The role of ryanodine-sensitive Ca2+ stores in the Ca2+ oscillation machine of human oocytes.

abstract：:Follicular prostaglandin concentrations increase following the gonadotrophin surge in domestic animals and rodents approximately 10 h before follicle rupture, suggesting a unifying role for prostaglandins in the timing of ovulation. However, little is known about prostaglandin production by the primate ovulatory folli...

journal_title：Molecular human reproduction

authors： Duffy DM,Stouffer RL

更新日期：2001-08-01 00:00:00

abstract：:Sperm experience intense and varied selection that dramatically impacts the evolution of sperm quality. Selection acts to ensure that sperm are fertilization-competent and able to overcome the many challenges experienced on their way towards eggs. However, simply being able to fertilize an egg is not enough to ensure ...

journal_title：Molecular human reproduction

authors： Fitzpatrick JL,Lüpold S

更新日期：2014-12-01 00:00:00

abstract：:Ascorbic acid serves a vital role as a pre-eminent antioxidant. In animals, it has been shown to be concentrated in granulosa and theca cells of the follicle, in luteal cells of the corpus luteum, and in the peripheral cytoplasm of the oocyte. We have previously identified hormonally-regulated ascorbic acid transporte...

journal_title：Molecular human reproduction

authors： Zreik TG,Kodaman PH,Jones EE,Olive DL,Behrman H

更新日期：1999-04-01 00:00:00

abstract：:Sperm are motile cells. Thus, a significant component of the spermatogenic cycle is devoted to the formation of flagellum, a process that must be coordinated to insure proper construction. To document the temporal pattern of flagellar gene expression, we employed real-time PCR to assess changes in accumulation of a co...

journal_title：Molecular human reproduction

authors： Horowitz E,Zhang Z,Jones BH,Moss SB,Ho C,Wood JR,Wang X,Sammel MD,Strauss JF 3rd

更新日期：2005-04-01 00:00:00

abstract：:Glycoforms of recombinant human follicle stimulating hormone (rhFSH) (Org 32489, Puregon) were characterized using concanavalin A lectin affinity chromatography to reveal information about the internal carbohydrate complexity (extent of carbohydrate side-chain branching) of the preparations. The rhFSH glycoforms were ...

journal_title：Molecular human reproduction

authors： Harris SD,Anobile CJ,McLoughlin JD,Mitchell R,Lambert A,Robertson WR

更新日期：1996-10-01 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：:The reproductive lifespan of a woman is determined by the gradual recruitment of quiescent follicles into the growing pool. In humans, ovarian tissue removal from its in vivo environment induces spontaneous activation of resting follicles. Similarly, pharmacological activation of the PI3K/Akt pathway leads to accelera...

journal_title：Molecular human reproduction

authors： Grosbois J,Vermeersch M,Devos M,Clarke HJ,Demeestere I

更新日期：2019-11-30 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：:Microdeletions within the AZF (azoospermia factor) a, b and c regions of the Y chromosome can be detected worldwide in 1-10% of infertile men. AZFc, containing genes such as DAZ, CDY, RBMY and others, is most frequently deleted and associated with oligo- or azoospermia. The function of the different genes within AZFc ...

journal_title：Molecular human reproduction

authors： Kostova E,Röttger S,Schempp W,Gromoll J

更新日期：2002-08-01 00:00:00

abstract：:This study was initiated to determine the relationship between the fertilizing potential of spermatozoa and abnormalities in the compact packing of their chromatin which occurs in the final stage of male germ cell differentiation. Chromatin packing involves disulphide bridge covalent cross-linking. The degree of packi...

journal_title：Molecular human reproduction

authors： Filatov MV,Semenova EV,Vorob'eva OA,Leont'eva OA,Drobchenko EA

更新日期：1999-09-01 00:00:00

abstract：:Before the advent of intracytoplasmic sperm injection (ICSI) semen preparation techniques focused on the need to sustain the fertilizing potential of the spermatozoa particularly by reducing oxidative stress. However, for severely oligozoospermic patients treated by ICSI, sperm preparation protocols are used which aim...

journal_title：Molecular human reproduction

authors： Twigg J,Irvine DS,Houston P,Fulton N,Michael L,Aitken RJ

更新日期：1998-05-01 00:00:00

abstract：:Regulation of germ-cell-specific transcription is essential for the differentiation and other physiological processes of germ cells. Germ-cell-specific transcription factors, Sohlh2 and Figla, play key roles in gametogenesis. To elucidate whether an epigenetic mechanism is involved in the controlled expression of Sohl...

journal_title：Molecular human reproduction

authors： Pan B,Chao H,Chen B,Zhang L,Li L,Sun X,Shen W

更新日期：2011-09-01 00:00:00

abstract：:This study assesses the role of progesterone receptor membrane component 1 (PGRMC1) in actions of progesterone (P4) on human myometrium during pregnancy and labour. Myometrial tissues were obtained from non-pregnant patients during hysterectomy or pregnant women undergoing C-section at term and preterm, before and dur...

journal_title：Molecular human reproduction

authors： Wu W,Shi SQ,Huang HJ,Balducci J,Garfield RE

更新日期：2011-04-01 00:00:00

abstract：:Deletions of the AZFc interval of the human Y chromosome are found in >5% of male patients with idiopathic infertility and are associated with a severely reduced sperm count. The most common deletion type is large (>1 Mb) and removes members of the Y-borne testis-specific gene families of BPY2, CDY1, DAZ, PRY, RBMY2 a...

journal_title：Molecular human reproduction

authors： Saut N,Terriou P,Navarro A,Lévy N,Mitchell MJ

更新日期：2000-09-01 00:00:00

abstract：:Oxidative stress is a major aetiology in many pathologies, including that of male infertility. Recent evidence in somatic cells has linked oxidative stress to the induction of a novel cell death modality termed ferroptosis. However, the induction of this iron-regulated, caspase-independent cell death pathway has never...

journal_title：Molecular human reproduction

authors： Bromfield EG,Walters JLH,Cafe SL,Bernstein IR,Stanger SJ,Anderson AL,Aitken RJ,McLaughlin EA,Dun MD,Gadella BM,Nixon B

更新日期：2019-05-01 00:00:00

abstract：:Within the context of an oocyte in vitro maturation (IVM) program for reproductive treatment, oocyte cumulus complexes (COCs) derived from follicles <6 mm in patients with PCOS were matured in vitro. Key transcripts related to meiotic maturation (FSHR, LHCGR, EGFR, PGR) and oocyte competence (AREG, ADAMTS, HAS2, PTGS2...

journal_title：Molecular human reproduction

authors： Guzman L,Adriaenssens T,Ortega-Hrepich C,Albuz FK,Mateizel I,Devroey P,De Vos M,Smitz J

更新日期：2013-01-01 00:00:00

abstract：:During pregnancy, a cervical connective tissue remodelling takes place, clinically recognized as softening, effacement and dilatation. The role of oestrogens and their receptors (ER) in this process is not clear. ERalpha is a ligand-activated transcription factor involved in many physiological processes. The identific...

journal_title：Molecular human reproduction

authors： Wang H,Stjernholm Y,Ekman G,Eriksson H,Sahlin L

更新日期：2001-03-01 00:00:00

abstract：:Oxidative damage by reactive oxygen species (ROS) is a major cause of sperm dysfunction. Excessive ROS generation reduces fertilization and enhances DNA damage of spermatozoa. Interaction between spermatozoa and oviductal epithelial cells improves the fertilizing ability of and reduces chromatin damage in spermatozoa....

journal_title：Molecular human reproduction

authors： Huang VW,Lee CL,Lee YL,Lam KK,Ko JK,Yeung WS,Ho PC,Chiu PC

更新日期：2015-06-01 00:00:00

abstract：STUDY QUESTION:Can RNA sequencing of human cumulus cells (CC) reveal molecular pathways involved in the physiology of reproductive aging? STUDY FINDING:Senescent but not young CC activate gene pathways associated with hypoxia and oxidative stress. WHAT IS KNOWN ALREADY:Shifts in socioeconomic norms are resulting in l...

journal_title：Molecular human reproduction

authors： Molinari E,Bar H,Pyle AM,Patrizio P

更新日期：2016-08-01 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：:Human endometrium is the major organ that produces glycodelin A (GdA). The production of endometrial GdA causes a fluctuation of the peripheral glycodelin concentrations in women during the menstrual cycle and pregnancy. It has recently been reported that the rise of plasma concentrations of glycodelin is correlated w...

journal_title：Molecular human reproduction

authors： Tseng L,Zhu HH,Mazella J,Koistinen H,Seppälä M

更新日期：1999-04-01 00:00:00

abstract：:During early gestation, a considerable increase in different leukocyte subsets can be observed in the decidualized endometrium concomitantly to the invasion of cytotrophoblast cells (CTB). To date, it is still in question which factors induce this accumulation of immune cells and whether it is evoked by an in situ pro...

journal_title：Molecular human reproduction

authors： Segerer SE,Martignoni F,Bogdan A,Müller N,Kapp M,Dietl J,Rieger L,Kämmerer U

更新日期：2013-06-01 00:00:00

abstract：:To mimic post-ovulatory ageing, we have extended the in vitro maturation (IVM) phase to 48 h and examined effects on (i) developmental potential, (ii) expression of a panel of developmentally important genes and (iii) gene-specific epigenetic marks. Results were compared with the 24 h IVM protocol (control) usually em...

journal_title：Molecular human reproduction

authors： Heinzmann J,Mattern F,Aldag P,Bernal-Ulloa SM,Schneider T,Haaf T,Niemann H

更新日期：2015-10-01 00:00:00

abstract：:We recently identified the DPY19L2 gene as the main genetic cause of human globozoospermia. Non-genetically characterized cases of globozoospermia were associated with DNA alterations, suggesting that DPY19L2-dependent globozoospermia may be associated with poor DNA quality. However the origins of such defects have no...

journal_title：Molecular human reproduction

authors： Yassine S,Escoffier J,Martinez G,Coutton C,Karaouzène T,Zouari R,Ravanat JL,Metzler-Guillemain C,Lee HC,Fissore R,Hennebicq S,Ray PF,Arnoult C

更新日期：2015-02-01 00:00:00

abstract：:Inhibin production has been demonstrated in malignant epithelial ovarian tumours, but secretion of inhibins by benign cystadenoma has not yet been reported. The present study evaluated the concentrations of inhibin A and inhibin B and the relationship with oestradiol and nitric oxide metabolites in fluid collected fro...

journal_title：Molecular human reproduction

authors： Reis FM,Faletti A,Luisi S,Bifulco G,Cauci S,Quadrifoglio F,Dor J,Petraglia F

更新日期：2000-12-01 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：STUDY QUESTION:Are there novel hyaladherins in human sperm? SUMMARY ANSWER:Zona pellucida-binding protein 2 (ZPBP2), containing a Link-like hyaluronic acid (HA)-binding domain, and several other proteins containing BX7B motifs, such as ADAM32 and Midkine, may be novel hyaladherins with HA-binding properties. WHAT IS ...

journal_title：Molecular human reproduction

authors： Torabi F,Bogle OA,Estanyol JM,Oliva R,Miller D

更新日期：2017-12-01 00:00:00

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：:Prostaglandin F2α (PGF2α) plays a critical role in the initiation and process of parturition. Since human labor has been described as an inflammatory event, we investigated the role of PGF2α in the inflammatory process using cultured human uterine smooth muscle cells (HUSMCs) isolated from term pregnant women as a mod...

journal_title：Molecular human reproduction

authors： Xu C,Liu W,You X,Leimert K,Popowycz K,Fang X,Wood SL,Slater DM,Sun Q,Gu H,Olson DM,Ni X

更新日期：2015-07-01 00:00:00

abstract：:A complete hydatidiform mole (CHM) is an abnormal pregnancy with hyperproliferative vesicular trophoblast and no fetal development. Most CHM are sporadic and androgenetic, but recurrent HM have biparental inheritance (BiHM) with disrupted DNA methylation at differentially methylated regions (DMRs) of imprinted loci. S...

journal_title：Molecular human reproduction

authors： Kou YC,Shao L,Peng HH,Rosetta R,del Gaudio D,Wagner AF,Al-Hussaini TK,Van den Veyver IB

更新日期：2008-01-01 00:00:00