28556958/downregulation-of-androgen-receptors-by-naaso2-via-inhibition-of-akt-nf-%C3%AE%C2%BAb-and-hsp90-in-castration-resistant-prostate-cancer
#18
Yunlim Kim, Sang Eun Park, Jeong-Weon Moon, Bong-Min Kim, Ha-Gyeong Kim, In Gab Jeong, Sangjun Yoo, Jae Beom Ahn, Dalsan You, Jhang Ho Pak, Sujong Kim, Jung Jin Hwang, Choung-Soo Kim
BACKGROUND: Androgen and androgen receptor (AR) play essential roles in the development and maintenance of prostate cancer. The recently identified AR splice variants (AR-Vs) have been considered as a plausible mechanism for the primary resistance against androgen deprivation therapy (ADT) in castration-resistant prostate cancer (CRPC). Sodium meta-arsenite (NaAsO2 ; KML001; Kominox), a trivalent arsenical, is an orally bioavailable and water soluble, which is currently in phase I/II clinical trials for the treatment of prostate cancer...
May 30, 2017: Prostate
https://www.readbyqxmd.com/read/28545802/attitudes-towards-disorders-of-sex-development-nomenclature-among-affected-individuals
#19
Emilie K Johnson, Ilina Rosoklija, Courtney Finlayson, Diane Chen, Elizabeth B Yerkes, Mary Beth Madonna, Jane L Holl, Arlene B Baratz, Georgiann Davis, Earl Y Cheng
INTRODUCTION: Although now commonly used in medicine, the updated "disorders of sex development" (DSD) nomenclature formally introduced in 2006 has never been universally accepted by members of the affected community, particularly advocacy groups. Use of this nomenclature by medical professionals may unintentionally negatively affect access to healthcare and research for individuals with DSD conditions. OBJECTIVE: Among individuals affected by various DSD diagnoses, this study sought to (1) evaluate attitudes towards potentially controversial DSD terminology, (2) determine potential impact of terminology on how affected individuals access healthcare, and (3) explore alternate terms...
May 8, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28544305/a-practical-guide-for-evaluating-gonadal-germ-cell-tumor-predisposition-in-differences-of-sex-development
#20
REVIEW
Louise C Pyle, Katherine L Nathanson
Differences of Sex Development (DSD) includes a wide spectrum of etiologies and phenotypes. A subset of individuals with DSDs are predisposed to gonadal germ cell tumor (GCT). In this setting, GCT risk varies widely, depending on the DSD molecular etiology and penetrance. Prognostication based on molecular diagnosis remains challenging, as natural history data specific to recently identified molecular causes of DSD is lacking. In this review, we provide a framework for the clinical geneticist to consider GCT tumor risk in the patient with DSD...
June 2017: American Journal of Medical Genetics. Part C, Seminars in Medical Genetics
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