Effect of hypothyroidism on the testes in mature rats and treatment with levothyroxine and zinc.

abstract：:EPON labelled with bromide was used to embed ejaculated rabbit spermatozoa, with the hypothesis that it replaces cell water. X-Ray spectrophotometric microanalysis of sperm nuclei, of egg yolk (an internal standard containing roughly 50% water) and of surrounding embedding resin, revealed that a part of the bromide wa...

journal_title：Andrologia

authors： Ekwall H,Plöen L,Courtens JL

更新日期：1995-05-01 00:00:00

abstract：:The epididymis responds to adverse conditions of misshapen spermatozoa resulting from pathological changes or toxic insults by secretion of a dense matrix that segregates the latter for complete disintegration and dissolution. The objective of this study was to find the source of this matrix and the role-player of dis...

journal_title：Andrologia

authors： Faisal K,Akbarsha MA

更新日期：2021-02-01 00:00:00

abstract：:The aim of this study was to investigate possible ultrasound seminal vesicle (SV) changes in infertile patients with 'hypertrophic-congestive' (HCUF) or 'fibro-sclerotic' (FSUF) ultrasound form of male accessory gland infection (MAGI) after prolonged administration of tadalafil (TAD), a selective phosphodiesterase-5 i...

journal_title：Andrologia

authors： La Vignera S

更新日期：2013-12-01 00:00:00

abstract：:Flutamide, a pure antiandrogen, increases the levels of plasma luteinizing hormone but antagonizes the biological expression of androgen on target organs. Flutamide was administered to rats to study the effect of altered availability of hormones on the functional status of epididymis. The weights of ventral prostate, ...

journal_title：Andrologia

authors： Mukherjee M,Chattopadhyay S,Mathur PP

更新日期：1992-03-01 00:00:00

abstract：:Nonorganic erectile dysfunction is a problem with unknown central mechanisms. Changes in brain activity in the amygdala have been observed in human patients. This study aimed to investigate the dopamine system in the basolateral amygdala of male rats with nonorganic erectile dysfunction. We applied chronic mild stress...

journal_title：Andrologia

authors： Chen G,Chen J,Yang B,Yu W,Chen Y,Dai Y

更新日期：2019-02-01 00:00:00

abstract：:Retraction: 'Aetiology and clinical profile of children with 46, XY differences of sex development at an Indian referral centre' by Vasundhera Chauhan, Rima Dada, Vandana Jain The above article, published online on 8 August 2016 in Wiley Online Library (http://wileyonlinelibrary.com), has been retracted by agreement b...

journal_title：Andrologia

authors： Chauhan V,Dada R,Jain V

更新日期：2017-11-01 00:00:00

abstract：:Our aim was to establish the Estonian version of the National Institutes of Health chronic prostatitis symptom index (NIH-CPSI), and to examine its validity and applicability in chronic prostatitis patients as well as in community-based study. The questionnaire was tested in 54 category III prostatitis patients. In ad...

journal_title：Andrologia

authors： Korrovits P,Punab M,Mehik A,Mändar R

更新日期：2006-06-01 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：: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 compare the effectiveness of antioxidants including cysteamine (2.5, 7.5 mm), hyaluronan (0.25, 1 mg ml(-1) ) and fetuin (5, 10 mg ml(-1) ) in the freezing of Brown Swiss bull semen. The best percentages of CASA motilities were achieved with 10 mg ml(-1) of fetuin and 2.5 mm of cysteamine....

journal_title：Andrologia

authors： Sarıözkan S,Tuncer PB,Büyükleblebici S,Bucak MN,Cantürk F,Eken A

更新日期：2015-03-01 00:00:00

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 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：:Psychological stress is a known aetiology of infertility. However, the mechanisms translating it to reproductive dysfunction are not fully elucidated. Three experiments were performed on Wistar rats were designed to evaluate Sertoli cell function under stress. In Experiment I, rats were randomised into three groups: s...

journal_title：Andrologia

authors： Medubi LJ,Akinola OB,Oyewopo AO

更新日期：2021-01-19 00:00:00

abstract：:Spermatozoa of six men with normozoospermia, oligozoospermia and teratozoospermia were capacitated in vitro in modified Tyrode's medium und evaluated for acrosome reaction using the recently described triple-stain technique. The resulting kinetics illustrate the different capacitation behaviour and ability of spermato...

journal_title：Andrologia

authors： Töpfer-Petersen E,Heissler E,Schill WB

更新日期：1985-05-01 00:00:00

abstract：:The cooperation in cases of childlessness between andrologists and gynecologists is an essential of any treatment. In a short communication it was shown that a special investigation form can be helpful for reciprocal information. This investigation form improves the information rate form 10% to 30%. In some cases the ...

journal_title：Andrologia

authors： Schirren C

更新日期：1987-11-01 00:00:00

abstract：:A careful history and evaluation of men with chronic orchialgia elucidates the aetiology in some men to be a hyperactive cremaster muscle reflex with testicular retraction as the cause. The objective is to evaluate outcomes in men who underwent microsurgical subinguinal cremaster muscle release (MSCMR) with a retrospe...

journal_title：Andrologia

authors： Kavoussi PK

更新日期：2020-02-01 00:00:00

abstract：:Leydig cell function, as judged from testosterone concentrations in plasma and in testicular tissue after LH stimulation, was tested in adult rat testes 4 days after brief exposure of the scrotum to 33 degrees and 43 degrees C, respectively. There was no significant difference in basal plasma testosterone concentratio...

journal_title：Andrologia

authors： Damber JE,Bergh A,Janson PO

更新日期：1980-01-01 00:00:00

abstract：:Little is known about the biological and clinical significance of bilaterally enlarged testes (bilateral megalotestes or macroorchidism). We have investigated clinical, endocrine and spermatological characteristics of 135 andrological patients with a testicular volume of more than 25 ml bilaterally. 135 patients with ...

journal_title：Andrologia

authors： Meschede D,Behre HM,Nieschlag E

更新日期：1995-07-01 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：:In cases of azoospermia especially after vasectomy the investigation of the seminal sediment investigation is necessary. Exclusive on this way it is possible to find some side dispersed spermatozoa. The described case deals with a pregnancy about 48 days following vasectomy. Postoperative the sperm sediment investigat...

journal_title：Andrologia

authors： Schirren C

更新日期：1984-07-01 00:00:00

abstract：:The aim of this study was to find discriminatory parameters, based on sperm characteristics on the day of ovum pickup, that can help guide the decision to perform either intracytoplasmic sperm injection (ICSI) or in vitro fertilisation (IVF). We evaluated 112 cycles fertilised with both regular and ICSI insemination d...

journal_title：Andrologia

authors： Wiser A,Ghetler Y,Gonen O,Piura E,Berkovits A,Itskovich A,Rom T,Shulman A

更新日期：2012-04-01 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 rate of increase of sperm DNA fragmentation (rsDF) in fresh and frozen-thawed and processed sperm samples after a density gradient for sperm selection was analysed after 0, 0.5, 1.5, 4.5, 6, 24, 48 and 72 h of incubation at 37 °C, in five donors with proven fertility. The results showed that: (i) sperm DNA fragmen...

journal_title：Andrologia

authors： Gosálvez J,Núñez R,Fernández JL,López-Fernández C,Caballero P

更新日期：2011-12-01 00:00:00

abstract：:To explore the correlation between SERT expression and sexual activities and seek the possible mechanism of SERT in regulating ejaculations, we analysed the sexual activities and biochemical characteristics of five measured neural regions in three rat genotypes (SERT-/- , SERT+/- and SERT+/+ ). The results showed the ...

journal_title：Andrologia

authors： Geng H,Peng D,Huang Y,Tang D,Gao J,Zhang Y,Zhang X

更新日期：2019-08-01 00:00:00

abstract：:Microscopy has been used in the routine evaluation of sperm metabolism. Nevertheless, it has limited capacity to preview male fertility. As calorimetry may be used to evaluate directly the metabolic activity of a biological system, the aim of this study was to use microcalorimetry as an additive method for sperm metab...

journal_title：Andrologia

authors： Vasconcelos AB,Santana MA,Santos AM,Santoro MM,Lagares MA

更新日期：2010-04-01 00:00:00

abstract：:After a single injection of serum gonadotrophin (PMSG) at the dose of 15 IU/kg, i.m. into rams testosterone in the plasma of blood showed a significant rise between 4th and 7th day post-injection. At the same time (4th-7th day) the plasminogen activator activity (PAA) in seminal plasma was found to be increased, but t...

journal_title：Andrologia

authors： Rekkas C,Belibasaki S,Taitzoglou I,Kokolis N,Smokovitis A

更新日期：1991-07-01 00:00:00

abstract：:The effects of incubation with caffeine at final concentration of 0.5 and 5.0 mM for 30 min at ambient temperature were examined in three normal semen samples and three from asthenozoospermic men. A 50 frames/s microcinematographic analysis of the sperm motility was performed and two characteristic parameters of the t...

journal_title：Andrologia

authors： Serres C,Feneux D,David G

更新日期：1982-09-01 00:00:00

abstract：:Natriuretic peptide (NP) family is composed of atrial, brain and C-type NP (NPPA, NPPB and NPPC). Here, we aimed to investigate NP expression in testis and epididymis during postnatal development. NPPA expression was observed in gonocytes at prepubertal period but in only spermatocytes in pachytene and leptotene/zygot...

journal_title：Andrologia

authors： Özbek M,Hitit M,Öztop M,Beyaz F,Ergün E,Ergün L

更新日期：2019-11-01 00:00:00

abstract：:Although feeding diets containing the extract powder of Lepidium meyenii (maca), a plant growing in Peru's Central Andes, increases serum testosterone concentration associated with enhanced ability of testosterone production by Leydig cells in male rats, changes in testicular steroidogenesis-related factors by the mac...

journal_title：Andrologia

authors： Ohta Y,Kawate N,Inaba T,Morii H,Takahashi K,Tamada H

更新日期：2017-12-01 00:00:00

abstract：:Nerve growth factor (NGF), which is required for the survival and differentiation of the nervous system, has been proved to play important roles in male reproductive physiology. Several studies have focused on the roles of NGF in the testes. However, no study has reported on the mechanism of paracrine and autocrine ac...

journal_title：Andrologia

authors： Jiang YW,Zhao Y,Chen SX,Chen L,Li CJ,Zhou X

更新日期：2018-02-01 00:00:00