Hormonal and embryonic regulation of chemokine receptors CXCR1, CXCR4, CCR5 and CCR2B in the human endometrium and the human blastocyst.

abstract：:We investigated the expression of methyl transferase G9a and methylated histone H3-K9 in fresh human decidual/endometrial tissue of 12 normal early pregnancies and 15 unexplained recurrent spontaneous abortions (URSA). The samples were obtained through dilatation and curettage and collected as per strict inclusion-exc...

journal_title：Molecular human reproduction

authors： Fatima N,Ahmed SH,Salhan S,Rehman SM,Kaur J,Owais M,Chauhan SS

更新日期：2011-11-01 00:00:00

abstract：:Nitric oxide (NO) is synthesized from L-arginine by a family of enzymes known as the nitric oxide synthases (NOS). We have recently shown a NOS similar to constitutive brain NOS (bNOS) and endothelial NOS (ecNOS) to be present in spermatozoa. The aim of this study is to investigate NO production by human spermatozoa a...

journal_title：Molecular human reproduction

authors： Donnelly ET,Lewis SE,Thompson W,Chakravarthy U

更新日期：1997-09-01 00:00:00

abstract：STUDY QUESTION:Can a pre-in vitro maturation (pre-IVM) medium containing signaling molecules rather than chemical/pharmaceutical agents, sustain meiotic arrest and improve developmental competence of in vitro matured oocytes in CF1 outbred mice? SUMMARY ANSWER:A short 2 h period of pre-IVM prevents spontaneous meiotic...

journal_title：Molecular human reproduction

authors： Santiquet NW,Greene AF,Becker J,Barfield JP,Schoolcraft WB,Krisher RL

更新日期：2017-09-01 00:00:00

abstract：:Human sperm contain similar amounts of protamine-1 (P1) and protamine-2 (P2). Although an aberrant protamine ratio have been observed in subfertile men, functional evidence is provided by protamine knockout mice exhibiting male infertility. As sperm DNA integrity is known to be linked with DNA fragmentation and apopto...

journal_title：Molecular human reproduction

authors： Cavalcanti MC,Steilmann C,Failing K,Bergmann M,Kliesch S,Weidner W,Steger K

更新日期：2011-07-01 00:00:00

abstract：:Oocyte vitrification has been introduced into clinical settings without extensive pre-clinical safety testing. In this study, we analysed major safety aspects of human oocyte vitrification in a high security closed system: (i) chromosomal meiotic segregation, (ii) embryonic developmental kinetics and (iii) DNA (hydrox...

journal_title：Molecular human reproduction

authors： De Munck N,Petrussa L,Verheyen G,Staessen C,Vandeskelde Y,Sterckx J,Bocken G,Jacobs K,Stoop D,De Rycke M,Van de Velde H

更新日期：2015-06-01 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：:The peri-implantation period is a critical time during murine development. Although the importance of nitric oxide has been demonstrated during gestation, its role in implantation has not been fully defined. The aim of this study was to quantify (by Western blotting) two prominent nitric oxide synthase (NOS) isoforms,...

journal_title：Molecular human reproduction

authors： Purcell TL,Given R,Chwalisz K,Garfield RE

更新日期：1999-05-01 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：:E-cadherin (uvomorulin)-mediated cell interactions are essential for preimplantation development in mammals. We observed that E-cadherin is expressed at contact sites between blastomeres of 2-cell mouse embryos of non-blocking genotype (CBA x C57BL F1) explanted at 32 h post human chorionic gonadotrophin (HCG) and cul...

journal_title：Molecular human reproduction

authors： Neganova IE,Sekirina GG,Eichenlaub-Ritter U

更新日期：2000-05-01 00:00:00

abstract：:We have previously reported that endometrial expression of matrix metalloproteinase (MMP)-26 mRNA comes to a maximum in the early secretory phase. Since tissue inhibitor of metalloproteinase (TIMP)-4 is a potent inhibitor of MMP-26, the objective of this study was to identify the pattern of TIMP-4 mRNA expression in t...

journal_title：Molecular human reproduction

authors： Pilka R,Domanski H,Hansson S,Eriksson P,Casslén B

更新日期：2004-09-01 00:00:00

abstract：:In mammals, egg activation is initiated by multiple cytosolic Ca(2+) transients (Ca(2+) oscillations) that are triggered following delivery of a putative sperm factor from the fertilizing sperm. The identity of this 'sperm factor' thus holds much significance, not only as a vital component in creating a new life, but ...

journal_title：Molecular human reproduction

authors： Kashir J,Nomikos M,Swann K,Lai FA

更新日期：2015-05-01 00:00:00

abstract：:We report here the molecular cloning and characterization of a novel human actin capping protein alpha3 (cpalpha3) cDNA, an orthologue of the mouse male germ cell-specific cpalpha3, and the organization of the human cpalpha3 genomic structure. The entire coding region of the human cpalpha3 cDNA showed 82.1% similarity...

journal_title：Molecular human reproduction

authors： Miyagawa Y,Tanaka H,Iguchi N,Kitamura K,Nakamura Y,Takahashi T,Matsumiya K,Okuyama A,Nishimune Y

更新日期：2002-06-01 00:00:00

abstract：:Stress-activated protein kinase/c-Jun kinase (SAPK/JNK) is thought to be necessary for preimplantation embryonic development (Maekawa et al., 2005). However, media increases SAPK/JNK phosphorylation and these levels negatively correlate with embryonic development (Wang et al., 2005). Culture-induced stress could confu...

journal_title：Molecular human reproduction

authors： Xie Y,Puscheck EE,Rappolee DA

更新日期：2006-04-01 00:00:00

abstract：:Indoleamine 2,3-dioxygenase-1 (IDO1) is an intracellular enzyme that catalyses essential amino acid tryptophan along the kynurenine pathway. The aim of this study was to determine the impact of IDO1 expression on the biological characteristic of the endometrial stromal cells (ESCs). IDO1, cyclooxygenase-2 (COX-2) and ...

journal_title：Molecular human reproduction

authors： Mei J,Jin LP,Ding D,Li MQ,Li DJ,Zhu XY

更新日期：2012-10-01 00:00:00

abstract：:In the implantation, trophoblasts penetrate maternal decidua by secreting proteases. It has been reported that cathepsins are highly expressed in the mouse villi, and play an important role in normal embryonal growth and decidualization. In this study, we evaluated cathepsins and their endogenous inhibitors, cystatins...

journal_title：Molecular human reproduction

authors： Nakanishi T,Ozaki Y,Blomgren K,Tateyama H,Sugiura-Ogasawara M,Suzumori K

更新日期：2005-05-01 00:00:00

abstract：:Follicular fluid proteoglycans play an important role in human oocyte maturation, including the development of a fluid-filled compartment and maintenance of the hypocoagulative state of the follicular fluid. Human xylosyltransferase (EC 2.4.2.26, XT) is the key enzyme in the biosynthesis of glycosaminoglycan chains in...

journal_title：Molecular human reproduction

authors： Götting C,Kuhn J,Tinneberg HR,Brinkmann T,Kleesiek K

更新日期：2002-12-01 00:00:00

abstract：:Fatty acid amide hydrolase (FAAH) is involved in embryo development and implantation. Sex hormones down-modulate FAAH activity in the mouse uterus. However, the regulation of the FAAH gene in the uterus is unknown. Our results showed that FAAH mRNA is localized to uterine epithelial cells and circular myometrium durin...

journal_title：Molecular human reproduction

authors： Xiao AZ,Zhao YG,Duan EK

更新日期：2002-07-01 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：:Stromal cell-derived factor-1 (SDF-1 or CXCL12) is the physiologic ligand for the chemokine receptor CXCR4. CXCR4-mediated signalling regulates cell migration and apoptosis in certain haematopoietic and neuronal cells. Using gene profiling, we determined that CXCR4 is the only chemokine receptor for which mRNA express...

journal_title：Molecular human reproduction

authors： Jaleel MA,Tsai AC,Sarkar S,Freedman PV,Rubin LP

更新日期：2004-12-01 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：: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：:Observational human data and several lines of animal experimental data indicate that maternal obesity impairs offspring health. Here, we comprehensively tested the model that maternal obesity causes defects in the next three generations of oocytes and embryos. We exposed female F0 mice to a high-fat/high-sugar (HF/HS)...

journal_title：Molecular human reproduction

authors： Andreas E,Reid M,Zhang W,Moley KH

更新日期：2019-11-30 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：:A number of placental cytokines participate in the feto-maternal defence mechanism. Monocyte chemotactic and activating factor (MCAF) is one of these chemokines. We investigated the pattern of placental MCAF production, the localization of MCAF-producing cells in the placenta, and alterations in its expression in chor...

journal_title：Molecular human reproduction

authors： Shimoya K,Matsuzaki N,Sawai K,Saji F,Murata Y,Yasumoto K,Su S,Mukaida N,Matsushima K

更新日期：1998-04-01 00:00:00

abstract：:Human chromosome deletions in Yq11 seem to occur frequently as de novo mutation events in men with idiopathic azoospermia or severe oligozoospermia. However, the molecular extensions of these deletions are variable. They can be large and therefore visible under the microscope or small, not visible under the microscope...

journal_title：Molecular human reproduction

authors： Vogt PH

更新日期：1998-08-01 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

abstract：:Surfactant protein D (SP-D) plays a role in innate immunity against various pathogens and in vivo studies have demonstrated that SP-D also has anti-inflammatory properties. SP-D was originally demonstrated in alveolar type II cells, but recent studies have shown extrapulmonary expression of SP-D indicating a systemic ...

journal_title：Molecular human reproduction

authors： Leth-Larsen R,Floridon C,Nielsen O,Holmskov U

更新日期：2004-03-01 00:00:00

abstract：:Zinc dynamics are essential for oocyte meiotic maturation, egg activation, and preimplantation embryo development. During fertilisation and egg activation, the egg releases billions of zinc atoms (Zn2+) in an exocytotic event termed the 'zinc spark'. We hypothesised that this zinc transport and exocytosis is dependent...

journal_title：Molecular human reproduction

authors： Lee HC,Edmonds ME,Duncan FE,O'Halloran TV,Woodruff TK

更新日期：2020-04-24 00:00:00

abstract：STUDY QUESTION:What is the prevalence, reproducibility and biological significance of transcriptomic differences between sister blastomeres of the mouse 2-cell embryo? SUMMARY ANSWER:Sister 2-cell stage blastomeres are distinguishable from each other by mRNA analysis, attesting to the fact that differentiation starts ...

journal_title：Molecular human reproduction

authors： Casser E,Israel S,Schlatt S,Nordhoff V,Boiani M

更新日期：2018-07-01 00:00:00

abstract：STUDY QUESTION:Could a more detailed evaluation of marmoset spermatogonial morphology, kinetics and niches using high-resolution light microscopy (HRLM) lead to new findings? SUMMARY ANSWER:Three subtypes of marmoset undifferentiated spermatogonia, which were not evenly distributed in terms of number and position alon...

journal_title：Molecular human reproduction

authors： Caldeira-Brant AL,Eras-Garcia L,Alves-Freitas D,Almeida FRCL,Chiarini-Garcia H

更新日期：2018-06-01 00:00:00