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https://www.readbyqxmd.com/read/28523952/is-male-factor-infertility-associated-with-midlife-low-grade-inflammation-a-population-based-study
#1
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/28523408/genetics-and-epigenetics-of-varicocele-pathophysiology-an-overview
#2
REVIEW
Viviane Paiva Santana, Cristiana Libardi Miranda-Furtado, Flavia Gaona de Oliveira-Gennaro, Rosana Maria Dos Reis
Varicocele is found in approximately 20% of adults and adolescents and in 19-41% of men seeking treatment for infertility. It is associated with a decrease in sperm count as well as sperm motility and morphology. The currently accepted description of the pathophysiology of varicocele does not explain all its clinical manifestations; therefore, other factors such as genetic and epigenetic changes, associated with the environment, might be involved in causing infertility and decrease in sperm quality. It has been reported that the varicocele-induced deterioration of testicular function is progressive and interferes with fertility; hence, early and efficient assessment of the genetic manifestations in patients would be important for developing future medical interventions...
May 18, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28523019/use-of-the-internet-related-to-infertility-by-infertile-women-and-men-in-turkey
#3
Duygu Gulec Satir, Oya Kavlak
OBJECTIVE: To determine differences in use of the Internet related to infertility between infertile women and men, whether they benefit or are negatively affected from information on the Internet, and share this information with health professional. METHODS: This cross-sectional study was carried out with 285 infertile women and 158 men between December 2015 and February 2016. Data were collected by a survey Form which included questions related to sociodemographic characteristics, related to infertility (duration of treatment, type of treatment) and questions about use of the Internet...
March 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28522219/racial-variation-in-semen-quality-at-fertility-evaluation
#4
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
https://www.readbyqxmd.com/read/28521575/high-frequency-of-de-novo-daz-microdeletion-in-sperm-nuclei-of-subfertile-men-possible-involvement-of-genome-instability-in-idiopathic-male-infertility
#5
Hossein Mozdarani, Pegah Ghoraeian, Sohail Mozdarani, Parvin Fallahi, Anahita Mohseni-Meybodi
The occurrence and diagnosis of Y-chromosome microdeletions, specifically deletions of the DAZ (Deleted in Azoospermia) genes are an important issue in male infertility. Screening Y chromosome microdeletion is mainly done using polymerase chain reaction (PCR) on blood leukocytes. However, there is some evidence indicating that presence of DAZ in somatic cells might not be indicative of its presence in the germ cell lineage. Therefore, a total of 130 men with poor semen quality were examined for presence of DAZ microdeletion in their leukocytes...
May 19, 2017: Human Fertility: Journal of the British Fertility Society
https://www.readbyqxmd.com/read/28521566/quality-of-life-in-turkish-infertile-couples-and-related-factors
#6
Asli Goker, Emre Yanikkerem, Ozer Birge, Naci Kemal Kuscu
Infertility is a major life crisis affecting couples' psychosocial and physical health. We aimed to assess the quality of life in Turkish infertile couples. This cross-sectional survey was carried out in 127 infertile couples admitted to a University Hospital. The quality of life was measured using the fertility quality of life tool (FertiQoL) scale. Women had lower overall quality of life than men. Women and men who were married for fewer than 10 years had a significantly lower emotional score. Women who had a history of infertility treatment, men who have lived in the town or village men with primary infertility and men who have had primary education or lower, had lower scores for mind/body subscale...
May 19, 2017: Human Fertility: Journal of the British Fertility Society
https://www.readbyqxmd.com/read/28517043/sperm-chromatin-quality-and-dna-integrity-in-partial-versus-total-globozoospermia
#7
A R Talebi, J Ghasemzadeh, M A Khalili, I Halvaei, F Fesahat
Globozoospermia is a severe form of teratozoospermia with low incidence in infertile patients, considered as one of the important causes of male infertility. The objective was to investigate the chromatin/DNA integrity as well as apoptosis in ejaculated spermatozoa of cases with partial or total globozoospermia. Fifty-seven semen samples were divided into three groups of partial globozoospermia (n = 17), total globozoospermia (n = 10) and normozoospermia (control; n = 30). Sperm chromatin condensation, DNA integrity and apoptosis were assessed using cytochemical assays...
May 18, 2017: Andrologia
https://www.readbyqxmd.com/read/28511670/onco-testicular-sperm-extraction-onco-tese-for-bilateral-testicular-tumors-two-case-reports
#8
Sohgo Tsutsumi, Takashi Kawahara, Teppei Takeshima, Sawako Chiba, Koichi Uemura, Masako Otani, Kota Shimokihara, Yutaro Hayashi, Taku Mochizuki, Daiji Takamoto, Yusuke Hattori, Jun-Ichi Teranishi, Yasuhide Miyoshi, Masahiro Yao, Yoshiaki Inayama, Yasushi Yumura, Hiroji Uemura
BACKGROUND: Most patients with testicular cancer are infertile; thus, the preservation of the sperm after surgery is an important factor to consider. We report two cases of bilateral testicular cancer in patients who underwent bilateral higher orchiectomy and simultaneous testicular sperm extraction. CASE PRESENTATION: Two Asian-Japanese men were referred to our hospital with bilateral testicular tumors. Both of the patients were preoperatively diagnosed with azoospermia and requested testicular sperm extraction at the time of higher orchiectomy...
May 17, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28511457/leptin-as-a-predictive-marker-in-unexplained-infertility-in-north-indian-population
#9
Pratibha Kumari, S P Jaiswar, Pushplata Shankhwar, Sujata Deo, Kalim Ahmad, Bushra Iqbal, A A Mahdi
INTRODUCTION: According to WHO, the primary infertility in India is about 3.9% (age-standardized to 25-49 year) and 16.8% (age-standardized to 15-49 year), using the "age but no birth" definition. Several factors which affect fertility include low sperm production in men, poor egg quality and blocked fallopian tubes in women and also hormonal imbalances. Leptin plays a critical role in women's reproduction and neuroendocrine health. It is used for treating exercise-induced bone loss, eating disorders and infertility...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28508879/oxidative-stress-and-male-infertility
#10
REVIEW
Shilpa Bisht, Muneeb Faiq, Madhuri Tolahunase, Rima Dada
DNA damage, largely owing to oxidative stress, is a leading cause of defective sperm function. High levels of oxidative stress result in damage to sperm DNA, RNA transcripts, and telomeres and, therefore might provide a common underlying aetiology of male infertility and recurrent pregnancy loss, in addition to congenital malformations, complex neuropsychiatric disorders, and childhood cancers in children fathered by men with defective sperm cells. Spermatozoa are highly vulnerable to oxidative stress owing to limited levels of antioxidant defence and a single, limited DNA-damage detection and repair mechanism...
May 16, 2017: Nature Reviews. Urology
https://www.readbyqxmd.com/read/28505940/re-treatment-with-human-recombinant-fsh-improves-sperm-dna-fragmentation-in-idiopathic-infertile-men-depending-on-the-fsh-receptor-polymorphism-p-n680s-a-pharmacogenetic-study
#11
https://www.readbyqxmd.com/read/28498920/copy-number-variation-of-functional-rbmy1-is-associated-with-sperm-motility-an-azoospermia-factor-linked-candidate-for-asthenozoospermia
#12
Yuanlong Yan, Xiling Yang, Yunqiang Liu, Ying Shen, Wenling Tu, Qiang Dong, Dong Yang, Yongyi Ma, Yuan Yang
STUDY QUESTION: What is the influence of copy number variation (CNV) in functional RNA binding motif protein Y-linked family 1 (RBMY1) on spermatogenic phenotypes? SUMMARY ANSWER: The RBMY1 functional copy dosage is positively correlated with sperm motility, and dosage insufficiency is an independent risk factor for asthenozoospermia. WHAT IS KNOWN ALREADY: RBMY1, a multi-copy gene expressed exclusively in the adult testis, is one of the most important candidates for male infertility in the azoospermia factor (AZF) region of the Y-chromosome...
May 12, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28498890/semen-quality-is-a-predictor-of-subsequent-morbidity-a-danish-cohort-study-of-4-712-men-with-long-term-follow-up
#13
Tabassam Latif, Tina Kold Jensen, Jesper Mehlsen, Stine Agergaard Holmboe, Louise Brinth, Kirsten Pors, Sven Olaf Skouby, Niels Jørgensen, Rune Lindahl-Jacobsen
Semen quality is suggested to be a biological marker of long-term morbidity and mortality; however, few studies have been conducted on this subject. We identified 5,785 men seen for infertility in Frederiksberg Hospital, Denmark from 1977-2010, and 4,712 men were followed in the Danish National Patient Registry until first hospitalization, death or end of the study. We classified patients according to all hospitalizations and the presence of cardiovascular disease, diabetes, testicular and prostate cancer. We found a clear association between sperm concentration below 15 mill/mL and all-cause hospitalizations, 50% (95% CI: 1...
May 11, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28486688/risk-of-diabetes-according-to-male-factor-infertility-a-register-based-cohort-study
#14
Clara Helene Glazer, Jens Peter Bonde, Aleksander Giwercman, Ditte Vassard, Anja Pinborg, Lone Schmidt, Elvira Vaclavik Bräuner
STUDY QUESTION: Is male factor infertility associated with an increased risk of developing diabetes? SUMMARY ANSWER: The study provides evidence that male factor infertility may predict later occurrence of diabetes mellitus with the risk being related to the severity of the underlying fertility problem. WHAT IS KNOWN ALREADY: Previous cross-sectional studies have shown an increased prevalence of comorbidities among infertile men when compared to controls...
May 9, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28483505/post-thaw-recovery-of-rare-or-very-low-concentrations-of-cryopreserved-human-sperm
#15
Martin Kathrins, Nikita Abhyankar, Ohad Shoshany, Juergen Liebermann, Meike Uhler, Gail Prins, Craig Niederberger
OBJECTIVE: To analyze cases in which no sperm could be identified after thawing among cryopreserved samples of rare or very low concentrations of sperm. DESIGN: Retrospective, single-institution, cross-sectional. SETTING: Male infertility clinic. PATIENT(S): We identified couples that underwent intracytoplasmic sperm injection (ICSI) with the use of either ejaculated or testicular cryopreserved-thawed sperm. Inclusion criteria were men with <100,000 total ejaculated sperm or men with azoospermia due to spermatogenic dysfunction who underwent microsurgical testicular sperm extraction with similarly low pre-cryopreservation sperm counts...
May 5, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28480049/discrete-survival-model-analysis-of-a-couple-s-smoking-pattern-and-outcomes-of-assisted-reproduction
#16
Jose C Vanegas, Jorge E Chavarro, Paige L Williams, Jennifer B Ford, Thomas L Toth, Russ Hauser, Audrey J Gaskins
BACKGROUND: Cigarette smoking has been associated with worse infertility treatment outcomes, yet some studies have found null or inconsistent results. METHODS: We followed 225 couples who underwent 354 fresh non-donor assisted reproductive technology (ART) cycles between 2006 and 2014. Smoking history was self-reported at study entry. We evaluated the associations between smoking patterns and ART success using multivariable discrete time Cox proportional hazards models with six time periods: cycle initiation to egg retrieval, retrieval to fertilization, fertilization to embryo transfer (ET), ET to implantation, implantation to clinical pregnancy, and clinical pregnancy to live birth to estimate hazard ratios (HR) and 95% CIs...
2017: Fertility Research and Practice
https://www.readbyqxmd.com/read/28479763/microdissection-testicular-sperm-extraction-in-men-with-nonobstructive-azoospermia-experience-of-king-saud-university-medical-city-riyadh-saudi-arabia
#17
Saleh Binsaleh, Dulaim Alhajeri, Khaled Madbouly
OBJECTIVES: Microdissection testicular sperm extraction (micro-TESE) is an optimal technique of sperm extraction for intracytoplasmic sperm injection. This study is to present our experience in micro-TESE and evaluate the relation of its sperm retrieval rate (SRR) with patients' characteristics, testicular functions, and histological parameters as well as previous sperm retrieval interventions. MATERIALS AND METHODS: We retrospectively reviewed records of 255 patients with nonobstructive azoospermia who underwent micro-TESE between 2011 and 2014...
April 2017: Urology Annals
https://www.readbyqxmd.com/read/28466668/concordance-of-vitamin-d-peripheral-levels-in-infertile-couples-partners
#18
Alessio Paffoni, Stefania Ferrari, Alice Mangiarini, Stefania Noli, Alessandro Bulfoni, Paola Vigano, Fabio Parazzini, Edgardo Somigliana
A large number of evidence supports the role of vitamin D insufficiency in both women and men infertility. However, no studies have evaluated the rate of concordance of vitamin D status between the partners. This finding might open new scenarios in the interpretation of the available data linking vitamin D insufficiency and infertility. In the present cross-sectional study, 103 consecutive infertile couples were recruited between April and May 2014. Both partners concomitantly provided a serum sample for the assessment of 25-hydroxy-vitamin D [25-(OH)-D]...
May 3, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28466478/nos3-gene-variants-and-male-infertility-association-of-4a-4b-with-oligoasthenozoospermia
#19
N L J Vučić, Z Z Nikolić, V D Vukotić, S M Tomović, I I Vuković, S D Kanazir, D L J Savić-Pavićević, G N Brajušković
Results of recent studies confirmed that oxidative stress negatively affects sperm motility and causes sperm DNA damage. Produced by nitric oxide synthase 3 (NOS3), nitric oxide is considered to be one of the important mediators of oxidative stress in testis tissue. The aim of this study was to assess the possible association of three genetic variants (rs2070744, rs1799983 and intron variant 4a/4b) in NOS3 gene and infertility occurrence in two groups of infertile men (idiopathic azoospermia and oligoasthenozoospermia) and fertile controls...
May 3, 2017: Andrologia
https://www.readbyqxmd.com/read/28464846/sequence-variations-of-the-egr4-gene-in-korean-men-with-spermatogenesis-impairment
#20
Se Ra Sung, Seung Hun Song, Kyung Min Kang, Ji Eun Park, Yeo Jung Nam, Yun-Jeong Shin, Dong Hyun Cha, Ju Tae Seo, Tae Ki Yoon, Sung Han Shim
BACKGROUND: Egr4 is expressed in primary and secondary spermatocytes in adult mouse testes and has a crucial role in regulating germ cell maturation. The functional loss of Egr4 blocks spermatogenesis, significantly reducing the number of spermatozoa that are produced. In this study, we examined whether EGR4 variants are present in Korean men with impaired spermatogenesis. METHODS: A total 170 Korean men with impaired spermatogenesis and 272 normal controls were screened...
May 2, 2017: BMC Medical Genetics
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