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https://www.readbyqxmd.com/read/29245176/high-risk-of-hypogonadism-in-young-male-cancer-survivors
#1
S Isaksson, K Bogefors, O Ståhl, J Eberhard, Y Lundberg Giwercman, I Leijonhufvud, K Link, I Øra, P Romerius, J Bobjer, A Giwercman
OBJECTIVE: Cancer and its treatment in childhood and young adulthood can cause hypogonadism, leading to increased risk of long term morbidity and mortality. The aim of this study was to evaluate the risk of presenting with biochemical signs of hypogonadism in testicular cancer survivors (TCS) and male childhood cancer survivors (CCS) in relation to the type of treatment given. DESIGN: Case-control study. PATIENTS: Ninety-two TCS, 125 CCS (mean age 40 and median age 34 years, respectively; mean follow-up time 9...
December 15, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/29243324/validation-of-histone-deacetylase-3-as-a-therapeutic-target-in-castration-resistant-prostate-cancer
#2
Abigail B McLeod, James P Stice, Suzanne E Wardell, Holly M Alley, Ching-Yi Chang, Donald P McDonnell
BACKGROUND: Whereas the androgen receptor (AR) signaling axis remains a therapeutic target in castration-resistant prostate cancer (CRPC), the emergence of AR mutations and splice variants as mechanisms underlying resistance to contemporary inhibitors of this pathway highlights the need for new therapeutic approaches to target this disease. Of significance in this regard is the considerable preclinical data, indicating that histone deacetylase (HDAC) inhibitors may have utility in the treatment of CRPC...
December 15, 2017: Prostate
https://www.readbyqxmd.com/read/29243074/predictive-factors-and-the-important-role-of-detectable-prostate-specific-antigen-for-detection-of-clinical-recurrence-and-cancer-specific-mortality-following-robot-assisted-radical-prostatectomy
#3
S García-Barreras, F Rozet, I Nunes-Silva, V Srougi, R Sanchez-Salas, E Barret, M Galiano, X Cathelineau
PURPOSE: To evaluate predictive factors associated with detectable prostate-specific antigen (PSA) and describe clinical recurrence (CR) and cancer-specific mortality (CSM) after robot-assisted radical prostatectomy (RARP). METHODS: The study included 2500 patients who were treated with RARP at a single institution between 2000 and 2016. All patients had clinically localized PCa. Patients were divided into two groups according to PSA value at 6 weeks after surgery: undetectable (n = 2271; PSA < 0...
December 14, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/29242988/anabolic-androgenic-steroids-aas-increase-sensitivity-to-uncertainty-by-inhibition-of-dopamine-d1-and-d2-receptors
#4
Kathryn G Wallin-Miller, Frida Kreutz, Grace Li, Ruth I Wood
BACKGROUND: Anabolic-androgenic steroid abuse is implicated in maladaptive behaviors such as impaired cognition in humans. In a rat model, our lab has shown that testosterone decreases preference for a large/uncertain reward in probability discounting. Other studies have shown that androgens decrease dopamine D1 and D2 receptors in the nucleus accumbens shell, a region important for decision-making behavior in probability discounting. Thus, we attempted to restore selection of the large/uncertain reward in testosterone-treated rats by administering the D2 receptor agonist quinpirole or the D1 receptor agonist SKF81297 and testing probability discounting...
December 14, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/29242633/sexual-function-in-women-with-polycystic-ovary-syndrome-and-their-hormonal-and-clinical-correlations
#5
Fatemeh Nasiri Amiri, Fahimeh Ramezani Tehrani, Sedighe Esmailzadeh, Maryam Tohidi, Fereidoun Azizi, Zahra Basirat
Polycystic ovary syndrome (PCOS) appears to be related to sexual dysfunction, especially if associated with obvious clinical and hormonal signs of hyperandrogenism. The objective of this study was to determine the correlation of PCOS and its hormonal and clinical parameters with sexual function. This prospective, cross-sectional study conducted on 18-45-year-old PCOS women (according to the Rotterdam criteria), who were referred to the Reproductive Endocrinology Research Center, Iran, was invited to participate from January 2012 to December 2015...
December 15, 2017: International Journal of Impotence Research
https://www.readbyqxmd.com/read/29241916/etiology-and-management-of-primary-amenorrhoea-a-study-of-102-cases-at-tertiary-centre
#6
Alka Kriplani, Manu Goyal, Garima Kachhawa, Reeta Mahey, Vidushi Kulshrestha
OBJECTIVE: To determine the prevalence of etiologic causes of primary amenorrhea in Indian population. MATERIALS AND METHODS: A retrospective study was performed using 102 complete medical records of women with primary amenorrhea who attended the Gynaecologic Endocrinology Clinic, Department of Obstetrics and Gynaecology, AIIMS, New Delhi from September 2012 to September 2015. Cases were analysed according to clinical profile, development of secondary sexual characteristics, physical examination, pelvic and rectal examination, X-ray of chest and lumbo-sacral spine, hormone profile, pelvic USG, MRI, and cytogenetic study including karyotype...
December 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29241313/hormonal-treatment-and-quality-of-life-of-prostate-cancer-patients-new-evidences
#7
Marcello Tucci, Gianmarco Leone, Consuelo Buttigliero, Clizia Zichi, Rosario F DI Stefano, Daniele Pignataro, Francesca Vignani, Giorgio V Scagliotti, Massimo DI Maio
Androgen deprivation therapy (ADT) is the mainstay of treatment of patients with relapsed or metastatic hormone-sensitive prostatic carcinoma. The dramatic reduction of serum testosterone levels induced by ADT produces multiple side effects as vasomotor flushing, sexual dysfunction, fatigue, impairment of cognitive function, reduced quality of sleep, gynecomastia and anemia, that are able to decrease health-related quality of life (QoL). In addition, hormonal therapy can interfere with bone metabolism and induce metabolic and cardiovascular complications...
December 14, 2017: Minerva Urologica e Nefrologica, the Italian Journal of Urology and Nephrology
https://www.readbyqxmd.com/read/29240541/surveillance-or-metastasis-directed-therapy-for-oligometastatic-prostate-cancer-recurrence-a-prospective-randomized-multicenter-phase-ii-trial
#8
Piet Ost, Dries Reynders, Karel Decaestecker, Valérie Fonteyne, Nicolaas Lumen, Aurélie De Bruycker, Bieke Lambert, Louke Delrue, Renée Bultijnck, Tom Claeys, Els Goetghebeur, Geert Villeirs, Kathia De Man, Filip Ameye, Ignace Billiet, Steven Joniau, Friedl Vanhaverbeke, Gert De Meerleer
Purpose Retrospective studies suggest that metastasis-directed therapy (MDT) for oligorecurrent prostate cancer (PCa) improves progression-free survival. We aimed to assess the benefit of MDT in a randomized phase II trial. Patients and Methods In this multicenter, randomized, phase II study, patients with asymptomatic PCa were eligible if they had had a biochemical recurrence after primary PCa treatment with curative intent, three or fewer extracranial metastatic lesions on choline positron emission tomography-computed tomography, and serum testosterone levels > 50 ng/mL...
December 14, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/29239100/insulin-like-growth-factor-2-expression-in-prostate-cancer-is-regulated-by-specific-promoter-methylation
#9
Stefan Küffer, Tobias Gutting, Djeda Belharazem, Christian Sauer, M S Michel, Alexander Marx, Lutz Trojan, Philipp Ströbel
Deregulation of the Insulin-like Growth Factor (IGF) axis and dysbalance of components of the IGF system as potential therapeutic targets have been described in different tumor types. IGF2 is a major embryonic growth factor and an important activator of IGF signaling. It is regulated by imprinting in a development- and tissue-dependent manner and has been implicated in a broad range of malignancies including prostate cancer (PCa). Loss of imprinting (LOI) usually results in bi-allelic gene expression and increased levels of IGF2...
December 14, 2017: Molecular Oncology
https://www.readbyqxmd.com/read/29238388/what-do-transgender-patients-teach-us-about-idiopathic-intracranial-hypertension
#10
Catherine Hornby, Susan P Mollan, James Mitchell, Keira Annie Markey, Andreas Yangou, Ben L C Wright, Michael W O'Reilly, Alexandra J Sinclair
Idiopathic intracranial hypertension (IIH), a condition of raised intracranial pressure, is characterised by headaches and visual disturbances. Its pathogenesis is currently unknown; however, dysregulation of androgens may be implicated. Here, the authors present a case of a 22-year-old patient undergoing female-to-male (FTM) gender reassignment who developed IIH shortly after commencing testosterone therapy. This interesting case presents the possibility of androgens having a pathogenic role in IIH.
2017: Neuro-ophthalmology
https://www.readbyqxmd.com/read/29237712/receptor-activities-of-persistent-pollutant-serum-mixtures-and-breast-cancer-risk
#11
Maria Wielsøe, Christian Bjerregaard-Olesen, Peder Kern, Eva Cecilie Bonefeld-Jørgensen
Studies on associations between persistent organic pollutants (POPs) and breast cancer risk are inconclusive. The majority of studies have evaluated the effect of single compounds, without considering multiple exposures to and interactions between different POPs. The present study aimed at evaluating breast cancer risk related to combined effects of serum POP mixtures on cellular receptor functions. Data on breast cancer cases (n=77) and controls (n=84) was collected among Greenlandic Inuit women. Serum mixtures of lipophilic POPs (lipPOPs), perfluoroalkyl acids (PFAAs), and dioxin-like POPs were extracted...
December 13, 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/29237379/male-urogen%C3%A4-tal-d%C3%A4-sorders-and-metabol%C3%A4-c-syndrome-poss%C3%A4-ble-l%C3%A4-nks-character%C3%A4-st%C3%A4-cs-and-potent%C3%A4-al-treatment-strateg%C3%A4-es
#12
Cetin Volkan Oztekin, Ecem Kaya, Didem Yilmaz-Oral, Serap Gur
BACKGROUND: Metabolic syndrome (MetS), as a cluster of metabolic derangements which is major risk factors for vascular disease, is one of the most important threats to public health. Although the epidemiological and limited amount of basic science and clinical evidence link MetS to several male urogenital disorders, a holistic approach aiming to define common mechanistic pathways and new possible therapeutic targets are lacking. OBJECTIVE: The current review has focused on providing scientific evidence on the role of MetS and its components on male urogenital disorders and the definition of new therapeutic targets...
December 12, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/29237348/developmental-programming-impact-of-prenatal-testosterone-excess-on-steroidal-machinery-and-cell-differentiation-markers-in-visceral-adipocytes-of-female-sheep
#13
Muraly Puttabyatappa, Chunxia Lu, Jacob D Martin, Gregorio Chazenbalk, Daniel Dumesic, Vasantha Padmanabhan
Prenatal testosterone (T)-treated female sheep manifest reduced adipocyte size and peripheral insulin resistance. The small adipocyte phenotype may reflect defects in adipogenesis and its steroidal machinery. To test whether prenatal T treatment from gestational days 30 to 90 alters the visceral adipose tissue (VAT) steroidal machinery and reduces adipocyte differentiation, we examined expression of the steroidogenic enzymes, steroid receptors, and adipocyte differentiation markers at fetal day 90 and postnatal ages 10 and 21 months...
January 1, 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/29237170/functional-impact-of-novel-androgen-receptor-mutations-on-the-clinical-manifestation-of-androgen-insensitivity-syndrome
#14
Reginaldo J Petroli, Olaf Hiort, Dagmar Struve, Julia K Gesing, Fernanda C Soardi, Angela M Spínola-Castro, Karla Melo, Ivo J Prado Arnhold, Andréa T Maciel-Guerra, Gil Guerra-Junior, Ralf Werner, Maricilda P de Mello
Androgens are responsible for the development and maintenance of male sex characteristics. Dysfunctions in androgen action due to mutations in the androgen receptor gene (AR) can lead to androgen insensitivity syndrome (AIS) that can be classified as mild (MAIS), partial (PAIS), or complete (CAIS). We have analyzed functional effects of p.Ser760Thr, p.Leu831Phe, p.Ile899Phe, p.Leu769Val, and p.Pro905Arg mutations and the combination p.Gln799Glu + p.Cys807Phe that were identified in patients with PAIS or CAIS...
December 14, 2017: Sexual Development: Genetics, Molecular Biology, Evolution, Endocrinology, Embryology, and Pathology of Sex Determination and Differentiation
https://www.readbyqxmd.com/read/29237093/serum-androgens-and-psa-levels-in-androgenetic-alopecia-is-there-a-difference-between-frontal-and-vertex-baldness
#15
Anna Lis-Święty, Hubert Arasiewicz, Irmina Ranosz-Janicka, Ligia Brzezińska-Wcisło
BACKGROUND: Androgenetic alopecia (AGA) seems to be a marker of increased risk of prostate cancer (PCa). OBJECTIVE: We sought to investigate potential pathophysiological differences between frontal and vertex balding that might have the impact on the incidence of PCa. METHODS: Serum concentrations of testosterone (T), dihydrotestosterone (DHT) and prostate-specific antigen (PSA) were measured in 88 subjects with AGA. RESULTS: We have examined sixty patients with frontal baldness and 28 patients with vertex baldness...
December 13, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/29235134/sex-hormone-binding-globulin-is-associated-with-androgen-deficiency-features-independently-of-total-testosterone
#16
Giulia Rastrelli, Giovanni Corona, Sarah Cipriani, Edoardo Mannucci, Mario Maggi
OBJECTIVE: It is recognized that total testosterone (TT) does not sufficiently describe androgen status when sex hormone binding globulin (SHBG) is altered. However, in humans, evidence supporting the existence of a hypogonadism due to low T bioactivity is scanty. The aim of the study was to assess whether changes in SHBG levels, independently of TT, are associated with subjective and objective androgen dependent parameters. DESIGN: Cross-sectional observation. PATIENTS: 2622 men (aged 51...
December 13, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/29234538/can-androgen-deprivation-therapy-obviate-the-need-of-channel-transurethral-resection-of-the-prostate-in-advanced-prostate-cancer-with-urinary-retention-a-prospective-study
#17
Rajeev Sood, Ritesh Kumar Singh, Hemant Goel, T Manasa, Nikhil Khattar, Mahesh C Tripathi
Objective: To evaluate the efficacy of androgen-deprivation therapy (ADT) in relieving urinary retention in patients with advanced prostate cancer presenting with urinary retention or a high post-void residual urine volume (PVR). Patients and methods: Patients with advanced prostate cancer with an indwelling catheter for acute/chronic urinary retention, or with a high PVR (>200 mL) who had not received any previous treatment were included in the study. Patients with localised prostate cancer eligible for receiving any therapy aimed at cure were excluded...
December 2017: Arab Journal of Urology
https://www.readbyqxmd.com/read/29233929/single-cell-rna-seq-reveals-a-subpopulation-of-prostate-cancer-cells-with-enhanced-cell-cycle-related-transcription-and-attenuated-androgen-response
#18
Aaron M Horning, Yao Wang, Che-Kuang Lin, Anna D Louie, Rohit R Jadhav, Chia-Nung Hung, Chiou-Miin Wang, Chun-Lin Lin, Nameer B Kirma, Michael A Liss, Addanki P Kumar, LuZhe Sun, Zhijie Liu, Wei-Ting Chao, Qianben Wang, Victor X Jin, Chun-Liang Chen, Tim H-M Huang
Increasing evidence suggests the presence of minor cell subpopulations in prostate cancer that are androgen independent and poised for selection as dominant clones after androgen-deprivation therapy. In this study, we investigated this phenomenon by stratifying cell subpopulations based on transcriptome profiling of 144 single LNCaP prostate cancer cells treated or untreated with androgen after cell cycle synchronization. Model-based clustering of 397 differentially expressed genes identified eight potential subpopulations of LNCaP cells, revealing a previously unappreciable level of cellular heterogeneity to androgen stimulation...
December 12, 2017: Cancer Research
https://www.readbyqxmd.com/read/29233731/do-different-diagnostic-criteria-cause-impact-polycystic-ovary-syndrome-diagnosis-for-adolescents
#19
Sinem Akgül, Yasemin Düzçeker, Nuray Kanbur, Orhan Derman
OBJECTIVE: While early diagnosis of polycystic ovary syndrome (PCOS) in adolescents may allow for earlier treatment and prevention of chronic disorders, incorrect or premature diagnosis carries risks of unnecessary treatment and psychological distress. There is no consensus concerning which diagnostic criteria to use for adolescents and current criteria vary. The objective of this study was to determine whether using different diagnostic criteria will affect PCOS diagnosis in adolescents...
December 9, 2017: Journal of Pediatric and Adolescent Gynecology
https://www.readbyqxmd.com/read/29233558/combined-androgen-blockade-for-salivary-gland-carcinoma
#20
Elizabeth Gourd
No abstract text is available yet for this article.
December 7, 2017: Lancet Oncology
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