Melatonin and sperm motility.

abstract：:The application of assisted reproductive technologies (ART) has revolutionised the treatment of human infertility, giving hope to the patients previously considered incapable of establishing pregnancy. While semen analysis is performed to access whether a sample has an adequate number of viable, motile and morphologic...

journal_title：Andrologia

authors： Pinto S,Carrageta DF,Alves MG,Rocha A,Agarwal A,Barros A,Oliveira PF

更新日期：2020-06-28 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：:The simultaneous swimming up and down from identical semen specimens suggested that the separation efficiency of progressively motile sperm by the swim-down method was superior to that of the swim-up method. The swimming down was performed in a small plastic funnel, the bottom of which was plugged with a 2.5 ml dispos...

journal_title：Andrologia

authors： Kobayashi T,Kaneko S,Hara I,Aoki R,Ohno T,Nozawa S

更新日期：1991-01-01 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：:High-fat diets (HFDs) are detrimental to steroidogenesis and male fertility. This study aimed to investigate the protective effects of melatonin (MT) treatment on testicular dysfunction in mice fed with HFD. C57BL/6J male mice were randomly divided into three groups: CTRL, HFD and HFD + MT. MT treatment mitigated the ...

journal_title：Andrologia

authors： Chen C,Ling MY,Lin FH,Xu L,Lv ZM

更新日期：2019-09-01 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 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：:Epididymal sperm reserve was determined in 6 sexually mature fertile buffalo-bulls having normal process of spermatogenesis. The relative distribution of spermatozoa in the caput, corpus and cauda epididymidis averaged 5.42, 0.75 and 11.45 billion respectively. Total epididymal sperm reserve per bull averaged 36.2 bil...

journal_title：Andrologia

authors： Sharma AK,Gupta RC

更新日期：1978-11-01 00:00:00

abstract：:The aim of the present study was to investigate the ameliorative effect of curcumin (CMN) against acute cadmium chloride (CdCl(2)) toxicity on male reproductive system in rats. CdCl(2) is known to be a heavy metal and potential environmental pollutant. For this purpose, 28 rats were equally divided into four groups; t...

journal_title：Andrologia

authors： Oguzturk H,Ciftci O,Aydin M,Timurkaan N,Beytur A,Yilmaz F

更新日期：2012-08-01 00:00:00

abstract：:Immunohistochemical and morphological examination of 50 bilateral testicular biopsies of infertile men shows the presence of immunoglobulin in 20% of the cases, suggesting that testicular immune phenomena might be implicated in the pathogenesis of infertility. Several observations make it clear that immune phenomena a...

journal_title：Andrologia

authors： Jadot-Van De Casseye M,De Bled G,Gepts W,Schoysman R

更新日期：1980-03-01 00:00:00

abstract：:This study was set to determine if there is a correlation between the general toxic effect and the gonadotoxic effect of DBCP on male rats. Groups of male rats were injected with a single dose of DBCP (50 mg kg-1) dissolved in dimethylsulfoxide (DMSO). Twenty four hours, one and four weeks post injection animals were ...

journal_title：Andrologia

authors： Kaplanski J,Shemi D,Waksman J,Potashnik G,Sod-Moriah UA

更新日期：1991-09-01 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：:The aim of the study was to examine the effects of two-year testosterone replacement therapy on cognitive functioning, emotional state and quality of life in young and middle-aged men with hypogonadotropic hypogonadism. Nineteen males diagnosed with hypogonadotropic hypogonadism participated in the study. Cognitive fu...

journal_title：Andrologia

authors： Lašaitė L,Čeponis J,Preikša RT,Žilaitienė B

更新日期：2017-04-01 00:00:00

abstract：:Natriuretic peptide (NP) family is composed of atrial, brain and C-type NP (NPPA, NPPB and NPPC). Here, we aimed to investigate NP expression in testis and epididymis during postnatal development. NPPA expression was observed in gonocytes at prepubertal period but in only spermatocytes in pachytene and leptotene/zygot...

journal_title：Andrologia

authors： Özbek M,Hitit M,Öztop M,Beyaz F,Ergün E,Ergün L

更新日期：2019-11-01 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：:Insulin-like factor 3 (INSL3) has an important role in the human reproductive system; however, its detailed function is still mysterious. We aimed to investigate the possibility of expression of RXFP2 receptor on human spermatozoa and to determine the anti-apoptotic and antioxidant mechanism derived the binding of INS...

journal_title：Andrologia

authors： Shokri S,Tavalaee M,Ebrahimi SM,Ziaeipour S,Nasr-Esfahani MH,Nejatbakhsh R

更新日期：2020-10-01 00:00:00

abstract：:Several drugs have been used to stimulate human sperm motility, including 3-deoxy-adenosine, caffeine, and pentoxifylline. Pentoxifylline is an inhibitor of the phosphodiesterase and may stimulate sperm motility by increasing the intracellular levels of cAMP. In this study we have evaluated the effect of pentoxifyllin...

journal_title：Andrologia

authors： Morales P,Llanos M,Yovich JL,Cummins JM,Vigil P

更新日期：1993-11-01 00:00:00

abstract：:The microvasculature of the human testis is closely related to the Leydig cells and the seminiferous tubules. Semi-thin sections of testicular tissue serve as a basis for the computer-aided 3-D reconstruction of the microvasculature, the seminiferous tubules and the Leydig cells. After vascular perfusion with glutaral...

journal_title：Andrologia

authors： Ergün S,Stingl J,Holstein AF

更新日期：1994-09-01 00:00:00

abstract：:Maturation arrest is a common cause of male infertility which has caused worldwide concern, and its pathophysiological process remains further elucidation. Our study aimed to identify genetic characteristics of maturation arrest by comparing gene expression between maturation arrest and normal samples using microarray...

journal_title：Andrologia

authors： Fang Y,Liu D,Yang Y,Zhang H,Wu H,Jiang H,Zhao L,Zhang Z

更新日期：2020-12-01 00:00:00

abstract：:Cell-free seminal mRNA (cfs-mRNA) exists in the human ejaculate that is proposed as a potential noninvasive procedure to prognosis pathophysiological conditions. This study applied cfs-mRNA of ESX1, ZMYND15 and its target haploid genes (TNP1 and PRM1) to identify the presence of spermatozoa in men with azoospermia. Th...

journal_title：Andrologia

authors： Hashemi MS,Mozdarani H,Ghaedi K,Nasr-Esfahani MH

更新日期：2020-03-01 00:00:00

abstract：:The prostate is the seat of three major causes of morbidity: benign prostatic hyperplasia, prostate cancer and prostatitis, three conditions in which inflammation has been implicated. A state of inflammation of the prostate gland, originally incited by an infection, an autoimmune response, a neurogenic stimulus or ano...

journal_title：Andrologia

authors： Motrich RD,Salazar FC,Breser ML,Mackern-Oberti JP,Godoy GJ,Olivera C,Paira DA,Rivero VE

更新日期：2018-12-01 00:00:00

abstract：:Sperm investigations of 35 epileptics being treated with hydantoin for a period of more than three years have shown that by a large dispersion of evaluations only 52% of the sperm cells were intact (teratozoospermia; compared with a normal limit of 60% p = 5%, of 70% p = 1%). The mobility of the sperm cells was 49% (a...

journal_title：Andrologia

authors： Schramm P,Seyfeddinipur N

更新日期：1980-01-01 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：:Pfaffia glomerata (Spreng.) Pedersen, popularly known as "Brazilian ginseng," is used as medicinal plant in Brazil to treat inflammatory diseases in general. Previous studies showed that its extract increases the nitric oxide (NO) levels. Knowing that NO downregulates steroidogenesis and that alterations in the action...

journal_title：Andrologia

authors： Auharek SA,Carollo CA,Oliveira RJ,Cunha-Laura AL,Monreal ACD,Siqueira JM,Costa DS,de Paiva Condé TR,Wollf DIL,Aloysio Amaral E

更新日期：2019-09-01 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：: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：:Male factor accounts for about 30-50% of infertility. A common cause of male infertility is drug abuse; either illicit or prolonged use of prescribed drugs. This study provides a review of the physiology of the hypothalamic-pituitary-gonadal axis and recent literature on drugs that have been linked to male infertility...

journal_title：Andrologia

authors： Ajayi AF,Akhigbe RE

更新日期：2020-10-01 00:00:00

abstract：:Men with Down syndrome are considered as infertile although the causes of infertility are not known in detail yet. Although this constitutes a general rule there are three confirmed cases of parenting by fathers with Down syndrome. Many investigators have addressed the causes of infertility and their studies indicate ...

journal_title：Andrologia

authors： Stefanidis K,Belitsos P,Fotinos A,Makris N,Loutradis D,Antsaklis A

更新日期：2011-10-01 00:00:00

abstract：:On the basis of microscopical examination and further differentiation by special stain techniques, a new classification of defects of midpieces and tails of spermatozoa will be presented: First degree disorders i.e. abnormalities of the staining behaviour and minor structural defects, second degree disorders revealing...

journal_title：Andrologia

authors： Haidl G,Hartmann R,Hofmann N

更新日期：1987-07-01 00:00:00

abstract：:The aim of the study was to investigate whether or not the effect of icariin on erectile function of SHR is associated with inhibition of eNOS uncoupling. Ten 12-week-old male WKY rats and 10 age-matched male SHR were evenly randomised into SHR control group, SHR+ icariin treatment group, WKY control group and WKY+ ic...

journal_title：Andrologia

authors： Long H,Jiang J,Xia J,Jiang R

更新日期：2018-11-01 00:00:00