Electrophoretic characterization of mouse epididymal esterases in inbred lines and in a natural population.

abstract：:The acrosome is a secretory vesicle located in the sperm head. The acrosome reaction consists in the fusion of the sperm plasma membrane with the external acrosomal membrane. It has been observed that this reaction does not take place in spermatozoa incubated in cervical mucus, hydrogel that contains high concentratio...

journal_title：Andrologia

authors： Vigil P,Toro A,Godoy A

更新日期：2008-06-01 00:00:00

abstract：:In mice, chronic administration of crude marihuana extract (CME), delta-9-tetrahydrocannabinol (THC), cannabidiol (CBD) and cannabinol (CBN) (50 mg kg-1 body weight for 15 and 35 days) impaired spermatogenesis at both mitotic and meiotic stages. Although the total number of step 7 spermatids was unaltered, mature sper...

journal_title：Andrologia

authors： Patra PB,Wadsworth RM

更新日期：1991-03-01 00:00:00

abstract：:MAGI is the inflammation of the accessory male glands that notoriously exerts a negative influence on male fertility. The diagnosis is integrated by clinical, laboratory and ultrasound evaluation. In particular, the ultrasound criteria were published in 1999. The aim of this study was to analyse the sensitivity and sp...

journal_title：Andrologia

authors： La Vignera S,Calogero AE,Condorelli RA,Vicari LO,Catanuso M,D'Agata R,Vicari E

更新日期：2012-05-01 00:00:00

abstract：:Tramadol, one of the most commonly abused drugs in Middle East, impacts spermatogenesis and disturbs reproductive hormones in animal studies. We aimed to investigate tramadol impact on sperm quality and on levels of testosterone, prolactin and gonadotropins, in tramadol abusers (n = 30) to age-matched control (n = 30)...

journal_title：Andrologia

authors： Farag AGA,Basha MA,Amin SA,Elnaidany NF,Elhelbawy NG,Mostafa MMT,Khodier SA,Ibrahem RA,Mahfouz RZ

更新日期：2018-08-01 00:00:00

abstract：:In sows, the oviductal sperm-binding glycoprotein (SBG), which binds to the periacrosomal region of boar sperm, has been shown to be involved in sperm selection. In this work, we isolated porcine sperm proteins that interact with SBG. One of them is identified as a homologue of human S100A7 (psoriasin). Anti-human S10...

journal_title：Andrologia

authors： Teijeiro JM,Marini PE

更新日期：2012-05-01 00:00:00

abstract：:The percentage of y chromatin positive spermatozoa had been determined using the fluorescence microsopce technique. After staining procedure with Atebrin we counted 44.1 (+/- 3.9)% y poistive sperms, after staining with Quinacrine mustard the amount was 48,4 (+/- 4,3)%. With statistical methods we examined the correla...

journal_title：Andrologia

authors： Kaiser R,Herrmann WP,Broer KH,Fischer W

更新日期：1977-01-01 00:00:00

abstract：:Previous studies have shown that alpha1-adrenergic receptor antagonists may alter seminal vesicle contractility and impair fertility in male rats. This study was designed to investigate the effects of terazosin on the catalase expression in the seminal vesicles and the lipid peroxidation of the seminal fluid in normal...

journal_title：Andrologia

authors： Mitropoulos D,Patris E,Deliconstantinos G,Kyroudi-Voulgari A,Anastasiou I,Perea D

更新日期：2013-04-01 00:00:00

abstract：:Interchromosomal effect is a controversial phenomenon postulating that during gametogenesis of translocation carriers, aside from the unbalanced segregation of chromosomes involved in the translocation, other, structurally normal chromosomes might also be affected and segregated abnormally. Here, we present a balanced...

journal_title：Andrologia

authors： Yıldırım MS,Arslan AB,Zamani AG

更新日期：2021-02-01 00:00:00

abstract：:Based on cytological criteria, three types of A-Spermatogonia may be distinguished in the germinal epithelium of normal men. Cells belonging to Type I conform to A pale spermatogonia and those classified as Type II conform to A dark-spermatogonia according to Clermont ()963). Type III-spermatogonia do not meet the cri...

journal_title：Andrologia

authors： Schulze W

更新日期：1978-07-01 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：:Residues of chlorinated pesticides--HCB, alpha-, beta-, gamma-, delta-, epsilon-HCH isomers, heptachlor epoxide, DDE and DDT isomers in bilateral testicular biopsy material were determined in gas liquid chromatography with electron capture detector (GLC-ECD). The average levels of chlorinated pesticides residues occur...

journal_title：Andrologia

authors： Szymczynski GA,Waliszewski SM

更新日期：1983-11-01 00:00:00

abstract：:Administration of indomethacin exhibited antigonadal action by inhibiting the Leydig cells, sex-accessories and spermatocyte-spermatid conversion process. Administration of PGE2 or PGF2 alpha had no effect on Leydig cell nuclear volume or accessory organ weights, but PGE2 had a restorative effect on the efficiency of ...

journal_title：Andrologia

authors： Sanyal S,Patra PB,Nag S,Biswas NM

更新日期：1980-03-01 00:00:00

abstract：:This short review summarizes some recent findings on arylhydrocarbon (dioxin) receptor expression during early pregnancy in mammals. The arylhydrocarbon receptor is a ligand-activated transcription factor and was originally described as a mediator of the toxic effects of dioxins and other chlorinated hydrocarbons such...

journal_title：Andrologia

authors： Fischer B

更新日期：2000-09-01 00:00:00

abstract：:The protein kinase in the human seminal plasma, as assayed by its ability to catalyze the transfer of phosphate from [gama-32P]ATP to the protamine, was found to linearly increase with dilution of the seminal plasma. Extrapolation of the enzyme activity to the undiluted seminal plasma indicated that te protein kinase ...

journal_title：Andrologia

authors： Panyim S

更新日期：1981-07-01 00:00:00

abstract：:The androgen receptor (AR) is a ligand-activated transcription factor member of the nuclear receptor superfamily. The existence of alternatively spliced variants is well recognised for several members of this superfamily, most of them having functional importance. For example, several testicular oestrogen receptor var...

journal_title：Andrologia

authors： Laurentino SS,Pinto PI,Tomás J,Cavaco JE,Sousa M,Barros A,Power DM,Canário AV,Socorro S

更新日期：2013-06-01 00:00:00

abstract：:We aimed to determine the protective effects of thymoquinone (TQ), against ischaemia-reperfusion (I/R) injury in the testis tissue of rats. Twenty-seven male Wistar albino rats were randomly divided into three equal groups as follows: Group I, sham group; Group II, torsion group; and Group III, torsion + thymoquinone ...

journal_title：Andrologia

authors： Ayan M,Tas U,Sogut E,Caylı S,Kaya H,Esen M,Erdemir F,Uysal M

更新日期：2016-03-01 00:00:00

abstract：:For the 13 abnormalities under consideration, the mean percentages were found to be the following: irregular head (15.2), microcephalic (9.8), elongated head (5.9), coiled tail (5.8), bent tail (4.7), thin head (4.6), cytoplasmic remains (3.2), macrocephalic (1.6), short tail (1.1), no tail (0.6), duplicate tail (0.5)...

journal_title：Andrologia

authors： Schwartz D,Mayaux MJ,Guihard-Moscato ML,Spira A,Jouannet P,Czyglik F,David G

更新日期：1984-09-01 00:00:00

abstract：:A procedure was designed for purification of a human seminal plasma-specific antigen (HSP-antigen) identified by a monoclonal antibody produced in this laboratory (mAb 4E6). Pooled human seminal plasma was fractionated by consecutively applied methods: affinity chromatography on Lentil lectin sepharose, gel chromatogr...

journal_title：Andrologia

authors： Dimitrova D,Kehayov I,Kyurkchiev S

更新日期：1993-09-01 00:00:00

abstract：:This prospective-cohort study aimed at investigating the influence of paternal lifestyle factors on semen parameters and intracytoplasmic sperm injection (ICSI) outcomes. The influence of paternal lifestyle factors on seminal quality and ICSI outcomes was investigated in male patients undergoing conventional semen ana...

journal_title：Andrologia

authors： Borges E Jr,Braga DPAF,Provenza RR,Figueira RCS,Iaconelli A Jr,Setti AS

更新日期：2018-11-01 00:00:00

abstract：:Testicular torsion/detorsion induces oxidative/nitrosative stress, inflammation and apoptosis of testicular tissues. Baicalin exerts antioxidant and anti-inflammatory properties. This study investigated the possible protective effect of baicalin against testicular torsion-detorsion injury in rats. Surgical testicular ...

journal_title：Andrologia

authors： Fouad AA,Qutub HO,Jresat I

更新日期：2017-02-01 00:00:00

abstract：:Solasodine obtained from the Solanum xanthocarpum berries was administered to Rhesus monkeys for 150 days to evaluate their effect on testicular cell population dynamics. Solasodine brings about an interference with spermiogenesis at the stage XII of late spermatids. The spermatids were decreased by 69% (P less than 0...

journal_title：Andrologia

authors： Dixit VP,Gupta RS,Gupta S

更新日期：1989-11-01 00:00:00

abstract：:The aim of this study was to investigate the underlying mechanism of androgen deficiency inducing corporal fibrosis, thereby causing erectile dysfunction (ED). Forty 12-week-old healthy male rats were divided randomly into four groups: normal control group (Control); castration group (Castration); the other 20 rats we...

journal_title：Andrologia

authors： Cui K,Li R,Chen R,Li M,Wang T,Yang J,Chen Z,Wang S,Liu J,Rao K

更新日期：2018-02-01 00:00:00

abstract：:The numbers of Sertoli and pre-meiotic germ cells in the developing rabbit testis were investigated as an initial step in determining the physiological meaning of the control of cell number in the testis by apoptosis. Sections were stained immunohistochemically for the detection of apoptotic cells and counterstained w...

journal_title：Andrologia

authors： Hayashi T,Kageyama Y,Ishizaka K,Kihara K,Oshima H

更新日期：2002-02-01 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：: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：:There is growing concern that abnormalities in male reproductive health are becoming more frequent. The most fundamental change has been the striking decline in sperm counts and semen quality. The effect of maternal exposure of rats to the oestrogenic environmental substance p-nonylphenol (p-NP) was determined in this...

journal_title：Andrologia

authors： de Jager C,Bornman MS,Oosthuizen JM

更新日期：1999-03-01 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 association of dietary nutrient patterns and sperm motility is not yet well elucidated, and previous studies have just focused on the isolated nutrients. This case-control study examined the association of nutrient patterns with asthenozoospermia among Iranian men. In total, 107 incident asthenozoospermic men and ...

journal_title：Andrologia

authors： Eslamian G,Amirjannati N,Rashidkhani B,Sadeghi MR,Hekmatdoost A

更新日期：2017-04-01 00:00:00

abstract：:Next to clinical investigations, the evaluation of male fertility relies mainly on detailed sperm analyses, for example, cell counting, motility, cell morphology and vitality testing. The manual creation of a spermiogram is time- and material-consuming. Therefore, reliable high-throughput systems that may be substitut...

journal_title：Andrologia

authors： Engel KM,Grunewald S,Schiller J,Paasch U

更新日期：2019-02-01 00:00:00

abstract：:Semen samples of 24 patients were analysed. Volumes were measured and the numbers of progressively motile (PMS), motile (MS) and nonmotile spermatozoa (NMS) were determined. These 24 samples appeared to show a large variation in motility percentages and numbers. Spermatozoa of these semen samples were isolated from th...

journal_title：Andrologia

authors： Rhemrev JP,Vermeiden JP,Haenen GR,De Bruijne JJ,Rekers-Mombarg LT,Bast A

更新日期：2001-05-01 00:00:00