Ultrastructural and immunocytochemical study of P1 protamine localization in human testis.

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：: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：:In 20 autoptically obtained testes from men of various ages, 250-290 testicular lobules per testicle could be recognized by preparation with a stereomicroscope. The most appropriate technique was the fixation of the testes in 10% formol for at least 14 days and a following dehydration in a series of increasing concent...

journal_title：Andrologia

authors： Countouris N,Holstein AF

更新日期：1985-11-01 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：: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：:Based on cytological criteria, three types of A-Spermatogonia may be distinguished in the germinal epithelium of normal men. Cells belonging to Type I conform to A pale spermatogonia and those classified as Type II conform to A dark-spermatogonia according to Clermont ()963). Type III-spermatogonia do not meet the cri...

journal_title：Andrologia

authors： Schulze W

更新日期：1978-07-01 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

abstract：:The influence of bacteria and/or leukocytes on the outcome of IVF or ICSI is influenced by three factors which have little in common with in vivo conditions: 1) The process of ejaculate preparation (swim-up, Percoll) with antibiotic buffered media; 2) The small amount of inseminated spermatozoa (100,000 per culture); ...

journal_title：Andrologia

authors： Michelmann HW

更新日期：1998-01-01 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

abstract：:The aim of this study was to find discriminatory parameters, based on sperm characteristics on the day of ovum pickup, that can help guide the decision to perform either intracytoplasmic sperm injection (ICSI) or in vitro fertilisation (IVF). We evaluated 112 cycles fertilised with both regular and ICSI insemination d...

journal_title：Andrologia

authors： Wiser A,Ghetler Y,Gonen O,Piura E,Berkovits A,Itskovich A,Rom T,Shulman A

更新日期：2012-04-01 00:00:00

abstract：:Protein in intact coagulum of fresh human ejaculate was extracted by 0.25 N HCl, the condition used for extraction of sperm basic proteins. About 75% of the total coagulum protein was found to be acid-extractable and therefore so-called coagulum basic proteins (CBP). The CBP were glycosylated and entirely distinguisha...

journal_title：Andrologia

authors： Kusamran T,Surakarnkul R

更新日期：1983-07-01 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：:Efficacy and safety of testosterone gel 2% (TG) were evaluated in two phase 3, open-labelled, single-arm, multicentre studies (000023 and extension study 000077). Hypogonadal men having serum testosterone levels <300 ng/dl at two consecutive measurements were included. Study duration was 9 months (000023: 3 months; 00...

journal_title：Andrologia

authors： Belkoff L,Brock G,Carrara D,Neijber A,Ando M,Mitchel J

更新日期：2018-02-01 00:00:00

abstract：:Esterase isozymes were studied in mouse epididymis of two inbred strains (C57BL, DBA/2) and in a natural population (Swiss OF1), by using vertical polyacrylamide gel electrophoresis and staining with alpha or beta-naphthyl acetate as a substrate. Eighteen (C57BL), 17 (DBA/2) or 16 (Swiss OF1) epididymal isozymes were ...

journal_title：Andrologia

authors： Abou-Haila A,Fain-Maurel MA

更新日期：1986-11-01 00:00:00

abstract：:A partial cDNA sequence of the boar 28, 29-kDa proacrosin-binding protein was determined. The desired sequence was amplified and obtained by RT-PCR followed by nested PCR. The oligonucleotide primers for RT-PCR were designed by deduction from the internal amino acid sequence of the boar proacrosin-binding protein. An ...

journal_title：Andrologia

authors： Huh K,Yi LS

更新日期：2001-11-01 00:00:00

abstract：:Primary seminal vesicle adenocarcinoma is a rare malignancy of the male genito-urinary system with only a few confirmed reported cases. Initial tissue diagnostic modality is often a core biopsy specimen. Here, we report this rare entity in a 50-year-old male, highlighting the histomorphological and immunohistochemical...

journal_title：Andrologia

authors： Bhardwaj N,Rastogi P,Attri VS,Bora GS,Gorsi U

更新日期：2020-04-01 00:00:00

abstract：:This study was aimed at determining the effects of corn and wheat gluten, used as dietary protein sources, on live weight gain, sperm quality and the histology of the testes and accessory glands in male rats. For this purpose, 20-day-old 24 male Wistar albino rats were randomly assigned to three groups. Group 1 (Contr...

journal_title：Andrologia

authors： Gumus R,Uslu S,Uslu BA

更新日期：2020-07-01 00:00:00

abstract：:A histochemical study has been made of the localization and changes of lipids, carbohydrates, ATPase and 5'-nucleotidase in fresh and fixed frozen sections of testicular and epididymal components in the normal and alpha-chlorohydrin-treated rats. After treatment with a single low dose of alpha-chlorohydrin, the phosph...

journal_title：Andrologia

authors： Guraya SS,Gill SK

更新日期：1978-07-01 00:00:00

abstract：:Spermatozoa of six men with normozoospermia, oligozoospermia and teratozoospermia were capacitated in vitro in modified Tyrode's medium und evaluated for acrosome reaction using the recently described triple-stain technique. The resulting kinetics illustrate the different capacitation behaviour and ability of spermato...

journal_title：Andrologia

authors： Töpfer-Petersen E,Heissler E,Schill WB

更新日期：1985-05-01 00:00:00

abstract：:This prospective-cohort study aimed at investigating the influence of paternal lifestyle factors on semen parameters and intracytoplasmic sperm injection (ICSI) outcomes. The influence of paternal lifestyle factors on seminal quality and ICSI outcomes was investigated in male patients undergoing conventional semen ana...

journal_title：Andrologia

authors： Borges E Jr,Braga DPAF,Provenza RR,Figueira RCS,Iaconelli A Jr,Setti AS

更新日期：2018-11-01 00:00:00

abstract：:The purpose of this prospective study was to evaluate Kruger strict morphology and conventional semen analysis in predicting cryosurvival and the progressive motility recovery rate of frozen spermatozoa. Our study included 56 semen samples with >10 million spermatozoa per ejaculate. The main outcome measures were conv...

journal_title：Andrologia

authors： Lee CY,Lee CT,Wu CH,Hsu CS,Hsu MI

更新日期：2012-05-01 00:00:00

abstract：:The aim of this study was to compare the effectiveness of antioxidants including cysteamine (2.5, 7.5 mm), hyaluronan (0.25, 1 mg ml(-1) ) and fetuin (5, 10 mg ml(-1) ) in the freezing of Brown Swiss bull semen. The best percentages of CASA motilities were achieved with 10 mg ml(-1) of fetuin and 2.5 mm of cysteamine....

journal_title：Andrologia

authors： Sarıözkan S,Tuncer PB,Büyükleblebici S,Bucak MN,Cantürk F,Eken A

更新日期：2015-03-01 00:00:00

abstract：:Decreased sperm quality was caused by oxidative stress in semen from patients with leucocytospermia. Curcumin is a traditional Chinese herbal monomer extracted from Zingiberaceae turmeric and zedoary turmeric and has antioxidative and anti-inflammatory effects. This study aimed to investigate the effects and specific ...

journal_title：Andrologia

authors： Zhang L,Diao RY,Duan YG,Yi TH,Cai ZM

更新日期：2017-12-01 00:00:00

abstract：:Alkaline (ALP) and acid (ACP) phosphomonoesterases present in the cell-free extracts of the Triton x-100 treated freshly ejaculated chicken spermatozoa were studied of some of their physico-chemical properties. Alkaline phosphomonoesterase was found to have the optimal specific activity at pH 7.6 in 100 mM Tris-HCl bu...

journal_title：Andrologia

authors： Mohan J,Panda JN,Singh US

更新日期：1989-01-01 00:00:00

abstract：:In 1982, 89 men from all over the FRG participated in an investigation of sperm density and the presence of selected persistent environmental chemicals in their semen. Semen concentrations for the following chemicals were measured: lead, cadmium, hexachlorobenzene (HCBC), a-hexachlorocyclohexane (a-BHC), DDT and metab...

journal_title：Andrologia

authors： Stachel B,Dougherty RC,Lahl U,Schlösser M,Zeschmar B

更新日期：1989-05-01 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：: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：:The cooperation in cases of childlessness between andrologists and gynecologists is an essential of any treatment. In a short communication it was shown that a special investigation form can be helpful for reciprocal information. This investigation form improves the information rate form 10% to 30%. In some cases the ...

journal_title：Andrologia

authors： Schirren C

更新日期：1987-11-01 00:00:00

abstract：:In cases of varicocele the reverse venous blood flow can be detected by the use of the Doppler-stethoscope in a simple way. Applied to the basic examination of fertility patients this method has proved to be a valuable non-invasive screening in the evaluation of varicoceles including cases with minor clinical symptoms...

journal_title：Andrologia

authors： Ebert L,Bedbur M,Hofmann N

更新日期：1980-09-01 00:00:00

abstract：:An estrogen binding protein has been demonstrated in the cytosol of the epididymis and caudal lobe of prostate of immature rhesus monkey. Scatchard plot analyses were linear, suggesting a single class of high affinity binding sites for the synthetic estrogen, R-2858 (Moxestrol) with a Kd of 5.88 X 10(-10) mol/l and a ...

journal_title：Andrologia

authors： Kamal N,Agarwal AK,Jehan Q,Setty BS

更新日期：1985-07-01 00:00:00