Rare double sex and mab-3-related transcription factor 1 regulatory variants in severe spermatogenic failure.

abstract：BACKGROUND:Severe peripheral angiopathy in patients with diabetes is a major contributing factor for low response rate to phosphodiesterase-5 inhibitors. OBJECTIVES:To examine whether and how Dickkopf3 (DKK3), a secreted modulator of the Wnt pathway that known to be involved in endothelial cell repair and vascular pro...

journal_title：Andrology

authors： Song KM,Kim WJ,Choi MJ,Limanjaya A,Ghatak K,Minh NN,Ock J,Yin GN,Hong SS,Suh JK,Ryu JK

更新日期：2020-09-01 00:00:00

abstract：:Nitric oxide is a physiologic signal essential to penile erection. l-citrulline (l-Cit) is converted into l-arginine (l-Arg), the precursor from which nitric oxide is generated. The level of l-Arg and l-Cit in the field of male sexual function remains relatively underexplored. The aim of the study was to evaluate the ...

journal_title：Andrology

authors： Barassi A,Corsi Romanelli MM,Pezzilli R,Damele CA,Vaccalluzzo L,Goi G,Papini N,Colpi GM,Massaccesi L,Melzi d'Eril GV

更新日期：2017-03-01 00:00:00

abstract：:Estrogens are involved in growth, differentiation and pathogenesis of human prostate through the mediation of the classical estrogen receptors ERα and ERβ. The G protein-coupled estrogen receptor (GPER) is a 'novel' mediator of estrogen signaling which has been recently recognized in some human reproductive tissues, b...

journal_title：Andrology

authors： Rago V,Romeo F,Giordano F,Ferraro A,Carpino A

更新日期：2016-01-01 00:00:00

abstract：:Male factor etiology may be a contributing factor in up to 60% of infertility cases. Dietary intake of phytoestrogens has been related to abnormal semen quality and hormone levels. However, its effect on couple fecundity is still unclear. Intake of soy products was assessed in 184 men from couples undergoing infertili...

journal_title：Andrology

authors： Mínguez-Alarcón L,Afeiche MC,Chiu YH,Vanegas JC,Williams PL,Tanrikut C,Toth TL,Hauser R,Chavarro JE

更新日期：2015-07-01 00:00:00

abstract：:Tamoxifen is an off-label option to treat men for breast cancer, infertility, and idiopathic gynecomastia. Lately, tamoxifen has been proposed as a treatment to prevent gynecomastia in prostate cancer patients receiving antiandrogen therapy. We reviewed the adverse events (AEs) reported in studies of men prescribed ta...

journal_title：Andrology

authors： Wibowo E,Pollock PA,Hollis N,Wassersug RJ

更新日期：2016-09-01 00:00:00

abstract：:Spermiogenesis is the final phase of spermatogenesis. During this process, haploid round spermatids differentiate into spermatozoa, with dramatic morphological changes, including elongation and condensation of the nuclei, and formation of the flagella. Meig1 is one of many genes involved in the regulation of this proc...

journal_title：Andrology

authors： Shi Y,Zhang L,Song S,Teves ME,Li H,Wang Z,Hess RA,Jiang G,Zhang Z

更新日期：2013-05-01 00:00:00

abstract：:Cell-free seminal RNA (cfs-RNA) is mixed transcripts derived from male reproductive organs, and is potential biomarker for the research and diagnosis of male reproductive-related diseases. However, some clinical factors, including age, asymptomatic Ureaplasma urealyticum (UU) infection, scrotal heat stress, abstinence...

journal_title：Andrology

authors： Dong TT,Yu Q,Qing XR,Ma XL,Dong WW,Shi J,Li HG

更新日期：2016-11-01 00:00:00

abstract：BACKGROUND:Testicular germ cell tumors (TGCTs) are highly sensitive to platinum-based chemotherapy, and wild-type p53 seems to play a pivotal role in this susceptibility. On the other hand, overexpression of MDM2 seems to entail treatment resistance and unfavorable prognosis. OBJECTIVES:We aimed to describe p53 and MD...

journal_title：Andrology

authors： Lobo J,Alzamora MA,Guimarães R,Cantante M,Lopes P,Braga I,Maurício J,Jerónimo C,Henrique R

更新日期：2020-09-01 00:00:00

abstract：OBJECTIVE:Testicular germ cell tumour (TGCT) is a malignancy with a high heritable component. The inherited risk is polygenic, and around 50 susceptibility genes are identified. The functional role of the gene products for TGCT development is not well understood. The focus of this review is functional studies of geneti...

journal_title：Andrology

authors： Das MK,Kleppa L,Haugen TB

更新日期：2019-07-01 00:00:00

abstract：BACKGROUND:Penile cancer represents a rare pathology whose natural history of treatment is poorly understood. OBJECTIVE:To illustrate the dynamic survival profiles in surgically treated patients with squamous cell carcinoma of the penis (SCCP) using the conditional survival (CS) estimates. MATERIALS AND METHODS:Patie...

journal_title：Andrology

authors： Liu W,Luo Y,Wang G,Li N,Wang Z,Lei J,Wang X

更新日期：2020-11-01 00:00:00

abstract：:In males, age-related decline in free testosterone (T) and dehydroepiandrosterone (DHEA) by 2-3% per year has been reported. Estradiol (E2) and progesterone (P) seem to decrease as well, but to a lesser extent. Lower sex steroid levels in men have been related to physical and mental symptoms. Low birthweight and left-...

journal_title：Andrology

authors： Hoppler S,Walther A,La Marca-Ghaemmaghami P,Ehlert U

更新日期：2018-11-01 00:00:00

abstract：:Approximately 40% of middle-aged men exhibit symptoms of late-onset hypogonadism (LOH). However, the mechanism of androgen deficiency is still currently unclear. As shown in our previous studies, the SET protein is expressed in testicular Leydig cells and ovarian granule cells. This study was designed to investigate t...

journal_title：Andrology

authors： Zhang B,Ma W,Zhu Q,Xu W,Gao L,Xu B,Xu S,Gao C,Gao L,Liu J,Cui Y

更新日期：2018-05-01 00:00:00

abstract：BACKGROUND:Men with congenital unilateral absence of vas deferens were reported to be mainly azoospermic, with both unilateral renal absence and mutations in the cystic fibrosis transmembrane conductance regulator (CFTR) but some have neither. OBJECTIVES:To assess whether in infertile couples the male partners with co...

journal_title：Andrology

authors： Mieusset R,Bieth E,Daudin M,Isus F,Delaunay B,Bujan L,Monteil L,Fauquet I,Huyghe E,Hamdi SM

更新日期：2020-05-01 00:00:00

abstract：:Growth hormone (GH) and insulin-like growth factor I (IGF-I) receptors are present on pituitary gonadotrophs and on testicular Leydig and Sertoli cells. Thus, the GH/IGF-I system may modulate the pituitary-gonadal axis in males. This is a randomized cross-over study. Eight healthy male volunteers (mean age 35, range 2...

journal_title：Andrology

authors： Andreassen M,Frystyk J,Faber J,Kristensen LØ,Juul A

更新日期：2013-07-01 00:00:00

abstract：BACKGROUND:Previous studies suggested that sperm head shape may serve as an effective indicator of semen quality. However, there lacks research with large sample and quantitative measurement. OBJECTIVES:The objective of this retrospective study was to explore the association between sperm head elongation (Width/Length...

journal_title：Andrology

authors： Chen F,Gao L,Zhou H,Guo L,Chen Q,Gan Y,Sun X,Li Q,Wang K

更新日期：2019-11-01 00:00:00

abstract：:Sperm DNA fragmentation varies between individuals and is more pronounced with increased patient age and time after sperm donation. The intensification of DNA fragmentation depends on the balance of the oxidoreductive system, which is regulated mainly by two enzymes - superoxide dismutase (SOD) and catalase. The objec...

journal_title：Andrology

authors： Wdowiak A,Bakalczuk S,Bakalczuk G

更新日期：2015-07-01 00:00:00

abstract：BACKGROUND:At the beginning of the 20th century, the Viennese physiologist Eugen Steinach proposed to treat the effects of physiological ageing by vasectomy. After experimenting his theory with animal, he published his results, and convinced scientists to apply this method to humans (ie men). The scientific community h...

journal_title：Andrology

authors： Benmoussa N,Charlier P,Rebibo JD

更新日期：2020-05-01 00:00:00

abstract：:The main aim of this work was to evaluate how supplementing freezing media with reduced glutathione (GSH) affected the 'in vivo' fertilizing ability of boar semen subjected to cryopreservation procedures. With this purpose, 12 ejaculates coming from 12 boars were cryopreserved in the presence or absence of 2 mm GSH, w...

journal_title：Andrology

authors： Estrada E,Rodríguez-Gil JE,Rocha LG,Balasch S,Bonet S,Yeste M

更新日期：2014-01-01 00:00:00

abstract：BACKGROUND:Knowledge about Klinefelter syndrome (KS) has increased substantially since its first description almost 80 years ago. A variety of treatment options concerning the spectrum of symptoms associated with KS exists, also regarding aspects beyond testicular dysfunction. Nevertheless, the diagnostic rate is still...

journal_title：Andrology

authors： Zitzmann M,Aksglaede L,Corona G,Isidori AM,Juul A,T'Sjoen G,Kliesch S,D'Hauwers K,Toppari J,Słowikowska-Hilczer J,Tüttelmann F,Ferlin A

更新日期：2021-01-01 00:00:00

abstract：:Sickle cell disease (SCD)-associated priapism is characterized by decreased nitric oxide (NO) signaling and downregulated phosphodiesterase (PDE)5 protein expression and activity in the penis. Priapism is also associated with testosterone deficiency, but molecular mechanisms underlying testosterone effects in the peni...

journal_title：Andrology

authors： Musicki B,Karakus S,Akakpo W,Silva FH,Liu J,Chen H,Zirkin BR,Burnett AL

更新日期：2018-01-01 00:00:00

abstract：:Most of the non-obstructive azoospermia (NOA)-patients have only focal spermatogenesis which results in insufficient numbers of spermatozoa to reach the ejaculate. In ≈50% of these NOA-patients testicular sperm extraction (TESE) is successful and intracytoplasmic sperm injection (ICSI) is pursued. We studied whether (...

journal_title：Andrology

authors： Hessel M,de Vries M,D'Hauwers KW,Fleischer K,Hulsbergen-van de Kaa CA,Braat DD,Ramos L

更新日期：2015-05-01 00:00:00

abstract：:The molecular basis of spermatogenic failure (SpF) is still largely unknown. Accumulating evidence suggests that a series of specific events such as meiosis, are determined at the early stage of spermatogenesis. This study aims to assess the expression profile of pre-meiotic genes of infertile testicular biopsies that...

journal_title：Andrology

authors： Bonache S,Algaba F,Franco E,Bassas L,Larriba S

更新日期：2014-07-01 00:00:00

abstract：:The effects of equilibration times (E1, 2 h; E2, 4 h; E3, 6 h), freezing rates (FR1, manual, 5 cm above liquid nitrogen (LN2 ) for 10 min, plunging in LN2 ; FR2, programmable ultra-fast, holding at +4 °C for 2 min, from 4 to -10 °C at -10 °C/min, from -10 to -20 °C at -15 °C/min, from -20 to -120 °C at -60 °C/min, hol...

journal_title：Andrology

authors： Shah SA,Andrabi SM,Qureshi IZ

更新日期：2016-09-01 00:00:00

abstract：BACKGROUND:Concerns exist about the effect of delaying treatment for prostate cancer (PCa) regarding both oncological and functional outcomes after radical prostatectomy (RP). OBJECTIVE:To assess the impact of time from diagnosis to RP on post-operative erectile function (EF) outcomes. MATERIALS AND METHODS:We analyz...

journal_title：Andrology

authors： Schifano N,Capogrosso P,Pozzi E,Ventimiglia E,Cazzaniga W,Matloob R,Gandaglia G,Dehò F,Briganti A,Montorsi F,Salonia A

更新日期：2020-03-01 00:00:00

abstract：:Pubertal gynecomastia is a common condition observed in up to 65% of adolescent males. It is usually idiopathic and tends to regress within 1-2 years. In this descriptive cross-sectional study, we investigated 25 adolescent males with prominent (>B3) and/or persistent (>2 years) pubertal gynecomastia (P/PPG) to determ...

journal_title：Andrology

authors： Paris F,Gaspari L,Mbou F,Philibert P,Audran F,Morel Y,Biason-Lauber A,Sultan C

更新日期：2016-03-01 00:00:00

abstract：:In this study a Bayesian network (BN) has been built for the study of the objective motility of Tinca tinca spermatozoa (spz). Semen from eight 2-year-old sexually mature male tenchs was obtained and motility analyses were performed at 6-17, 23-34 and 40-51 s after activation, using computer-assisted sperm analysis (C...

journal_title：Andrology

authors： Gil Anaya MC,Calle F,Pérez CJ,Martín-Hidalgo D,Fallola C,Bragado MJ,García-Marín LJ,Oropesa AL

更新日期：2015-09-01 00:00:00

abstract：BACKGROUND:Germ cells have a unique and critical role as the conduit for hereditary information and therefore employ multiple strategies to protect genomic integrity and avoid mutations. Unlike somatic cells, which often respond to DNA damage by arresting the cell cycle and conducting DNA repair, germ cells as well as ...

journal_title：Andrology

authors： Bloom JC,Loehr AR,Schimenti JC,Weiss RS

更新日期：2019-07-01 00:00:00

abstract：BACKGROUND:Resistin is known as a potential mediator of obesity-associated insulin resistance. The high resistin level disrupts nitric oxide (NO)-mediated relaxation which is also important in erectile function. An antioxidant alkaloid, Boldine, is known as anti-diabetic and protects endothelial functions. OBJECTIVES:...

journal_title：Andrology

authors： Kara E,Kahraman E,Dayar E,Yetik Anacak G,Demir O,Gidener S,Atabey N,Durmus N

更新日期：2020-11-01 00:00:00

abstract：:Genomic and protein-coding transcriptomic data have suggested that germ cell tumours (GCTs) of childhood are biologically distinct from those of adulthood. Global messenger RNA profiles segregate malignant GCTs primarily by histology, but then also by age, with numerous transcripts showing age-related differential exp...

journal_title：Andrology

authors： Murray MJ,Nicholson JC,Coleman N

更新日期：2015-01-01 00:00:00

abstract：:To add new arguments concerning the origin of the sperm-head vacuoles observed under high magnification with interference contrast microscopy, we carried out in two patients with total globozoospermia confirmed using transmission electron microscopy (TEM), a detailed sperm morphometric analysis with high magnification...

journal_title：Andrology

authors： Gatimel N,Léandri RD,Foliguet B,Bujan L,Parinaud J

更新日期：2013-01-01 00:00:00