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Evaluation of male infertility

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https://www.readbyqxmd.com/read/27932897/effect-of-ovarian-endometrioma-on-uterine-and-ovarian-blood-flow-in-infertile-women
#1
Akmal El-Mazny, Ahmed Kamel, Wafaa Ramadan, Sherine Gad-Allah, Suzy Abdelaziz, Ahmed M Hussein
BACKGROUND: Angiogenesis has been found to be among the most important factors in the pathogenesis of endometriosis. The formation of new blood vessels is critical for the survival of newly implanted endometriotic foci. The use of 3-D power Doppler allows for the demonstration of the dynamic vascular changes that occur during the process of in vitro fertilization (IVF). We aimed to evaluate the effect of ovarian endometrioma on uterine and ovarian blood flow in infertile women. MATERIALS AND METHODS: In a case-control study at a university teaching hospital, 138 women with unilateral ovarian endometrioma scheduled for IVF were compared to 138 women with male-factor or unexplained infertility...
2016: International Journal of Women's Health
https://www.readbyqxmd.com/read/27932551/antigen-unmasking-enhances-visualization-efficacy-of-the-oocyte-activation-factor-phospholipase-c-zeta-in-mammalian-sperm
#2
Junaid Kashir, Luke Buntwal, Michail Nomikos, Brian L Calver, Panagiotis Stamatiadis, Peter Ashley, Vyronia Vassilakopoulou, David Sanders, Paul Knaggs, Evangelia Livaniou, Adnan Bunkheila, Karl Swann, F Anthony Lai
STUDY QUESTION: Is it possible to improve clinical visualization of phospholipase C zeta (PLCζ) as a diagnostic marker of sperm oocyte activation capacity and male fertility? SUMMARY ANSWER: Poor PLCζ visualization efficacy using current protocols may be due to steric or conformational occlusion of native PLCζ, hindering antibody access, and is significantly enhanced using antigen unmasking/retrieval (AUM) protocols. WHAT IS KNOWN ALREADY: Mammalian oocyte activation is mediated via a series of intracellular calcium (Ca(2+)) oscillations induced by sperm-specific PLCζ...
December 8, 2016: Molecular Human Reproduction
https://www.readbyqxmd.com/read/27927843/risk-of-childhood-mortality-in-family-members-of-men-with-poor-semen-quality
#3
Heidi A Hanson, Erik N Mayer, Ross E Anderson, Kenneth I Aston, Douglas T Carrell, Justin Berger, William T Lowrance, Ken R Smith, James M Hotaling
STUDY QUESTION: What is the familial childhood mortality in first-degree (FDR) and second-degree relatives (SDR) of patients undergoing semen analysis (SA)? SUMMARY ANSWER: The relationship between infertility and congenital malformations (CM) in offspring is complex, with an increased risk of death due to CM in FDR, but not SDR, of men with lower semen parameters. WHAT IS KNOWN ALREADY: Semen quality is an established predictor of men's somatic health...
December 6, 2016: Human Reproduction
https://www.readbyqxmd.com/read/27921000/distress-in-infertile-males-in-manipal-india-a-clinic-based-study
#4
Ansha Patel, Podila Satya Venkata Narasimha Sharma, Pratapkumar Narayan, Binu Valsalakumari Sreekumaran Nair, Dinesh Narayanakurup, Praveena Joglekar Pai
BACKGROUND: Being infertile comes as an overwhelming realization for couples trying to conceive. In consideration of rising rates of infertility worldwide, clinicians in India have also begun exploring this field for new possibilities, development and research. The purpose of this study was to estimate the proportion and predictors of infertility specific stress in males diagnosed with primary infertility. METHODS: This cross-sectional research was conducted in an assisted reproduction center, Manipal, India, on 300 infertile married males...
October 2016: Journal of Reproduction & Infertility
https://www.readbyqxmd.com/read/27886002/three-dimensional-vs-two-dimensional-shear-wave-elastography-of-the-testes-preliminary-study-on-a-healthy-collective
#5
J Marcon, M Trottmann, J Rübenthaler, M D'Anastasi, C G Stief, M F Reiser, D A Clevert
INTRODUCTION: Shear wave elastography (SWE) and its derivative Supersonic Shear Imaging (SSI) are newer techniques for the determination of tissue elasticity by measuring the velocity of generated shear waves (SWV), which correlates positively with tissue stiffness.The techniques are integrated into many modern ultrasound systems and have been examined in the evaluation of viscoelastic properties of different organ systems. Two-dimensional shear wave elastography (2D SWE) of the testes has been found to be a useful tool in recent studies which included the determination of standard values in healthy volunteers...
November 23, 2016: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/27875946/the-role-of-sexual-dysfunction-and-infertility-on-reproductive-health-in-diabetics-pathogenesis-evaluation-and-management
#6
Jason Gandhi, Gautam Dagur, Kelly Warren, Noel Smith, Sardar Ali Khan
BACKGROUND: Uncontrolled or long-term diabetes mellitus is conducive to vascular and oxidative stress disturbances that impede several physiological systems, which may in turn elicit psychological symptoms. OBJECTIVE: We assess the sexual and hormonal complications of diabetes mellitus that impair reproductive function in males and females. METHOD: A comprehensive MEDLINE® search was guided using key words relevant to diabetes mellitus and reproductive health...
November 22, 2016: Current Diabetes Reviews
https://www.readbyqxmd.com/read/27872723/a-human-reproductive-approach-to-the-study-of-infertility-in-chimpanzees-an-experience-at-leon-s-zoological-park-mexico
#7
Raul Eduardo Piña-Aguilar, Janet López-Saucedo, Lilia Ivone Ruiz-Galaz, José de Jesús Barroso-Padilla, Mayra Celina Gallegos-Rivas, Claudia González-Ortega, Antonio Martin Gutiérrez-Gutiérrez
Great apes are mammals close to humans in their genetic, behavioral, social and evolutionary characteristics and new genomic information is revolutionizing our understanding of evolution in primates. However, all these species are endangered. While there are many global programs to protect these species, the International Union for Conservation of Nature (IUCN) projects that in a near future the wild populations will decrease significantly. Nowadays, the relevance of captive populations of great apes is becoming critical for research and understanding of pathophysiology of diseases...
2016: Veterinary Research Forum
https://www.readbyqxmd.com/read/27871827/asymptomatic-infection-with-mycoplasma-hominis-negatively-affects-semen-parameters-and-leads-to-male-infertility-as-confirmed-by-improved-semen-parameters-after-antibiotic-treatment
#8
Mohammad Hossein Ahmadi, Akbar Mirsalehian, Mohammad Ali Sadighi Gilani, Abbas Bahador, Malihe Talebi
OBJECTIVE: To elucidate the association between asymptomatic infections caused by Mycoplasma hominis and male infertility and to evaluate the role of antibiotic therapy in the treatment of this failure. MATERIALS AND METHODS: A total of 165 infertile men having abnormal semen parameters (study group) as well as 165 healthy fertile men (control group) were included in this study. Semen samples were taken from all participants and, after analyzing for semen parameters, real-time polymerase chain reaction, microbial culture, and reactive oxygen species (ROS) as well as total antioxidant capacity (TAC) assays were performed...
November 18, 2016: Urology
https://www.readbyqxmd.com/read/27864336/bmp4-promotes-mouse-ips-cell-differentiation-to-male-germ-cells-via-smad1-5-gata4-id1-and-id2
#9
Shi Yang, Qingqing Yuan, Minghui Niu, Jingmei Hou, Zijue Zhu, Min Sun, Zheng Li, Zuping He
Generation of male germ cells from pluripotent cells could provide male gametes for treating male infertility and offer an ideal model for unveiling molecular mechanisms of spermatogenesis. However, the influence and exact molecular mechanisms, especially downstream effectors of BMP4 signaling pathways, in male germ cell differentiation of the induce pluripotent stem (iPS) cells, remain unknown. This study was designed to explore the role and mechanism of BMP4 signaling in the differentiation of mouse iPS cells to male germ cells...
February 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/27856173/fertility-in-disorders-of-sex-development-a-review
#10
REVIEW
J P Van Batavia, T F Kolon
INTRODUCTION: Disorders of sex development (DSD) are a heterogeneous group of complex conditions that can affect chromosomal, gonadal, and/or phenotypical sex. In addition to impacts on internal and external genitalia,these conditions can affect fertility potentialto various degrees. In this review we discuss fertility issues including gonadalpreservation and reproductive outcomes based on specific DSD conditions. METHODS AND MATERIALS: A systematic literature review was performed on Embase(™), PubMed(®), and Google Scholar(™) for disordersof sex development and infertility...
November 3, 2016: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/27849121/reproductive-prognosis-in-women-with-endometriosis-after-conservative-surgery-a-single-center-experience
#11
Maria C Cesana, Luisa Ferrari, Paolo Passoni, Serena Polizzi, Federica Brunetti, Rodolfo Milani
BACKGROUND: To evaluate the reproductive prognosis in women subjected to conservative surgical treatment for endometriosis seeking pregnancy during the first three years after surgery. We tried to identify operative findings which negative influences prognosys. METHODS: We retrospectively analysed 140 patients with a diagnosis of endometriosis, based on surgical and histological criteria and without other male or female infertility factors who underwent surgery between 01/2002 and 01/2012...
November 16, 2016: Minerva Ginecologica
https://www.readbyqxmd.com/read/27845132/re-is-thyroid-hormones-evaluation-of-clinical-value-in-the-work-up-of-males-of-infertile-couples
#12
Craig Niederberger
No abstract text is available yet for this article.
December 2016: Journal of Urology
https://www.readbyqxmd.com/read/27837200/oxidative-dna-damage-to-sperm-cells-and-peripheral-blood-leukocytes-in-infertile-men
#13
Kerem Taken, Hamit Hakan Alp, Recep Eryilmaz, Muhammet Irfan Donmez, Murat Demir, Mustafa Gunes, Rahmi Aslan, Mehmet Ramazan Sekeroglu
BACKGROUND Oxidative DNA damage is associated with male infertility. The aim of this study was to evaluate the oxidative DNA damage of sperm cells and blood leukocytes and to determine the levels of MDA and NO levels in seminal and blood plasma of idiopathic infertile men. MATERIAL AND METHODS The study enrolled 52 patients, including 30 infertile and 22 fertile men. MDA, NO, and 8-OHdG/106dG were estimated using spectrophotometry and high-pressure liquid chromatography (HPLC)-based methods in seminal and blood plasma...
November 11, 2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/27819132/effects-of-concomitant-diabetes-mellitus-and-hyperthyroidism-on-testicular-and-epididymal-histoarchitecture-and-steroidogenesis-in-male-animals
#14
Nazar Ali Korejo, Quan-Wei Wei, Atta Hussain Shah, Fang-Xiong Shi
This study evaluated the effects of comorbid disorders of diabetes and hyperthyroidism in the adult male mice. In total, 32 ICR strain mice were equally distributed into four groups: control (C), diabetic (D), diabetic-plus-hyperthyroid (DH), and hyperthyroid (H). Mice allocated for diabetes received a single intraperitoneal injection of streptozotocin (STZ) at 200 mg/kg body weight. At the onset of diabetes, one group of mice was concomitantly injected levothyroxine (LT4; 0.3 mg/kg body weight) and the other set of animals received the same treatment independently on a daily basis...
2016: Journal of Zhejiang University. Science. B
https://www.readbyqxmd.com/read/27816927/use-of-testicular-sperm-for-icsi-in-oligozoospermic-couples-how-far-should-we-go
#15
REVIEW
Armand Zini, Phil V Bach, Ahmad H Al-Malki, Peter N Schlegel
In 1992 and subsequently, several reports indicated that ICSI was a successful technique to achieve clinical pregnancy and live birth using spermatozoa with severely impaired characteristics. The initial optimism over the ability of ICSI to overcome significant sperm abnormalities was later tempered by the findings of more recent publications suggesting that some sperm deficits may not be as effectively treated with ICSI. In search for effective treatment for couples with severe male factor, a number of small retrospective and prospective studies have reported high pregnancy and live birth rates using testicular sperm for men with necrozoospermia, cryptozoospermia and oligozoospermia with or without elevated sperm DNA damage...
November 5, 2016: Human Reproduction
https://www.readbyqxmd.com/read/27814762/risk-of-adverse-pregnancy-and-perinatal-outcomes-after-high-technology-infertility-treatment-a-comprehensive-systematic-review
#16
REVIEW
Stefano Palomba, Roy Homburg, Susanna Santagni, Giovanni Battista La Sala, Raoul Orvieto
In the literature, there is growing evidence that subfertile patients who conceived after infertility treatments have an increased risk of pregnancy and perinatal complications and this is particularly true for patients who conceived through use of high technology infertility treatments. Moreover, high technology infertility treatments include many concomitant clinical and biological risk factors. This review aims to summarize in a systematic fashion the current evidence regarding the relative effect of the different procedures for high technology infertility treatments on the risk of adverse pregnancy and perinatal outcome...
November 4, 2016: Reproductive Biology and Endocrinology: RB&E
https://www.readbyqxmd.com/read/27803588/ficoll-400-density-gradient-method-as-an-effective-sperm-preparation-technique-for-assisted-reproductive-techniques
#17
Hyacinth N Highland, A Sharma Rishika, S Shaikh Almira, P Bansal Kanthi
BACKGROUND: Infertility being a burning issue, the male itself contributes about 40% as a cause, as evident by statistical data. However, Assisted Reproductive Technology (ART) has emerged as a powerful tool in the management of infertility. Sperm preparation techniques govern the selection procedure to separate functional spermatozoa which can then be used in IUI, IVF, and ART and for cryopreservation. AIM: The present study was aimed at evaluation of sperm preparation techniques for reliability, performance and to determine the most effective, feasible and economical technique...
July 2016: Journal of Human Reproductive Sciences
https://www.readbyqxmd.com/read/27799629/oxidative-stress-and-polycystic-ovary-syndrome-evaluation-during-ovarian-stimulation-for-icsi
#18
Anderson Sanches de Melo, Jhenifer Kliemchen, Alceu Afonso Jordão Junior, Rui A Ferriani, Paula Andrea Navarro
Oxidative stress (OS) may affect natural fertility and the results of assisted reproduction techniques (ARTs). Subfertility associated with polycystic ovary syndrome (PCOS) may be related to OS. This process may intensify during controlled ovarian stimulation (COS) for ARTs because of increased ovarian metabolic activity and hypoestrogenism with the use of gonadotropin-releasing hormone agonists (GnRHas). The objective of this study was to investigate the presence of systemic OS in non-stimulated cycles and to determine OS markers (malondialdehyde [MDA], advanced oxidation protein products [AOPP], hydroperoxides [FOX], glutathione [GSH], and vitamin E) during COS in non-obese infertile women with and without PCOS who were subjected to ARTs...
October 31, 2016: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/27793385/clinical-genetic-biochemical-and-testicular-biopsy-findings-among-1-213-men-evaluated-for-infertility
#19
Inge Ahlmann Olesen, Anna-Maria Andersson, Lise Aksglaede, Niels Erik Skakkebaek, Ewa Rajpert-de Meyts, Niels Joergensen, Anders Juul
OBJECTIVE: To study the pathologic findings among men evaluated for infertility. DESIGN: A retrospective, single-center, cross-sectional study. SETTING: University hospital-based research center. PARTICIPANT(S): We included data from 1,213 medical records from infertile men referred for diagnostic work-up from 2005 to 2009. INTERVENTIONS(S): None. MAIN OUTCOME MEASURE(S): Health history, clinical findings, chromosome/genetic aberrations, semen quality, reproductive hormones...
October 25, 2016: Fertility and Sterility
https://www.readbyqxmd.com/read/27790278/gender-differences-in-clinical-presentations-of-cystic-fibrosis-patients-in-azeri-turkish-population
#20
Leila Vahedi, Morteza Jabarpoor-Bonyadi, Morteza Ghojazadeh, Amir Vahedi, Mandana Rafeey
BACKGROUND: Cystic fibrosis (CF) is an autosomal recessive disorder with several clinical presentations. This study was undertaken in the Azeri Turkish population in Iran, to investigate gender differences in the age at onset and diagnosis, age of death, and duration of illness of CF. METHODS: The data of 331 CF patients from 2001 to 2015 was surveyed. Parameters including age, sex, ΔF508 mutation, age at onset, age at diagnosis, age of death and clinical presentations were evaluated for both sexes, using descriptive analysis...
October 2016: Tuberculosis and Respiratory Diseases
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