Clinical genetic testing for male factor infertility: current applications and future directions.

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：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：:Fibroblast growth factors (FGFs) and their receptors (FGFRs) regulate several functions of somatic cells. In a previous work, we reported FGFR expression in human spermatozoa and their involvement in motility. This study aimed to evaluate the presence and localization of fibroblast growth factor 2 (FGF2) in human sper...

journal_title：Andrology

authors： Garbarino Azúa DJ,Saucedo L,Giordana S,Magri ML,Buffone MG,Neuspiller F,Vazquez-Levin MH,Marín-Briggiler CI

更新日期：2017-09-01 00:00:00

abstract：BACKGROUND:We previously demonstrated how mouse spermatozoa can be efficiently stored for two years in a -80°C freezer, maintaining their ability to fertilize mouse eggs. OBJECTIVES:The main objective here was to evaluate the effects of five years at -80°C compared to liquid nitrogen storage (LN2 , control condition) ...

journal_title：Andrology

authors： Raspa M,Putti S,Paoletti R,Barboni B,Ramal-Sanchez M,Lanuti P,Marchisio M,D'Atri M,Ortolani C,Papa S,Valbonetti L,Bernabo N,Scavizzi F

更新日期：2021-01-11 00:00:00

abstract：:The aetiology of severe asthenozoospermia in men with spinal cord injury includes an adverse impact of seminal plasma (SP) on sperm motility. In this study we investigated the effect exerted by SP from men with SCI on donor sperm mitochondrial activity and its reflection on motility. Donor spermatozoa were exposed (1 ...

journal_title：Andrology

authors： Barbonetti A,Vassallo MR,Di Rosa A,Leombruni Y,Felzani G,Gandini L,Lenzi A,Necozione S,Francavilla S,Francavilla F

更新日期：2013-05-01 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：:Exosomes are membranous nanovesicles of endocytic origin that carry and transfer regulatory bioactive molecules and mediate intercellular communication between cells and tissues. Although seminal exosomes have been identified in human seminal plasma, their exact composition and possible physiologic function remain unk...

journal_title：Andrology

authors： Yang C,Guo WB,Zhang WS,Bian J,Yang JK,Zhou QZ,Chen MK,Peng W,Qi T,Wang CY,Liu CD

更新日期：2017-09-01 00:00:00

abstract：:The aim of this study was to investigate the effects of castration and testosterone supplementation on nitroso-redox status, cardiac metabolism markers, and S100 proteins expression in the heart of male rats. 50 male Wistar rats were randomized into five groups with ten animals each: group 1: control intact (CON); gro...

journal_title：Andrology

authors： Regouat N,Cheboub A,Benahmed M,Belarbi A,Hadj-Bekkouche F

更新日期：2018-01-01 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：: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：: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：:Presence of vacuoles and degree of sperm DNA damage are considered to be the basic factors used for the assessment of sperm fertilization capacity. We aimed to investigate the link between these two parameters. According to our knowledge, this is the first study where the Comet assay was used to assess the degree of D...

journal_title：Andrology

authors： Pastuszek E,Kiewisz J,Skowronska P,Liss J,Lukaszuk M,Bruszczynska A,Jakiel G,Lukaszuk K

更新日期：2017-03-01 00:00:00

abstract：BACKGROUND:The transcription factor DMRTB1 plays a pivotal role in coordinating the transition between mitosis and meiosis in murine germ cells. No reliable data are available for human testis. OBJECTIVES:The present study aims to examine the testicular expression pattern of DMRTB1 in men showing normal and impaired s...

journal_title：Andrology

authors： Hilbold E,Bergmann M,Fietz D,Kliesch S,Weidner W,Langeheine M,Rode K,Brehm R

更新日期：2019-07-01 00:00:00

abstract：BACKGROUND:Diabetes mellitus is one of the risk factors for male subfertility/infertility. Malaysian propolis is reported to decrease hyperglycaemia in diabetic state. OBJECTIVES:The present study investigated the protective effect of Malaysian propolis on diabetes-induced subfertility/infertility. Additionally, its c...

journal_title：Andrology

authors： Nna VU,Bakar ABA,Ahmad A,Umar UZ,Suleiman JB,Zakaria Z,Othman ZA,Mohamed M

更新日期：2020-05-01 00:00:00

abstract：:Peyronie's disease (PD) is an under-diagnosed condition with prevalence in the male population as high as 9%. It is a localized connective tissue disorder of the penis characterized by scarring of the tunica albuginea. Its pathophysiology, however, remains incompletely elucidated. For the management of the acute phase...

journal_title：Andrology

authors： Yafi FA,Pinsky MR,Sangkum P,Hellstrom WJ

更新日期：2015-07-01 00:00:00

abstract：BACKGROUND:Gene expression patterns along the epididymis are established by specific transcription factor networks that coordinate region-specific functions. In rodents, the epididymis can be divided in up to 19 segments. Based on gross anatomy, the human epididymis is divided into caput, corpus, and cauda segments tog...

journal_title：Andrology

authors： Légaré C,Sullivan R

更新日期：2020-05-01 00:00:00

abstract：BACKGROUND:Germ cell tumours are uniquely associated with the gametogenic tissues of males and females. A feature of these cancers is that they can express genes that are normally tightly restricted to meiotic cells. This aberrant gene expression has been used as an indicator that these cancer cells are attempting a pr...

journal_title：Andrology

authors： Feichtinger J,McFarlane RJ

更新日期：2019-07-01 00:00:00

abstract：:Deletions on the long arm of the Y chromosome are a well-known cause of male infertility and it is generally accepted that deletions involving the AZFb region are not compatible with sperm production. Here, we report on two patients for whom basic diagnostic tests showed a deletion of the AZFb region. Unexpectedly, bo...

journal_title：Andrology

authors： Stouffs K,Vloeberghs V,Gheldof A,Tournaye H,Seneca S

更新日期：2017-07-01 00:00:00

abstract：BACKGROUND:Oocyte activation is driven by intracellular calcium (Ca2+ ) oscillations induced by sperm-specific PLCζ, abrogation of which causes oocyte activation deficiency in humans. Clinical PLCζ investigations have been limited to severe male infertility conditions, while PLCζ levels and localisation patterns have y...

journal_title：Andrology

authors： Kashir J,Mistry BV,BuSaleh L,Abu-Dawas R,Nomikos M,Ajlan A,Abu-Dawud R,AlYacoub N,AlHassan S,Lai FA,Assiri AM,Coskun S

更新日期：2020-09-01 00:00:00

abstract：:The discontinuation rate with phosphodiesterase type 5 inhibitors (PDE5i) remains very high. The aim of this study was to review and meta-analyze currently available data regarding dropout of the first-generation of PDE5i including sildenafil, vardenafil, and tadalafil. An extensive Medline Embase and Cochrane search ...

journal_title：Andrology

authors： Corona G,Rastrelli G,Burri A,Serra E,Gianfrilli D,Mannucci E,Jannini EA,Maggi M

更新日期：2016-11-01 00:00:00

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：: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：BACKGROUND:Testicular architecture and sperm production are supported by a complex network of communication between various cell types. These signals ensure fertility by: regulating spermatogonial stem/progenitor cells; promoting steroidogenesis; and driving male-specific differentiation of the gonad. Sertoli cells hav...

journal_title：Andrology

authors： Heinrich A,DeFalco T

更新日期：2020-07-01 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：:Sperm count, morphology, and motility have been reported to be predictive of pregnancy, although with equivocal basis prompting some authors to question the prognostic value of semen analysis. To assess the utility of including semen quality data in predicting conception delay or requiring >6 cycles to become pregnant...

journal_title：Andrology

authors： Patel CJ,Sundaram R,Buck Louis GM

更新日期：2017-01-01 00:00:00

abstract：:Our objective was to study the birth defect rates in intracytoplasmic morphologically selected sperm injection (IMSI) pregnancies. A cohort of couples presenting male factor infertility between January 2006 and January 2014 was retrospectively analyzed. Discharge letters and a telephone interview were performed for as...

journal_title：Andrology

authors： Hershko-Klement A,Sukenik-Halevy R,Biron Shental T,Miller N,Berkovitz A

更新日期：2016-09-01 00:00:00

abstract：:The second messenger cyclic adenosine monophosphate (cAMP) has a central role in sperm physiology. Extracellular cAMP can be sequentially degraded into 5'AMP and adenosine by ecto-phosphodiesterases (ecto-PDE) and ecto-nucleotidases, a phenomenon called extracellular cAMP-adenosine pathway. As cAMP-adenosine pathway i...

journal_title：Andrology

authors： Bergeron A,Aragon JP,Guillemette C,Hébert A,Sullivan R,Blondin P,Richard FJ

更新日期：2016-11-01 00:00:00

abstract：:Testosterone (T) deficiency, sexual dysfunction, obesity and obstructive sleep apnea (OSA) are common and often coexist. T prescriptions have increased worldwide during the last decade, including to those with undiagnosed or untreated OSA. The effect of T administration on sexual function, neurocognitive performance a...

journal_title：Andrology

authors： Melehan KL,Hoyos CM,Yee BJ,Wong KK,Buchanan PR,Grunstein RR,Liu PY

更新日期：2016-01-01 00:00:00

abstract：:A recent study has demonstrated that porcine spermatozoa recognize with high affinity carbohydrate structures containing Lewis X motifs. Sperm adhesion to Lewis X is proposed to mediate sperm binding to the oviduct epithelium to form a reservoir. The objective of this study was to identify Lewis X-binding proteins fro...

journal_title：Andrology

authors： Silva E,Frost D,Li L,Bovin N,Miller DJ

更新日期：2017-05-01 00:00:00

abstract：BACKGROUND:Bulls are of great importance in the productive chain and for this reason they should have a good semen quality. There is no doubt that sperm morphology is very important to bull fertility, although little is known about how exactly the abnormal morphologies may affect sperm functions. OBJECTIVES:To detail ...

journal_title：Andrology

authors： Díaz-Miranda EA,Maitan PP,Machado TP,Camilo BS,Lima DA,Okano DS,Penitente-Filho JM,Machado-Neves M,de Oliveira LL,Guimarães SEF,da Costa EP,Guimarães JD

更新日期：2020-01-01 00:00:00