Men regret anabolic steroid use due to a lack of comprehension regarding the consequences on future fertility.

abstract：:Gamma-glutamyl transpeptidase was purified to apparent homogeneity from human testis by DEAE cellulose, acetone, precipitation, fractionation by ammonium sulphate, Sephacryl S-200 chromatography, Q-Sepharose chromatography and S-Sepharose chromatography following solubilization of the enzyme by Triton X-100. The purif...

journal_title：Andrologia

authors： Yoshida K,Arai K,Kobayashi N,Saitoh H

更新日期：1990-05-01 00:00:00

abstract：:This investigation was carried out to study the correlation of sperm quality parameters with antioxidant and oxidant status of buffalo bull semen during various stages of cryopreservation. Semen samples were evaluated for sperm parameters (mass motility [MM], concentration [CON], progressive motility [PM], viability [...

journal_title：Andrologia

authors： Lone SA,Prasad JK,Ghosh SK,Das GK,Balamurugan B,Verma MR

更新日期：2018-02-11 00:00:00

abstract：:Varicocele is one of the leading causes of male infertility in which oxidative stress induces DNA damages in spermatozoa of patients with varicocele. Recent studies indicated that the treatment with antioxidant agents has protective effects against the formation of reactive oxygen species (ROS). Our research aimed to ...

journal_title：Andrologia

authors： Dolatkhah MA,Shokoohi M,Charvandeh S,Tvrda E,Shoorei H,Moghimian M,Alihemmati A

更新日期：2020-12-01 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：: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：:Cyclophosphamide is a drug used for chemotherapy and as an immune-suppressive in the organ transplantation. Despite its many clinical implications in the treatment of cancers, this drug has toxic effects on the reproductive system. This study aimed to evaluate the effect of ghrelin against the damages caused by cyclop...

journal_title：Andrologia

authors： Salimnejad R,Soleimani Rad J,Mohammad Nejad D,Roshangar L

更新日期：2018-03-01 00:00:00

abstract：:Thirty-five couples with a variety of infertility problems were treated by a sperm-washing and intrauterine-insemination method. The husband's semen was washed with a modified Biggers, Whitten, and Whittingham's medium to obtain a seminal plasma-free, highly concentrated sperm suspension for intrauterine insemination....

journal_title：Andrologia

authors： Wiltbank MC,Kosasa S,Rogers B

更新日期：1985-01-01 00:00:00

abstract：:The necessity to check up exactly the procedure in vasectomy by the so called - Hamburg Model - is demonstrated by 4 cases. Although these patients were sterilized we could prove fertility on spermiogram, and observed pregnancy in 3 cases. Consequences in matter of law for the surgeon is pointed out. ...

journal_title：Andrologia

authors： Kuhlwein A,Schirren C

更新日期：1981-07-01 00:00:00

abstract：:In 17 cases of male sterility with so-called "mixed atrophy" in testicular biopsies, the germinal epithelium was investigated by quantitative as well as by ultrastructural means. In 13 cases, the number of spermatids only was reduced, in 2 cases earlier stages of germinal cells were diminished also. Normal quantitativ...

journal_title：Andrologia

authors： Sigg C,Hedinger C

更新日期：1981-09-01 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：: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：:Tubular hyalinization was studied both light and electron microscopically in 22 cases. 8 of them were found in undescended testes and 5 cases represented possible intermediary forms with only partial hyalinization of the tubules. In these testes spermatogenic arrest, hypospermatogenesis, only Sertoli cells and areas w...

journal_title：Andrologia

authors： Söderström KO

更新日期：1986-01-01 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：:Twenty infertile patients with normal tubal patency were inseminated intraperitoneally (11 once, seven twice, and two three times) with spermatozoa (mean 14 x 10(6), range 0.6-48 x 10(6)) prepared by the standard swim-up technique. The occurrence of immunization to spermatozoa was looked for by the Gelatin Agglutinati...

journal_title：Andrologia

authors： Ragni G,Lenzi A,Gandini L,Cristiani C,Lombroso GC,Olivares MD,Wyssling H,Dondero F,Crosignani PG

更新日期：1993-01-01 00:00:00

abstract：:The synthetic androgen mibolerone elicits a set of distinct changes in the behaviour of an androgen responsive human prostatic carcinoma cell line (LNCaP). Inhibition of cell proliferation, induction of morphological change and of a prostate specific mRNA, and inhibition of colony formation in soft agar are induced by...

journal_title：Andrologia

authors： Schulz P,Wolf D,Arbusow V,Bojar H,Klobeck HG,Fittler F

更新日期：1990-01-01 00:00:00

abstract：:When washed human sperm were incubated in a modified Krebs-Ringer buffer solution in the absence of exogenous metabolizable substrates at 30 degrees C they maintained progressive motility for at least six hours. Under these conditions the spermatozoa apparently utilize endogenous substrates but addition of exogenous s...

journal_title：Andrologia

authors： Shalev DP,Soffer Y,Lewin LM

更新日期：1986-07-01 00:00:00

abstract：:Previous studies have found that the ratio of estradiol to testosterone (E2/T ratio) has a negative effect on sexual function, but the relationship between the E2/T ratio and erection of the penis is not clarified. We conducted a retrospective study of 183 patients with erectile dysfunction and 52 healthy men to inves...

journal_title：Andrologia

authors： Pan D,Xu ZH,Gao Q,Li M,Guan Y,Zhao ST

更新日期：2020-10-01 00:00:00

abstract：:In this study, the presence of Chlamydia trachomatis, Neisseria gonorrhoeae, Trichomonas vaginalis, Mycoplasma hominis, Mycoplasma genitalium, Ureaplasma urealyticum and Ureaplasma parvumDNA were investigated using real-time multiplex PCR detection kit in the urine samples of 50 patients who presented to the infertili...

journal_title：Andrologia

authors： Akgul A,Kadioglu A,Koksal MO,Ozmez A,Agacfidan A

更新日期：2018-12-01 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：: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：:Varicocele is the most common cause of male infertility. Several theories have been proposed to explain how varicocele induces infertility. The role of epididymis in male infertility is not fully well established. Fibrinogen-like protein 2 is one of serine proteases and is a potent coagulant in membranous form and imm...

journal_title：Andrologia

authors： Elesawy FM,Abdel Hafeez NA,Abdelsalam OH,Akl EM

更新日期：2020-07-01 00:00:00

abstract：:In 136 patients tests were performed to demonstrate circulating spermagglutinating antibodies. In patients with "unexplained" infertility (15 cases) antibodies were demonstrated in six (40%) whereas in patients where another cause for infertility was present (101 cases) additional positive spermagglutinating antibodie...

journal_title：Andrologia

authors： Franken DR,Slabber CF

更新日期：1980-01-01 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：:High-fat diets (HFDs) are detrimental to steroidogenesis and male fertility. This study aimed to investigate the protective effects of melatonin (MT) treatment on testicular dysfunction in mice fed with HFD. C57BL/6J male mice were randomly divided into three groups: CTRL, HFD and HFD + MT. MT treatment mitigated the ...

journal_title：Andrologia

authors： Chen C,Ling MY,Lin FH,Xu L,Lv ZM

更新日期：2019-09-01 00:00:00

abstract：:A number of studies indicated a clear decline in semen quality in the past 30-50 years and there is accumulating evidence that this decline might result from exposure to high levels of air pollution. To examine the impact of environment on male reproductive ability, we undertook for the first time a pilot study on sem...

journal_title：Andrologia

authors： Paradisi R,Vanella S,Barzanti R,Cani C,Battaglia C,Seracchioli R,Venturoli S

更新日期：2009-06-01 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：:In order to detect abnormalities in the size of the penis, firstly, the penis length must be measured correctly. Controversies about the best technique on to be used to measure the length of the penis still persist. The hypothesis of this study is to show that penile length in children is longer than measured under no...

journal_title：Andrologia

authors： Akyüz O

更新日期：2020-12-01 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：:Male infertility affects approximately 30% of infertile couples. As spermatozoa mature in the epididymal lumen, their potential for mobility increases, and their protein, lipid and small RNA (sRNA) content changes, whereas capacitation and fertilisation take place in the female reproductive tract. Both of the latter p...

journal_title：Andrologia

authors： Ozkocer SE,Konac E

更新日期：2021-01-25 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