Effects of semen processing on the generation of reactive oxygen species and mitochondrial membrane potential of human spermatozoa.

abstract：:The study described here was carried out to establish whether or not chloroquine was excreted in semen. Chloroquine was assayed in the semen of eight male volunteers (aged between 19 and 45 years) by a fluorimetric method before and after taking a total dose of 1.500 mg chloroquine base corresponding to the accepted d...

journal_title：Andrologia

authors： Adeeko AO,Dada OA

更新日期：1994-05-01 00:00:00

abstract：:Methamphetamine has been reported to be an important drug in the field of reproductive toxicology. The aim of this study was to investigate the effects of methamphetamine administrations on sperm morphology, sperm concentration and apoptotic activity inside seminiferous tubule in male rats. Rats were administered a do...

journal_title：Andrologia

authors： Nudmamud-Thanoi S,Thanoi S

更新日期：2011-08-01 00:00:00

abstract：:The study was performed to measure the impact of testosterone (T) administration on circulating levels of 5alpha-dihydrotestosterone (DHT). Group 1 (32 men; mean age 61 years; mean T 6.9 +/- 1.9 nmol l(-1)) were treated for 15 months with long-acting T undecanoate. Group 2 (23 men, mean age 60 years, mean T 7.6 +/- 2....

journal_title：Andrologia

authors： Gooren LJ,Saad F,Haide A,Yassin A

更新日期：2008-10-01 00:00:00

abstract：:The possible physiological role of testicular corticotropin-releasing factor (CRF) in the regulation of testicular functions was studied in neonatal rats. Two microlitres of anti-CRF-antiserum (dilution: 1:10 or 1:100) was injected intratesticularly to 5 d-old rats with two testes and to hemicastrates. Five days after...

journal_title：Andrologia

authors： Gerendai I,Nemeskéri A,Csernus V

更新日期：1993-07-01 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：: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：: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：: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：:Progressive Motility Sustaining Factor (PMSF) was isolated from human epididymides. PMSF could significantly improve progressive motility of oligozoospermic as well as asthenozoospermic semen. PMSF was found to increase cyclic AMP accumulation by the human spermatozoa indicating its possible mode of action. ...

journal_title：Andrologia

authors： Sheth AR,Gunjikar AN,Shah GV

更新日期：1981-03-01 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 androgen receptor (AR) is a ligand-activated transcription factor member of the nuclear receptor superfamily. The existence of alternatively spliced variants is well recognised for several members of this superfamily, most of them having functional importance. For example, several testicular oestrogen receptor var...

journal_title：Andrologia

authors： Laurentino SS,Pinto PI,Tomás J,Cavaco JE,Sousa M,Barros A,Power DM,Canário AV,Socorro S

更新日期：2013-06-01 00:00:00

abstract：:Partial priapism is a rare disorder in literature and generally described as a contusion or thrombosis of the cavernous body of the penis secondary to blunt trauma. Because of the rarity of disease, there is not much information about the treatment. Conservative management with nonsteroidal anti-inflammatory drug is o...

journal_title：Andrologia

authors： Ozden S,Yildirim O,Ozbek E,Gulsen F

更新日期：2020-04-01 00:00:00

abstract：:Over the past decades, there is an increasing number of association studies of telomere length (TL) and the risk and recurrence of prostate cancer (PCa), but the results are inconsistent. Hence, we identify the relevant studies published in English on or before 10 January 2019 conducting a literature review in the ele...

journal_title：Andrologia

authors： Hu R,Hua XG,Jiang QC

更新日期：2019-08-01 00:00:00

abstract：:This study was performed to investigate the effect of propylthiouracil (PTU) on rat testis, and to compare the results of the different treatment regimens of levothyroxine and zinc. Twenty sexually mature Wistar albino rats were subjected to PTU for 14 days intraperitoneally to make them hypothyroidic. The effect of P...

journal_title：Andrologia

authors： Tahmaz L,Gökalp A,Kibar Y,Koçak I,Yalçin O,Ozercan Y

更新日期：2000-03-01 00:00:00

abstract：:The aim of this study was to investigate the effects of several dietary fatty acids (FAs) on semen quality and blood parameters in rams. We gave diet-supplemented treatments (35 g day(-1) ram(-1)) by C16:0 (palm oil), C18:2 [sunflower oil (SO)] and an n-3 source [fish oil (FO)] to 12 rams, who were fed for 15 weeks du...

journal_title：Andrologia

authors： Esmaeili V,Shahverdi AH,Alizadeh AR,Alipour H,Chehrazi M

更新日期：2014-02-01 00:00:00

abstract：:Intermittent hypobaric hypoxia (IHH) induced a decrease in sperm count and oxidative damage in epididymis. We have previously demonstrated that a blueberry-enriched polyphenol extract (BB-4) reduced the adverse effects of oxidative stress in rat testis under hypobaric hypoxia. The aim of this study was to evaluate whe...

journal_title：Andrologia

authors： Zepeda AB,Calaf GM,Figueroa CA,Farías JG

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 reduction of sperm motility and subsequently reduced ability to undergo capacitation and acrosome reaction are considered as common causes of male infertility. The β-defensin family is a group of well-known secretory proteins with antimicrobial activity that contribute to the process of "sperm maturation" during t...

journal_title：Andrologia

authors： Khayamabed R,Tavalaee M,Taherian SS,Nasr-Esfahani MH

更新日期：2020-02-01 00:00:00

abstract：:The sex chromosome-discordant chimerism 46,XX/46,XY is rarely found in humans with a phenotypically normal appearance, and this lack of phenotypic changes and the rarity of chimerism make it difficult to identify its exact incidence. Here, we report a case of this sex chromosome-discordant chimerism diagnosed by cytog...

journal_title：Andrologia

authors： Choi EJ,Kim SR,Kim YJ,Kang SM,Kim GY,Kim JH,Lee YJ

更新日期：2019-04-01 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：: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：: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：:We report an unusual case of recurrent, painful, unilateral gynaecomastia (GM) in an elderly male with relapsing Graves' hyperthyroidism and co-existing primary hypogonadism. This patient presented to the Breast Clinic with a 4-month history of painful, right GM. Malignancy was excluded but T3 was noted to be raised a...

journal_title：Andrologia

authors： Jayapaul M,Williams MR,Davies DP,Large DM

更新日期：2006-02-01 00:00:00

abstract：:Human ejaculates collected for in vitro procedures show variably rapid increases in osmolality, depending on enzymatic degradation of compounds. Changes in osmolality can affect cell functions due to the energy consuming processes needed to control cell volume. The aim was to examine the effects of a hypotonic challen...

journal_title：Andrologia

authors： Holmes E,Björndahl L,Kvist U

更新日期：2020-12-01 00:00:00

abstract：:In this study, we aimed to compare changes in cavernosal tissues in rats with antiandrogen treatment and orchiectomy. A total of 42 Wistar albino rats were divided into four groups. Group I, control group, Group II, LH-RH was given for 1 month, Group III-LH-RH + Bicalutamide was given for 1 month, and Group IV was def...

journal_title：Andrologia

authors： Firat F,Erdemir F,Günaydın B,Parlaktas BS,Markoç F,Yaşar A

更新日期：2020-06-01 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：: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：: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：:Previous studies have confirmed that spermatogenesis in homozygous Immp2l mutant male mice was normal at the age of 6 months, but was significantly abnormal at the age of 13 months. Meanwhile, oxidative stress is reported to be involved in spermatogenic impairment in old mutant mice. However, it is unclear whether ant...

journal_title：Andrologia

authors： Jiang Y,Liu C,Lei B,Xu X,Lu B

更新日期：2018-03-01 00:00:00

abstract：:Our aim was to establish the Estonian version of the National Institutes of Health chronic prostatitis symptom index (NIH-CPSI), and to examine its validity and applicability in chronic prostatitis patients as well as in community-based study. The questionnaire was tested in 54 category III prostatitis patients. In ad...

journal_title：Andrologia

authors： Korrovits P,Punab M,Mehik A,Mändar R

更新日期：2006-06-01 00:00:00