Analysis of endothelial nitric oxide synthase (eNOS) G894T polymorphism and semen parameters in a Chinese Han population.

abstract：:Autophagy is a pro-survival mechanism involving lysosomal degradation of damaged cellular components following multiple forms of cellular stress. There is currently a lack of literature on the mechanism, and specifically on mitophagy (selective autophagy of damaged pro-apoptotic mitochondria) in Sertoli cells (SCs). A...

journal_title：Andrologia

authors： Eid N,Kondo Y

更新日期：2018-02-01 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：:The purpose of this study was to compare the serum Folic Acid (FA) levels in patients with Erectile Dysfunction (ED) and healthy controls and whether levels vary with its severity. The study was carried out on 77 sexually active individuals, out of which 41 complained of ED and 36 were apparently normal. Patients were...

journal_title：Andrologia

authors： Gupta A,Priyadarshi S,Vyas N,Sharma G,Swain PK

更新日期：2021-02-01 00:00:00

abstract：:Chronic prostatitis/chronic pelvic pain syndrome (CP/CPPS) is an intractable disease. This study aimed to assess the efficacy of cryotherapy in the therapy of CP/CPPS. One hundred and seventy-two patients with CP/CPPS were randomised to receive cryotherapy or sham cryotherapy. The follow-up assessments were done at we...

journal_title：Andrologia

authors： Peng X,Gao H,Wang J

更新日期：2020-12-24 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：:Air pollution constitutes the largest cause of environmental risks today. At present, no scientific publication linking environmental black soot and derangement in the hypothalamus and testis of rats exists. This study investigated the effect of black soot exposure on hypothalamic and testicular functions of male rats...

journal_title：Andrologia

authors： Onyeso G,Bohr EL,Nkpaa KW,Amadi PN,Ugwu AC

更新日期：2020-12-01 00:00:00

abstract：:Although feeding diets containing the extract powder of Lepidium meyenii (maca), a plant growing in Peru's Central Andes, increases serum testosterone concentration associated with enhanced ability of testosterone production by Leydig cells in male rats, changes in testicular steroidogenesis-related factors by the mac...

journal_title：Andrologia

authors： Ohta Y,Kawate N,Inaba T,Morii H,Takahashi K,Tamada H

更新日期：2017-12-01 00:00:00

abstract：:Seminal oxidative stress plays an important role in male factor infertility (MFI), worldwide. A study was thus undertaken for the first time to establish seminal reactive oxygen species (ROS) as a clinical marker of MFI in a cohort of Sri Lankan males. The nitro blue tetrazolium (NBT) assay for ROS estimation and modi...

journal_title：Andrologia

authors： Amarasekara DS,Wijerathna S,Fernando C,Udagama PV

更新日期：2014-03-01 00:00:00

abstract：:Genetic factors that could mediate the pathogenesis of male reproductive disorders are largely unclear. Polymorphisms of cytochrome P4501A1 (CYP1A1), a key enzyme in the extrahepatic metabolism of lipophilic xenobiotics, have been shown to influence susceptibility to xenobiotics. Here, CYP1A1 polymorphisms were invest...

journal_title：Andrologia

authors： Fritsche E,Schuppe HC,Döhr O,Ruzicka T,Gleichmann E,Abel J

更新日期：1998-05-01 00:00:00

abstract：:This study was designed to evaluate the effects of semen processing on the generation of intracellular reactive oxygen species (ROS) and mitochondrial membrane potential (MMP) in spermatozoa, and to develop reliable indexes for the evaluation of sperm quality during sperm preparation. Swim-up and density gradient cent...

journal_title：Andrologia

authors： Li Z,Zhou Y,Liu R,Lin H,Liu W,Xiao W,Lin Q

更新日期：2012-06-01 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：:Serum prolactin concentration, measured by radioimmunoassay, was significantly higher (p less than 0.005) in 49 patients with impotence than in a control population of 16 normal subjects. 26.5% of the impotent patients had hyperprolactinemia. Their serum testosterone was also significantly lower (p less than 0.05). Br...

journal_title：Andrologia

authors： Modebe O

更新日期：1989-01-01 00:00:00

abstract：:Research has revealed that reactive oxygen species (ROS) negatively affect sperm function, both in vivo and in vitro. Sperm preparation techniques for assisted reproductive technologies (ART) are potential causes for additional ROS production. This study aimed to correlate the concentration of exogenous H(2)O(2) with ...

journal_title：Andrologia

authors： du Plessis SS,McAllister DA,Luu A,Savia J,Agarwal A,Lampiao F

更新日期：2010-06-01 00:00:00

abstract：:To explore the correlation between SERT expression and sexual activities and seek the possible mechanism of SERT in regulating ejaculations, we analysed the sexual activities and biochemical characteristics of five measured neural regions in three rat genotypes (SERT-/- , SERT+/- and SERT+/+ ). The results showed the ...

journal_title：Andrologia

authors： Geng H,Peng D,Huang Y,Tang D,Gao J,Zhang Y,Zhang X

更新日期：2019-08-01 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：: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：:By means of a recently developed apparatus ("Separon") motile spermatozoa were concentrated in a small volume of culture medium (0,3 ml). Sperm concentration, progressive motility and mean velocity of 60 ejaculates were determined by a computerized videomicrography system. After "Separon" sperm concentration was reduc...

journal_title：Andrologia

authors： Wölbling RH,Pemper B,Möslein S,Milbradt R,Taubert HD

更新日期：1988-01-01 00:00:00

abstract：:DNA specific fluorochrome (Hoechst 33342 and 33258) as non-toxic stains, have been widely used to measure cell density and proliferation, detect sperm-egg fusion, and observe the development of pre-implantation embryos. It has been reported that Hoechst 33342 at a concentration of 10 micrograms ml-1 had significant in...

journal_title：Andrologia

authors： Yelian FD,Dukelow WR

更新日期：1992-05-01 00:00:00

abstract：:Several studies have shown that high oxidative stress levels are associated with varicocele. The GST (glutathione S-transferase) family of genes is critical in the protection of cells from oxidative stress because they utilise as substrates a wide variety of products of oxidative stress. The objective of this study wa...

journal_title：Andrologia

authors： Acar H,Kılınç M,Guven S,Inan Z

更新日期：2012-02-01 00:00:00

abstract：:Altered protamine 1 (PRM1)/ protamine 2 (PRM2) mRNA ratio in testicular biopsy samples correlates with sperm quality and its fertilising ability. This study is planned to assess PRM1/ PRM2 mRNA ratio in subgroups of azoospermia to suggest a more reliable and accurate marker for assessing sperm quality in nonobstructiv...

journal_title：Andrologia

authors： Amjad S,Mushtaq S,Rehman R,Munir A,Zahid N,Siddique PQR

更新日期：2021-01-11 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

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：:The penile prosthesis has become established as a mode of therapy for organic and chronic psychogenic impotence. The Jonas type of penile prosthesis has been implanted into 10 patients and has achieved both functional success and excellent acceptance by the partner. Mechanical and pathological complications have a ver...

journal_title：Andrologia

authors： Reisner GS,Lording DW,Rose N

更新日期：1984-05-01 00:00:00

abstract：:CAG trinucleotide repeats are coded for the polyglutamine tract in the N-terminal of the androgen receptor (AR) gene which varies in normal individuals from 6 to 36 residues. In this study, we inspected the impact of the CAG repeats on the spermatogenic defects by measuring the size of AR-CAG repeats length in a cohor...

journal_title：Andrologia

authors： Al Zoubi MS,Bataineh H,Rashed M,Al-Trad B,Aljabali AAA,Al-Zoubi RM,Al Hamad M,Issam AbuAlArjah M,Batiha O,Al-Batayneh KM

更新日期：2020-10-01 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：:Previous study conducted in our department showed that 50% ethanolic extract of the root of Ricinus communis possess reversible antifertility effect and a 62-kDa protein (Rp) from this extract is responsible for the antifertility effects. In this study, we compared the spermicidal effect of this Rp with nonoxynol-9 (N...

journal_title：Andrologia

authors： Nithya RS,Anuja MM,Rajamanickam C,Indira M

更新日期：2012-12-01 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：:We investigated whether chronic stress, applied from prepuberty to early puberty, interferes with the spermatogenic and androgenic testicular functions. Male pubertal rats (40 days old) were immobilized 6 h per day for 15 days. Plasma concentrations of corticosterone, prolactin and testosterone were significantly augm...

journal_title：Andrologia

authors： Almeida SA,Petenusci SO,Franci JA,Rosa e Silva AA,Carvalho TL

更新日期：2000-01-01 00:00:00

abstract：:Two esterases previously identified in seminal plasma, on the basis of their electrophoretic mobility, immunogenicity and sensitivity to organophosphorus esters were detected in various human external secretions and leucocyte extracts. alpha-Esterase was found to be abundant in urine and milk whereas this enzyme occur...

journal_title：Andrologia

authors： Roberts TK,Masson PL,Lauwerys R,Heremans JF

更新日期：1976-01-01 00:00:00

abstract：:The cause of Sertoli cell-only syndrome (SCOS), a condition in which only Sertoli cells line the seminiferous tubules in the testis, is unknown. Three microarray data sets were downloaded from public databases and were used to compare SCOS and control group. A total of 291 genes differentially expressed (Log2 |FC| ≥ 1...

journal_title：Andrologia

authors： Zhang H,Zhou D,Zhu F,Chen F,Zhu Y,Yu R,Fan L

更新日期：2019-08-01 00:00:00