Oestrogen receptors beta genotype in infertile Egyptian men with nonobstructive azoospermia.

abstract：:Definition of chronic male genital tract inflammation and its impact on male infertility is still a matter of debate. In particular, DNA integrity has been reported to be disturbed in subfertile men. Thus, the aim of this study was to investigate an association of DNA integrity to altered standard semen parameters as ...

journal_title：Andrologia

authors： Haidl F,Haidl G,Oltermann I,Allam JP

更新日期：2015-05-01 00:00:00

abstract：:The microvasculature of the human testis is closely related to the Leydig cells and the seminiferous tubules. Semi-thin sections of testicular tissue serve as a basis for the computer-aided 3-D reconstruction of the microvasculature, the seminiferous tubules and the Leydig cells. After vascular perfusion with glutaral...

journal_title：Andrologia

authors： Ergün S,Stingl J,Holstein AF

更新日期：1994-09-01 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：:Morphologically normal spermatozoa from groups of men attending the infertility clinic with normal density and motility had subcellular elemental composition measurements from various parts of the spermatozoa compared with anatomically similar spermatozoa from semen with marked oligo- or asthenozoospermia. In the two ...

journal_title：Andrologia

authors： Sheppard BL,Harrison RF,Sheppard U,Jordan M,Hannon K

更新日期：1988-05-01 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：:With approximately 90 million cases annually, infection with Chlamydia trachomatis is the most prevalent sexually transmitted bacterial disease in the world. Considering that these infections are often asymptomatic and cause major complications like acute pelvic inflammatory disease, ectopic pregnancy, infertility or ...

journal_title：Andrologia

authors： Gonzales GF,Muñoz G,Sánchez R,Henkel R,Gallegos-Avila G,Díaz-Gutierrez O,Vigil P,Vásquez F,Kortebani G,Mazzolli A,Bustos-Obregón E

更新日期：2004-02-01 00:00:00

abstract：:5alpha-Dihydrotestosterone (DHT), the most powerful naturally occurring androgen, is commercially available since 1982 as a gel. In view of its considerably higher biopotency (three to six times) than of testosterone, side effects, particularly on the main target organ of androgens, the prostate, are anticipated. In f...

journal_title：Andrologia

authors： Sakhri S,Gooren LJ

更新日期：2007-12-01 00:00:00

abstract：:This study aimed to assess seminal mast cells in infertile men associated with varicocele (Vx) pre- and post-surgical repair. Forty-five infertile men associated with Vx were subjected to history taking and clinical examination. In addition, semen parameters and seminal mast cells stained with 1% toluidine blue were e...

journal_title：Andrologia

authors： Mostafa RM,Abol-Magd R,Younis SE,Dessouki OF,Azab M,Mostafa T

更新日期：2017-04-01 00:00:00

abstract：:The rate of increase of sperm DNA fragmentation (rsDF) in fresh and frozen-thawed and processed sperm samples after a density gradient for sperm selection was analysed after 0, 0.5, 1.5, 4.5, 6, 24, 48 and 72 h of incubation at 37 °C, in five donors with proven fertility. The results showed that: (i) sperm DNA fragmen...

journal_title：Andrologia

authors： Gosálvez J,Núñez R,Fernández JL,López-Fernández C,Caballero P

更新日期：2011-12-01 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 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：:Microsurgical epididymal sperm aspiration (MESA) and testicular sperm extraction (TESE) require close cooperation between andrologists, urologists and gynaecologists. Intracytoplasmic sperm injections were established in Giessen in March 1994 and embryo transfer (ET) was performed in 342 of 375 patients (91.2%). The p...

journal_title：Andrologia

authors： Köhn FM,Schroeder-Printzen I,el Mulla KF,Jung A,Stalf T,Weidner W,Gips H,Künzel W,Schill WB

更新日期：1996-01-01 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：: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：: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：:Carnitine represents the secretion which is added to human seminal fluid by the epididymis. More than 94% of the free carnitine originates from the epididymis. The frequency distribution of carnitine concentration is investigated with patients showing a normal spermiogram and with those suffering from azoospermia. Cor...

journal_title：Andrologia

authors： Wetterauer U,Heite HJ

更新日期：1978-05-01 00:00:00

abstract：:To study the opioid control on LH and FSH secretion in Klinefelter subjects (KS), the response of gonadotropin to an opioid antagonist, naloxone, was examined in 8 KS (age range 25-35 yrs) and in 8 age matched normal men. In 6 KS with low testosterone plasma levels, naloxone infusion were also performed after treatmen...

journal_title：Andrologia

authors： Foresta C,Menchini Fabris GF,Mioni R,Sicolo N,Scandellari C

更新日期：1984-09-01 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

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：:This study was a 12-week double blind placebo-controlled, randomized, parallel trial in which active treatment with different doses of Maca Gelatinizada was compared with placebo. The study aimed to demonstrate if effect of Maca on subjective report of sexual desire was because of effect on mood or serum testosterone ...

journal_title：Andrologia

authors： Gonzales GF,Córdova A,Vega K,Chung A,Villena A,Góñez C,Castillo S

更新日期：2002-12-01 00:00:00

abstract：:Several drugs have been used to stimulate human sperm motility, including 3-deoxy-adenosine, caffeine, and pentoxifylline. Pentoxifylline is an inhibitor of the phosphodiesterase and may stimulate sperm motility by increasing the intracellular levels of cAMP. In this study we have evaluated the effect of pentoxifyllin...

journal_title：Andrologia

authors： Morales P,Llanos M,Yovich JL,Cummins JM,Vigil P

更新日期：1993-11-01 00:00:00

abstract：:The aim of this study was to evaluate the effects of Pterorhachis zenkeri (Meliaceae) on sex organ growth in immature male rats and, oxidative stress and apoptosis markers in CCL-97 (R2C) Leydig cells. For the in vivo studies, 70 immature male Wistar rats (n = 10/group) were treated for 2 or 4 weeks with: distilled wa...

journal_title：Andrologia

authors： Bonsou Fozin GR,Deeh Defo PB,Wankeu-Nya M,Ngadjui E,Kamanyi A,Watcho P

更新日期：2020-12-01 00:00:00

abstract：:The epididymis responds to adverse conditions of misshapen spermatozoa resulting from pathological changes or toxic insults by secretion of a dense matrix that segregates the latter for complete disintegration and dissolution. The objective of this study was to find the source of this matrix and the role-player of dis...

journal_title：Andrologia

authors： Faisal K,Akbarsha MA

更新日期：2021-02-01 00:00:00

abstract：:The human spongy urethras of individuals submitted to emasculation because of glans carcinoma have been studied by means of scanning electron microscopy. The luminal surface of the organ shows longitudinal folds and small glandular openings, surrounded by epithelial elements arranged in form of rosettes. Spermatozoa, ...

journal_title：Andrologia

authors： Zecchi-Orlandini S,Gulisano M,Orlandini GE,Holstein AF

更新日期：1988-03-01 00:00:00

abstract：:Angiotensin converting enzyme (EC 3.4.15.1) from bovine seminal plasma was shown to exist in two distinct forms. A lower molecular weight form of the enzyme having higher activity was purified to homogeneity. Final recovery of the enzyme was 18.37%. The apparent molecular weight of the enzyme was estimated to be 1.99 ...

journal_title：Andrologia

authors： Sharma M,Singh US

更新日期：1991-07-01 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：:The levels of eight enzymes have been measured in the semen of 15 azoospermic subjects. The results indicate that the values of the enzymes Creatine kinase, and Alanine aminotransferase, just as the Aspartate aminotransferase/Alanine aminotransferase ratio are significantly different between excretory and secretory az...

journal_title：Andrologia

authors： Gonzalez Buitrago JM,Garcia Diez LC

更新日期：1982-01-01 00:00:00

abstract：:This study was set to determine if there is a correlation between the general toxic effect and the gonadotoxic effect of DBCP on male rats. Groups of male rats were injected with a single dose of DBCP (50 mg kg-1) dissolved in dimethylsulfoxide (DMSO). Twenty four hours, one and four weeks post injection animals were ...

journal_title：Andrologia

authors： Kaplanski J,Shemi D,Waksman J,Potashnik G,Sod-Moriah UA

更新日期：1991-09-01 00:00:00

abstract：:The results of a study of 373 cases of male sterility in Tunisia are presented. Factors with negative effects on fertility are listed according to their incidence: hypogonadism, gonococci infection, following varicocele and excessive smoking. Important is; early diagnosis of venereal disease and its effective treatmen...

journal_title：Andrologia

authors： Jaballah N

更新日期：1987-06-01 00:00:00

abstract：:Testicular sperm extraction is a common surgical procedure to retrieve spermatozoa from men with azoospermia which may affect the tissue and cause hypogonadism (Human Reproduction Update, 24, 2018, 442). We aimed to evaluate the acute effect of micro-TESE on blood total testosterone (TT) and luteinising hormone (LH) l...

journal_title：Andrologia

authors： Sertkaya Z,Tokuç E,Özkaya F,Ertaş K,Kutluhan MA,Çulha MG

更新日期：2020-08-01 00:00:00