Prevalence of low serum cobalamin in infertile couples.

abstract：:The aim of this study was to comprise the effect of catalase on sperm parameters and chromatin in normospermic persons. Semen samples were obtained from fertile men. A certain amount of different concentrations of catalase (0.1, 1, 10, 50, 100, 150 and 200 IU.ml) was added to each vial containing semen. Control group ...

journal_title：Andrologia

authors： Mohammadzadeh M,Ramazani V,Khalili MA,Hamishekar H,Dehghan Marvast L,Talebi AR,Zare-Zardini H,Ghasemi S

更新日期：2019-05-01 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：:Flutamide is a steroid used to treat androgen-dependent disorders and as antiepileptic, but it induces a number of non-desirable side effects. This work was aimed at assaying the effect of flutamide and two novel synthetic steroids on the levels of GABA, glutamine and oxidative stress markers. Male Wistar rats (weight...

journal_title：Andrologia

authors： Calderón Guzmán D,Bratoeff E,Ramírez López E,Hernández García E,Pierdant Rioja F,Osnaya Brizuela N,Trujillo Jiménez F,Barragán Mejía G,Juárez Olguín H,Santamaría Del Ángel D

更新日期：2011-08-01 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：:Epidermal growth factor concentrations and amounts per ejaculate were determined in 162 infertile men and in a control group of 50 pregnancy-proven fertile men. No differences were found between those groups. The group of infertile patients was divided into sub-groups according to their sperm density. EGF values in th...

journal_title：Andrologia

authors： Delgado SR,Ramirez K,Mallea E

更新日期：1991-05-01 00:00:00

abstract：:Proteins secreted by human seminal vesicles are strongly positively charged. Cellulose acetate electrophoresis show how the presence of two protein bands of vesicular origin (N3 and N4). When studied on SDS-PAGE there are three main bands of molecular weight 67, 45 and 40 kDa, respectively. These proteins may be separ...

journal_title：Andrologia

authors： Montagnon D,Valtat B,Vignon F,Koll-Back MH

更新日期：1990-01-01 00:00:00

abstract：:The CAG repeat and its association with infertility has been debatable. Therefore, this study was planned to assess the distribution of CAG repeat expansion in Egyptian patients and to investigate its association with male infertility. Forty-five infertile men were eligible for the study in addition to 20 aged-matched...

journal_title：Andrologia

authors： Mosaad YM,Shahin D,Elkholy AA,Mosbah A,Badawy W

更新日期：2012-02-01 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：: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

abstract：:The objective of this study was to evaluate pubertal onset and characteristics in Egyptian boys. Examination of schoolboys (9-18 years) included height (cm), penile length (cm) and testicular volume (ml). Pubertal onset was considered at gonadal (G) stage 2 (G2 indicated testicular volume from 4-8 ml). Out of 1,078 bo...

journal_title：Andrologia

authors： Saleh R,Abu El-Hamd M,Abdel-Karim M,Abdelrahman H

更新日期：2019-03-01 00:00:00

abstract：:Male fertility preservation has been steadily increasing over the past two decades. Significant improvements have been achieved in the treatment modalities of cancer and other severe chronic medical conditions, leading to an increase in patient survivorship and the resulting demand for future parenthood. Recognition a...

journal_title：Andrologia

authors： Grin L,Girsh E,Harlev A

更新日期：2020-05-11 00:00:00

abstract：:The aim of the study was to examine possible impacts of paroxetine and agomelatine on the levels of some components that constitute the seminal vesicle fluid. As a second purpose, it was also aimed to examine how possible negative effects induced by paroxetine on seminal vesicle fluid components were affected by kissp...

journal_title：Andrologia

authors： Gulcu Bulmus F,Canpolat S,Sahin Z,Bulmus O,Serhatlioglu I,Kelestimur H

更新日期：2020-05-01 00:00:00

abstract：:The purpose of this study was to detect the effects of bacterial infection on human sperm nuclear protamines and DNA fragmentation. In this study, 120 semen samples were collected from unselected male partners of couples consulting for infertility in infertility and obstetrics clinic. All the samples were screened bac...

journal_title：Andrologia

authors： Zeyad A,Hamad MF,Hammadeh ME

更新日期：2018-03-01 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：: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：:For the 13 abnormalities under consideration, the mean percentages were found to be the following: irregular head (15.2), microcephalic (9.8), elongated head (5.9), coiled tail (5.8), bent tail (4.7), thin head (4.6), cytoplasmic remains (3.2), macrocephalic (1.6), short tail (1.1), no tail (0.6), duplicate tail (0.5)...

journal_title：Andrologia

authors： Schwartz D,Mayaux MJ,Guihard-Moscato ML,Spira A,Jouannet P,Czyglik F,David G

更新日期：1984-09-01 00:00:00

abstract：:According to numerous assisted reproductive medicine practitioners, semen with normal characteristics might not require further investigation. However, on the scale of the individual spermatozoon, it is well known that normal morphology does not guarantee optimal nuclear quality. Here, for 20 patients with normal sper...

journal_title：Andrologia

authors： Boitrelle F,Pagnier M,Athiel Y,Swierkowski-Blanchard N,Torre A,Alter L,Muratorio C,Vialard F,Albert M,Selva J

更新日期：2015-10-01 00:00:00

abstract：:The manual of the World Health Organization defines leucocytospermia as the presence of >1 x 10(6) white blood cells per ml semen. Most authors consider leucocytospermia to be a consequence of inflammation due to bacterial infection. However, the efficacy of antibiotic therapy was not unequivocally demonstrated until ...

journal_title：Andrologia

authors： Krisp A,Hörster S,Skrzypek J,Krause W

更新日期：2003-08-01 00:00:00

abstract：:The prime concern of the present work was the analysis of dermatoglyphic patterns in infertile patients presenting with clinically detectable varicocele. In a controlled study conducted on 30 patients and utilizing a slight modification of the original ink method of Cummins and Midlo, the dermatoglyphics on terminal p...

journal_title：Andrologia

authors： Salam EA,Hafiez AR,El Kerdasi Z,Aiad F,Mahmoud KZ

更新日期：1984-03-01 00:00:00

abstract：:On the basis of the concept that immunogenetic factors play a role in the incidence of unexplained male infertility, the so-called idiopathic infertility, HLA antigen analyses were performed for (1) azoospermia cases among the infertile males diagnosed by testicular biopsies as having germ cell aplasia and (2) unexpla...

journal_title：Andrologia

authors： Kamidono S,Matsumoto O,Ishigami J,Nakao Y,Tsuji K

更新日期：1980-07-01 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：:Leydig cell function, as judged from testosterone concentrations in plasma and in testicular tissue after LH stimulation, was tested in adult rat testes 4 days after brief exposure of the scrotum to 33 degrees and 43 degrees C, respectively. There was no significant difference in basal plasma testosterone concentratio...

journal_title：Andrologia

authors： Damber JE,Bergh A,Janson PO

更新日期：1980-01-01 00:00:00

abstract：:The present study was conducted to evaluate in vitro and in vivo antiproliferative potential of the Cameroonian propolis and to elucidate its underlying mechanism. In vitro, ethanol-extracted propolis (EEP) was tested on cell growth, cell proliferation, cell cycle, cell death mechanism and cell migration. The cell cyc...

journal_title：Andrologia

authors： Zingue S,Maxeiner S,Rutz J,Ndinteh DT,Chun FK,Fohouo FT,Njamen D,Blaheta RA

更新日期：2020-10-01 00:00:00

abstract：:The aim of this study was to determine the effect(s) of dietary omega-3 polyunsaturated fatty acids (ω-3 PUFA) on rabbit semen. Adult rabbit bucks were assigned to two groups that were given two diets, a standard diet (control) and a diet supplemented with ω-3 PUFA. Sperm samples were collected from all bucks with the...

journal_title：Andrologia

authors： Kokoli AN,Lavrentiadou SN,Zervos IA,Tsantarliotou MP,Georgiadis MP,Nikolaidis EA,Botsoglou N,Boscos CM,Taitzoglou IA

更新日期：2017-12-01 00:00:00

abstract：:For patients with threatened fertility, preservation of it is a major concern. Although promising results have been obtained in animal models using testicular germ cell suspensions, in humans, it is crucial to first develop an efficient method of cryopreservation to be able to apply to transplantation. Thus, four reli...

journal_title：Andrologia

authors： Sá R,Cremades N,Malheiro I,Sousa M

更新日期：2012-12-01 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：:The aim of this study was to evaluate the production of artefacts during preparation and observation of human sperm for ultrastructural morphology and analyse the possible reasons of causing these artefacts. Under the scanning electron microscopy, damaged sperm heads (crack or/and rupture), necks (head-neck or head-mi...

journal_title：Andrologia

authors： Zhu WJ

更新日期：2018-09-01 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 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：:In mice, chronic administration of crude marihuana extract (CME), delta-9-tetrahydrocannabinol (THC), cannabidiol (CBD) and cannabinol (CBN) (50 mg kg-1 body weight for 15 and 35 days) impaired spermatogenesis at both mitotic and meiotic stages. Although the total number of step 7 spermatids was unaltered, mature sper...

journal_title：Andrologia

authors： Patra PB,Wadsworth RM

更新日期：1991-03-01 00:00:00