Microvasculature of the human testis in correlation to Leydig cells and seminiferous tubules.

abstract：:Kallikrein promotes the release of kinins, which have been shown in in vitro studies to improve motility, viability and metabolism in human spermatozoa. The effects of kallikrein therapy on 25 males attending an infertility clinic was assessed, regarding endogenous spermatozoal ATP content, as well as other semen para...

journal_title：Andrologia

authors： Berzin M,Bilgeri YR,Zanzinger A,Wing J,Kalk WJ,Mendelsohn D

更新日期：1987-06-01 00:00:00

abstract：:Idiopathic oligoathenoteratozoospermia (iOAT) is a common finding in the evaluation of male infertility. Oxidative stress (OS) may underlie its pathology. Tamoxifen and l-carnitine are used to treat idiopathic male infertility. The aim of this work was to detect the efficacy of tamoxifen and l-carnitine on sperm param...

journal_title：Andrologia

authors： Nada EA,El Taieb MA,Ibrahim HM,Al Saied AE

更新日期：2015-09-01 00:00:00

abstract：:Chronic prostatitis/chronic pelvic pain syndrome (CP/CPPS) is a multifactorial problem affecting men of all ages and demographics. Currently, there is a relative dearth of epidemiological information on CPPS. It is clear that patients with CPPS have a dismal quality of life and many have benefited only minimally from ...

journal_title：Andrologia

authors： Schaeffer AJ

更新日期：2003-10-01 00:00:00

abstract：:Twisting of the spermatic cord is considered a popular problem in the urological field, which may lead to testicular necrosis and male infertility. Sitagliptin, a glucose-lowering agent, proved to have a vindicatory function in myocardial and renal ischaemia/reperfusion (I/R), but its role in testicular I/R has not ye...

journal_title：Andrologia

authors： Abdel-Aziz AM,Naguib Abdel Hafez SM

更新日期：2020-03-01 00:00:00

abstract：:Leydig cells and seminiferous tubules of human testicular tissue were successfully separated by means of an anti-substance P-antiserum. On incubation with (14C)-testosterone or (14C)-dihydrotestosterone (DHT) it could be shown that besides DHT and 5 alpha-androstane-3 alpha, 17 beta-diol (3 alpha-diol) also 5 alpha-an...

journal_title：Andrologia

authors： Tamm J,Volkwein U,Schulze W

更新日期：1990-01-01 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：:Infertility is a major health problem which affects approximately 22% of married couples in reproductive age. Chromosomal defects are the most common genetic abnormalities in infertile men, with an incidence of cytogenetic abnormalities ranging from 2.1% to 15.5%. We describe here the clinical and cytogenetic studies ...

journal_title：Andrologia

authors： Ananthapur V,Avvari S,Veena K,Sujatha M,Jyothy A

更新日期：2014-05-01 00:00:00

abstract：:The ZP3 protein is a zona pellucida glycoprotein which plays a major role in sperm binding and induction of the acrosome reaction. ZP3 proteins occur in various mammalian zonae pellucidae; their primary structures are highly conserved as revealed by cDNA cloning. We generated antisera against synthetic peptides that a...

journal_title：Andrologia

authors： Hinsch E,Hinsch KD

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：: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：:Chronic prostatitis/chronic pelvic pain syndrome (CP⁄CPPS) is the prostate gland inflammation characterised as genitourinary pain in the pelvic region. The rat experimental autoimmune prostatitis (EAP) was achieved to mimic CP⁄CPPS. The expressions of transient receptor potential vanilloid 1 (TRPV1) in the prostate, b...

journal_title：Andrologia

authors： Zhang J,Yi QT,Gong M,Zhang YQ,Liu D,Zhu RJ

更新日期：2019-09-01 00:00:00

abstract：:Linear mucus penetration of spermatozoa from 75 arbitrary selected men was evaluated using a non-commercial bovine cervix mucus preparation in the same way as Penetrak, but using round glass capillary tubes instead of flat plastic tubes. The mean penetration value was 28.7 +/- 7.10 mm in 90 min and the mean sperm dens...

journal_title：Andrologia

authors： Engel S,Schachschal G,Petzoldt R

更新日期：1990-07-01 00:00:00

abstract：:We have studied the response of atrophic Leydig cells to gonadotrophin replacement in young hypophysectomized (HX) and GnRH antagonist (GnRH-ANT)-treated rats. Hypophysectomy was performed at 28 days of age. Age-matched rats were treated with GnRH-ANT from 28 to 51 days of age. From 45 to 51 days of age, animals were ...

journal_title：Andrologia

authors： Gaytan F,Bellido C,Morales C,Aguilar E

更新日期：1997-03-01 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：: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：:In a prospective study, the polymorphism of oestrogen receptor β gene was investigated in nonobstructive azoospermia patients. Ninety infertile patients with nonobstructive azoospermia diagnosed after two semen analysis, 2 weeks apart and negative testicular sperm extraction during intracytoplasmic sperm injection, an...

journal_title：Andrologia

authors： Younes AH,Hamed HB,Mohamed EM,Makki MA,Gaber N,Mohamed HM

更新日期：2016-12-01 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：:The aim of this study was to analyse the effect of pirfenidone against ischaemia-reperfusion injury occurring after detorsion in rats with induced testicular torsion model. Group 1 was assigned as the control group. Group 2 first had testis torsion performed, and then, testicular detorsion was performed. Group 3 had s...

journal_title：Andrologia

authors： Kölükçü E,Firat F,Deresoy FA,Katar M,Atılgan D

更新日期：2020-11-26 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

abstract：:Some cases of testicular trauma cause infertility especially when the injured testes are not removed. However, only a few long-term follow-up studies investigating endocrinological and semen parameters in patients who had testicular trauma have been conducted. Herein, we report an interesting case of a patient who spo...

journal_title：Andrologia

authors： Hagiuda J,Ishikawa H,Hanawa Y,Marumo K

更新日期：2014-05-01 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：:Human spermatozoa were incubated with gossypol acetic acid (100 micrograms/1 X 10(6) spermatozoa/ml) at 37 degrees C for 30 min. The drug treatment inhibited the spermatozoal motility significantly. Washing of the spermatozoa, after gossypol treatment, did not effect their motility. A partial revival in the motility o...

journal_title：Andrologia

authors： Kalla NR,Gadru N,Foo TW

更新日期：1986-07-01 00:00:00

abstract：:Cisplatin, a common chemotherapeutic drug, can induce testicular toxicity. Methylene blue, a potent antioxidant, can inhibit the generation of free radicals. This research aimed to study the protective effect of methylene blue against the cisplatin-induced toxicity of the reproductive system in rats. 35 male Wistar ra...

journal_title：Andrologia

authors： Gholami Jourabi F,Yari S,Amiri P,Heidarianpour A,Hashemi H

更新日期：2021-02-01 00:00:00

abstract：:Monoclonal and polyclonal antibodies were used in indirect immunofluorescence microscopy to localize vimentin intermediate filaments in the rat seminiferous epithelium. During stages XII-V of the epithelial cycle, the Sertoli cells showed a reaction in the perinuclear area and vimentin-positive extensions, projecting ...

journal_title：Andrologia

authors： Mali P,Virtanen I,Parvinen M

更新日期：1987-11-01 00:00:00

abstract：:The sperm function of fertile men (control), infertility patients (experimental), and men with varicocele were compared. The bioassays used were the follicular fluid-induced acrosome reaction, the binding to the zona pellucida, and the penetration of zona-free hamster oocytes. The percentage (mean +/- SEM) of reacted ...

journal_title：Andrologia

authors： Vigil P,Wöhler C,Bustos-Obregón E,Comhaire F,Morales P

更新日期：1994-03-01 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：:150 randomized patients from the andrology department of the University Hospital for Gynecology and Obstetrics, Graz, Austria have been evaluated concerning their motivation, cooperation and compliance. To gain basic data from andrology patients and to analyze consequences after the first clinical examination was one ...

journal_title：Andrologia

authors： Pusch HH

更新日期：1985-03-01 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：:Sex hormones have been proposed as a possible risk factor for the development and growth of meningiomas. Hormonal therapy plays a fundamental role in the treatment of male-to-female transgenders and needs to be continued after sex reassignment surgery. Usually, this treatment leads to no adverse events; however, its i...

journal_title：Andrologia

authors： Ter Wengel PV,Martin E,Gooren L,Den Heijer M,Peerdeman SM

更新日期：2016-12-01 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