Cytochemical study on human spermatozoa metabolism during in vitro capacitation.

abstract：:Shilajit is claimed as a Vajikarak (aphrodisiac) and used for the treatment of male infertility by traditional healers of the Indian subcontinent. Therefore, the present investigation was designed to assess the effectiveness of Shilajit for treatment of male infertility resulting from exposure to perilous chemicals. E...

journal_title：Andrologia

authors： Mishra RK,Jain A,Singh SK

更新日期：2018-10-01 00:00:00

abstract：:The acrosome reaction of human spermatozoa was induced by changes of temperature. Spermatozoa were collected from fertile donors and a patient group, and selected by the "swim-up" method. The spermatozoa were treated in two different ways: Protocol I: 24 hours at room temperature followed by additional incubation at 3...

journal_title：Andrologia

authors： Sanchez R,Toepfer-Petersen E,Aitken RJ,Schill WB

更新日期：1991-05-01 00:00:00

abstract：:Over the past decades, there is an increasing number of association studies of telomere length (TL) and the risk and recurrence of prostate cancer (PCa), but the results are inconsistent. Hence, we identify the relevant studies published in English on or before 10 January 2019 conducting a literature review in the ele...

journal_title：Andrologia

authors： Hu R,Hua XG,Jiang QC

更新日期：2019-08-01 00:00:00

abstract：:The sex chromosome-discordant chimerism 46,XX/46,XY is rarely found in humans with a phenotypically normal appearance, and this lack of phenotypic changes and the rarity of chimerism make it difficult to identify its exact incidence. Here, we report a case of this sex chromosome-discordant chimerism diagnosed by cytog...

journal_title：Andrologia

authors： Choi EJ,Kim SR,Kim YJ,Kang SM,Kim GY,Kim JH,Lee YJ

更新日期：2019-04-01 00:00:00

abstract：:Androgen insensitivity syndrome (AIS) is an X-linked disorder due to mutations of androgen receptor (AR) gene. Various AR mutations have been identified, and the characterisation of these mutations greatly facilitates our understanding of AR structure-function. In this study, we have analysed an AR missense mutation (...

journal_title：Andrologia

authors： Cai J,Cai LQ,Hong Y,Zhu YS

更新日期：2012-05-01 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

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：:Air pollution constitutes the largest cause of environmental risks today. At present, no scientific publication linking environmental black soot and derangement in the hypothalamus and testis of rats exists. This study investigated the effect of black soot exposure on hypothalamic and testicular functions of male rats...

journal_title：Andrologia

authors： Onyeso G,Bohr EL,Nkpaa KW,Amadi PN,Ugwu AC

更新日期：2020-12-01 00:00:00

abstract：:In a controlled double blind trial the effectiveness and tolerability of Kallikrein in patients suffering from astheno-oligozoospermia was examined in comparison to placebo. 30 patients with astheno-oligozoospermia of idiopathic origin entered the study; they were subdivided into two homogeneous groups of 15 patients ...

journal_title：Andrologia

authors： Izzo PL,Canale D,Bianchi B,Meschini P,Esposito G,Menchini Fabris GF,Fasani R,Ohnmeiss H

更新日期：1984-03-01 00:00:00

abstract：:The authors present the histological features of the testes in 1,609 cases of male sterility. In 485 cases (30.1%), histological changes were found, which did not warrant treatment. The histologic pattern of the testes was normal in only 39% of the cases of azoospermia; and only these patients were qualified for surge...

journal_title：Andrologia

authors： Janczewski Z,Bablok L

更新日期：1978-09-01 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：:To improve the boar sperm cryopreservation process, the influence of the sugar (lactose, trehalose) source and the cryoprotectant [glycerol, dimethylformamide (DMF)] on the success of freezing was investigated. Sperm samples were frozen in one of six extenders: lactose plus 3% glycerol (LG); lactose plus 1.5% glycerol...

journal_title：Andrologia

authors： Malo C,Gil L,Cano R,Martínez F,García A,Jerez RA

更新日期：2012-05-01 00:00:00

abstract：:The role of opioidergic system in controlling gonadotropin secretion in elderly men still remains uncertain. In the present study, we attempted to examine the opioidergic inhibitory tone imposed on GnRH release mechanism in elderly men by monitoring the plasma gonadotropin response to the opiate receptor antagonist na...

journal_title：Andrologia

authors： Mikuma N,Kumamoto Y,Maruta H,Nitta T

更新日期：1994-01-01 00:00:00

abstract：:The adult human Sertoli cells produced lactate, estradiol-17beta, transferrin and inhibin; germ cells modulate synthesis of these compounds. In order to study the functional features of human Sertoli cells in vitro, the aim of this study was to measure the lactic dehydrogenase (LDH), gamma-glutamyl transpeptidase (GGT...

journal_title：Andrologia

authors： Carreau S,Drosdowsky MA,Foucault P

更新日期：1996-03-01 00:00:00

abstract：:Approximately between 9 and 19 years of age 28 adolescents with one and 26 with both retractile testicles were andrologically examined and followed up. Retractile gonads during puberty often remained of subnormal size with the long axis shorter than 34 mm. In both groups in 50 to 60% of cases low sperm values were asc...

journal_title：Andrologia

authors： Raboch J,Pondĕlicková J

更新日期：1988-09-01 00:00:00

abstract：:Several studies have shown that high oxidative stress levels are associated with varicocele. The GST (glutathione S-transferase) family of genes is critical in the protection of cells from oxidative stress because they utilise as substrates a wide variety of products of oxidative stress. The objective of this study wa...

journal_title：Andrologia

authors： Acar H,Kılınç M,Guven S,Inan Z

更新日期：2012-02-01 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：:The incretory testicular function was tested in 21 patient with varicocele aged 19 to 39 years. In one group baseline testosterone was measured, while a second group received a single injection of 5000 IU HCG. Testosterone was studied in peripheral plasma in the spermatic vein and in testicular tissue. Baseline values...

journal_title：Andrologia

authors： Pirke KM,Vogt HJ,Sintermann R,Spyra B

更新日期：1983-11-01 00:00:00

abstract：:We evaluated the reproductive potential of frozen/thawed testicular spermatozoa of azoospermic men with left varicocele. The role of testicular tissue telomerase assay (TTA) in the prediction of the presence of testicular spermatozoa pre- and post-varicocelectomy was investigated, as well. Therapeutic testicular biops...

journal_title：Andrologia

authors： Giannakis D,Baltogiannis D,Tsoukanelis K,Loutradis D,Miyagawa I,Makrydimas G,Kanakas N,Sofikitis N

更新日期：2004-06-01 00:00:00

abstract：:Esterase isozymes were studied in mouse epididymis of two inbred strains (C57BL, DBA/2) and in a natural population (Swiss OF1), by using vertical polyacrylamide gel electrophoresis and staining with alpha or beta-naphthyl acetate as a substrate. Eighteen (C57BL), 17 (DBA/2) or 16 (Swiss OF1) epididymal isozymes were ...

journal_title：Andrologia

authors： Abou-Haila A,Fain-Maurel MA

更新日期：1986-11-01 00:00:00

abstract：:The aim of the study was to examine the effects of two-year testosterone replacement therapy on cognitive functioning, emotional state and quality of life in young and middle-aged men with hypogonadotropic hypogonadism. Nineteen males diagnosed with hypogonadotropic hypogonadism participated in the study. Cognitive fu...

journal_title：Andrologia

authors： Lašaitė L,Čeponis J,Preikša RT,Žilaitienė B

更新日期：2017-04-01 00:00:00

abstract：:Sperm morphology has been consistently correlated with fertilisation success or failure. The clinical relevance of the percentage normal spermatozoa has been a widely discussed topic amongst infertility specialists and scientists. This study aimed to evaluate the role of sperm morphology as an indicator of additional ...

journal_title：Andrologia

authors： Franken DR

更新日期：2015-08-01 00:00:00

abstract：:This study aimed to evaluate the effect of N-acetyl cysteine on the male reproductive system and consensus and classification of data found from previous studies. It is undeniable that N-acetyl cysteine as a powerful antioxidant compound can medicate many diseases such as cardiovascular, kidney, liver and reproductive...

journal_title：Andrologia

authors： Ghafarizadeh A,Malmir M,Naderi Noreini S,Faraji T

更新日期：2021-02-01 00:00:00

abstract：:In this study we determined the effect of reactive oxygen species (ROS) generation during incubation in media at 39 degrees C on ram spermatozoa and the protection by exogenously added antioxidant enzyme, superoxide dismutase (SOD). A novel Cu/Zn-SOD, isolated from the fungal strain Humicola lutea 103 (HLSOD), was use...

journal_title：Andrologia

authors： Stefanov R,Angelova M,Stefanova T,Subev M,Dolashka P,Voelter W,Zachariev Z

更新日期：2004-04-01 00:00:00

abstract：:This study investigated the impact of the administration of HAART and anti-Koch's, singly and in combination, on sexual competence and birth statistics. Adult male Wistar rats were randomised into distilled water-treated control, HAART-treated, anti-Koch's-treated and HAART + anti-Koch's-treated groups. The 56-day ora...

journal_title：Andrologia

authors： Akhigbe RE,Hamed MA,Odetayo AF

更新日期：2021-01-05 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：: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：:Human chorionic Gonadotropin (HCG) therapy has been used beneficially in men with subfertility especially after varicocele surgery. Very few side effects have been observed in male patients. Herein, we report a case of pulmonary embolism in a male patient following the use of HCG. The patient was subsequently found to...

journal_title：Andrologia

authors： Dhabuwala CB,Kumar A,Pierce JM

更新日期：1987-01-01 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：:Cryptorchidism is the most common congenital anomaly in male children. Its aetiology remains unknown in the majority of cases. Because HOXA11 plays a vital role in regulating testicular descent, genetic variants in HOXA11 genes may contribute to the risk of cryptorchidism. In this study, mutation analysis was performe...

journal_title：Andrologia

authors： Lu P,Wang Y,Wang F,Huang J,Zeng Y,He D,Huang H,Cheng Z

更新日期：2018-02-01 00:00:00