Semen quality and freezability analysis during breeding and non-breeding seasons in heavy draft stallions in southern Chile.

abstract：:A global increase in the incidence of subfertility is observed, and research suggests strong genetic influences that might restrict fertility directly or indirectly. It therefore becomes important to rule out the existence of genetic causes and counsel infertile couples before offering "Advanced Infertility Treatment ...

journal_title：Andrologia

authors： Fatima SS,Rehman R,Martins RS,Alam F,Ashraf M

更新日期：2019-11-01 00:00:00

abstract：:Administration of indomethacin exhibited antigonadal action by inhibiting the Leydig cells, sex-accessories and spermatocyte-spermatid conversion process. Administration of PGE2 or PGF2 alpha had no effect on Leydig cell nuclear volume or accessory organ weights, but PGE2 had a restorative effect on the efficiency of ...

journal_title：Andrologia

authors： Sanyal S,Patra PB,Nag S,Biswas NM

更新日期：1980-03-01 00:00:00

abstract：:Based on the synchronization between a periodic vibration and flashing light, we designed a device to determine the flagellar beating frequency of human sperm. The head of a spermatozoon was either held by the tip of a micropipette operated with a micromanipulator or adhered by itself on the surface of a glass slide w...

journal_title：Andrologia

authors： Chen CS,Chao HT,Leng CH,Pan RL,Wei YH

更新日期：1998-02-01 00:00:00

abstract：:Oestrus urine was proved as a potential endocrine modulator in alleviating the toxicity induced by 3-methylcholanthrene (3-MC) in male rats. We, in this study, aimed to prove the attributing potential of toxicity alleviation to squalene, an oestrus-specific pheromone in rats. A single dose of 3-methylcholanthrene (25 ...

journal_title：Andrologia

authors： Suriyakalaa U,Ramachandran R,Usha K,Sankarganesh D,Praveenkumar D,Abinaya S,Tirupathi Pichiah PB,Kamalakkannan S,Achiraman S

更新日期：2018-12-01 00:00:00

abstract：:We evaluated the reproductive potential of frozen/thawed testicular spermatozoa of azoospermic men with left varicocele. The role of testicular tissue telomerase assay (TTA) in the prediction of the presence of testicular spermatozoa pre- and post-varicocelectomy was investigated, as well. Therapeutic testicular biops...

journal_title：Andrologia

authors： Giannakis D,Baltogiannis D,Tsoukanelis K,Loutradis D,Miyagawa I,Makrydimas G,Kanakas N,Sofikitis N

更新日期：2004-06-01 00:00:00

abstract：:Chlamydia trachomatis infection is one of the most common sexually transmitted diseases. Its effect on male fertility, however, is still controversial. In this study, 284 male partners of infertile couples consulting the Center of Studies in Reproductive Biology (CEBRE) were analyzed. The incidence of C. trachomatis i...

journal_title：Andrologia

authors： Vigil P,Morales P,Tapia A,Riquelme R,Salgado AM

更新日期：2002-06-01 00:00:00

abstract：:Almost all testicular germ cell tumours are proved to originate from carcinoma in situ cells. Infertility is one of the factors that increase the risk of carcinoma in situ. The reported prevalence for carcinoma in situ from different parts of the world is 0-3.7% in infertile men. This retrospective study was performed...

journal_title：Andrologia

authors： Soltanghoraee H,Pourkeramati F,Khoddami M,Amirjannati N,Akhondi MM,Soltani A

更新日期：2014-09-01 00:00:00

abstract：:This study scrutinised the ameliorative properties of grape seed extract (GSE) in dexamethasone (DEX)-induced testicular and thyroid dysfunction associated with oxidative stress in male albino rats. Thirty-two healthy adult male albino rats were divided into four groups of eight animals each: normal, DEX control, DEX ...

journal_title：Andrologia

authors： Hasona NA

更新日期：2018-06-01 00:00:00

abstract：:The effect of chronic chloroquine administration on prostaglandin E1 (PGE1) and human chorionic gonadotropin (hCG) stimulation of testosterone secretion by the rat Leydig cells was studied. Adult albino (Wistar strain) rats were injected with 4 mg/kg body weight of chloroquine phosphate every other day for 30 days. At...

journal_title：Andrologia

authors： Nduka EU,Dada OA

更新日期：1987-09-01 00:00:00

abstract：:Male infertility is a major health problem worldwide. We investigated a possible association between leptin, obesity, hormonal interplay and male infertility. This cross-sectional study of 313 males (178 infertile and 135 fertile) was carried out in 2017. The subjects were categorised by body mass index (BMI) and body...

journal_title：Andrologia

authors： Amjad S,Baig M,Zahid N,Tariq S,Rehman R

更新日期：2019-02-01 00:00:00

abstract：:Lipomas are the most common benign tumours that originate from adipose tissue and can develop in any anatomical location where the adipose tissue layer is present in the body. Penile lipoma cases are very rare in the literature. Our case is a 21-year-old male patient who underwent TIPU operation 8 years ago due to dis...

journal_title：Andrologia

authors： Ogras MS,Oguz E,Yildirim K

更新日期：2019-07-01 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 purpose of this study was to explore the value of two-dimensional ShearWave™ Elastography (2D-SWE) on quantitatively evaluating the change of the content of collagen fibres in penis. Twenty male Sprague Dawley rats were divided into the pre-sexual maturity group (Group 1) and the sexual decline group (Group 2) acc...

journal_title：Andrologia

authors： Qiao XH,Zhang JJ,Gao F,Li F,Bai M,Du LF,Xing JF

更新日期：2017-06-01 00:00:00

abstract：:Structural heterozygosities of the karyotype have detrimental effects on the meiotic process, resulting very often in impairment of fertility in the carriers. Both male and female germ cell development are affected by chromosomal variability although spermatogenesis seems particularly prone to be affected, probably be...

journal_title：Andrologia

authors： Redi CA,Garagna S

更新日期：1992-01-01 00:00:00

abstract：:Leptin is a 167-amino acid protein that stimulates gonadotrophin-releasing hormone secretion and exerts indirect effects on the gonads via neuropeptide Y, NPY. Recent research has suggested that leptin may also have an effect on testosterone secretion. To investigate the role of leptin in reproduction, leptin in testi...

journal_title：Andrologia

authors： Glander HJ,Lammert A,Paasch U,Glasow A,Kratzsch J

更新日期：2002-09-01 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：:Sperm cell plasma membrane and the outer acrosomal membrane fuse profusely during the acrosome reaction. The process is triggered by extracellular signals that elicit several intracellular events leading ultimately to membrane fusion. We have developed a streptolysin O permeabilizing protocol that selectively affects ...

journal_title：Andrologia

authors： Díaz A,Domínguez L,Fornés MW,Burgos MH,Mayorga LS

更新日期：1996-01-01 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：:Our aim was to compare peripheral blood and seminal fluid serum amyloid A (SAA) protein levels in men classified on the basis of sperm concentration and investigate whether SAA protein is an important marker of male infertility. A total of 74 first-attempt IVF male partners of infertile couples classified as azoosperm...

journal_title：Andrologia

authors： Timur H,Kokanali MK,Inal HA,Tuzluoglu D,Yilmaz N

更新日期：2016-08-01 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：:Nonsomatic factors play a significant role in erectile dysfunction. We assessed the impact on men suffering from male factor infertility by employing the validated Self-Esteem and Relationship questionnaire (SEAR) and compared the scores with controls. Men with primary infertility were asked to fill SEAR questionnaire...

journal_title：Andrologia

authors： Jamil S,Shoaib M,Aziz W,Ather MH

更新日期：2020-03-01 00:00:00

abstract：:Carriers of structural chromosomal anomalies, translocations and inversions are at increased risk of aneuploid gametes production. Besides the direct effect on the involved chromosomes, these rearrangements might disturb the segregation of other structurally normal chromosomes during meiosis. Such event is known as in...

journal_title：Andrologia

authors： Hajlaoui A,Slimani W,Kammoun M,Sallem A,Braham S,Bibi M,Saad A,Mougou-Zerelli S

更新日期：2018-01-15 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：:To further investigate the effectiveness of pentoxifylline (trental) treatment in male infertility, we studied 22 young men (mean age 28.4 years) with "idiopathic" oligo-asthenozoospermia treated for 6 months with the drug (1200 mg daily orally). Sperm concentration and sperm motility were determined before therapy, a...

journal_title：Andrologia

authors： Marrama P,Baraghini GF,Carani C,Celani MF,Giovenco P,Grandi F,Montanini V

更新日期：1985-11-01 00:00:00

abstract：:MAGI is the inflammation of the accessory male glands that notoriously exerts a negative influence on male fertility. The diagnosis is integrated by clinical, laboratory and ultrasound evaluation. In particular, the ultrasound criteria were published in 1999. The aim of this study was to analyse the sensitivity and sp...

journal_title：Andrologia

authors： La Vignera S,Calogero AE,Condorelli RA,Vicari LO,Catanuso M,D'Agata R,Vicari E

更新日期：2012-05-01 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：:One prerequisite for fertilization is the specific binding of spermatozoa to the zona pellucida. However, the factors and mechanisms involved in this gamete contact are not well understood. Gamete recognition and binding are species-specific and are controlled by oligosaccharides of the zona and their corresponding ca...

journal_title：Andrologia

authors： Michelmann HW,Töpfer-Petersen E,Schwartz P,Gratz G,Magerkurth C

更新日期：2001-09-01 00:00:00

abstract：:Azoospermia factor (AZF) genes are involved in spermatogenesis. Deletions in the region of these genes have been recognised as a major genetic cause of infertility due to defects in spermatogenesis. Klinefelter syndrome (KS) is the other main cause of male infertility. This study was performed to establish a novel met...

journal_title：Andrologia

authors： Bahrami Zadegan S,Dabbagh Bagheri S,Joudaki A,Samiee Aref MH,Saeidian AH,Abiri M,Zeinali S

更新日期：2017-12-28 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：:Chronic prostatitis/chronic pelvic pain syndrome (CP⁄CPPS) is the prostate gland inflammation characterised as genitourinary pain in the pelvic region. The rat experimental autoimmune prostatitis (EAP) was achieved to mimic CP⁄CPPS. The expressions of transient receptor potential vanilloid 1 (TRPV1) in the prostate, b...

journal_title：Andrologia

authors： Zhang J,Yi QT,Gong M,Zhang YQ,Liu D,Zhu RJ

更新日期：2019-09-01 00:00:00