F-actin in acrosome-reacted boar spermatozoa.

abstract：:Global warming represents a major stressful environmental condition that compromises the reproductive efficiency of animals and humans via a rise of body temperature above its physiological homeothermic point (heat stress [HS]). The injuries caused by HS on reproductive function involves both male and female component...

journal_title：Molecular reproduction and development

authors： Boni R

更新日期：2019-10-01 00:00:00

abstract：:Abattoir-derived oocytes were exposed to a concentrated cryoprotectant solution (DAP213: 2 M DMSO, 1 M acetamide, 3 M propanediol, and 10% FCS in TCM199) for 1.5 or 5 min at the germinal vesicle (GV) stage or after maturation in vitro (IVM). Their viability was assessed by in vitro fertilization (IVF) and culture (IVC...

journal_title：Molecular reproduction and development

authors： Fuku EJ,Liu J,Downey BR

更新日期：1995-02-01 00:00:00

abstract：:Eggs of Ascidia ceratodes and Phallusia mammillata block polyspermy by releasing a phosphatidylinositol-linked glycosidase from the follicle cell and egg surface that binds to and blocks all unoccupied sperm binding sites on the vitelline coat. Release of this glycosidase is thought to be under the control of a membra...

journal_title：Molecular reproduction and development

authors： Robert LK,Lucio-Gough LM,Goode CA,Mckinney K,Lambert CC

更新日期：1999-09-01 00:00:00

abstract：:The present study was conducted to investigate the mechanisms underlying fluid movement across the trophectoderm during blastocyst formation by determining whether aquaporins (AQPs) are expressed during early mammalian development. AQPs belong to a family of major intrinsic membrane proteins and function as molecular ...

journal_title：Molecular reproduction and development

authors： Offenberg H,Barcroft LC,Caveney A,Viuff D,Thomsen PD,Watson AJ

更新日期：2000-12-01 00:00:00

abstract：:Telomeres are specialized natural ends of eukaryotic chromosomes that, contrary to the ends of broken chromosomes, are stable and do not fuse with the ends of other chromosomes. In addition, telomeres protect chromosomal ends from degradation, facilitate completion of chromosomal DNA replication, and contribute to chr...

journal_title：Molecular reproduction and development

authors： Kierszenbaum AL

更新日期：2000-09-01 00:00:00

abstract：:During the molecular cloning of the ovine testicular follicle-stimulating (FSH) receptor that couples to the Gs-type effector systems, we discovered novel cDNA clones that were highly homologous. Some of these clones contained an insert of 1,584 bp, which consisted of a divergent 3' region spliced with a 5' region tha...

journal_title：Molecular reproduction and development

authors： Yarney TA,Jiang L,Khan H,MacDonald EA,Laird DW,Sairam MR

更新日期：1997-12-01 00:00:00

abstract：:Using a specific protein binding assay we have shown that a spermatozoon of the ascidian Ciona intestinalis contains 1.58 +/- 0.74 x 10(-19) moles of inositol 1,4,5-tri-phosphate (InsP3), while a human spermatozoon contains 6.4 +/- 0.14 x 10(-19) moles. Induction of the acrosome reaction (AR) in both species, by expos...

journal_title：Molecular reproduction and development

authors： Tosti E,Palumbo A,Dale B

更新日期：1993-05-01 00:00:00

abstract：:Mouse zygotes or halves of zygotes, containing either a female or a male pronucleus, were fused with ovulated metaphase II oocytes. In 59.7% of the resulting hybrid cells, the pronuclei underwent premature chromosome condensation (PCC). In some of these heterokaryons the 2 pronuclei differed in the dynamics of condens...

journal_title：Molecular reproduction and development

authors： Ciemerych MA,Czołowska R

更新日期：1993-01-01 00:00:00

abstract：:Previous studies from our laboratory have identified MPS, a 100-kDa protein, as the major phosphoprotein substrate of caprine sperm ecto-cyclic AMP independent protein kinase. In this study the isolated (32)P-labelled MPS has been incorporated into mature caprine (Capra indicus) cauda-epididymal spermatozoa with the h...

journal_title：Molecular reproduction and development

authors： Maiti A,Mishra KP,Majumder GC

更新日期：2008-07-01 00:00:00

abstract：:PLAC1 is a recently described, trophoblast-specific gene that localizes to a region of the X-chromosome important in placental development. Immunohistochemical analysis demonstrated that PLAC1 polypeptide localizes to the differentiated syncytiotrophoblast throughout gestation (8-41 weeks) as well as a small populatio...

journal_title：Molecular reproduction and development

authors： Massabbal E,Parveen S,Weisoly DL,Nelson DM,Smith SD,Fant M

更新日期：2005-07-01 00:00:00

abstract：:Haprin (TRIM36) is a ubiquitin-protein ligase that mediates ubiquitination and subsequent proteasomal degradation of target proteins. It is expressed in the testes in both mice and humans and is thought to be involved in spermiogenesis, the acrosome reaction, and fertilization. However, the functional role of Haprin i...

journal_title：Molecular reproduction and development

authors： Aoki Y,Tsujimura A,Kaseda K,Okabe M,Tokuhiro K,Ohta T,O'Bryan MK,Okuda H,Kitamura K,Ogawa Y,Fujiki T,Wada M,Horie S,Nishimune Y,Tanaka H

更新日期：2020-05-01 00:00:00

abstract：:Bone morphogenetic proteins (BMPs) belong to the transforming growth factor-beta (TGFβ) superfamily. BMPs mediate a highly conserved signal transduction cascade through the type-I and type-II serine/threonine kinase receptors and intracellular Smad proteins, which regulate multiple developmental and homeostatic proces...

journal_title：Molecular reproduction and development

authors： Tian C,Liu J

更新日期：2013-09-01 00:00:00

abstract：:We have examined the developmental pattern of prolactin receptor expression in the mouse by reverse transcription-polymerase chain reaction, in situ hybridization, and radioligand binding and have found two unexpected aspects of temporal regulation. First, high levels of prolactin receptor mRNA were detected in mouse ...

journal_title：Molecular reproduction and development

authors： Tzeng SJ,Linzer DI

更新日期：1997-09-01 00:00:00

abstract：:Varicocele is a prevalent pathology among infertile men. The mechanisms linking this condition to infertility, however, are poorly understood. Our previous work showed a relationship between sperm functional quality and the ability of spermatozoa to respond to capacitating conditions with increased membrane fluidity a...

journal_title：Molecular reproduction and development

authors： Buffone MG,Brugo-Olmedo S,Calamera JC,Verstraeten SV,Urrutia F,Grippo L,Corbetta JP,Doncel GF

更新日期：2006-12-01 00:00:00

abstract：:In studies of somatic cell nuclear transfer (SCNT), the ability of factors within the oocyte to epigenetically reprogram transferred nuclei is essential for embryonic development of the clone to proceed. However, irregular patterns of X-chromosome inactivation, abnormal expression of imprinted genes, and genomic DNA h...

journal_title：Molecular reproduction and development

authors： Golding MC,Williamson GL,Stroud TK,Westhusin ME,Long CR

更新日期：2011-05-01 00:00:00

abstract：:An early step in mammalian fertilization is species-restricted binding of sperm to the egg's zona pellucida (ZP), a thick extracellular coat that surrounds eggs. Sperm bind to the ZP of unfertilized eggs, but not to the ZP of fertilized eggs. Shortly after binding to the unfertilized egg ZP, sperm undergo the acrosome...

journal_title：Molecular reproduction and development

authors： Litscher ES,Williams Z,Wassarman PM

更新日期：2009-10-01 00:00:00

abstract：:Acrosin (ACR), a serine proteinase located in the acrosome of the sperm, has been presumed to be involved in the recognition and binding of the sperm to the zona pellucida of the ovum and the sperm penetration through the zona pellucida. To examine the function of acrosin in vivo, we have generated mice carrying a mut...

journal_title：Molecular reproduction and development

authors： Adham IM,Nayernia K,Engel W

更新日期：1997-03-01 00:00:00

abstract：:Decades worth of research have consistently shown the adverse effects of elevated temperatures on reproductive parameters of livestock species. The objective of this study was to evaluate the developmental and apoptotic responses of porcine in vitro fertilized (IVF) and parthenogenetically activated (PA) embryos heat ...

journal_title：Molecular reproduction and development

authors： Isom SC,Prather RS,Rucker EB 3rd

更新日期：2007-05-01 00:00:00

abstract：:An exogenous supply of hematopoietic cytokines is essential for maintaining murine embryonic stem (ES) cells in a proliferative yet undifferentiated state. Recently, it was demonstrated that hematopoietic cytokines utilize the gp130 signal transduction pathway to maintain this phenotype, although their involvement tow...

journal_title：Molecular reproduction and development

authors： Moore K,Piedrahita JA

更新日期：1996-10-01 00:00:00

abstract：:The distribution of microtubules was studied during fertilization of the rabbit oocyte by immunofluorescence microscopy after staining with an anti-alpha-tubulin antibody. In ovulated oocytes, microtubules were found exclusively in the meiotic spindle. At fertilization, the paternal centrosome generated sperm astral m...

journal_title：Molecular reproduction and development

authors： Yllera-Fernández MM,Crozet N,Ahmed-Ali M

更新日期：1992-07-01 00:00:00

abstract：:This study was performed to investigate the effects of edaravone on hypoxia-induced trophoblast cell proliferation, apoptosis, and invasion. The trophoblast cell line HTR-8 (H8) was treated with cobalt chloride (CoCl2 ) with or without a 1-hr edaravone pretreatment, followed by assessment of intracellular reactive oxy...

journal_title：Molecular reproduction and development

authors： Zheng Y,Zhao Y,Luo Q,Liu X,Liu X,Hu Y,Zou L

更新日期：2016-07-01 00:00:00

abstract：:The objective of this research was to evaluate if DNA hypomethylation in cells used as karyoplasts would improve development of bovine nuclear transplantation (NT) embryos. DNA from serum-fed (SF), serum-starved (SS), and 1, or 5 microM 5-azacytidine (5-aza-CR) treated cells was digested with a methylation sensitive e...

journal_title：Molecular reproduction and development

authors： Jones KL,Hill J,Shin TY,Lui L,Westhusin M

更新日期：2001-10-01 00:00:00

abstract：:Studies have shown that aberrant expression of IL-12p40, which is encoded by the interleukin-12B (IL-12B) gene, may be involved in the development of endometriosis. In this study, we investigated the role of aberrant methylation of the IL-12B promoter region and its associated expression in the development of ovarian ...

journal_title：Molecular reproduction and development

authors： Zhao W,Kang S,Zhao J,Wang L,Cao S,Li Y

更新日期：2019-06-01 00:00:00

abstract：:Many ascidians live in clumps and usually release sperm before the eggs. Consequently, eggs are often spawned into dense clouds of sperm. Because fertilization by more than a single sperm is lethal, ascidians have evolved at least two successive blocks to polyspermy: the rapid release of a glycosidase that inhibits sp...

journal_title：Molecular reproduction and development

authors： Lambert C,Goudeau H,Franchet C,Lambert G,Goudeau M

更新日期：1997-09-01 00:00:00

abstract：:The maturation of various aspects of sperm function have been demonstrated in monkey and human epididymal sperm, including the ability to undergo the acrosome reaction. The present study aimed to investigate the maturational changes in non-human primate sperm in the signal transduction mechanisms leading to the acroso...

journal_title：Molecular reproduction and development

authors： Yeung CH,Weinbauer GF,Cooper TG

更新日期：1999-10-01 00:00:00

abstract：:cAMP-dependent protein kinase A (PKA) plays important regulatory roles during mouse spermatogenesis. PKA-mediated signaling has been shown to regulate gene expression, chromatin condensation, capacitation, and motility during sperm development and behavior, although how PKA is regulated in spatiotemporal manners durin...

journal_title：Molecular reproduction and development

authors： Xu K,Qi H

更新日期：2014-07-01 00:00:00

abstract：:A mouse cDNA encoding a putative DNA-binding protein of the zinc-finger type was isolated from an E8.5 mouse embryonic cDNA library. Sequence comparison revealed a high degree of homology between this mouse cDNA and the human and rat orphan receptor Tr2-11 isolated from prostate cDNA libraries. This transcript was det...

journal_title：Molecular reproduction and development

authors： Lee CH,Chang L,Wei LN

更新日期：1996-07-01 00:00:00

abstract：:Using alpha and beta spectrin mammalian antibodies on Western blotting, we demonstrated that lizard ovarian follicles contain two isoforms of alpha spectrin, Mr 94 and 134 kDa, and a 230 kDa beta spectrin, and that their pattern modifies in relation to pyriform cell differentiation. In fact, a positive immunoreaction ...

journal_title：Molecular reproduction and development

authors： Ricchiari L,Carmela VM,Marina P,Rosa C,Annamaria L,Piero A

更新日期：2004-01-01 00:00:00

abstract：:Under the influence of progesterone, the porcine uterus synthesizes plasmin/trypsin inhibitor (PTI), a low molecular weight protein (M(r) approximately 14,000) belonging to the Kunitz family of proteinase inhibitors. Here it is demonstrated that mRNA for the same protein is produced by the developing trophoblast durin...

journal_title：Molecular reproduction and development

authors： Duffy JY,Stallings-Mann ML,Trout WE,Roberts RM

更新日期：1997-04-01 00:00:00

abstract：:Inhibin α (Inha) gene expression is regulated, in rat granulosa cells, via a cyclic 3',5'-adenosine monophosphate (AMP)-response element (CRE) found in a region of the promoter that is homologous to the human INHA promoter. We previously found that during in vitro cytotrophoblast differentiation, human INHA gene expre...

journal_title：Molecular reproduction and development

authors： Depoix CL,Debiève F,Hubinont C

更新日期：2014-11-01 00:00:00