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Evaluation of male infertility

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https://www.readbyqxmd.com/read/28644353/extraintestinal-manifestations-of-celiac-disease-effectiveness-of-the-gluten-free-diet
#1
Hilary Jericho, Naire Sansotta, Stefano Guandalini
OBJECTIVE: The aim of the study was to evaluate the effectiveness of the gluten-free diet (GFD) on extraintestinal symptoms in pediatric and adult celiac populations at the University of Chicago. METHODS: We conducted a retrospective chart review of the University of Chicago Celiac Center clinic charts from January 2002 to October 2014. Demographics, serologic testing, intestinal biopsies, and extraintestinal symptoms at presentation, 12, 24, and >24 months were recorded...
July 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28641947/effectiveness-of-human-spermatozoa-biomarkers-as-indicators-of-structural-damage-during-cryopreservation
#2
María José Gómez-Torres, Llanos Medrano, Alejandro Romero, Pedro José Fernández-Colom, Jon Aizpurúa
Human spermatozoa cryopreservation techniques are used to maintain and protect male fertility in cases such as infertility and malignancy treatments. However, during cryopreservation, the spermatozoa's metabolic rate is reduced and they undergo dramatic functional and structural changes owing to exposure to cryoprotectants and freezing-thawing procedures. While the effects of cryopreservation on cells are documented, to date the induced cryodamage on structural and/or functional sperm biomarkers is not well established at multivariate scale...
June 19, 2017: Cryobiology
https://www.readbyqxmd.com/read/28635070/adjuvant-treatment-with-qilin-pill-for-men-with-oligoasthenospermia-a-meta-analysis-of-randomized-controlled-trials
#3
REVIEW
Xin Jin, Changfeng Man, Dandan Gong, Yu Fan
Qilin pill has been used in the management of oligoasthenospermia. This meta-analysis aimed to evaluate the effects of Qilin pill as an adjunctive therapy on semen parameters in oligoasthenospermic men. A comprehensive literature search was conducted in PubMed, Embase, Cochrane Library, Wanfang, CNKI, and VIP databases until June 2016. Randomized controlled trials (RCTs) that evaluated Qilin pill as an adjunctive therapy in oligoasthenospermic were included. Dichotomous data and continuous data were calculated as the risk ratio (RR) and mean difference (MD) with their 95% confidence interval (CI), respectively...
June 21, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28632930/long-term-follow-up-of-intra-cytoplasmic-sperm-injection-conceived-offspring-compared-with-in%C3%A2-vitro-fertilization-conceived-offspring-a-systematic-review-of-health-outcomes-beyond-the-neonatal-period
#4
REVIEW
S R Catford, R I McLachlan, M K O'Bryan, J L Halliday
The use of intra-cytoplasmic sperm injection (ICSI) has increased significantly worldwide, often chosen instead of in vitro fertilization (IVF), yet long-term health outcomes are unknown and health differences between ICSI and IVF conceptions have not been comprehensively assessed. A systematic review of health outcomes of ICSI-conceived offspring beyond the neonatal period compared to IVF-conceived offspring was carried out. PubMed, OVID Medline/Embase, Informit, Web of Science and Proquest databases were searched on 9 November 2016 for studies reporting on health outcomes in ICSI-conceived offspring beyond 28 days after birth...
June 20, 2017: Andrology
https://www.readbyqxmd.com/read/28627828/the-relationship-between-the-mthfr-c677t-genotypes-to-serum-anti-m%C3%A3-llerian-hormone-concentrations-and-in-vitro-fertilization-intracytoplasmic-sperm-injection-outcome
#5
Seyedeh Z Shahrokhi, Faranak Kazerouni, Firouzeh Ghaffari, Ali Rahimipour, Mir D Omrani, Arezoo Arabipoor, Ramin Lak, Elaheh T Ghane
BACKGROUND: The expression of the 5,10-methylentetrahydrofolate reductase (MTHFR) gene in human oocytes and preimplantation embryos suggests that the MTHFR gene is involved in folliculogenesis and female reproduction. Considering the importance of the MTHFR gene on female reproduction, the aim of this study was to evalu- ate the influence of MTHFR C677T polymorphism on ovarian marker reserve, particularly serum anti-Müllerian hormone (AMH) levels, and ovarian response as well as clinical pregnancy rates after in vitro fertilization (IVF)/ intracytoplasmic sperm injection (ICSI)...
May 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/28627813/effect-of-the-oxidant-antioxidant-system-in-seminal-plasma-on-varicocele-and-idiopathic-infertility-in-male-humans
#6
Hayrullah Yazar, Fikret Halis, Yasemin Nasir, Derya Guzel, Mehmet Akdogan, Ahmet Gokce
BACKGROUND: The aim of this study was to investigate seminal oxidant-antioxidant activity in idiopathic and varicocele infertility in men. METHODS: Total anti-oxidant capacity (TAC), total oxidant status (TOS), paraoxonase (PON1), aryl esterase (ARE), and total thiol levels (TTL) were measured in seminal plasma with an autoanalyzer. The TOS/TAC ratio was determined as the oxidative stress index (OSI). A histopathological evaluation of the sperm was performed in the andrology laboratory of the hospital...
May 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/28623529/ameliorative-effect-of-omega-3-on-spermatogenesis-testicular-antioxidant-status-and-preimplantation-embryo-development-in-streptozotocin-induced-diabetes-in-rats
#7
Mehdi Khavarimehr, Vahid Nejati, Mazdak Razi, Gholamreza Najafi
PURPOSE: The present study was done to determine the ameliorative effect of polyunsaturated fatty acid omega-3 against experimental diabetes-induced damages on testicular tissue, sperm parameters and preimplantation embryo development in rat model. METHODS: Thirty-two mature male rats were divided into two control and test groups. The experimental diabetes (50 mg kg(-1) streptozotocin, ip) was induced in test group and subdivided into non-treated diabetic, 300 and 600 mg kg(-1) omega-3-treated (orally by gavage) groups...
June 16, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28606175/differences-in-utilization-of-intracytoplasmic-sperm-injection-icsi-within-human-services-hhs-regions-and-metropolitan-megaregions-in-the-u-s
#8
Pavel Zagadailov, Albert Hsu, David B Seifer, Judy E Stern
BACKGROUND: Anecdotal evidence suggests that US practice patterns for ART differ by geographical region. The purpose of this study was to determine whether use of ICSI differs by region and to evaluate whether these rates are correlated with differences in live birth rates. METHODS: Public data for 2012 were obtained from the Centers for Disease Control and Prevention. Clinics with ≥100 fresh, non-donor cycles were grouped by 10 nationally recognized Department of Health & Human Services regions and 11 metropolitan Megaregions and were compared for use of ICSI, frequency of male factor infertility, and live birth rate in women <35 years...
June 12, 2017: Reproductive Biology and Endocrinology: RB&E
https://www.readbyqxmd.com/read/28605667/single-versus-double-intrauterine-insemination-iui-for-pregnancy-a-systematic-review-and-meta-analysis
#9
REVIEW
Morteza Arab-Zozani, Carolina O Nastri
This study is focused in appraising the current evidence comparing double and single IUI for achieving a pregnancy. The primary outcomes were live birth and ectopic pregnancy per women randomized. Secondary outcomes included clinical pregnancy and miscarriage. The evaluation of the risk of bias within each study was structured using the Cochrane risk of bias and the overall quality of the body of evidence was assessed through the GRADE criteria. Electronic searches were run in 4 databases and resulted in 15 studies included encompassing 3795 women...
May 26, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28597829/urogenital-infection-as-a-risk-factor-for-male-infertility
#10
Hans-Christian Schuppe, Adrian Pilatz, Hamid Hossain, Thorsten Diemer, Florian Wagenlehner, Wolfgang Weidner
BACKGROUND: Infections of the genital tract are considered common causes of male fertility disorders, with a prevalence of 6-10%. Most of the affected men are asymptomatic. The diagnostic evaluation is based mainly on laboratory testing. Inconsistent diagnostic criteria have been applied to date, and this may explain the controversial debate about the role of infection and inflammation in the genital tract as a cause of infertility. The risk of an irreversible fertility disorder should not be underestimated...
May 12, 2017: Deutsches Ärzteblatt International
https://www.readbyqxmd.com/read/28584661/evaluation-of-sexual-and-fertility-dysfunction-in-spinal-cord-injured-men-in-jamaica
#11
Belinda F Morrison, Ian White-Gittens, Simon Smith, Shari St John, Romar Bent, Rory Dixon
INTRODUCTION: Sexual dysfunction and infertility are common in males with traumatic spinal cord injuries (SCIs). The objective of this study was to determine the prevalence of sexual dysfunction and infertility in males with traumatic SCI managed in Jamaica, as well as the therapeutic options offered. CASE PRESENTATION: A cross-sectional study including males with traumatic SCI managed at the Sir John Golding Rehabilitation Centre, Kingston, Jamaica was carried out between 1 January and 31 December 2015...
2017: Spinal Cord Series and Cases
https://www.readbyqxmd.com/read/28580446/protective-effects-of-melatonin-on-testis-histology-following-acute-torsion-detorsion-in-rats
#12
Mehri Mirhoseini, Fereshteh Talebpour Amiri, Abbas Ali Karimpour Malekshah, Zahra Rezanejad Gatabi, Elmira Ghaffari
BACKGROUND: Testicular damage due to spermatic cord torsion may lead to infertility. It is probably because of changes in oxidative stress factors such as malondialdehyde. OBJECTIVE: To investigate the protective effect of melatonin (MLT), as an antioxidant, on testicular damage induced by acute unilateral spermatic cord torsion and detorsion (T/D) in rats. MATERIALS AND METHODS: In this experimental study, 48 adult male Wistar rats were randomly divided into three groups (8 rats/group): sham group underwent right scrotal surgery only...
March 2017: International Journal of Reproductive Biomedicine (Yazd, Iran)
https://www.readbyqxmd.com/read/28573525/male-chromosomal-polymorphisms-reduce-cumulative-live-birth-rate-for-ivf-couples
#13
Tianxiang Ni, Jing Li, Hong Chen, Yuan Gao, Xuan Gao, Junhao Yan, Zi-Jiang Chen
PURPOSE: Chromosomal polymorphisms are associated with infertility, but their effects on assisted reproductive outcomes are still quite conflicting, especially after IVF treatment. This study evaluated the role of chromosomal polymorphisms of different genders in IVF pregnancy outcomes. METHODS: Four hundred and twenty-five infertile couples undergoing IVF treatment were divided into three groups: 214 couples with normal chromosomes (group A, control group), 86 couples with female polymorphisms (group B), and 125 couples with male polymorphisms (group C)...
June 1, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28566207/aberrations-in-sperm-dna-methylation-patterns-are-associated-with-abnormalities-in-semen-parameters-of-subfertile-males
#14
M Laqqan, E F Solomayer, M Hammadeh
Infertility affects about 15% of couples worldwide, with approximately 7% of males suffering from infertility problems. This study was designed to assess the relationship between alterations in sperm DNA methylation patterns and semen parameters in subfertile males. Of a total of 108 males, 30 samples were subjected to 450K BeadChip arrays to evaluate the variation in DNA methylation level between cases and controls. Three CpG sites showed the highest difference in methylation levels (cg09737095, cg14271023, and cg17662493), which are located in the KCNJ5, MLPH, and SMC1β genes, respectively; these were selected for further analysis using deep bisulfite sequencing in 78 independent samples (21 proven fertile "controls", and 57 subfertile "cases")...
May 26, 2017: Reproductive Biology
https://www.readbyqxmd.com/read/28553316/microrna-155-and-anti-m%C3%A3-llerian-hormone-new-potential-markers-of-subfertility-in-men-with-chronic-kidney-disease
#15
Dag Eckersten, Christos Tsatsanis, Aleksander Giwercman, Laila Bruun, Mats Pihlsgård, Anders Christensson
BACKGROUND/AIMS: Men with terminal renal failure are often infertile. Anti-müllerian hormone (AMH), a marker of Sertoli cell function, is decreased among men with chronic kidney disease (CKD). Recently, a microRNA, miR-155, has been shown to be a potential marker for subfertility. We studied miR-155 and semen parameters in patients with CKD who were not yet on dialysis. We also aimed to study possible associations between AMH, miR-155, and semen parameters to evaluate them as markers of fertility...
January 2017: Nephron Extra
https://www.readbyqxmd.com/read/28544631/spermatozoa-from-males-with-reduced-fecundity-exhibit-differential-dna-methylation-patterns
#16
M Laqqan, S Tierling, Y Alkhaled, C Lo Porto, E F Solomayer, M Hammadeh
Infertility affects 10-15% of couples, and approximately 50% of cases are linked to male factor infertility. The purpose of this study was to evaluate the DNA methylation patterns in spermatozoa from males who are suffering from a reduction in fecundity. Thirty samples were subjected to 450K arrays as a screening study to evaluate the variation in sperm DNA methylation levels between cases and controls groups, and then four CpG sites (cg05799088, cg07227024, cg16338278, and cg08408433) underwent to deep bisulfite sequencing to validate the observed methylation differences in 111 samples (56 proven fertile males as 'controls' and 55 males suffering from a reduction in fecundity as 'cases')...
May 23, 2017: Andrology
https://www.readbyqxmd.com/read/28542403/ghrelin-modulates-testicular-damage-in-a-cryptorchid-mouse-model
#17
Enrica Bianchi, Kim Boekelheide, Mark Sigman, Susan J Hall, Kathleen Hwang
Cryptorchidism or undescended testis (UDT) is a common congenital abnormality associated with increased risk for developing male infertility and testicular cancer. This study elucidated the effects of endogenous ghrelin or growth hormone secretagogue receptor (GHSR) deletion on mouse reproductive performance and evaluated the ability of ghrelin to prevent testicular damage in a surgical cryptorchid mouse model. Reciprocal matings with heterozygous/homozygous ghrelin and GHSR knockout mice were performed. Litter size and germ cell apoptosis were recorded and testicular histological evaluations were performed...
2017: PloS One
https://www.readbyqxmd.com/read/28533904/-this-is-where-it-all-started-the-pivotal-role-of-plc%C3%AE-within-the-sophisticated-process-of-mammalian-reproduction-a-systemic-review
#18
Itai Gat, Raoul Orvieto
Mammalian reproduction is one of the most complex and fascinating biological phenomenon, which aims to transfer maternal and paternal genetic material to the next generation. At the end of oogenesis and spermatogenesis, both haploid gametes contain a single set of chromosomes ready to form the zygote, the first cell of the newly developing individual. The mature oocyte and spermatozoa remain in a quiescent state, during which the oocyte is characterized by nuclear and cytoplasmic arrest, while the spermatozoa necessitates further maturation within the epididymis and female reproductive track prior to egg fertilization...
2017: Basic and Clinical Andrology
https://www.readbyqxmd.com/read/28523952/is-male-factor-infertility-associated-with-midlife-low-grade-inflammation-a-population-based-study
#19
Katia Keglberg Hærvig, Lene Kierkegaard, Rikke Lund, Helle Bruunsgaard, Merete Osler, Lone Schmidt
Male factor infertility is associated with an increased risk of disease and mortality, which has been related to markers of chronic systemic inflammation. The objective of this study was to investigate the association between male factor infertility and low-grade inflammation and furthermore to examine the lifetime prevalence of male factor infertility and overall infertility (also including female and couple infertility). The study population consisted of 2140 members of the Metropolit 1953 Danish Male Birth Cohort who had participated in the Copenhagen Aging and Midlife Biobank data collection in 2009-2011...
May 19, 2017: Human Fertility: Journal of the British Fertility Society
https://www.readbyqxmd.com/read/28522219/racial-variation-in-semen-quality-at-fertility-evaluation
#20
Yash S Khandwala, Chiyuan A Zhang, Shufeng Li, Barry Behr, David Guo, Michael L Eisenberg
OBJECTIVE: To identify racial differences in semen quality among men living in the same geographic area seeking fertility evaluation. METHODS: Men obtaining a semen analysis for infertility evaluation or treatment between 2012 and 2016 at a single center were identified and demographic data including height, weight, BMI and age were described. Mean semen parameters and the proportions of men with suboptimal parameters based on the WHO 5(th) edition criteria were also compared based on race...
May 15, 2017: Urology
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