Proacrosin-deficient mice and zona pellucida modifications in an experimental model of multifactorial infertility.

abstract：:Patients with rare overgrowth disorders, such as Beck-Wiedemann syndrome and Simpson-Golabi-Behmel syndrome, are predisposed to embryonal tumours, including Wilms' tumour of the kidney. Therefore, these disorders offer a link between hyperplastic growth and cancer. Genetic lesions at chromosome 11p15 have been associa...

journal_title：Molecular human reproduction

authors： Ward A

更新日期：1997-02-01 00:00:00

abstract：:It is widely assumed that, after ovulation, the human endometrium undergoes specific changes and becomes receptive to the implantation of embryo during the mid-secretory phase. When implantation does not take place, further changes occur which eventually result in the shedding of human endometrium. The present study w...

journal_title：Molecular human reproduction

authors： von Wolff M,Thaler CJ,Strowitzki T,Broome J,Stolz W,Tabibzadeh S

更新日期：2000-07-01 00:00:00

abstract：STUDY QUESTION:Can enzymatically dispersed testicular cells from adult men reassemble into seminiferous cord-like structures in vitro? SUMMARY ANSWER:Adult human testicular somatic cells reassembled into testicular cord-like structures via dynamic interactions of Sertoli and peritubular cells. WHAT IS KNOWN ALREADY:I...

journal_title：Molecular human reproduction

authors： Mincheva M,Sandhowe-Klaverkamp R,Wistuba J,Redmann K,Stukenborg JB,Kliesch S,Schlatt S

更新日期：2018-02-01 00:00:00

abstract：:We have entered a new era of genomics in biomedical research with the availability of genome-wide sequences and expression data, resulting in the identification of a huge number of novel reproductive genes. The challenge we are facing today is how to determine the function of those novel and known genes and their role...

journal_title：Molecular human reproduction

authors： Lee T,Shah C,Xu EY

更新日期：2007-11-01 00:00:00

abstract：:The 2019 novel coronavirus (2019-nCoV) appeared in December 2019 and then spread throughout the world rapidly. The virus invades the target cell by binding to angiotensin-converting enzyme (ACE) 2 and modulates the expression of ACE2 in host cells. ACE2, a pivotal component of the renin-angiotensin system, exerts its ...

journal_title：Molecular human reproduction

authors： Jing Y,Run-Qian L,Hao-Ran W,Hao-Ran C,Ya-Bin L,Yang G,Fei C

更新日期：2020-06-01 00:00:00

abstract：:Imprinted genes are characterized by expression of only one of the two alleles according to its inheritance from the mother or the father. This mono-allelic expression must arise from primary differential epigenetic modification of the parental alleles of the imprinted gene in the spermatozoon and the oocyte. Most of ...

journal_title：Molecular human reproduction

authors： Salpekar A,Huntriss J,Bolton V,Monk M

更新日期：2001-09-01 00:00:00

abstract：:Type I inositol 1,4,5-trisphosphate-sensitive receptors (InsP(3)R) are expressed in human oocytes and may be involved in operating the Ca(2+) release triggered by the fertilizing sperm. This study examines the contribution of type I InsP(3)R in operating Ca(2+) release in human oocytes secondary to InsP(3) itself, usi...

journal_title：Molecular human reproduction

authors： Goud PT,Goud AP,Leybaert L,Van Oostveldt P,Mikoshiba K,Diamond MP,Dhont M

更新日期：2002-10-01 00:00:00

abstract：:Artificial oocyte activation to overcome failed fertilization after intracytoplasmic sperm injection (ICSI) in human oocytes typically employs Ca(2+) ionophores to produce a single cytosolic Ca(2+) increase. In contrast, recombinant phospholipase Czeta (PLCζ) causes Ca(2+) oscillations indistinguishable from those occ...

journal_title：Molecular human reproduction

authors： Sanusi R,Yu Y,Nomikos M,Lai FA,Swann K

更新日期：2015-10-01 00:00:00

abstract：:Previous studies have implicated receptor tyrosine kinases in progesterone-induced [Ca2+]i signalling, and consequent induction of the acrosome reaction, in human spermatozoa. We have investigated the effects of tyrosine kinase inhibition on [Ca2+]i responses in large numbers of individual human spermatozoa. Genistein...

journal_title：Molecular human reproduction

authors： Kirkman-Brown JC,Lefièvre L,Bray C,Stewart PM,Barratt CL,Publicover SJ

更新日期：2002-04-01 00:00:00

abstract：:We have developed a competitive reverse transcription-polymerase chain reaction (RT-PCR) sensitive enough to detect and quantify as little as 2-fold differences in gene expression in individual oocytes and embryos throughout human preimplantation development. This RT-PCR assay can be tailored for the examination of an...

journal_title：Molecular human reproduction

authors： Taylor DM,Handyside AH,Ray PF,Dibb NJ,Winston RM,Ao A

更新日期：2001-02-01 00:00:00

abstract：:Embryo implantation and subsequent decidualization, trophoblast invasion and formation of a functional placenta are crucial for establishment and maintenance of pregnancy. Interleukin-11 signalling has been shown to be obligatory for adequate decidualization and trophoblast invasion in mice. Defects in IL-11 signallin...

journal_title：Molecular human reproduction

authors： von Rango U,Alfer J,Kertschanska S,Kemp B,Müller-Newen G,Heinrich PC,Beier HM,Classen-Linke I

更新日期：2004-11-01 00:00:00

abstract：:Preimplantation development shifts from a maternal to embryonic programme rapidly after fertilization. Although the majority of oogenetic products are lost during the maternal to embryonic transition (MET), several do survive this interval to contribute directly to supporting preimplantation development. Embryonic gen...

journal_title：Molecular human reproduction

authors： Bell CE,Calder MD,Watson AJ

更新日期：2008-12-01 00:00:00

abstract：:The involvement of protein kinases in platelet activating factor (PAF)-induced acrosome reaction of human spermatozoa was investigated using specific inhibitors of protein kinase A (PKA), protein kinase C (PKC) and protein tyrosine kinase (PTK). PAF (10(-9)-10(-11) M) treatment of spermatozoa enhanced the acrosome rea...

journal_title：Molecular human reproduction

authors： Sengoku K,Tamate K,Takuma N,Takaoka Y,Yoshida T,Nishiwaki K,Ishikawa M

更新日期：1996-06-01 00:00:00

abstract：:Because of its distinctive ability to act as a mitogen, a mitogen and a morphogen, hepatocyte growth factor/scatter factor (HGF/SF) has all the characteristics of a molecule able to function in regulatory networks of motility, such as the spermatogenic epithelium, and this through binding of its receptor p190MET (C-ME...

journal_title：Molecular human reproduction

authors： Depuydt CE,Zalata A,de Potter CR,van Emmelo J,Comhaire FH

更新日期：1996-01-01 00:00:00

abstract：:In Europe up to one in four couples experience difficulty conceiving and in half of these cases the problem has been attributed to sub or infertility in the male partner. The development of assisted reproductive technologies (ART) such as in vitro fertilization and intra-cytoplasmic spermatozoa injection has allowed s...

journal_title：Molecular human reproduction

authors： Paul C,Melton DW,Saunders PT

更新日期：2008-01-01 00:00:00

abstract：:The expression of adhesion molecules and matrix proteins by human spermatozoa as well as their binding to and penetration of zona-free hamster eggs were investigated in 17 patients by means of flow cytometry. Both binding and penetration of hamster oocytes and expression of alpha- and beta-chains of beta 1, beta 3 and...

journal_title：Molecular human reproduction

authors： Henkel R,Schaller J,Glander HJ,Schill WB

更新日期：1996-05-01 00:00:00

abstract：:Olfactory receptors are G protein-coupled transmembrane receptors. Genes encoding olfactory receptors constitute a large gene family of approximately 1000 total member genes. In mammals, a subset of member genes is specifically expressed in the testis (and not in the olfactory mucosa) and olfactory receptor proteins h...

journal_title：Molecular human reproduction

authors： Goto T,Salpekar A,Monk M

更新日期：2001-06-01 00:00:00

abstract：:In order to improve assisted fertilization in humans it is important to elucidate the mechanisms of control of growth and development in the early pre-embryo. Increasing evidence shows that growth factors are of importance for such control mechanisms. As platelet-derived growth factor (PDGF) has been shown to enhance ...

journal_title：Molecular human reproduction

authors： Osterlund C,Wramsby H,Pousette A

更新日期：1996-07-01 00:00:00

abstract：:The signals initiating the growth of primordial follicles are unknown. Growth factors such as neurotrophin 4/5 (NT-4/5) and brain-derived neurotrophic factor (BDNF) may play a role in this process. To investigate the expression of NT-4/5 and BDNF and their receptor tyrosine kinase B (TrkB) in the early developing foll...

journal_title：Molecular human reproduction

authors： Harel S,Jin S,Fisch B,Feldberg D,Krissi H,Felz C,Freimann S,Tan SL,Ao A,Abir R

更新日期：2006-06-01 00:00:00

abstract：:This study was undertaken to localize ryanodine-sensitive Ca2+ stores in human oocytes and to evaluate their role in the Ca2+ oscillations responsible for oocyte activation at fertilization. The addition of ryanodine provoked a Ca2+ discharge from stores localized throughout the ooplasm with the exception of the corti...

journal_title：Molecular human reproduction

authors： Sousa M,Barros A,Tesarik J

更新日期：1996-04-01 00:00:00

abstract：:Several investigators have noted that hormone-dependent development of endometriosis implants lags behind that of simultaneously analysed eutopic endometrium. With the recent discovery of the oestrogen receptor-beta (ER-beta) isoform, the aim of this study was to investigate whether differences in the expression of ER...

journal_title：Molecular human reproduction

authors： Brandenberger AW,Lebovic DI,Tee MK,Ryan IP,Tseng JF,Jaffe RB,Taylor RN

更新日期：1999-07-01 00:00:00

abstract：:In spite of progress in diagnosis and treatment, prostate cancer has become one of the most frequent lethal cancers in males in many Western industrialized countries. Research on the molecular biology of prostate cancer is expected to reveal those aspects of Western lifestyle contributing to its high incidence with th...

journal_title：Molecular human reproduction

authors： Schulz WA,Burchardt M,Cronauer MV

更新日期：2003-08-01 00:00:00

abstract：:Ever since work on pluripotency induction was originally published, reporting the reprogramming of somatic cells to induced pluripotent stem cells (iPS cells) by the ectopic expression of the four transcription factors Oct4, Sox2, Klf4 and c-Myc, high expectations regarding their potential use for regenerative medicin...

journal_title：Molecular human reproduction

authors： Masip M,Veiga A,Izpisúa Belmonte JC,Simón C

更新日期：2010-11-01 00:00:00

abstract：:Virtually all testicular germ cell tumours originate from a common precursor, the carcinoma in situ (CIS) cell. The precise nature of the molecular mechanisms leading to CIS remains largely unknown. We performed the first systematic analysis of gene expression in testis with CIS compared to normal testis by the differ...

journal_title：Molecular human reproduction

authors： Hoei-Hansen CE,Nielsen JE,Almstrup K,Hansen MA,Skakkebaek NE,Rajpert-DeMeyts E,Leffers H

更新日期：2004-06-01 00:00:00

abstract：:Folate deficiency has been linked to a wide range of pregnancy disorders. Most research about folate-deficiency has focused on the embryo itself, little attention has been paid to possible effects on the placenta. According to our results, the morphology of the placenta, endocrine function, and the expression of genes...

journal_title：Molecular human reproduction

authors： Yin X,Gao R,Geng Y,Chen X,Liu X,Mu X,Ding Y,Wang Y,He J

更新日期：2019-06-06 00:00:00

abstract：:Developmental abnormalities of human embryos can be visualized in utero using embryoscopy. Our previous embryoscopic and genetic evaluations detected developmental abnormalities in the majority of both euploid (74%) and aneuploid or polyploid (90%) miscarriages. Since we found the pattern of morphological changes to b...

journal_title：Molecular human reproduction

authors： Rajcan-Separovic E,Qiao Y,Tyson C,Harvard C,Fawcett C,Kalousek D,Stephenson M,Philipp T

更新日期：2010-02-01 00:00:00

abstract：:Matrix metalloproteinases (MMP), tissue inhibitors of metalloproteinases (TIMP), and MMP-TIMP interactions may contribute to the highly programmed process of embryo implantation. The loss of the delicate MMP-TIMP balance may lead to abnormal implantation. The role of TIMP-4 in mouse implantation has not been reported....

journal_title：Molecular human reproduction

authors： Zhang J,Zhao YG,Cao YJ,Sang QX,Duan EK

更新日期：2003-03-01 00:00:00

abstract：:This study assessed the participation of amphiregulin (AREG) and bone morphogenetic protein 15 (BMP15) during maturation of bovine cumulus-oocyte complexes (COCs) on cumulus cell function and their impact on subsequent embryo development. AREG treatment of COCs enhanced blastocyst formation and quality only when in th...

journal_title：Molecular human reproduction

authors： Sugimura S,Ritter LJ,Sutton-McDowall ML,Mottershead DG,Thompson JG,Gilchrist RB

更新日期：2014-06-01 00:00:00

abstract：:We describe a rapid and specific differential amplification system which can detect five of the most common cystic fibrosis mutations from a single cell. In the first round of the polymerase chain reaction (PCR), regions of exons 4, 10 and 11 of the cystic fibrosis transmembrane conductance regulator (CFTR) gene conta...

journal_title：Molecular human reproduction

authors： Scobie G,Woodroffe B,Fishel S,Kalsheker N

更新日期：1996-03-01 00:00:00

abstract：:The human egg may only be fertilized by one spermatozoon to prevent polyploidy. In most mammals, the primary block to polyspermy occurs at the zona pellucida (ZP). Little is known of the human ZP and the changes occurring following fertilization to prevent polyploidy. Using antibodies directed against synthetic peptid...

journal_title：Molecular human reproduction

authors： Bauskin AR,Franken DR,Eberspaecher U,Donner P

更新日期：1999-06-01 00:00:00