Disruption of bovine sperm functions in the presence of aplastic midpiece defect.

abstract：:The morphology, ultrastructure, and functions of mature avian spermatozoa have been of immense commercial and scientific interest for several reasons. This is mainly important in case of birds in poultry production, conservation, and in the use of sperm morphometry as phylogenetic evidence. Avian spermatozoa share com...

journal_title：Andrology

authors： Majhi RK,Kumar A,Yadav M,Kumar P,Maity A,Giri SC,Goswami C

更新日期：2016-03-01 00:00:00

abstract：BACKGROUND:Knowledge about Klinefelter syndrome (KS) has increased substantially since its first description almost 80 years ago. A variety of treatment options concerning the spectrum of symptoms associated with KS exists, also regarding aspects beyond testicular dysfunction. Nevertheless, the diagnostic rate is still...

journal_title：Andrology

authors： Zitzmann M,Aksglaede L,Corona G,Isidori AM,Juul A,T'Sjoen G,Kliesch S,D'Hauwers K,Toppari J,Słowikowska-Hilczer J,Tüttelmann F,Ferlin A

更新日期：2021-01-01 00:00:00

abstract：: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 outcom...

journal_title：Andrology

authors： Catford SR,McLachlan RI,O'Bryan MK,Halliday JL

更新日期：2017-07-01 00:00:00

abstract：:Cell-free seminal RNA (cfs-RNA) is mixed transcripts derived from male reproductive organs, and is potential biomarker for the research and diagnosis of male reproductive-related diseases. However, some clinical factors, including age, asymptomatic Ureaplasma urealyticum (UU) infection, scrotal heat stress, abstinence...

journal_title：Andrology

authors： Dong TT,Yu Q,Qing XR,Ma XL,Dong WW,Shi J,Li HG

更新日期：2016-11-01 00:00:00

abstract：BACKGROUND:Men with congenital unilateral absence of vas deferens were reported to be mainly azoospermic, with both unilateral renal absence and mutations in the cystic fibrosis transmembrane conductance regulator (CFTR) but some have neither. OBJECTIVES:To assess whether in infertile couples the male partners with co...

journal_title：Andrology

authors： Mieusset R,Bieth E,Daudin M,Isus F,Delaunay B,Bujan L,Monteil L,Fauquet I,Huyghe E,Hamdi SM

更新日期：2020-05-01 00:00:00

abstract：BACKGROUND:We previously demonstrated how mouse spermatozoa can be efficiently stored for two years in a -80°C freezer, maintaining their ability to fertilize mouse eggs. OBJECTIVES:The main objective here was to evaluate the effects of five years at -80°C compared to liquid nitrogen storage (LN2 , control condition) ...

journal_title：Andrology

authors： Raspa M,Putti S,Paoletti R,Barboni B,Ramal-Sanchez M,Lanuti P,Marchisio M,D'Atri M,Ortolani C,Papa S,Valbonetti L,Bernabo N,Scavizzi F

更新日期：2021-01-11 00:00:00

abstract：:Our objective was to study the birth defect rates in intracytoplasmic morphologically selected sperm injection (IMSI) pregnancies. A cohort of couples presenting male factor infertility between January 2006 and January 2014 was retrospectively analyzed. Discharge letters and a telephone interview were performed for as...

journal_title：Andrology

authors： Hershko-Klement A,Sukenik-Halevy R,Biron Shental T,Miller N,Berkovitz A

更新日期：2016-09-01 00:00:00

abstract：:Peyronie's disease (PD) is an under-diagnosed condition with prevalence in the male population as high as 9%. It is a localized connective tissue disorder of the penis characterized by scarring of the tunica albuginea. Its pathophysiology, however, remains incompletely elucidated. For the management of the acute phase...

journal_title：Andrology

authors： Yafi FA,Pinsky MR,Sangkum P,Hellstrom WJ

更新日期：2015-07-01 00:00:00

abstract：BACKGROUND:Despite existing evidence regarding the role of testosterone as a protective factor for the kidney function in male adults, there are conflicting and inconclusive results on the influence of testosterone deficiency on developing chronic kidney disease (CKD). OBJECTIVE:This study aimed to investigate the inc...

journal_title：Andrology

authors： Amiri M,Ramezani Tehrani F,Rahmati M,Amanollahi Soudmand S,Behboudi-Gandevani S,Sabet Z,Azizi F

更新日期：2020-05-01 00:00:00

abstract：OBJECTIVE:Testicular germ cell tumour (TGCT) is a malignancy with a high heritable component. The inherited risk is polygenic, and around 50 susceptibility genes are identified. The functional role of the gene products for TGCT development is not well understood. The focus of this review is functional studies of geneti...

journal_title：Andrology

authors： Das MK,Kleppa L,Haugen TB

更新日期：2019-07-01 00:00:00

abstract：:Bisphenol A (BPA) is widely used in food contact materials, toys, and other products. Several studies have indicated that effects observed at doses near human exposure levels may not be observed at higher doses. Many studies have shown effects on mammary glands at low doses of BPA, however, because of small number of ...

journal_title：Andrology

authors： Mandrup K,Boberg J,Isling LK,Christiansen S,Hass U

更新日期：2016-07-01 00:00:00

abstract：BACKGROUND:Testicular architecture and sperm production are supported by a complex network of communication between various cell types. These signals ensure fertility by: regulating spermatogonial stem/progenitor cells; promoting steroidogenesis; and driving male-specific differentiation of the gonad. Sertoli cells hav...

journal_title：Andrology

authors： Heinrich A,DeFalco T

更新日期：2020-07-01 00:00:00

abstract：:A recent study has demonstrated that porcine spermatozoa recognize with high affinity carbohydrate structures containing Lewis X motifs. Sperm adhesion to Lewis X is proposed to mediate sperm binding to the oviduct epithelium to form a reservoir. The objective of this study was to identify Lewis X-binding proteins fro...

journal_title：Andrology

authors： Silva E,Frost D,Li L,Bovin N,Miller DJ

更新日期：2017-05-01 00:00:00

abstract：:Tributyltin (TBT), a pesticide used in antifouling paints, is toxic for aquatic invertebrates. In vertebrates, TBT may act in obesogen- inducing adipogenetic gene transcription for adipocyte differentiation. In a previous study, we demonstrated that acute administration of TBT induces c-fos expression in the arcuate n...

journal_title：Andrology

authors： Bo E,Farinetti A,Marraudino M,Sterchele D,Eva C,Gotti S,Panzica G

更新日期：2016-07-01 00:00:00

abstract：:In this study a Bayesian network (BN) has been built for the study of the objective motility of Tinca tinca spermatozoa (spz). Semen from eight 2-year-old sexually mature male tenchs was obtained and motility analyses were performed at 6-17, 23-34 and 40-51 s after activation, using computer-assisted sperm analysis (C...

journal_title：Andrology

authors： Gil Anaya MC,Calle F,Pérez CJ,Martín-Hidalgo D,Fallola C,Bragado MJ,García-Marín LJ,Oropesa AL

更新日期：2015-09-01 00:00:00

abstract：BACKGROUND:Diabetes mellitus is one of the risk factors for male subfertility/infertility. Malaysian propolis is reported to decrease hyperglycaemia in diabetic state. OBJECTIVES:The present study investigated the protective effect of Malaysian propolis on diabetes-induced subfertility/infertility. Additionally, its c...

journal_title：Andrology

authors： Nna VU,Bakar ABA,Ahmad A,Umar UZ,Suleiman JB,Zakaria Z,Othman ZA,Mohamed M

更新日期：2020-05-01 00:00:00

abstract：:Oxidation-reduction potential describes the balance between the oxidants and antioxidants in fluids including semen. Various artificial culture media are used in andrology and IVF laboratories for sperm preparation and to support the development of fertilized oocytes under in vitro conditions. The composition and cond...

journal_title：Andrology

authors： Panner Selvam MK,Henkel R,Sharma R,Agarwal A

更新日期：2018-03-01 00:00:00

abstract：:In cryptorchid boys, failures in germ cell development have been clearly established. Some studies reported some abnormalities in Sertoli cells morphology but the results regarding their endocrine secretion remain controversial. To compare testicular hormone levels in young boys with and without cryptorchidism, we per...

journal_title：Andrology

authors： Hamdi SM,Almont T,Galinier P,Mieusset R,Thonneau P

更新日期：2017-07-01 00:00:00

abstract：:To add new arguments concerning the origin of the sperm-head vacuoles observed under high magnification with interference contrast microscopy, we carried out in two patients with total globozoospermia confirmed using transmission electron microscopy (TEM), a detailed sperm morphometric analysis with high magnification...

journal_title：Andrology

authors： Gatimel N,Léandri RD,Foliguet B,Bujan L,Parinaud J

更新日期：2013-01-01 00:00:00

abstract：:Smoking is strongly associated with abnormalities in histone-to-protamine transition and with alteration of protamine expression in human spermatozoa. A proper protamine to histone ratio is, however, essential for sperm chromatin maturity and DNA integrity. Alterations in these sperm nuclear proteins were observed in ...

journal_title：Andrology

authors： Hamad MF,Shelko N,Kartarius S,Montenarh M,Hammadeh ME

更新日期：2014-09-01 00:00:00

abstract：:Most of the non-obstructive azoospermia (NOA)-patients have only focal spermatogenesis which results in insufficient numbers of spermatozoa to reach the ejaculate. In ≈50% of these NOA-patients testicular sperm extraction (TESE) is successful and intracytoplasmic sperm injection (ICSI) is pursued. We studied whether (...

journal_title：Andrology

authors： Hessel M,de Vries M,D'Hauwers KW,Fleischer K,Hulsbergen-van de Kaa CA,Braat DD,Ramos L

更新日期：2015-05-01 00:00:00

abstract：:Testosterone (T) deficiency, sexual dysfunction, obesity and obstructive sleep apnea (OSA) are common and often coexist. T prescriptions have increased worldwide during the last decade, including to those with undiagnosed or untreated OSA. The effect of T administration on sexual function, neurocognitive performance a...

journal_title：Andrology

authors： Melehan KL,Hoyos CM,Yee BJ,Wong KK,Buchanan PR,Grunstein RR,Liu PY

更新日期：2016-01-01 00:00:00

abstract：BACKGROUND:The presence of miRNAs in human reproductive tissue is intriguing and suggests the possibility that these important regulatory molecules play a role in reproductive function. However, the regulatory role of miRNAs in reproductive tissue remains poorly understood with a significant amount of controversial and...

journal_title：Andrology

authors： Salas-Huetos A,James ER,Aston KI,Carrell DT,Jenkins TG,Yeste M

更新日期：2020-01-01 00:00:00

abstract：:Genomic and protein-coding transcriptomic data have suggested that germ cell tumours (GCTs) of childhood are biologically distinct from those of adulthood. Global messenger RNA profiles segregate malignant GCTs primarily by histology, but then also by age, with numerous transcripts showing age-related differential exp...

journal_title：Andrology

authors： Murray MJ,Nicholson JC,Coleman N

更新日期：2015-01-01 00:00:00

abstract：:Zona pellucida-based induction of acrosome reaction (AR) is a popular and well-accepted hypothesis. However, this hypothesis is being challenged in recent years and it has been proposed that the cumulus cells might be the site of AR. In our previous study, we reported the presence of a synaptic protein Liprin α3 on sp...

journal_title：Andrology

authors： Joshi CS,Khan SA,Khole VV

更新日期：2014-03-01 00:00:00

abstract：:Research in the last decade has revealed that bone is not only a target tissue for numerous circulating hormones but functions as an endocrine organ itself. As a recent study demonstrated a stimulatory effect of the osteoblast-derived hormone osteocalcin (OCN) on testosterone production in mice, we investigated whethe...

journal_title：Andrology

authors： Hannemann A,Breer S,Wallaschofski H,Nauck M,Baumeister SE,Barvencik F,Amling M,Schinke T,Haring R,Keller J

更新日期：2013-05-01 00:00:00

abstract：:Semen quality is suggested to be a universal biomarker for future health. Previous studies have mostly been registry based excluding the possibility to address the importance of lifestyle, fertility status, health and socio-economic status. We aimed to investigate whether the association between semen quality and subs...

journal_title：Andrology

authors： Latif T,Lindahl-Jacobsen R,Mehlsen J,Eisenberg ML,Holmboe SA,Pors K,Brinth L,Skouby SO,Jørgensen N,Jensen TK

更新日期：2018-05-01 00:00:00

abstract：:The published incidence of bilateral varicocoeles in adults is much higher than among adolescents. We investigated our adolescent varicocoele database to determine (i) the presence of subclinical and palpable right varicocoele s in boys with a left varicocoele, (ii) the effect, if any, of right varicocoele on asymmetr...

journal_title：Andrology

authors： Woldu S,Nees S,Van Batavia J,Spencer B,Glassberg K

更新日期：2013-11-01 00:00:00

abstract：:Highly active antiretroviral therapy has evolved over the years, leading to a boost in the quality of life in people living with HIV and AIDS. However, growing evidence has shown that highly active antiretroviral therapy has deleterious effects on the testes and the overall reproductive capacity. Therefore, this study...

journal_title：Andrology

authors： Adana MY,Akang EN,Peter AI,Jegede AI,Naidu ECS,Tiloke C,Chuturgoon AA,Azu OO

更新日期：2018-01-01 00:00:00

abstract：:Humanin (HN) has cytoprotective action on male germ cells after testicular stress induced by heat and hormonal deprivation. To examine whether HN has protective effects on chemotherapy-induced male germ cell apoptosis, we treated four groups of adult rats with (i) vehicle (control), (ii) HN, (iii) cyclophosphamide (CP...

journal_title：Andrology

authors： Surampudi P,Chang I,Lue Y,Doumit T,Jia Y,Atienza V,Liu PY,Swerdloff RS,Wang C

更新日期：2015-05-01 00:00:00