Hormonal regulation of male reproduction (with reference to infertility in man).

abstract：:The effect of immunosuppression with dexamethasone on sperm antibody formation following vasectomy in men was determined. Vasectomized men were treated with dexamethasone (4 mg) tablets starting two days prior to vasectomy and each day thereafter for a total of eight days for a total dose of 30 mg. There was no signif...

journal_title：Andrologia

authors： Curtis GL,Kahl VA,Ryan WL

更新日期：1987-11-01 00:00:00

abstract：:This prospective study was performed to evaluate the relationship between interleukin-6 (IL-6), oxidative stress and sperm function following vasectomy reversal. We included 22 patients who underwent vasectomy reversal and 15 healthy sperm donors (controls) with normal sperm morphology criteria. Levels of IL-6 in the ...

journal_title：Andrologia

authors： Nandipati KC,Pasqualotto FF,Thomas AJ Jr,Agarwal A

更新日期：2005-08-01 00:00:00

abstract：:Gynaecomastia, the enlargement of the male breast, is considered as an andrological disease. To date, a review on male breast cancer (MBC) has not been published in an andrological journal. The papers underlying this review were published from authors of different institutions: Clinical Genetics, Dermatology, Gynaecol...

journal_title：Andrologia

authors： Krause W

更新日期：2004-12-01 00:00:00

abstract：:Mast cells in the bilateral testicular biopsies of 30 patients with a 'mixed atrophy' of seminiferous tubules were analysed. Seven biopsies from vasectomized patients served as controls. With regard to their characteristic location within testicular tissue, two groups of mast cells could be distinguished, in both cont...

journal_title：Andrologia

authors： Jezek D,Banek L,Hittmair A,Pezerović-Panijan R,Goluza T,Schulze W

更新日期：1999-07-01 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：:The aim of this study was to assess seminal reactive oxygen species (ROS)-antioxidants relationship in fertile and infertile men with and without varicocele. One hundred and seventy six males were studied; fertile healthy volunteers (n = 45), fertile men with varicocele (n = 45), infertile oligoasthenozoospermia (OA, ...

journal_title：Andrologia

authors： Mostafa T,Anis T,Imam H,El-Nashar AR,Osman IA

更新日期：2009-04-01 00:00:00

abstract：:Previous studies have confirmed that spermatogenesis in homozygous Immp2l mutant male mice was normal at the age of 6 months, but was significantly abnormal at the age of 13 months. Meanwhile, oxidative stress is reported to be involved in spermatogenic impairment in old mutant mice. However, it is unclear whether ant...

journal_title：Andrologia

authors： Jiang Y,Liu C,Lei B,Xu X,Lu B

更新日期：2018-03-01 00:00:00

abstract：:The role of N-methyl-D-aspartate (NMDA) and non-NMDA receptors in the control of FSH and LH secretion was analysed in prepubertal male rats. In the first experiment 4, 8, 12, 16, 20 and 30-day-old males were decapitated 15 min after vehicle, NMDA or kainic acid (KA) administration. In the second experiment, 23-day-old...

journal_title：Andrologia

authors： Aguilar E,Tena-Sempere M,Gonzalez D,Pinilla L

更新日期：1996-05-01 00:00:00

abstract：:The aim of this study was to examine whether an association exists between glutathione S-transferase Mu-1 (GSTM1) gene polymorphism and idiopathic male infertility. Sixty men with primary idiopathic infertility and 60 fertile men, serving as controls, were recruited for the study. The polymorphism was analysed using p...

journal_title：Andrologia

authors： Roshdy OH,Hussein TM,Zakaria NH,Sabry AA

更新日期：2015-06-01 00:00:00

abstract：:The techniques of SDS-polyacrylamide slab gel electrophoresis and a sensitive fluorescamine-based method were used to study autoproteolysis of human seminal coagulum at various pH. The major protein bands of 72 and 55 Kd were optimally degraded at pH 7.5. Degradation at pH 3.5 was preceded by a lag period of 30 min. W...

journal_title：Andrologia

authors： Boonsaeng V

更新日期：1986-05-01 00:00:00

abstract：:Incidents of male infertility are mushrooming worldwide. Oxidative stress plays a prime role for its onset. Considering this background, the study was designed to focus the direct role of lycopene on cyproterone acetate (CPA) induced testicular hypofunction in rat. Four groups have been considered including the vehicl...

journal_title：Andrologia

authors： Tripathy A,Ara F,Ghosh P,Ghosh D

更新日期：2020-04-01 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：:Maturation arrest (MA) of spermatogenesis is diagnosed on histology as interruption of spermatogenesis before the final stage without impairment of Sertoli or Leydig cells. It is considered a condition of irreversible or absolute infertility. Varicocele, which represents impairment in the testicular venous drainage sy...

journal_title：Andrologia

authors： Gat Y,Gornish M,Chakraborty J,Perlow A,Levinger U,Pasqualotto F

更新日期：2010-12-01 00:00:00

abstract：:Lipomas are the most common benign tumours that originate from adipose tissue and can develop in any anatomical location where the adipose tissue layer is present in the body. Penile lipoma cases are very rare in the literature. Our case is a 21-year-old male patient who underwent TIPU operation 8 years ago due to dis...

journal_title：Andrologia

authors： Ogras MS,Oguz E,Yildirim K

更新日期：2019-07-01 00:00:00

abstract：:Sertoli-cell-only (SCO) syndrome, or germ cell aplasia, is diagnosed on testicular biopsy when germ cells are seen to be absent without histological impairment of Sertoli or Leydig cells. It is considered a situation of irreversible infertility. Recent studies have shown that varicocele, a bilateral disease, causes hy...

journal_title：Andrologia

authors： Gat Y,Gornish M,Perlow A,Chakraborty J,Levinger U,Ben-Shlomo I,Pasqualotto F

更新日期：2010-10-01 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 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：:The manual of the World Health Organization defines leucocytospermia as the presence of >1 x 10(6) white blood cells per ml semen. Most authors consider leucocytospermia to be a consequence of inflammation due to bacterial infection. However, the efficacy of antibiotic therapy was not unequivocally demonstrated until ...

journal_title：Andrologia

authors： Krisp A,Hörster S,Skrzypek J,Krause W

更新日期：2003-08-01 00:00:00

abstract：:In this study we investigated the relationship between personality attitudes, psychopathological symptoms and biological parameters in male infertility. Eighty-four infertile men underwent a psychological and medical examination at our clinic. The psychological tests comprised the Symptom Checklist 90-R, the Toronto A...

journal_title：Andrologia

authors： Conrad R,Schilling G,Haidl G,Geiser F,Imbierowicz K,Liedtke R

更新日期：2002-10-01 00:00:00

abstract：:Epididymal sperm reserve was determined in 6 sexually mature fertile buffalo-bulls having normal process of spermatogenesis. The relative distribution of spermatozoa in the caput, corpus and cauda epididymidis averaged 5.42, 0.75 and 11.45 billion respectively. Total epididymal sperm reserve per bull averaged 36.2 bil...

journal_title：Andrologia

authors： Sharma AK,Gupta RC

更新日期：1978-11-01 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

abstract：:The presence of 2 million or more peroxidase-positive white blood cells per ml of semen, or the diagnosis of male accessory gland infection, is associated with important biochemical and biological changes in semen plasma and in the spermatozoa, reducing their fertilizing potential in vitro and in vivo (e.g., during in...

journal_title：Andrologia

authors： Depuydt C,Zalata A,Christophe A,Mahmoud A,Comhaire F

更新日期：1998-01-01 00:00:00

abstract：:The aim of this study was to evaluate the effect of Lepidium meyenii (maca) in chemically and physically subfertile mice. After 35 days, the following groups of mice were evaluated: control, sham, chemical subfertility, chemical subfertility-maca-supplemented, physical subfertility, physical subfertility-maca-suppleme...

journal_title：Andrologia

authors： Valdivia Cuya M,Yarasca De La Vega K,Lévano Sánchez G,Vásquez Cavero J,Temoche García H,Torres Torres L,Cruz Ornetta V

更新日期：2016-10-01 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 aim of this study was to investigate the relationship between sulphur dioxide (SO2 ) signalling pathway and the changes in erectile function under low androgen levels. Thirty-six healthy male Sprague Dawley (SD) rats aged eight weeks were randomly divided into androgen replacement group, castration group and sham ...

journal_title：Andrologia

authors： Li X,Jiang J,Xia J,Jiang R

更新日期：2019-02-01 00:00:00

abstract：:The routine spermiogram parameters of 3432 patients born between 1952 and 1971 in the region of Leipzig were determined between January 1975 and March 2000. The patient group aged 24-35 years was characterized by low mobility and relocation living in the main centre of chemical industry with enormous environmental pol...

journal_title：Andrologia

authors： Paasch U,Thieme C,Glander HJ

更新日期：2003-12-01 00:00:00

abstract：:The aim of this study was to access whether microsurgical subinguinal varicocelectomy (MSV) with testicular delivery has a better therapeutic effect than MSV without testicular delivery, including semen quality, serum testosterone (T) level and International Index of Erectile Function (IIEF)-5 score in infertility mal...

journal_title：Andrologia

authors： Jin L,Yao Q,Wu S,Dai G,Xiang H,Liu X,Xue B

更新日期：2020-07-01 00:00:00

abstract：:Sperm cell plasma membrane and the outer acrosomal membrane fuse profusely during the acrosome reaction. The process is triggered by extracellular signals that elicit several intracellular events leading ultimately to membrane fusion. We have developed a streptolysin O permeabilizing protocol that selectively affects ...

journal_title：Andrologia

authors： Díaz A,Domínguez L,Fornés MW,Burgos MH,Mayorga LS

更新日期：1996-01-01 00:00:00

abstract：:The prostate is the seat of three major causes of morbidity: benign prostatic hyperplasia, prostate cancer and prostatitis, three conditions in which inflammation has been implicated. A state of inflammation of the prostate gland, originally incited by an infection, an autoimmune response, a neurogenic stimulus or ano...

journal_title：Andrologia

authors： Motrich RD,Salazar FC,Breser ML,Mackern-Oberti JP,Godoy GJ,Olivera C,Paira DA,Rivero VE

更新日期：2018-12-01 00:00:00

abstract：:Infertility occurs in up to 54% of men with bilateral undescended testes. Orchiectomy is considered the best therapeutic approach, especially when cryptorchidism is diagnosed in adulthood, due to a high risk of malignancy. A 33-year-old man was referred with a clinical presentation of empty scrotum and an ultrasonogra...

journal_title：Andrologia

authors： Cito G,Della Camera PA,Degli Innocenti S,Coccia ME,Nesi G,Cocci A,Morselli S,Minervini A,Carini M,Serni M,Gacci M,Natali A

更新日期：2018-03-01 00:00:00