Comparison of different mathematical models to assess seasonal variations in the longevity of DNA integrity of cooled-stored stallion sperm.

abstract：:5alpha-Dihydrotestosterone (DHT), the most powerful naturally occurring androgen, is commercially available since 1982 as a gel. In view of its considerably higher biopotency (three to six times) than of testosterone, side effects, particularly on the main target organ of androgens, the prostate, are anticipated. In f...

journal_title：Andrologia

authors： Sakhri S,Gooren LJ

更新日期：2007-12-01 00:00:00

abstract：:The pre-operative treatment of three adult male transsexuals with the anti-androgen and progestogenic compound cyproterone acetate is reported. When used in combination with cyproterone acetate, only a very small dose of oestrogen is needed to induce feminisation. The effect of this treatment on both testicular and ep...

journal_title：Andrologia

authors： Jequier AM,Bullimore NJ,Bishop MJ

更新日期：1989-09-01 00:00:00

abstract：:The Aurora kinases regulate chromosome segregation and cytokinesis, and alterations in their expression associate with cell malignant transformation. In this study, we demonstrated by qRT-PCR analysis of 14 seminomas that Aurora-A mRNA was, with respect to control tissues, augmented in five of 14 tumour tissues by 2.1...

journal_title：Andrologia

authors： Baldini E,Arlot-Bonnemains Y,Mottolese M,Sentinelli S,Antoniani B,Sorrenti S,Salducci M,Comini E,Ulisse S,D'Armiento M

更新日期：2010-08-01 00:00:00

abstract：:In order to correlate functional and biochemical parameters, frozen bovine sperm samples presenting diverse motility were studied. Specimens collected from four bulls (A, B, C and D) were graded according to motile spermatozoa percentage and vigour, regarding the sample from bull A as highest motility, those from bull...

journal_title：Andrologia

authors： Beorlegui N,Cetica P,Trinchero G,Córdoba M,Beconi M

更新日期：1997-01-01 00:00:00

abstract：:To explore the aetiology of obstructive azoospermia (OA) in Chinese infertility patients, 133 OA patients was included in this study diagnosed and evaluated by one major specialist trained urological infertility. We retrospected the medical records to collect relative information. All of the patients had been underwen...

journal_title：Andrologia

authors： Han H,Liu S,Zhou XG,Tian L,Zhang XD

更新日期：2016-09-01 00:00:00

abstract：:Steroid hormone progesterone has been found to play an important role in the migration of spermatozoa through the reproductive tract, as well as to induce hyperactive motility and increase sperm velocity. The aim of this study was to examine whether progesterone could induce beneficial effects in vitrified and slow-fr...

journal_title：Andrologia

authors： Saymé N,Dite L,Krebs T,Kljajić M,Maas DHA

更新日期：2018-12-01 00:00:00

abstract：:Methylenetetrahydrofolate reductase (MTHFR), the key enzyme of the folate metabolic pathway, has been reported to be five times more active in the testicles compared to other organs in adult mice. The aim of this study was to investigate the relationship between MTHFR c.677C>T and c.1298A>C polymorphisms and infertili...

journal_title：Andrologia

authors： Gurkan H,Tozkır H,Göncü E,Ulusal S,Yazar M

更新日期：2015-11-01 00:00:00

abstract：:Methamphetamine has been reported to be an important drug in the field of reproductive toxicology. The aim of this study was to investigate the effects of methamphetamine administrations on sperm morphology, sperm concentration and apoptotic activity inside seminiferous tubule in male rats. Rats were administered a do...

journal_title：Andrologia

authors： Nudmamud-Thanoi S,Thanoi S

更新日期：2011-08-01 00:00:00

abstract：:In the present study, we aimed to evaluate the effects of dehydroepiandrosterone (DHEA) on apoptosis of testicular germ cells after repair of testicular torsion in rats. Twenty-four adult male Sprague-Dawley rats were randomly divided into four groups, with six rats in each group: sham operation, torsion/detorsion (T/...

journal_title：Andrologia

authors： Yapanoglu T,Aksoy Y,Gursan N,Ozbey I,Ziypak T,Calik M

更新日期：2008-02-01 00:00:00

abstract：:The concentration of sodium and potassium ions was measured by flame photometry in human seminal plasma and human sperm cells as well as in a sperm cell suspension infected experimentally with Ureaplasma urealyticum during incubation as long as 22 hours. The sodium concentration is 86.2 +/- 21.97 mmol/l cells in sperm...

journal_title：Andrologia

authors： Mehl M,Petzoldt R,Engel S,Bollmann R,Köhler W

更新日期：1986-03-01 00:00:00

abstract：:Ten subfertile men affected by idiopathic oligoteratoasthenozoospermia and exhibiting normal serum hormone levels received a long-term treatment with human pure follicle-stimulating hormone (hp-FSH) (150 IU, intramuscularly, three times per week for 6 months). Semen parameters and ultrastructural features of spermatoz...

journal_title：Andrologia

authors： Arnaldi G,Balercia G,Barbatelli G,Mantero F

更新日期：2000-05-01 00:00:00

abstract：:Men with Down syndrome are considered as infertile although the causes of infertility are not known in detail yet. Although this constitutes a general rule there are three confirmed cases of parenting by fathers with Down syndrome. Many investigators have addressed the causes of infertility and their studies indicate ...

journal_title：Andrologia

authors： Stefanidis K,Belitsos P,Fotinos A,Makris N,Loutradis D,Antsaklis A

更新日期：2011-10-01 00:00:00

abstract：:A cryoprotectant-free method was successfully used for rapid freezing of goat epididymal spermatozoa. Lowering sperm volume may increase the temperature exchange rate and improve the freezing output of spermatozoa. The aim of this study was to compare two different packaging types [0.25 ml French straws (FS) and 96-we...

journal_title：Andrologia

authors： Katanbafzadeh H,Barati F,Tabandeh M

更新日期：2015-12-01 00:00:00

abstract：:Although testosterone replacement therapy can restore serum testosterone concentrations to normal level in late-onset hypogonadism patients, whether it can improve patients' quality of life remains uncertain. Therefore, we perform a meta-analysis of randomized controlled trials on this issue. Five randomized controlle...

journal_title：Andrologia

authors： Nian Y,Ding M,Hu S,He H,Cheng S,Yi L,Li Y,Wang Y

更新日期：2017-05-01 00:00:00

abstract：:The aim of this study was to evaluate the production of artefacts during preparation and observation of human sperm for ultrastructural morphology and analyse the possible reasons of causing these artefacts. Under the scanning electron microscopy, damaged sperm heads (crack or/and rupture), necks (head-neck or head-mi...

journal_title：Andrologia

authors： Zhu WJ

更新日期：2018-09-01 00:00:00

abstract：:This trial aimed to assess the efficacy of on-demand oral dapoxetine versus topical lidocaine treatments for lifelong PE. Cases with lifelong PE were randomised to start treatment by oral dapoxetine 60 mg or topical lidocaine 10% spray. The intravaginal ejaculatory latency time (ILET), validated Arabic Index for PE (A...

journal_title：Andrologia

authors： Alghobary M,Gaballah M,El-Kamel MF,State AF,Ismail SR,Selim MK,Mostafa T

更新日期：2020-06-01 00:00:00

abstract：:This study was planned to determine the relationship between semen quality parameters and the levels of biochemical constituents of seminal plasma of Teddy (Capra hircus) buck semen. For this purpose, semen ejaculates were collected from five mature healthy Teddy bucks. All the experimental bucks were kept under natur...

journal_title：Andrologia

authors： Umar S,Ahmad M,Ahmad I,Zubair M,Umar Z,Qureshi AS,Manzoor A,Murtaza A,Shaukat A

更新日期：2018-04-01 00:00:00

abstract：:The aim of this study was to evaluate the hypothalamic-pituitary-gonadal axis functionality on a bodybuilding competitioner before, during and after the use of anabolic-androgenic steroids. A young healthy man was followed up for 4 months. The subject reported his drug administration protocol through periodic intervie...

journal_title：Andrologia

authors： Vilar Neto JO,da Silva CA,Lima AB,Caminha JSR,Pinto DV,Alves FR,Araújo JS,Daher EF

更新日期：2018-11-01 00:00:00

abstract：:Monoclonal and polyclonal antibodies were used in indirect immunofluorescence microscopy to localize vimentin intermediate filaments in the rat seminiferous epithelium. During stages XII-V of the epithelial cycle, the Sertoli cells showed a reaction in the perinuclear area and vimentin-positive extensions, projecting ...

journal_title：Andrologia

authors： Mali P,Virtanen I,Parvinen M

更新日期：1987-11-01 00:00:00

abstract：:For patients with threatened fertility, preservation of it is a major concern. Although promising results have been obtained in animal models using testicular germ cell suspensions, in humans, it is crucial to first develop an efficient method of cryopreservation to be able to apply to transplantation. Thus, four reli...

journal_title：Andrologia

authors： Sá R,Cremades N,Malheiro I,Sousa M

更新日期：2012-12-01 00:00:00

abstract：:This study was conducted to evaluate the effects of ivermectin (IVM) with therapeutic dose (injected with 0.56 mg/kg b.wt.) either alone or combined with alpha lipoic acid (ALA) (50 mg/kg b.wt daily) on expression of testicular insulin-like growth factor binding protein-3 (IGFBP-3) and heat-shock protein A1 (HSPA1)) g...

journal_title：Andrologia

authors： El-Maddawy ZK,Abd El Naby WSH

更新日期：2018-04-01 00:00:00

abstract：:Flutamide is a steroid used to treat androgen-dependent disorders and as antiepileptic, but it induces a number of non-desirable side effects. This work was aimed at assaying the effect of flutamide and two novel synthetic steroids on the levels of GABA, glutamine and oxidative stress markers. Male Wistar rats (weight...

journal_title：Andrologia

authors： Calderón Guzmán D,Bratoeff E,Ramírez López E,Hernández García E,Pierdant Rioja F,Osnaya Brizuela N,Trujillo Jiménez F,Barragán Mejía G,Juárez Olguín H,Santamaría Del Ángel D

更新日期：2011-08-01 00:00:00

abstract：:The aim of this study was to evaluate the structural changes in testicles of the patients with varicocele by strain elastography (SE) and to identify the relationship between semen analysis and hormone levels considering SE results. The patients were separated into two groups as varicocele and control, according to th...

journal_title：Andrologia

authors： Bitkin A,Başak Ozbalci A,Aydin M,Keles M,Akgunes E,Atilla MK,Irkilata L

更新日期：2019-02-01 00:00:00

abstract：:Varicocele is one of the leading causes of male infertility in which oxidative stress induces DNA damages in spermatozoa of patients with varicocele. Recent studies indicated that the treatment with antioxidant agents has protective effects against the formation of reactive oxygen species (ROS). Our research aimed to ...

journal_title：Andrologia

authors： Dolatkhah MA,Shokoohi M,Charvandeh S,Tvrda E,Shoorei H,Moghimian M,Alihemmati A

更新日期：2020-12-01 00:00:00

abstract：:The prime concern of the present work was the analysis of dermatoglyphic patterns in infertile patients presenting with clinically detectable varicocele. In a controlled study conducted on 30 patients and utilizing a slight modification of the original ink method of Cummins and Midlo, the dermatoglyphics on terminal p...

journal_title：Andrologia

authors： Salam EA,Hafiez AR,El Kerdasi Z,Aiad F,Mahmoud KZ

更新日期：1984-03-01 00:00:00

abstract：:Efficacy and safety of testosterone gel 2% (TG) were evaluated in two phase 3, open-labelled, single-arm, multicentre studies (000023 and extension study 000077). Hypogonadal men having serum testosterone levels <300 ng/dl at two consecutive measurements were included. Study duration was 9 months (000023: 3 months; 00...

journal_title：Andrologia

authors： Belkoff L,Brock G,Carrara D,Neijber A,Ando M,Mitchel J

更新日期：2018-02-01 00:00:00

abstract：:Azoospermia factor (AZF) genes on the long arm of the human Y chromosome are involved in spermatogenesis, and microdeletions in the AZF region have been recognised to be the second major genetic cause of spermatogenetic failure resulting in male infertility. While screening for these microdeletions can avoid unnecessa...

journal_title：Andrologia

authors： Zhu XB,Gong YH,He J,Guo AL,Zhi EL,Yao JE,Zhu BS,Zhang AJ,Li Z

更新日期：2017-06-01 00:00:00

abstract：:Pesticides can be toxic to desirable plants and animals, including humans. The aim of this study was to investigate the reproductive effects of low doses of pesticides on male offspring of exposed pregnant mice. Three groups of five female mice were treated daily by oral gavage with dimethoate (5 mg kg(-1) per day), d...

journal_title：Andrologia

authors： Ben Slima A,Ben Abdallah F,Keskes-Ammar L,Mallek Z,El Feki A,Gdoura R

更新日期：2012-05-01 00:00:00

abstract：:Idiopathic oligoathenoteratozoospermia (iOAT) is a common finding in the evaluation of male infertility. Oxidative stress (OS) may underlie its pathology. Tamoxifen and l-carnitine are used to treat idiopathic male infertility. The aim of this work was to detect the efficacy of tamoxifen and l-carnitine on sperm param...

journal_title：Andrologia

authors： Nada EA,El Taieb MA,Ibrahim HM,Al Saied AE

更新日期：2015-09-01 00:00:00

abstract：:Iatrogenic obstruction of the vas deferens within the inguinal canal can be managed by direct on-site vasovasostomy. However, in cases with large defect of the vas, the anastomosis may be under tension. Dissecting through the site of a previous hernia repair is tedious, and may lead to recurrence of the hernia. The pr...

journal_title：Andrologia

authors： Shaeer OK,Shaeer KZ

更新日期：2004-10-01 00:00:00