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https://www.readbyqxmd.com/read/29318656/circadian-genes-and-risk-of-prostate-cancer-in-the-prostate-cancer-prevention-trial
#1
Lisa W Chu, Cathee Till, Baiyu Yang, Catherine M Tangen, Phyllis J Goodman, Kai Yu, Yong Zhu, Summer Han, Ashraful M Hoque, Christine Ambrosone, Ian Thompson, Robin Leach, Ann W Hsing
Circadian genes have been considered as a possible biological mechanism for the observed relationship between circadian rhythm disruptions and increased risk of hormone-related cancers. In the current study, we investigated the relationship between circadian gene variants and prostate cancer risk and whether reducing bioavailable testosterone modifies the circadian genes-prostate cancer relationship. We conducted a nested case-control study among Caucasian men in the Prostate Cancer Prevention Trial (PCPT), a randomized placebo-controlled clinical trial to assess if finasteride (an androgen bioactivation inhibitor) could prevent prostate cancer...
January 10, 2018: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/29306775/longitudinal-change-instead-of-baseline-testosterone-predicts-depressive-symptoms
#2
Hanna Kische, Lars Pieper, John Venz, Jens Klotsche, Winfried März, Uwe Koch-Gromus, David Pittrow, Hendrik Lehnert, Sigmund Silber, G K Stalla, Andreas M Zeiher, Hans-Ulrich Wittchen, Robin Haring
BACKGROUND: The association between total testosterone (T) and depression mostly relies on single sex hormone assessment and remains inconclusive. Thus, we investigated the comparative predictive performance of baseline T and change in T with development of depressive symptoms and incident depressive episodes. METHODS: We used data from 6493 primary care patients (2653 men and 3840 women) of the DETECT study (Diabetes Cardiovascular Risk-Evaluation: Targets and Essential Data for Commitment of Treatment), including four-year follow-up, repeated immunoassay-based measurement of serum T and depressive symptoms assessed by the Depression Screening Questionnaire (DSQ)...
December 21, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29299890/comparison-of-the-effects-of-clofibrate-and-silafibrate-on-sperm-parameters-quality-and-sex-hormones-in-male-rats
#3
Masoud Delashoub, Mojtaba Ziaee, Arash Khorrami, Seyed Mahdi Banan-Khojasteh
PURPOSE: Fibrates are drugs widely used for the treatment of hyperlipidemic disorders. Previous studies on a novel analogue of clofibrate, called silafibrate, have shown good lipid lowering effects. This study was designed to assess the role of silafibrate as a peroxisome proliferator-activated receptors (PPARs) agonist on sperm health and spermatogenesis in adult male rats. MATERIAL AND METHODS: Seventy male Wistar rats were randomly allocated into 7 groups: Cl-10, Cl-20, and Cl-40 mg/kg/day (clofibrate); Si-10, Si-20, and Si-40 mg/kg/day (silafibrate); and C, control...
January 3, 2018: Urology Journal
https://www.readbyqxmd.com/read/29289554/efficacy-and-safety-of-on-demand-use-of-2-treatments-designed-for-different-etiologies-of-female-sexual-interest-arousal-disorder-3-randomized-clinical-trials
#4
Adriaan Tuiten, Kim van Rooij, Jos Bloemers, Christoph Eisenegger, Jack van Honk, Rob Kessels, Sheryl Kingsberg, Leonard R Derogatis, Leo de Leede, Jeroen Gerritsen, Hans P F Koppeschaar, Berend Olivier, Walter Everaerd, Henderik W Frijlink, Daniël Höhle, Robert P J de Lange, Koen B E Böcker, James G Pfaus
BACKGROUND: In women, low sexual desire and/or sexual arousal can lead to sexual dissatisfaction and emotional distress, collectively defined as female sexual interest/arousal disorder (FSIAD). Few pharmaceutical treatment options are currently available. AIM: To investigate the efficacy and safety of 2 novel on-demand pharmacologic treatments that have been designed to treat 2 FSIAD subgroups (women with low sensitivity for sexual cues and women with dysfunctional over-activation of sexual inhibition) using a personalized medicine approach using an allocation formula based on genetic, hormonal, and psychological variables developed to predict drug efficacy in the subgroups...
December 27, 2017: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/29258367/evaluation-of-prolonged-use-of-statins-on-the-clinical-and-biochemical-abnormalities-and-ovulation-dysfunction-in-single-young-women-with-polycystic-ovary-syndrome
#5
Emaduldin Seyam, Saad Al Gelany, Ahmed Abd Al Ghaney, Marwa Abd Allah Mohamed, Ayman Moheb Youseff, Emad Moussa Ibrahim, Eissa M Khalifa, Enas Hefzy
OBJECTIVE: The aim of the current work was to investigate the effects of prolonged use of Statins on the clinical and biochemical abnormalities and ovulation dysfunction in young single women with polycystic ovary syndrome (PCOS). PATIENTS AND METHODS: It was a randomized, double-blind, placebo-controlled study. Where 200 single young women with PCOS were randomized into either 100 (n = 100) women using Simvastatin 20 mg daily considered as group A (study group), or 100 (n = 100) women using placebo and considered as group B (control group), for six months treatment period...
December 19, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/29248236/bipolar-androgen-therapy-in-men-with-metastatic-castration-resistant-prostate-cancer-after-progression-on-enzalutamide-an-open-label-phase-2-multicohort-study
#6
Benjamin A Teply, Hao Wang, Brandon Luber, Rana Sullivan, Irina Rifkind, Ashley Bruns, Avery Spitz, Morgan DeCarli, Victoria Sinibaldi, Caroline F Pratz, Changxue Lu, John L Silberstein, Jun Luo, Michael T Schweizer, Charles G Drake, Michael A Carducci, Channing J Paller, Emmanuel S Antonarakis, Mario A Eisenberger, Samuel R Denmeade
BACKGROUND: Prostate cancer that progresses after enzalutamide treatment is poorly responsive to further antiandrogen therapy, and paradoxically, rapid cycling between high and low serum testosterone concentrations (bipolar androgen therapy [BAT]) in this setting might induce tumour responses. We aimed to evaluate BAT in patients with metastatic castration-resistant prostate cancer that progressed after enzalutamide. METHODS: We did this single-centre, open-label, phase 2, multicohort study in the USA...
December 13, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/29242704/effects-of-prolonged-treatment-with-co-trimoxazole-on-the-thyroid-gland-liver-and-epididymal-sperm-reserve-in-dogs
#7
Davinson C Anyogu, Vincent So Shoyinka, John I Ihedioha
Co-trimoxazole is an antimicrobial drug gotten from potentiation of sulfamethoxazole with trimethoprim. It is widely used for the treatment of bacterial and protozoan infections in humans. It is also used in veterinary clinics against susceptible microorganisms, but thyroid dysfunction has raised concern especially in dogs. This study aimed to determine the effects of prolonged treatment with co-trimoxazole in euthyroid dogs. Dogs were given co-trimoxazole at 30, 60, and 120 mg/kg body weight at 12-hour intervals for 21 days...
2017: Clinical Medicine Insights. Pathology
https://www.readbyqxmd.com/read/29237932/current-progress-and-controversies-in-prostate-cancer-management
#8
REVIEW
De-Xin Dong, Zhi-Gang Ji
OBJECTIVE: The optimal management strategy for prostate cancer (PCa) remains controversial. We performed a systemic review of current progress and controversies regarding the diagnosis and treatment of PCa. DATA SOURCES: We searched PubMed for recently published articles up to July 2017 using the following key words: "prostate cancer," "progress," "controversy," "immunotherapy," and "prevention." STUDY SELECTION: Articles were obtained and reviewed to provide a systematic review of the current progress and controversies regarding PCa management...
December 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/29236646/evaluation-of-bone-mineral-density-bmd-and-indicators-of-bone-turnover-in-patients-with-hemophilia
#9
Mehmet Dagli, Ali Kutlucan, Sedat Abusoglu, Abdulkadir Basturk, Mehmet Sozen, Leyla Kutlucan, Ali Unlu, Farise Yilmaz
A decrease in bone mass is observed in hemophilic patients. The aim of this study was to evaluate bone mineral density (BMD), parathyroid hormone (PTH), 25-hydroxy vitamin D (vitamin D), and a bone formation and resorption marker, procollagen type I N-terminal propeptide (PINP) and urinary N-terminal telopeptide (uNTX) respectively, in hemophilic patients and healthy controls. Laboratory parameters related to the pathogenesis of bone loss such as neutrophil-lymphocyte ratio (NLR) and platelet-lymphocyte ratio (PLR) were also evaluated...
December 13, 2017: Bosnian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/29235134/sex-hormone-binding-globulin-is-associated-with-androgen-deficiency-features-independently-of-total-testosterone
#10
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/29232631/ambiguous-genitalia-a-social-dilemma-in-bangladesh-a-case-report
#11
Mohiuddin Ahsanul Kabir Chowdhury, Rashidul Anwar, Arnab Saha
INTRODUCTION: Ambiguous Genitalia is a form of birth defect in which sex of the newborn cannot be readily distinguishable because of atypical appearance of the external genitalia. CASE REPORT-CLINICAL FINDINGS: The patient, an 8 months old baby, was identified as a female baby since birth; but, some senior members of their neighborhood raised confusion regarding sex differentiation of the child. On examination, there was enlarged clitoris or micropenis, bifid scrotum or labioscrotal fold, and separate presence of urethral and vaginal orifices...
December 8, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29225554/recent-developments-in-psychopharmaceutical-approaches-to-treating-female-sexual-interest-and-arousal-disorder
#12
REVIEW
Stephanie Both
Purpose of Review: This review summarizes the recent literature and empirical studies on psychopharmacological approaches to treating female sexual interest/arousal disorder (FSIAD). Recent Findings: Several new drugs for FSIAD that are intended to increase sexual responsiveness by influencing central excitatory and inhibitory neuromodulatory processes are under development. Studies on flibanserin resulted in the first approved medication for the treatment of low sexual desire in premenopausal women...
2017: Current Sexual Health Reports
https://www.readbyqxmd.com/read/29214023/assessment-and-clinical-management-of-bone-disease-in-adults-with-eating-disorders-a-review
#13
REVIEW
Anne Drabkin, Micol S Rothman, Elizabeth Wassenaar, Margherita Mascolo, Philip S Mehler
Aim: To review current medical literature regarding the causes and clinical management options for low bone mineral density (BMD) in adult patients with eating disorders. Background: Low bone mineral density is a common complication of eating disorders with potentially lifelong debilitating consequences. Definitive, rigorous guidelines for screening, prevention and management are lacking. This article intends to provide a review of the literature to date and current options for prevention and treatment...
2017: Journal of Eating Disorders
https://www.readbyqxmd.com/read/29210989/supraphysiologic-testosterone-therapy-in-the-treatment-of-prostate-cancer-models-mechanisms-and-questions
#14
REVIEW
Osama S Mohammad, Michael D Nyquist, Michael T Schweizer, Stephen P Balk, Eva Corey, Stephen Plymate, Peter S Nelson, Elahe A Mostaghel
Since Huggins defined the androgen-sensitive nature of prostate cancer (PCa), suppression of systemic testosterone (T) has remained the most effective initial therapy for advanced disease although progression inevitably occurs. From the inception of clinical efforts to suppress androgen receptor (AR) signaling by reducing AR ligands, it was also recognized that administration of T in men with castration-resistant prostate cancer (CRPC) could result in substantial clinical responses. Data from preclinical models have reproducibly shown biphasic responses to T administration, with proliferation at low androgen concentrations and growth inhibition at supraphysiological T concentrations...
December 6, 2017: Cancers
https://www.readbyqxmd.com/read/29207507/zinc-ameliorate-oxidative-stress-and-hormonal-disturbance-induced-by-methomyl-abamectin-and-their-mixture-in-male-rats
#15
Sameeh A Mansour, Mostafa A Abbassy, Hassan A Shaldam
Exposure to mixtures of toxicants (e.g., pesticides) is common in real life and a subject of current concern. The present investigation was undertaken to assess some toxicological effects in male rats following exposure to methomyl (MET), abamectin (ABM), and their combination (MET+ABM), and to evaluate the ameliorative effect of zinc co-administration. Three groups of rats were designated for MET, ABM, and the mixture treatments. Three other groups were designated for zinc in conjunction with the pesticides...
December 3, 2017: Toxics
https://www.readbyqxmd.com/read/29204279/sellar-plasmacytoma-presenting-with-symptoms-of-anterior-pituitary-dysfunction
#16
Ana G Ferreira, Tiago N Silva, Henrique V Luiz, Filipa D Campos, Maria C Cordeiro, Jorge R Portugal
Sellar plasmacytomas are rare and the differential diagnosis with non-functioning pituitary adenomas might be difficult because of clinical and radiological resemblance. They usually present with neurological signs and intact anterior pituitary function. Some may already have or eventually progress to multiple myeloma. We describe a case associated with extensive anterior pituitary involvement, which is a rare form of presentation. A 68-year-old man was referred to our Endocrinology outpatient clinic due to gynecomastia, reduced libido and sexual impotence...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/29195019/is-immunosuppression-induced-by-neonatal-thymectomy-compatible-with-poor-reproductive-performance-in-adult-male-rats
#17
M M Ommati, N Tanideh, B Rezakhaniha, J Wang, S Sabouri, M Vahedi, B Dormanesh, O Koohi Hosseinabadi, F Rahmanifar, S Moosapour, A Akhlaghi, R Heidari, M J Zamiri
With increasing knowledge that the immune system has a major impact on reproductive ‎health, the potential for cells arising in organs such as the thymus to alleviate oxidative stress ‎has been revealed. This study addresses the impact of neonatal thymectomy on male ‎reproductive function in pubertal and adult animals. Neonatal Sprague Dawley rats were allotted to four treatments consisting of fully thymectomized, partially thymectomized, intact, and sham-operated rats. Half of the rats in each treatment were sacrificed at 40 and the other half at 80 days of age...
January 2018: Andrology
https://www.readbyqxmd.com/read/29190387/chronic-hyperandrogenemia-in-the-presence-and-absence-of-a-western-style-diet-impairs-ovarian-and-uterine-structure-function-in-young-adult-rhesus-monkeys
#18
Cecily V Bishop, Emily C Mishler, Diana L Takahashi, Taylor E Reiter, Kise R Bond, Cadence A True, Ov D Slayden, Richard L Stouffer
STUDY QUESTION: Does chronic hyperandrogenemia beginning at menarche, in the absence and presence of a western-style diet (WSD), alter ovarian and uterine structure-function in young adult rhesus monkeys? SUMMARY ANSWER: Phenotypic alterations in ovarian and uterine structure/function were induced by exogenous testosterone (T), and compounded in the presence of a WSD (T+WSD). WHAT IS KNOWN ALREADY: Hyperandrogenemia is a well-established component of PCOS and is observed in adolescent girls, indicating a potential pubertal onset of disease symptoms...
November 28, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29185104/5%C3%AE-reductase-isozymes-and-aromatase-mrna-levels-in-plucked-hair-from-young-women-with-female-pattern-hair-loss
#19
P Sánchez, C Serrano-Falcón, J M Torres, S Serrano, E Ortega
Female pattern hair loss (FPHL) is an important hair disorder, especially when young women are affected. However, pharmacological treatments are not successful in all women. Androgens, especially dihydrotestosterone (DHT), may play a role in FPHL, but many women with this disorder have normal serum androgen levels. It therefore appears that hair follicle levels of DHT depend on in situ testosterone (T) metabolism. Because T can be converted to DHT or estradiol (E2) by 5α-reductase (5α-R) and aromatase, respectively, these enzymes would determine DHT and E2 concentrations and their ratio...
November 28, 2017: Archives of Dermatological Research
https://www.readbyqxmd.com/read/29184794/should-we-expand-the-indications-for-varicocele-treatment
#20
REVIEW
Ioannis Vakalopoulos, Spyridon Kampantais, Stefania Lymperi, Nikolaos Grivas, Anastasios Ioannidis, Ioannis Mykoniatis, Vassilios Nikolaou, Georgios Dimitriadis
Current guidelines suggest that treatment of varicocele should be considered in patients with clinically palpable disease and abnormal semen parameters. However, the clinicians are often challenged with the decision whether to treat varicocele in patients with testicular pain or low testosterone levels. Moreover, varicocele is highly associated with DNA fragmentation due to the oxidative stress and it has been demonstrated that surgical repair of varicocele ameliorates oxidative stress markers and consequently the sperm DNA integrity...
October 2017: Translational Andrology and Urology
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