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https://www.readbyqxmd.com/read/28718894/sperm-cryopreservation-and-assisted-reproductive-technology-outcome-in-patients-with-spinal-cord-injury
#1
A Reignier, J Lammers, C Splingart, D Redhead, J J Labat, S Mirallié, P Barrière, T Fréour
This study aimed to describe spinal cord injured patients' semen characteristics before and after cryopreservation, and assisted reproductive technology cycles outcome compared to the infertile population. Data about sperm analysis and assisted reproductive technology (ART) cycles outcomes for 78 men with spinal cord injury referred for sperm cryopreservation between 1998 and 2013 were retrospectively analysed and compared with a reference group consisting of every Intra Cytoplasmic Sperm Injection (ICSI) cycle performed in our in vitro fertilization unit over the 2009-2014 period...
July 18, 2017: Andrologia
https://www.readbyqxmd.com/read/28718528/impairment-of-sperm-dna-methylation-in-male-infertility-a-meta-analytic-study
#2
D Santi, S De Vincentis, E Magnani, G Spaggiari
Considering the widespread use of assisted reproductive techniques (ART), DNA methylation of specific genes involved in spermatogenesis achieves increasingly clinical relevance, representing a possible explanation of increased incidence of syndromes related to genomic imprinting in medically assisted pregnancies. Several trials suggested a relationship between male sub-fertility and sperm DNA methylation, although its weight on seminal parameters alteration is still a matter of debate. To evaluate whether aberrant sperm DNA methylation of imprinted genes is associated with impaired sperm parameters...
July 2017: Andrology
https://www.readbyqxmd.com/read/28718160/validity-of-claims-data-for-the-identification-of-male-infertility
#3
REVIEW
Yash S Khandwala, Chiyuan A Zhang, Shufeng Li, Mark R Cullen, Michael L Eisenberg
PURPOSE OF REVIEW: We sought to determine whether infertile men can accurately be identified within a large insurance claims database to validate its use for reproductive health research. RECENT FINDINGS: Prior literature suggests that men coded for infertility are at higher risk for chronic disease though it was previously unclear if these diagnostic codes correlated with true infertility. We found that the specificity of one International Classification of Disease (9th edition) code in predicting abnormal semen parameters was 92...
September 2017: Current Urology Reports
https://www.readbyqxmd.com/read/28718159/the-role-of-varicocele-in-male-factor-subfertility
#4
REVIEW
Dillon Sedaghatpour, Boback M Berookhim
PURPOSE OF REVIEW: Varicocele may play a significant role in a subset of patients presenting with male factor infertility. Despite its relatively high prevalence amongst subfertile men, there has been controversy over the effectiveness of surgical treatments, patient selection, and when to administer treatment, particularly in the era of assisted reproductive technology. RECENT FINDINGS: In line with earlier finding, recent evidence strongly suggests that varicocelectomy improves pregnancy rates and semen parameters...
September 2017: Current Urology Reports
https://www.readbyqxmd.com/read/28717270/antioxidant-therapy-in-idiopathic-oligoasthenoteratozoospermia
#5
REVIEW
Ahmad Majzoub, Ashok Agarwal
INTRODUCTION: Idiopathic oligoasthenoteratozoospermia (iOAT) is commonly encountered during the evaluation of men with infertility. Antioxidants have been utilized empirically in the treatment of iOAT based on their ability to reverse oxidative stress (OS)-induced sperm dysfunction often encountered in this patient population. METHODS: A literature search was performed using MEDLINE/PubMed, focusing on publications of antioxidant therapies for iOAT. The main objective of our review article was to report the rationale and available evidence supporting the use of antioxidants...
July 2017: Indian Journal of Urology: IJU: Journal of the Urological Society of India
https://www.readbyqxmd.com/read/28717268/empiric-medical-therapy-with-hormonal-agents-for-idiopathic-male-infertility
#6
REVIEW
Nicholas N Tadros, Edmund S Sabanegh
INTRODUCTION: Infertility affects approximately 15% of all couples, and male factor contribute to up to 50% of cases. Unfortunately, the cause of male infertility is unknown in about 30% of these cases. Infertility of unknown origin is classified as idiopathic male infertility when abnormal semen parameters are present. Despite not having a definable cause, these men may respond to treatment. This review focuses on the use of empiric hormonal therapies for idiopathic male infertility...
July 2017: Indian Journal of Urology: IJU: Journal of the Urological Society of India
https://www.readbyqxmd.com/read/28713506/women-s-perceptions-and-experiences-of-the-challenges-in-the-process-of-male-infertility-treatment-a-qualitative-study
#7
Ali Taghipour, Fatemeh Zahra Karimi, Robab Latifnejad Roudsari, Seyed Ali Kimiaei, Seyed Reza Mazlom, Maliheh Amirian
BACKGROUND: Despite the fact that both men and women are equally subject to infertility, it is usually women who bear the burden of treatment and its consequences, even in cases of male infertility. Therefore, it is more necessary to recognize their health problems in order to help them. AIM: To explore women's perceptions and experiences of the challenges they face in the process of male infertility treatment. METHODS: This qualitative study was conducted during 2014-2015 using content analysis...
May 2017: Electronic Physician
https://www.readbyqxmd.com/read/28712079/aryl-hydrocarbon-receptor-gene-transitions-c-742c-t-c-1661g-a-and-idiopathic-male-infertility-a-case-control-study-with-in-silico-and-meta-analysis
#8
Younes Aftabi, Abasalt Hosseinzadeh Colagar, Faramarz Mehrnejad, Ensiyeh Seyedrezazadeh, Emadoddin Moudi
Aryl hydrocarbon receptor (AHR) is responsible for crucial events in male reproductive biology. Here, the association of the AHR transitions c.-742C>T and c.1661G>A with idiopathic male infertility was investigated in a case-control study, which is followed by a meta-analysis and a bioinformatic investigation. Blood and semen samples were obtained from a total of 135 idiopathic infertile men and 130 healthy controls. Participants were genotyped for the transitions using a PCR-RFLP method. A meta-analysis of five sets of data evaluated the association of c...
July 15, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28711916/polymorphisms-of-protamine-genes-contribute-to-male-infertility-susceptibility-in-the-chinese-han-population
#9
Weijun Jiang, Peiran Zhu, Jing Zhang, Qiuyue Wu, Weiwei Li, Shuaimei Liu, Mengxia Ni, Maomao Yu, Jin Cao, Yi Li, Yingxia Cui, Xinyi Xia
Protamine (PRM) plays important roles in the packaging of DNA within the sperm nucleus. To investigate the role of PRM1/2 and transition protein 1 (TNP1) polymorphisms in male infertility, 636 infertile men and 442 healthy individuals were recruited into this case-controlled study of the Chinese Han population, using MassARRAY technology to analyze genotypes. Our analysis showed that there were no significant differences between controls and infertile cases among the five single nucleotide polymorphisms identified in PRM1, PRM2 and TNP1 [rs737008 (G/A), rs2301365 (C/A), rs2070923 (C/A), rs1646022 (C/G) and rs62180545 (A/G)]...
June 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28707057/application-of-testosterone-supplementation-in-semen-to-improve-sperm-motility-in-asthenozoospermic-males
#10
Isarin Thanaboonyawat, Panicha Chantrapanichkul, Somsin Petyim, Chidchanok Kaewjunun, Pitak Laokirkkiat, Roungsin Choavaratana
PURPOSE: To evaluate the effect of different concentrations and durations of seminal testosterone supplementation upon the motility of sperm from asthenozoospermic males. METHODS: Semen was collected from 41 infertile men with asthenozoospermia. After liquefaction, 200 μL was extracted from each semen sample and divided equally into five groups for a negative control, a vehicle control, and three experimental portions mixed with 4.75, 7.75, and 17.75 nmol/L of testosterone, respectively...
July 13, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28694969/hypogonadotropic-hypogonadism-in-men-with-hereditary-hemochromatosis
#11
Rabih El Osta, Nicolas Grandpre, Nicolas Monnin, Jacques Hubert, Isabelle Koscinski
Hereditary hemochromatosis is a genetic disease that progresses silently. This disease is often diagnosed late when complications appear. Hypogonadotropic hypogonadism (HH) is one of the classical complications of hemochromatosis. Its frequency is declining probably because of earlier diagnosis and better informed physicians. Certain symptoms linked to HH can have an impact on a patient's sexuality, such as decreased libido, erectile dysfunction, and impairment of ejaculation, as well as on his reproductive capacities...
2017: Basic and Clinical Andrology
https://www.readbyqxmd.com/read/28694258/plc%C3%AE-is-the-physiological-trigger-of-the-ca-2-oscillations-that-induce-embryogenesis-in-mammals-but-offspring-can-be-conceived-in-its-absence
#12
Alaa Hachem, Jonathan Godwin, Margarida Ruas, Hoi Chang Lee, Minerva Ferrer Buitrago, Goli Ardestani, Andrew Bassett, Sebastian Fox, Felipe Navarrete, Petra de Sutter, Björn Heindryckx, Rafael Fissore, John Parrington
Activation of the egg by the sperm is the first, vital stage of embryogenesis. The sperm protein PLCζ has been proposed as the physiological agent that triggers the Ca(2+) oscillations that normally initiate embryogenesis. Consistent with this, recombinant PLCζ induces Ca(2+) oscillations in eggs and debilitating mutations in the PLCZ1 gene are associated with infertility in men. However, there has been no evidence that gene knockout of PLCζ abolishes the ability of sperm to induce Ca(2+) oscillations in eggs...
July 10, 2017: Development
https://www.readbyqxmd.com/read/28692609/human-semen-quality-sperm-dna-damage-and-the-level-of-reproductive-hormones-in-relation-to-urinary-concentrations-of-parabens
#13
Joanna Jurewicz, Michał Radwan, Bartosz Wielgomas, Emila Dziewirska, Anetta Karwacka, Anna Klimowska, Paweł Kałużny, Paweł Radwan, Michał Bochenek, Wojciech Hanke
OBJECTIVE: The aim of this study was to evaluate the association between environmental exposure to parabens and semen quality parameters [main semen parameters, computer-aided semen analysis (CASA parameters], sperm chromatin structure, and the level of reproductive hormones in men [follicle-stimulating hormone (FSH), testosterone, estradiol]. METHODS: Urine samples collected from 315 men who attended the infertility clinic for diagnostic purposes with normal semen concentration of 15 to 300 mln/mL were analyzed for five parabens concentrations using a validated gas chromatography ion-tap mass spectrometry method...
July 7, 2017: Journal of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28689230/the-extended-transnasal-transsphenoidal-approach-for-anterior-skull-base-meningioma-considerations-in-patient-selection
#14
Joseph P Castlen, David J Cote, Hasan A Zaidi, Edward R Laws
PURPOSE: In this study, we set out to define our institutional criteria for patient eligibility for transsphenoidal resection of parasellar meningiomas, and to report our experience with extended transnasal approaches for these lesions. We aimed to discuss the important considerations of patient selection and risk stratification to optimize outcomes for patients with these difficult lesions, and also include considerations that should be reviewed during surgical approach selection. METHODS: Medical records from Brigham and Women's Hospital were retrospectively reviewed for all patients who underwent transsphenoidal surgery for pituitary disease with the senior author from April 2008 to March 2017 (938 procedures)...
July 8, 2017: Pituitary
https://www.readbyqxmd.com/read/28689229/detection-of-candidate-nectin-gene-mutations-in-infertile-men-with-severe-teratospermia
#15
Richard Bronson, Anatoly Mikhailik, John Schwedes, Dimitri Gnatenko, Eli Hatchwell
PURPOSE: Approximately 40% of infertile men have an abnormal semen analysis, resulting from either abnormalities of sperm production (defective spermatogenesis) or sperm shape (defective spermiogenesis). This latter process is dependent upon the function of Sertoli cells, which maintain specialized junctional complexes with germ cells. Nectins, members of the immunoglobulin superfamily, participate in formation of these dynamic complexes. Male mice in which the nectin-2 or nectin-3 gene is knocked out are sterile...
July 8, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28683790/very-low-sensitivity-of-wet-mount-microscopy-compared-to-pcr-against-culture-in-the-diagnosis-of-vaginal-trichomoniasis-in-uganda-a-cross-sectional-study
#16
Sheila Nabweyambo, Othman Kakaire, Stefanie Sowinski, Alfred Okeng, Henry Ojiambo, Joshua Kimeze, Irene Najjingo, Freddie Bwanga
BACKGROUND: Trichomonas vaginalis (TV) causes the Trichomoniasis Syndrome composed of vaginitis in women, urethritis in men and tube infection in both sexes. This infection is strongly associated with premature rupture of membranes, preterm delivery, low birth weight, promoting HIV sexual transmission and infertility. Prevention of these complications requires accurate early detection and effective treatment of infected individuals. In the resource limited settings, the wet mount microscopy (WMM) is often the only available test for laboratory detection of TV, but its accuracy and that of polymerase chain reaction (PCR) tools in Uganda remain poorly studied...
July 6, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28680137/sexual-and-reproductive-health-in-rheumatic-disease
#17
REVIEW
Monika Østensen
Family size is reduced among patients with rheumatic diseases. The causes for the low number of children are multifactorial and include impaired sexual function, decreased gonadal function, pregnancy loss, therapy and personal choices. Sexuality contributes to quality of life in patients with rheumatic disease, but is often ignored by health professionals. Both disease-related factors and psychological responses to chronic disease can impair sexual functioning. Toxic effects of anti-inflammatory and immunosuppressive drugs can induce transient or permanent gonadal failure in women and men...
July 6, 2017: Nature Reviews. Rheumatology
https://www.readbyqxmd.com/read/28679145/the-effect-of-aromatase-on-the-reproductive-function-of-obese-males
#18
Xiaolin Xu, Mingqi Sun, Jifeng Ye, Dandan Luo, Xiaohui Su, Dongmei Zheng, Li Feng, Ling Gao, Chunxiao Yu, Qingbo Guan
Obesity has increased dramatically worldwide, which is associated with male infertility. Androgen deficiency, impaired spermatogenesis, and erectile dysfunction are characteristics of male infertility. The balance of androgens and estrogens is essential for maintaining normal reproductive function in males. Aromatase, the rate-limiting enzyme in the conversion of androgens into estrogens, is present in various tissues. The expression of aromatase is proportional to body fat mass and causes more fat accumulation, thus forming a vicious cycle...
July 5, 2017: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/28675168/varicocele-and-male-infertility
#19
REVIEW
Christian Fuglesang S Jensen, Peter Østergren, James M Dupree, Dana A Ohl, Jens Sønksen, Mikkel Fode
The link between varicoceles and male infertility has been a matter of debate for more than half a century. Varicocele is considered the most common correctable cause of male infertility, but some men with varicoceles are able to father children, even without intervention. In addition, improvements in semen quality after varicocelectomy do not always result in spontaneous pregnancy. Studies regarding possible pathophysiological mechanisms behind varicocele-induced infertility have tried to address these controversies...
July 4, 2017: Nature Reviews. Urology
https://www.readbyqxmd.com/read/28671268/microsurgical-varicocelectomy-for-clinical-varicocele-a-review-for-potential-new-indications
#20
REVIEW
X Wan, H Wang, Z Ji
Microsurgical varicocelectomy is considered the gold-standard technique treating varicocele in both adults and adolescents, due to relatively more favourable outcomes and lower post-operative recurrence and complication rates. Despite of mounting literature on this topic, several aspects are still not well defined. We summarised the most recent literature and presented findings that might extend its indications. Microsurgical varicocelectomy and intracytoplasmic sperm injection are both effective to father a child for infertile men with clinical varicocele even for those with worst condition of spermatozoa, nonobstructive azoospermia, and prior varicocele repair has substantial benefits for couples with a clinical varicocele...
July 3, 2017: Andrologia
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