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World Journal of Men's Health

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https://www.readbyqxmd.com/read/30358184/c-type-natriuretic-peptide-natriuretic-peptide-receptor-2-is-involved-in-cell-proliferation-and-testosterone-production-in-mouse-leydig-cells
#1
Lei Yang, Lanjie Lei, Qihan Zhao, Ying Gong, Gaopeng Guan, Shaoxin Huang
PURPOSE: This study investigated the role of natriuretic peptide receptor 2 (NPR2) on cell proliferation and testosterone secretion in mouse Leydig cells. MATERIALS AND METHODS: Mouse testis of different postnatal stages was isolated to detect the expression C-type natriuretic peptide (CNP) and its receptor NPR2 by quantitative reverse transcription polymerase chain reaction (RT-qPCR). Leydig cells isolated from mouse testis were cultured and treated with shNPR2 lentiviruses or CNP...
October 23, 2018: World Journal of Men's Health
https://www.readbyqxmd.com/read/30350487/microtubular-dysfunction-and-male-infertility
#2
REVIEW
Sezgin Gunes, Pallav Sengupta, Ralf Henkel, Aabed Alguraigari, Mariana Marques Sinigaglia, Malik Kayal, Ahmad Joumah, Ashok Agarwal
Microtubules are the prime component of the cytoskeleton along with microfilaments. Being vital for organelle transport and cellular divisions during spermatogenesis and sperm motility process, microtubules ascertain functional capacity of sperm. Also, microtubule based structures such as axoneme and manchette are crucial for sperm head and tail formation. This review (a) presents a concise, yet detailed structural overview of the microtubules, (b) analyses the role of microtubule structures in various male reproductive functions, and (c) presents the association of microtubular dysfunctions with male infertility...
October 22, 2018: World Journal of Men's Health
https://www.readbyqxmd.com/read/30350486/metabolic-syndrome-and-male-fertility
#3
REVIEW
Ana Dias Martins, Ahmad Majzoub, Ashok Agawal
Metabolic syndrome (MetS) represents a cluster of conditions that have a negative impact on human health overall. Its prevalence has been rapidly increasing worldwide and has coincided with a global decrease in birth rates and fertility potential. This review aims to address this observation through studying the relationship between MetS and male reproductive health. The effects of obesity, dyslipidemia, hypertension, and insulin resistance on male fertility were examined and supporting evidence explaining the pathophysiology of sperm dysfunction with each MetS component were described...
October 22, 2018: World Journal of Men's Health
https://www.readbyqxmd.com/read/30350485/no-causal-link-between-phosphodiesterase-type-5-inhibition-and-melanoma
#4
Jenny Z Wang, Stephanie Le, Claire Alexanian, Sucharita Boddu, Alexander Merleev, Alina Marusina, Emanual Maverakis
PURPOSE: To examine the association between phosphodiesterase type 5 (PDE5) inhibitor use and melanoma by 1) conducting a systematic review of observational studies; and 2) determining if low PDE5A gene expression in human melanoma correlated with decreased overall survival. MATERIALS AND METHODS: A systematic search of observational studies examining the association between PDE5 inhibitor use and melanoma was performed through ClinicalTrials.gov, the Cochrane Library, EMBASE, PubMed, and Web of Science databases, and seven eligible studies were identified...
October 10, 2018: World Journal of Men's Health
https://www.readbyqxmd.com/read/30350484/elevated-body-mass-index-is-associated-with-secondary-hypogonadism-among-men-presenting-to-a-tertiary-academic-medical-center
#5
John M Masterson, Nachiketh Soodana-Prakash, Amir S Patel, Atil Y Kargi, Ranjith Ramasamy
PURPOSE: To characterize the population of hypogonadal men who presented to a tertiary academic urology clinic and evaluate risk factors for primary vs. secondary hypogonadism. MATERIALS AND METHODS: We evaluated all men with International Classification of Diseases-9 diagnosis codes R68.82 and 799.81 for low libido, 257.2 for testicular hypofunction, and E29.1 for other testicular hypofunction at a tertiary academic medical center from 2013 to 2017. We included men who had testosterone (T) and luteinizing hormone (LH) drawn on the same day...
October 10, 2018: World Journal of Men's Health
https://www.readbyqxmd.com/read/30350483/testosterone-is-a-contraceptive-and-should-not-be-used-in-men-who-desire-fertility
#6
REVIEW
Amir Shahreza Patel, Joon Yau Leong, Libert Ramos, Ranjith Ramasamy
Testosterone has a variety of functions and is commonly used in older men to treat symptoms of hypogonadism, such as decreased libido, decreased mood and erectile dysfunction. Despite its positive effects on sexual function, it has a negative effect on fertility. Exogenous testosterone therapy can negatively affect the hypothalamic-pituitary gonadal axis and inhibit the production of follicle stimulating hormone and luteinizing hormone. The purpose of this review is to discuss the contraceptive properties of testosterone therapy and to discuss strategies to increase testosterone in men with the desire to preserve fertility...
October 10, 2018: World Journal of Men's Health
https://www.readbyqxmd.com/read/30209900/long-term-testosterone-therapy-in-type-2-diabetes-is-associated-with-decreasing-waist-circumference-and-improving-erectile-function
#7
Geoffrey Hackett, Nigel Cole, Akhilesh Mulay, Richard C Strange, Sudarshan Ramachandran
PURPOSE: To describe the 4-year metabolic follow-up results from the BLAST study. MATERIALS AND METHODS: Baseline hemoglobin A1c (HbA1c), weight, and waist circumference (WC) data were recorded in 185 men recruited for the BLAST randomised controlled trial (RCT) and erectile function (EF) scores were also available in an additional 48 men screened for the RCT. Intra/inter-group associations between these parameters and testosterone replacement therapy (TRT) were assessed at 1) end of the RCT (30 weeks), 2) open-label phase (82 weeks), and 3) final assessment via non-parametric statistics...
September 12, 2018: World Journal of Men's Health
https://www.readbyqxmd.com/read/30209899/role-of-androgen-receptor-in-prostate-cancer-a-review
#8
REVIEW
Kazutoshi Fujita, Norio Nonomura
Androgen receptor (AR) is a steroid receptor transcriptional factor for testosterone and dihydrotestosterone consisting of four main domains, the N-terminal domain, DNA-binding domain, hinge region, and ligand-binding domain. AR plays pivotal roles in prostate cancer, especially castration-resistant prostate cancer (CRPC). Androgen deprivation therapy can suppress hormone-naïve prostate cancer, but prostate cancer changes AR and adapts to survive under castration levels of androgen. These mechanisms include AR point mutations, AR overexpression, changes of androgen biosynthesis, constitutively active AR splice variants without ligand binding, and changes of androgen cofactors...
September 10, 2018: World Journal of Men's Health
https://www.readbyqxmd.com/read/30209898/microsurgical-denervation-of-spermatic-cord-for-chronic-idiopathic-orchialgia-long-term-results-from-an-institutional-experience
#9
Rajeev Chaudhari, Satyadeo Sharma, Shahil Khant, Krutik Raval
PURPOSE: Chronic testicular pain remains an important challenge for urologists. At present there are many treatment modalities available for chronic orchialgia. Some patients remain in pain despite a conservative treatment. Microsurgical denervation of spermatic cord appears to be successful in relieving pain in patients who fail conservative management. We assessed the long-term efficacy, complications and patient perceptions of microsurgical denervation of the spermatic cord in the treatment of chronic orchialgia...
September 10, 2018: World Journal of Men's Health
https://www.readbyqxmd.com/read/30168300/postmicturition-dribble-is-associated-with-erectile-dysfunction-in-middle-aged-and-older-men-with-lower-urinary-tract-symptoms
#10
Dae Yul Yang, Kyungtae Ko, Seong Ho Lee, Jin Seon Cho, Sang Kon Lee, Tae Young Shin, Won Ki Lee
PURPOSE: Lower urinary tract symptoms (LUTS) are correlated with erectile dysfunction (ED), but research on whether postmicturition dribble (PMD) is related to ED is limited. We assessed the correlation between PMD and ED in middle-aged and older Korean men with LUTS. MATERIALS AND METHODS: In our prospective, cross-sectional, observational, multicenter study, we enrolled 205 men (age >40 years) with LUTS. LUTS and ED were assessed using the International Prostate Symptom Score (IPSS) and International Index of Erectile Function-5 (IIEF-5), respectively...
September 2018: World Journal of Men's Health
https://www.readbyqxmd.com/read/30168299/superoxide-anion-production-by-the-spermatozoa-of-men-with-varicocele-relationship-with-varicocele-grade-and-semen-parameters
#11
İlter Alkan, Meral Yüksel, Halil Lütfi Canat, Hasan Anıl Atalay, Osman Can, Hakan Özveri, Mehmet Murad Başar
PURPOSE: To investigate the pathophysiological role of superoxide anion and total reactive oxygen species (ROS) production by the spermatozoa of men with varicocele and its relationship with varicocele grade and semen parameters. MATERIALS AND METHODS: This prospective study included 34 men with grade II-III varicocele, regardless of their fertility status. The control group consisted of 13 healthy men. Semen characteristics were examined according to the 2010 World Health Organization criteria...
September 2018: World Journal of Men's Health
https://www.readbyqxmd.com/read/30168298/the-use-of-magnetic-resonance-imaging-in-the-prostate-cancer-primary-diagnostic-pathway-is-it-ready-for-primetime
#12
REVIEW
Niranjan J Sathianathen, Christopher A Warlick
Multiparametric magnetic resonance imaging (mpMRI) has been increasingly utilized in the prostate cancer diagnostic landscape over the last five years. The majority of the literature has focused on its use in men with a previous negative biopsy. However, over time, clinicians have begun using mpMRI in the work-up of men being considered for primary biopsy and subsequently data characterizing its diagnostic performance in this setting is emerging. This review comprehensively assesses the utility of mpMRI in the primary biopsy setting...
September 2018: World Journal of Men's Health
https://www.readbyqxmd.com/read/30168297/vision-and-strategies-for-men-s-health-research-in-an-aging-society
#13
EDITORIAL
Jae Seog Hyun
No abstract text is available yet for this article.
September 2018: World Journal of Men's Health
https://www.readbyqxmd.com/read/30079641/abnormal-human-sperm-parameters-contribute-to-sperm-dna-fragmentation-in-men-with-varicocele
#14
Yong Seog Park, Sun Hee Lee, Hye Won Choi, Hyo Serk Lee, Joong Shik Lee, Ju Tae Seo
PURPOSE: This study was performed to evaluate and compare threshold sperm parameters and sperm DNA fragmentation index (DFI), and further analyzed whether sperm DFI could be predicted from sperm parameters in men with varicocele. MATERIALS AND METHODS: A total of 157 semen samples underwent both semen analysis and sperm DNA fragmentation (SDF) testing in men with varicocele. Sperm parameters were assessed using the World Health Organization guidelines. SDF testing was performed using the Halosperm kit...
September 2018: World Journal of Men's Health
https://www.readbyqxmd.com/read/30079638/impact-of-testosterone-deficiency-and-testosterone-therapy-on-lower-urinary-tract-symptoms-in-men-with-metabolic-syndrome
#15
REVIEW
Abdulmaged M Traish, Vanessa Johansen
Lower urinary tract function is modulated by neural, vascular and urethral and bladder structural elements. The pathophysiological mechanisms of lower urinary tract symptoms (LUTS) encompass prostate enlargement, alterations in urethra histological structure bladder fibrosis and alterations in pelvic neuronal and vascular networks, The complex pathophysiological relationship between testosterone (T) deficiency (TD) and the constellations LUTS, and metabolic dysfunction manifested in the metabolic syndrome (Met S) remains poorly understood...
September 2018: World Journal of Men's Health
https://www.readbyqxmd.com/read/29774671/is-it-worth-treating-non-bothering-nocturia-results-of-a-multicenter-prospective-observational-study
#16
Kwangsung Park, Hyoung Keun Park, Sae Woong Kim, Dae Yul Yang, Jong Kwan Park, Hyun Jun Park, Ki Hak Moon, Du Geon Moon, Kweon Sik Min, Hwancheol Son, Sung Won Lee, Jae Seog Hyun, Woo Suk Choi, Sang Kuk Yang
PURPOSE: The purpose of this study was to evaluate the efficacy of treatment in patients with non-bothering nocturia. MATERIALS AND METHODS: In this prospective multicenter study, patients who visited hospitals for treatment of voiding symptoms were enrolled. Inclusion criteria were: 1) men >45 years, and 2) nocturia ≥2 confirmed by a three-day voiding diary. Subjects were divided into non-bothering and bothering groups based on International Consultation on Incontinence Questionnaire Nocturia (ICIQ-N) question 2b...
September 2018: World Journal of Men's Health
https://www.readbyqxmd.com/read/29774670/corrigendum-improvement-of-persistent-detrusor-overactivity-through-treatment-with-a-phytotherapeutic-agent-wsy-1075-after-relief-of-bladder-outlet-obstruction
#17
Su Jin Kim, Seung Hwan Jeon, Eun Bi Kwon, Hyun Cheol Jeong, Sae Woong Choi, Woong Jin Bae, Hyuk Jin Cho, U Syn Ha, Sung Hoo Hong, Ji Youl Lee, Sung Yeoun Hwang, Sae Woong Kim
This corrects the article on p. 153 in vol. 36, PMID: 29076300.
September 2018: World Journal of Men's Health
https://www.readbyqxmd.com/read/29756417/dehydroepiandrosterone-and-erectile-function-a-review
#18
REVIEW
Ahmed I El-Sakka
To review the contemporary knowledge regarding the dehydroepiandrosterone and erectile function. Medline was reviewed for English-language journal articles spanning the time between January 1990 and December 2017, using the terms 'erectile function', 'dehydroepiandrosterone'. We used Journal Articles and review articles that found to be relevant to the purpose of this review. Criteria included all pertinent review articles, randomized controlled trials with tight methodological design, cohort studies and retrospective analyses...
September 2018: World Journal of Men's Health
https://www.readbyqxmd.com/read/29756416/testosterone-and-sarcopenia
#19
REVIEW
Myung Jun Shin, Yun Kyung Jeon, In Joo Kim
Aging affects metabolism, leading to physiological and functional impairments, and is also related to changes in body composition, including reduced skeletal muscle mass and increased body fat. These changes are correlated with the pathophysiology of sarcopenia, which is defined as age-related loss of skeletal muscle mass and strength. Low testosterone levels are associated with unfavorable body composition changes, and sex hormones decrease with aging. Androgen deficiency, along with lack of exercise and poor nutrition, may be among the modifiable contributors to sarcopenia...
September 2018: World Journal of Men's Health
https://www.readbyqxmd.com/read/29623700/the-relationship-between-neonatal-circumcision-urinary-tract-infection-and-health
#20
REVIEW
Michael L Eisenberg, Deron Galusha, William A Kennedy, Mark R Cullen
The risk-benefit profile of neonatal circumcision is not clear. Most studies have focused on urinary tract infections but other health sequelae have not been evaluated. While evidence supports benefits of circumcision, a lack of randomized trials has been cited as a weakness. National guidelines provide mixed recommendations regarding neonatal circumcision. We review the weight of evidence and utilize current statistical methodology on observational data to examine the risks and benefits of neonatal circumcision...
September 2018: World Journal of Men's Health
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