Some properties of acid and alkaline phosphomonoesterases of chicken spermatozoa.

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：:Zinc is proposed to have an important role in the morphology, viability and motility of spermatozoa. There are inconsistent reports on the association between seminal plasma zinc concentration and male infertility. For this purpose, papers reporting the level of seminal zinc among asthenozoospermic groups were selecte...

journal_title：Andrologia

authors： Taravati A,Tohidi F

更新日期：2016-08-01 00:00:00

abstract：:The aim of this study was to investigate the effects of several dietary fatty acids (FAs) on semen quality and blood parameters in rams. We gave diet-supplemented treatments (35 g day(-1) ram(-1)) by C16:0 (palm oil), C18:2 [sunflower oil (SO)] and an n-3 source [fish oil (FO)] to 12 rams, who were fed for 15 weeks du...

journal_title：Andrologia

authors： Esmaeili V,Shahverdi AH,Alizadeh AR,Alipour H,Chehrazi M

更新日期：2014-02-01 00:00:00

abstract：:Parameters were obtained from the reproductive organs of ethanol-fed, gossypol-treated Sprague Dawley rats. The experimental animals were fed either on a normal (15.17%) or low protein (8.00%) diet. Measurements included reproductive organ weights, seminal characteristics, serum concentration of testosterone and histo...

journal_title：Andrologia

authors： Akingbemi BT,Rao PV,Aire TA

更新日期：1997-07-01 00:00:00

abstract：:The spontaneous acrosomal reaction of mouse spermatozoa during their passage through the male and female genital tract was studied by indirect immunofluorescence staining techniques using antibodies against the outer acrosomal membrane (OAM). Low rates of spontaneously acrosome-reacted spermatozoa could be observed du...

journal_title：Andrologia

authors： Klemm M,Engel W

更新日期：1991-11-01 00:00:00

abstract：:The spontaneous contractility of the rat epididymis was recorded in vivo and the effects of cyproterone acetate were studied. At 7 days after cyproterone acetate daily administration the records of the epididymal contractility did not show significant differences from the records obtained in control animals. On the co...

journal_title：Andrologia

authors： Hib J,Ponzio RO

更新日期：1977-10-01 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：:Considering dopamine-enhancing effect of (+)-catechin, the present study was designed to evaluate dopamine-2 (D2) receptor agonistic and phosphodiesterase-5 (PDE5) enzyme inhibitory effects in in silico and effect on male sexual function of Sprague Dawley rats in vivo. (+)-Catechin and standard (sildenafil and bromocr...

journal_title：Andrologia

authors： Rai A,Gill M,Kinra M,Dsouza LA,Sumalatha S,Raj S,Shetty R,Nandakumar K,Chamallamudi MR,Kumar N

更新日期：2020-07-02 00:00:00

abstract：:The aim of this study was to evaluate seasonal changes in basic parameters of sperm quality and freezability behaviour of ejaculates from 10 fertile heavy draft stallions. A total of 140 ejaculates were collected, processed and evaluated during both the breeding (September-November) and non-breeding seasons (April-Jun...

journal_title：Andrologia

authors： Ebel F,Vallejos A,Gajardo G,Ulloa O,Clavel E,Rodríguez-Gil JE,Ramírez-Reveco A

更新日期：2020-12-01 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：:Infertility affects up to 15% of reproductive-aged couples worldwide, with male factor being detected in 40%-50% of the cases. Proper sperm production is associated with the establishment of appropriate epigenetic marks in developing germ cells. Several studies have demonstrated the association between abnormal sperma...

journal_title：Andrologia

authors： Nasri F,Gharesi-Fard B,Namavar Jahromi B,Farazi-Fard MA,Banaei M,Davari M,Ebrahimi S,Anvar Z

更新日期：2017-12-01 00:00:00

abstract：:The level of fructose, NEFA, triglycerides and lipase activity were determined in the semen of 17 normozoospermic, 10 oligozoospermic and 10 azoospermic men. This was done immediately and 2 hours after seminal liquefaction. The levels of fructose and NEFA were significantly decreased while triglycerides show significa...

journal_title：Andrologia

authors： Abdel Aziz MT,El-Haggar S,Tawadrous GA,Hamada T,Shawky MA,Amin KS

更新日期：1983-05-01 00:00:00

abstract：:Three new cases of low chiasma frequency in infertile men are described. In the first case, all cells showed abnormal diakineses; in the second, 20% of the diakineses were desynaptic, while the remaining 80% were normal; in the third, all diakineses were desynaptic and showed chromosome fragmentation. The possible mec...

journal_title：Andrologia

authors： Templado C,Marina S,Egozcue J

更新日期：1976-01-01 00:00:00

abstract：:Insulin-like factor 3 (INSL3) has an important role in the human reproductive system; however, its detailed function is still mysterious. We aimed to investigate the possibility of expression of RXFP2 receptor on human spermatozoa and to determine the anti-apoptotic and antioxidant mechanism derived the binding of INS...

journal_title：Andrologia

authors： Shokri S,Tavalaee M,Ebrahimi SM,Ziaeipour S,Nasr-Esfahani MH,Nejatbakhsh R

更新日期：2020-10-01 00:00:00

abstract：:The simultaneous swimming up and down from identical semen specimens suggested that the separation efficiency of progressively motile sperm by the swim-down method was superior to that of the swim-up method. The swimming down was performed in a small plastic funnel, the bottom of which was plugged with a 2.5 ml dispos...

journal_title：Andrologia

authors： Kobayashi T,Kaneko S,Hara I,Aoki R,Ohno T,Nozawa S

更新日期：1991-01-01 00:00:00

abstract：:The lipid composition of the sperm membrane has been shown to exert a significant effect upon the functional quality of spermatozoa. We have studied fatty acid composition of the phospholipids in spermatozoa in asthenozoospermic and normozoospermic men and determined the ratio of polyunsaturated fatty acids (PUFAs) to...

journal_title：Andrologia

authors： Tavilani H,Doosti M,Abdi K,Vaisiraygani A,Joshaghani HR

更新日期：2006-10-01 00:00:00

abstract：:We reported our initial experience of robotic-assisted laparoscopic artery-sparing varicocelectomy using indocyanine green (ICG) fluorescence angiography in treatment of varicocele. A total of 45 varicocelectomies in 27 patients were performed. The mean operation time was 49.1 ± 8.5 min for unilateral and 65.6 ± 8.3 m...

journal_title：Andrologia

authors： Teng J,Jia Z,Ai X,Luo X,Guan Y,Hao X,Fei W

更新日期：2020-12-01 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：:In the present study, our experience in the collection of semen from adult bonnet monkeys and some of the characteristics of semen are reported. Semen samples were collected by penile stimulation every 15 days over a period of 3 years. The penile method of ejaculation was more consistent with an increased volume of se...

journal_title：Andrologia

authors： Ramesh V,Ramachandra SG,Krishnamurthy HN,Rao AJ

更新日期：1998-03-01 00:00:00

abstract：:This study was performed to investigate the effect of propylthiouracil (PTU) on rat testis, and to compare the results of the different treatment regimens of levothyroxine and zinc. Twenty sexually mature Wistar albino rats were subjected to PTU for 14 days intraperitoneally to make them hypothyroidic. The effect of P...

journal_title：Andrologia

authors： Tahmaz L,Gökalp A,Kibar Y,Koçak I,Yalçin O,Ozercan Y

更新日期：2000-03-01 00:00:00

abstract：:This study aimed to investigate whether gene transfer of myocardin to the penis of diabetic rats can modulate corpus cavernosum smooth muscle (CCSM) cells phenotype and restore erectile function. Five normal control rats, and 22 diabetic rats were randomly divided into four groups: rats transfected with adCMV-myocardi...

journal_title：Andrologia

authors： He S,Zhang T,Liu Y,Liu L,Zhang H,Chen F,Wei A

更新日期：2015-04-01 00:00:00

abstract：:To further investigate the effectiveness of pentoxifylline (trental) treatment in male infertility, we studied 22 young men (mean age 28.4 years) with "idiopathic" oligo-asthenozoospermia treated for 6 months with the drug (1200 mg daily orally). Sperm concentration and sperm motility were determined before therapy, a...

journal_title：Andrologia

authors： Marrama P,Baraghini GF,Carani C,Celani MF,Giovenco P,Grandi F,Montanini V

更新日期：1985-11-01 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：:The reference values of human semen, published in the WHO's latest edition in 2010, were lower than those previously reported. The objective of this study was to evaluate reference values of standard semen parameters in fertile Egyptian men. This cross-sectional study included 240 fertile men. Men were considered fert...

journal_title：Andrologia

authors： Zedan H,Ismail S,Gomaa A,Saleh R,Henkel R,Agarwal A

更新日期：2018-01-15 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：: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：:The new electronic spermcounter was developed to make andrological routine work easier. The apparatus is a complete microcomputer and has three main functions: The counter function allows to determine the number of spermatozoa and round cells at the same time. The morphological function allows the detailed morphologic...

journal_title：Andrologia

authors： Pusch H,Wiesspeiner G,Hausl A

更新日期：1982-03-01 00:00:00

abstract：:The mammalian target of rapamycin (TOR) has been implicated in the control of different stressors, growth factors, nutrients and hormones, participating in the control of key cellular functions. Controlling this many pathways poses mTOR signalling as a potential new target in new treatment strategies for multiple canc...

journal_title：Andrologia

authors： Yaba A,Bozkurt ER,Demir N

更新日期：2016-08-01 00:00:00

abstract：:During early development of the human testis the male germ cell first appears as primordial germ cell or gonocyte and enters the prospermatogonial stage after the twelfth week of gestation. Prospermatogonia lack glycogen particles and are connected by intercellular bridges. During the same period in the ovary the fema...

journal_title：Andrologia

authors： Wartenberg H

更新日期：1976-01-01 00:00:00

abstract：:Prostatitis has been associated with abnormal semen parameters and may be the cause of infertility in some patients. Sperm antibodies and impaired sperm motility have been observed in the semen of patients with prostatitis. More recently, seminal oxidative stress has been detected in patients with prostatitis or acces...

journal_title：Andrologia

authors： Potts JM,Pasqualotto FF

更新日期：2003-10-01 00:00:00