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https://www.readbyqxmd.com/read/29789599/exercise-activates-the-pi3k-akt-signal-pathway-by-decreasing-the-expression-of-5%C3%AE-reductase-type-1-in-pcos-rats
#1
Chuyan Wu, Feng Jiang, Ke Wei, Zhongli Jiang
Hyperandrogenism and hyperinsulinemia are main clinical endocrine features of PCOS. Exercise can adjust the androgen level, as well as increase the sensitivity of insulin by activating PI3K-Akt insulin signaling pathways. 5αR1 has certain effects on insulin resistance and can synthesize dihydrotestosterone by metabolizing testosterone. So 5αR1 may be the target of androgen and insulin for exercise-induced regulation. To investigate the role of 5αR1 in the PI3K-Akt signaling pathway in skeletal muscle of PCOS rats activated by exercise, fifty-four female rats were randomly divided into the PCOS group (n = 42) and the control group(n = 12)...
May 22, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29755912/scrotal-rejuvenation
#2
REVIEW
Philip R Cohen
Genital rejuvenation is applicable not only to women (vaginal rejuvenation) but also to men (scrotal rejuvenation). There is an increased awareness, reflected by the number of published medical papers, of vaginal rejuvenation; however, rejuvenation of the scrotum has not received similar attention in the medical literature. Scrotal rejuvenation includes treatment of hair-associated scrotal changes (alopecia and hypertrichosis), morphology-associated scrotal changes (wrinkling and laxity), and vascular-associated scrotal changes (angiokeratomas)...
March 13, 2018: Curēus
https://www.readbyqxmd.com/read/29574572/drug-treatment-for-androgenetic-alopecia-first-italian-questionnaire-survey-on-what-dermatologists-think-about-finasteride
#3
Elisabetta Sorbellini, Daniela Pinto, Barbara Marzani, Fabio Rinaldi
INTRODUCTION: Treatment with finasteride 1 mg/day represents the therapy of choice for androgenetic alopecia (AGA). We investigated how Italian dermatologists approach use of finasteride for treatment of AGA and common side effects reported by patients. METHODS: A tablet-based survey was conducted from February 2017 to January 2018 in Italy to investigating use of 1 mg/day finasteride in the treatment of AGA. Approximately 1153 Italian dermatologists were surveyed about prescription frequency, therapy duration, treatment practices, and side effects eventually reported...
March 24, 2018: Dermatology and Therapy
https://www.readbyqxmd.com/read/29403190/a-pilot-study-to-evaluate-effectiveness-of-botulinum-toxin-in-treatment-of-androgenetic-alopecia-in-males
#4
Sehdev Singh, Shekhar Neema, Biju Vasudevan
Introduction: Androgenetic alopecia is a common form of alopecia with multifactorial etiology. Finasteride and minoxidil are approved by the FDA for the treatment of androgenetic alopecia. Balding scalp is believed to have relative microvascular insufficiency. Blood vessels in the scalp travel through the intramuscular plane. Intramuscular injection of botulinum toxin relaxes muscles and thereby increases blood flow in balding scalp. We conducted a pilot study to evaluate the efficacy of botulinum toxin in androgenetic alopecia management...
July 2017: Journal of Cutaneous and Aesthetic Surgery
https://www.readbyqxmd.com/read/29368380/risk-of-rhabdomyolysis-from-5-%C3%AE-reductase-inhibitors
#5
Blayne Welk, Eric McArthur, Michael Ordon, Jade Dirk, Stephanie Dixon, Amit X Garg
PURPOSE: A recent regulatory warning and case reports have described the development of muscle complications with the use of 5-α reductase inhibitors (5ARIs). We wished to determine if there was a link between rhabdomyolysis and 5ARI usage. METHODS: We used a matched cohort design and linked administrative data from the province of Ontario, Canada, to investigate the risk of rhabdomyolysis in men using either finasteride or dutasteride. A total of 99 covariates were measured...
January 25, 2018: Pharmacoepidemiology and Drug Safety
https://www.readbyqxmd.com/read/29224108/negative-impact-of-testosterone-deficiency-and-5%C3%AE-reductase-inhibitors-therapy-on-metabolic-and-sexual-function-in-men
#6
Abdulmaged M Traish
Androgens are steroid hormones with pleotropic and diverse biochemical and physiological functions, and androgen deficiency exerts a negative impact on human health. Testosterone (T) either directly or via its transformation into the more potent metabolite 5α-dihydrotestosterone (5α-DHT) or via aromatization into estradiol (E2 ) modulates important biochemical signaling pathways of human physiology and plays a critical role in the growth and/or maintenance of functions in a host of tissues and organs. T and 5α-DHT play an important role in regulating physiology of the muscle, adipose tissue, liver, bone, and central nervous system, as well as reproductive and sexual functions...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29152074/vanillic-acid-attenuates-testosterone-induced-benign-prostatic-hyperplasia-in-rats-and-inhibits-proliferation-of-prostatic-epithelial-cells
#7
Yunu Jung, Jinbong Park, Hye-Lin Kim, Dong-Hyun Youn, JongWook Kang, Seona Lim, Mi-Young Jeong, Gautam Sethi, Sung-Joo Park, Kwang Seok Ahn, Jae-Young Um
Benign prostatic hyperplasia (BPH) is a common disease in the male population, especially in elderly men. Vanillic acid (VA), a dihydroxybenzoic derivative used as a flavoring agent, is reported to have an anti-inflammatory effect. However, there are no reports of its effects on BPH to date. BPH was induced with a pre-4-week treatment of daily subcutaneous injections of testosterone propionate (TP), and the normal control group received injections of ethanol with corn oil instead. Six weeks of further injections were done with (a) ethanol with corn oil, (b) TP only, (c) TP + finasteride, and (d) TP + VA...
October 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/28407365/role-of-allopregnanolone-biosynthesis-in-acute-stress-induced-anxiety-like-behaviors-in-mice
#8
Kazumi Yoshizawa, Ayano Okumura, Kozue Nakashima, Tomoyo Sato, Tatsuya Higashi
The neurosteroid allopregnanolone (3α, 5α-tetra-hydroprogesterone: ALLO) elicits anxiolytic, anticonvulsant, and hypnotic anesthetic effects in vivo similar to those induced by other positive allosteric modulators of the GABAA receptor. Endogenous ALLO has been shown to be rapidly elevated in the brain by acute stress paradigms, such as immobilization, in animal models. The present study was designed to ascertain the role of neurosteroid biosynthesis in the anxiety-like behavior induced by immobilization stress...
August 2017: Synapse
https://www.readbyqxmd.com/read/28391389/combination-therapy-with-omega-3-fatty-acids-plus-tamsulocin-and-finasteride-in-the-treatment-of-men-with-lower-urinary-tract-symptoms-luts-and-benign-prostatic-hyperplasia-bph
#9
Alireza Ghadian, Mehran Rezaei
PURPOSE: Inflammation and Cyclooxygenase-2 (COX-2) as a part of it are common in BPH specimens and may play a role in the pathogenesis of the disease through cytokines that promote cell growth or lead to smooth muscle contraction. The aim of this study is to analyze whether combination therapy with omega-3 fatty acids, which have anti-inflammatory and COX-2 inhibitory effects, and tamsulocin plus finasteride offers an advantage compared to tamsulocin plus finasteride therapy in patients with BPH...
August 2017: Inflammopharmacology
https://www.readbyqxmd.com/read/28338402/testosterone-plus-finasteride-prevents-bone-loss-without-prostate-growth-in-a-rodent-spinal-cord-injury-model
#10
Joshua F Yarrow, Ean G Phillips, Christine F Conover, Taylor E Bassett, Cong Chen, Tyler Teurlings, Andrea Vasconez, Jonathan Alerte, Hannah Prock, Jessica M Jiron, Micah Flores, J Ignacio Aguirre, Stephen E Borst, Fan Ye
We have reported that testosterone-enanthate (TE) prevents the musculoskeletal decline occurring acutely after spinal cord injury (SCI), but results in a near doubling of prostate mass. Our purpose was to test the hypothesis that administration of TE plus finasteride (FIN; type II 5α-reductase inhibitor) would prevent the chronic musculoskeletal deficits in our rodent severe contusion SCI model, without inducing prostate enlargement. Forty-three 16-week-old male Sprague-Dawley rats received: 1) SHAM surgery (T9 laminectomy); 2) severe (250 kdyne) contusion SCI; 3) SCI+TE (7...
November 1, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28024997/androgen-receptor-ar-gene-cag-n-and-ggn-n-length-polymorphisms-and-symptoms-in-young-males-with-long-lasting-adverse-effects-after-finasteride-use-against-androgenic-alopecia
#11
Sabina Cauci, Giovanni Chiriacò, Erika Cecchin, Giuseppe Toffoli, Serena Xodo, Giuseppe Stinco, Carlo Trombetta
INTRODUCTION: Long-term adverse symptoms of men who used oral finasteride against androgenic alopecia have been recently described as post-finasteride syndrome (PFS). AIM: To determine whether (CAG)n-rs4045402 and (GGN)n-rs3138869 polymorphisms in the androgen receptor (AR) gene are implicated in PFS. METHODS: AR polymorphisms were studied according to PFS symptoms in 66 white participants (31.8% Italian, 28.8% American, and 39.4% other). MAIN OUTCOME MEASURES: Symptoms were investigated by an ad hoc 100-item questionnaire and the Arizona Sexual Experience Scale and Aging Male Symptom Scale (AMS)...
March 2017: Sexual Medicine
https://www.readbyqxmd.com/read/27812496/reversible-exacerbation-of-obstructive-sleep-apnea-by-%C3%AE-1-adrenergic-blockade-with-tamsulosin-a-case-report
#12
Mark Moran
Obstructive sleep apnea (OSA) is characterized by repeated involuntary closure of the pharyngeal airspace during sleep. Normal activity of the genioglossus (GG) muscle is important in maintaining airway patency, and inhibition of GG activity can contribute to airway closure. Neurons in the hypoglossal motor nucleus (HMN) regulate GG activity. Adrenergic tone is an important regulator of HMN neuronal excitability. In laboratory models α1-adrenergic antagonists inhibit HMN neurons and GG activity, suggesting that α1-adrenergic antagonism might adversely affect patients with OSA...
2016: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/27529214/apoptotic-pathways-linked-to-endocrine-system-as-potential-therapeutic-targets-for-benign-prostatic-hyperplasia
#13
REVIEW
Letteria Minutoli, Mariagrazia Rinaldi, Herbert Marini, Natasha Irrera, Giovanni Crea, Cesare Lorenzini, Domenico Puzzolo, Andrea Valenti, Antonina Pisani, Elena B Adamo, Domenica Altavilla, Francesco Squadrito, Antonio Micali
Benign prostatic hyperplasia (BPH) is a chronic condition common in older men that can result in bothersome lower urinary tract symptoms. The molecular mechanisms and networks underlying the development and the progression of the disease are still far from being fully understood. BPH results from smooth muscle cell and epithelial cell proliferation, primarily within the transition zone of the prostate. Apoptosis and inflammation play important roles in the control of cell growth and in the maintenance of tissue homeostasis...
August 11, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/26763726/an-observational-retrospective-evaluation-of-79-young-men-with-long-term-adverse-effects-after-use-of-finasteride-against-androgenetic-alopecia
#14
G Chiriacò, S Cauci, G Mazzon, C Trombetta
Concern regarding adverse effects of finasteride is increasing. We aimed to determine the type and frequency of symptoms in men having long-term sexual and non-sexual side effects after finasteride treatment (a condition recently called post-finasteride syndrome, PFS) against androgenetic alopecia (AGA). Subjects were recruited at the Urology Unit of the Trieste University-Hospital, and from a dedicated website. Out of 79 participants, 34% were white Italians, mean age was 33.4 ± 7.60 years, mean duration of finasteride use was 27...
March 2016: Andrology
https://www.readbyqxmd.com/read/26491599/urinary-incontinence-due-to-overactive-detrusor-muscle-a-rare-side-effect-of-venlafaxine
#15
Vithyalakshmi Selvaraj, Palanikumar Gunasekar, Suneel Kumar, Imad Alsakaf
We report a case of reemergence of urinary incontinence (UI) in a patient with benign prostatic hyperplasia (BPH) after starting treatment with venlafaxine who was stabilized on tamsulosin and finasteride for about 6 years. A 66-year-old Caucasian male with prior history of major depressive disorder developed UI within a week of starting venlafaxine 75 mg per day. He described symptoms in the form of involuntary leakage of urine both during the day and at night. His symptoms of UI resolved after stopping the venlafaxine...
2015: Case Reports in Urology
https://www.readbyqxmd.com/read/25871957/safety-concerns-regarding-5%C3%AE-reductase-inhibitors-for-the-treatment-of-androgenetic-alopecia
#16
REVIEW
Michael S Irwig
PURPOSE OF REVIEW: To examine the clinical and basic studies regarding persistent adverse effects associated with 5α reductase inhibitor treatment for androgenetic alopecia. RECENT FINDINGS: Recent postmarketing reports and a US Food and Drug Administration analysis have documented uncommon persistent sexual and nonsexual side-effects in a subset of younger men who have taken finasteride 1 mg for androgenic alopecia. While the mechanisms of the sexual side-effects in humans is incompletely understood, one study found lower cerebrospinal fluid concentrations of dihydrotestosterone, progesterone, dihydroprogesterone and allopregnanolone, and higher levels of testosterone, 5α-androstane-3α,17β-diol and pregnenolone...
June 2015: Current Opinion in Endocrinology, Diabetes, and Obesity
https://www.readbyqxmd.com/read/25143719/cognitive-effects-of-testosterone-and-finasteride-administration-in-older-hypogonadal-men
#17
RANDOMIZED CONTROLLED TRIAL
Stephen E Borst, Joshua F Yarrow, Carmen Fernandez, Christine F Conover, Fan Ye, John R Meuleman, Matthew Morrow, Baiming Zou, Jonathan J Shuster
Serum concentrations of neuroactive androgens decline in older men and, in some studies, low testosterone is associated with decreased cognitive function and incidence of depression. Existing studies evaluating the effect of testosterone administration on cognition in older men have been largely inconclusive, with some studies reporting minor to moderate cognitive benefit, while others indicate no cognitive effect. Our objective was to assess the cognitive effects of treating older hypogonadal men for 1 year with a supraphysiological dose of testosterone, either alone or in combination with finasteride (a type II 5α-reductase inhibitor), in order to determine whether testosterone produces cognitive benefit and whether suppressed dihydrotestosterone influences cognition...
2014: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/24959691/immunohistochemical-evaluation-of-androgen-receptor-and-nerve-structure-density-in-human-prepuce-from-patients-with-persistent-sexual-side-effects-after-finasteride-use-for-androgenetic-alopecia
#18
Carla Di Loreto, Francesco La Marra, Giorgio Mazzon, Emanuele Belgrano, Carlo Trombetta, Sabina Cauci
Finasteride is an inhibitor of 5-α-reductase used against male androgenetic alopecia (AGA). Reported side effects of finasteride comprise sexual dysfunction including erectile dysfunction, male infertility, and loss of libido. Recently these effects were described as persistent in some subjects. Molecular events inducing persistent adverse sexual symptoms are unexplored. This study was designed as a retrospective case-control study to assess if androgen receptor (AR) and nerve density in foreskin prepuce specimens were associated with persistent sexual side effects including loss of sensitivity in the genital area due to former finasteride use against AGA...
2014: PloS One
https://www.readbyqxmd.com/read/24697345/randomized-controlled-trial-on-the-efficacy-of-bladder-training-before-removing-the-indwelling-urinary-catheter-in-patients-with-acute-urinary-retention-associated-with-benign-prostatic-hyperplasia
#19
RANDOMIZED CONTROLLED TRIAL
Yuan Zhengyong, He Changxiao, Yan Shibing, Wu Caiwen
OBJECTIVE: The aim of this study was to investigate the efficacy of bladder training before removing the indwelling urinary catheter in patients with acute urinary retention (AUR) associated with benign prostatic hyperplasia (BPH). MATERIAL AND METHODS: In total, 845 consecutive patients with their first episode of spontaneous AUR associated with BPH were enrolled in this prospective randomized controlled trial. They were randomly assigned to be given either pharmacological treatment combined with bladder training or pharmacological treatment (tamsulosin 0...
August 2014: Scandinavian Journal of Urology
https://www.readbyqxmd.com/read/24326421/musculoskeletal-and-prostate-effects-of-combined-testosterone-and-finasteride-administration-in-older-hypogonadal-men-a-randomized-controlled-trial
#20
RANDOMIZED CONTROLLED TRIAL
Stephen E Borst, Joshua F Yarrow, Christine F Conover, Unyime Nseyo, John R Meuleman, Judyta A Lipinska, Randy W Braith, Darren T Beck, Jeffrey S Martin, Matthew Morrow, Shirley Roessner, Luke A Beggs, Sean C McCoy, Darryl F Cannady, Jonathan J Shuster
Testosterone acts directly at androgen receptors and also exerts potent actions following 5α-reduction to dihydrotestosterone (DHT). Finasteride (type II 5α-reductase inhibitor) lowers DHT and is used to treat benign prostatic hyperplasia. However, it is unknown whether elevated DHT mediates either beneficial musculoskeletal effects or prostate enlargement resulting from higher-than-replacement doses of testosterone. Our purpose was to determine whether administration of testosterone plus finasteride to older hypogonadal men could produce musculoskeletal benefits without prostate enlargement...
February 15, 2014: American Journal of Physiology. Endocrinology and Metabolism
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