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Embryo quality

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https://www.readbyqxmd.com/read/27921090/the-effect-of-intrauterine-human-chorionic-gonadotropin-injection-before-embryo-transfer-on-the-implantation-and-pregnancy-rate-in-infertile-patients-a-randomized-clinical-trial
#1
Razieh Dehghani Firouzabadi, Sima Janati, Mohammad Hossein Razi
BACKGROUND: Implantation is one of the essential steps for the success of assisted reproductive techniques (ART). Their success depends on three main factors: embryo quality, endometrial receptivity (ER), and synchrony between embryo and endometrium. There are various factors that regulate the complex process of implantation. In this regard, one may refer to human chorionic gonadotropin (hCG) as the most important factor. OBJECTIVE: This study aims to investigate the effect of intrauterine hCG injection before embryo transfer (ET) on pregnancy outcome in infertile couples...
October 2016: International Journal of Reproductive Biomedicine (Yazd, Iran)
https://www.readbyqxmd.com/read/27921089/effect-of-l-carnitine-on-in-vitro-developmental-rate-the-zona-pellucida-and-hatching-of-blastocysts-and-their-cell-numbers-in-mouse-embryos
#2
Nasrin Khanmohammadi, Mansoureh Movahedin, Manouchehr Safari, Hamid Reza Sameni, Behpour Yousefi, Behnaz Jafari, Sam Zarbakhsh
: L-carnitine (LC) is an antioxidant with the ability to promote the growth in vitro embryo. OBJECTIVE: The goal was to evaluate the effect of LC on some indicators of embryo development and blastocyst quality including zona pellucid (ZP) thickness, the hatching of blastocysts and their cell numbers. MATERIALS AND METHODS: Mouse embryos were randomly divided into five groups and incubated with different concentrations of LC (I; 0, II; 0.5, III; 1, IV; 2 and V; 4 mg/ml) from 2-cell to hatched blastocyst...
October 2016: International Journal of Reproductive Biomedicine (Yazd, Iran)
https://www.readbyqxmd.com/read/27919073/mitochondrial-replacement-in-human-oocytes-carrying-pathogenic-mitochondrial-dna-mutations
#3
Eunju Kang, Jun Wu, Nuria Marti Gutierrez, Amy Koski, Rebecca Tippner-Hedges, Karen Agaronyan, Aida Platero-Luengo, Paloma Martinez-Redondo, Hong Ma, Yeonmi Lee, Tomonari Hayama, Crystal Van Dyken, Xinjian Wang, Shiyu Luo, Riffat Ahmed, Ying Li, Dongmei Ji, Refik Kayali, Cengiz Cinnioglu, Susan Olson, Jeffrey Jensen, David Battaglia, David Lee, Diana Wu, Taosheng Huang, Don P Wolf, Dmitry Temiakov, Juan Carlos Izpisua Belmonte, Paula Amato, Shoukhrat Mitalipov
Maternally inherited mitochondrial (mt)DNA mutations can cause fatal or severely debilitating syndromes in children, with disease severity dependent on the specific gene mutation and the ratio of mutant to wild-type mtDNA (heteroplasmy) in each cell and tissue. Pathogenic mtDNA mutations are relatively common, with an estimated 778 affected children born each year in the United States. Mitochondrial replacement therapies or techniques (MRT) circumventing mother-to-child mtDNA disease transmission involve replacement of oocyte maternal mtDNA...
November 30, 2016: Nature
https://www.readbyqxmd.com/read/27918727/the-current-state-of-reproductive-biology-research-in-australia-and-new-zealand-core-themes-from-the-society-for-reproductive-biology-annual-meeting-2016
#4
L K Akison, P H Andraweera, M J Bertoldo, H M Brown, J S M Cuffe, T Fullston, O Holland, J E Schjenken
Because reproduction is essential for all life, it is central to our understanding of all aspects of biology. The Society for Reproductive Biology (SRB) 2016 conference held on the Gold Coast (Qld, Australia) displayed the current breadth of reproductive research in Australia and New Zealand, with additional insights from world leaders in the field. This conference review provides a focused summary of the key questions, emerging ideas and novel technologies that were presented in the symposia. Presented research demonstrated key advances in how stem cell biology may allow us to better understand pluripotency, as well as how environmental and lifestyle factors, such as circadian disruption, smoking, alcohol and diet, affect gametogenesis, embryo implantation, placental function and reproductive capacity...
December 6, 2016: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/27916207/integrating-insulin-into-single-step-culture-medium-regulates-human-embryo-development-in%C3%A2-vitro
#5
Mohamed Fawzy, Mohamed Sabry, Mohamed Nour, Mohamed Y Abdelrahman, Eman Roshdy, Yasmin Magdi, Hazem Abdelghafar
OBJECTIVE: To evaluate the effect of supplementing single-step embryo culture medium with insulin on human embryo development. DESIGN: Comparative study. SETTING: Two private centers. PATIENT(S): The study involved a sibling oocyte split of 5,142 retrieved oocytes from 360 patients. INTERVENTION(S): Sibling oocytes split after intracytoplasmic sperm injection for culture from day 0 through day 5 or 6 in insulin-supplemented or control medium...
December 1, 2016: Fertility and Sterility
https://www.readbyqxmd.com/read/27915038/intrauterine-administration-of-hcg-activated-autologous-human-peripheral-blood-mononuclear-cells-pbmc-promotes-live-birth-rates-in-frozen-thawed-embryo-transfer-cycles-of-patients-with-repeated-implantation-failure
#6
Saijiao Li, Jing Wang, Yan Cheng, Danni Zhou, Tailang Yin, Wangming Xu, Nan Yu, Jing Yang
Recurrent implantation failure refers to unsuccessful implantation after repeated transfers of morphologically good quality embryos into a normal uterus. Recently, accumulating evidence has suggested that local immune cells at the implantation site have actively contributed to embryo implantation. Our aim was to study the effects of intrauterine administration of hCG-activated autologous human PBMC on clinical pregnancy, implantation rates and live birth rate of patients who received frozen/thawed embryo transfer...
November 27, 2016: Journal of Reproductive Immunology
https://www.readbyqxmd.com/read/27911012/the-role-of-age-of-disclosure-of-biological-origins-in-the-psychological-wellbeing-of-adolescents-conceived-by-reproductive-donation-a-longitudinal-study-from-age-1-to-age-14
#7
Elena Ilioi, Lucy Blake, Vasanti Jadva, Gabriela Roman, Susan Golombok
BACKGROUND: The question of whether children should be told of their biological origins is one of the most controversial issues regarding the birth of children through donated eggs, sperm, embryos or surrogacy. METHODS: In the sixth phase of this longitudinal study when the children were aged 14 years, family relationships and adolescent adjustment were examined in 87 families created through reproductive donation and 54 natural conception families. The quality of family relationships was assessed by standardised interview with mothers and by standardised questionnaires and an observational measure with mothers and adolescents...
December 2, 2016: Journal of Child Psychology and Psychiatry, and Allied Disciplines
https://www.readbyqxmd.com/read/27907898/obstetrical-and-perinatal-outcomes-following-blastocyst-transfer-compared-to-cleavage-transfer-a-systematic-review-and-meta-analysis
#8
W P Martins, C O Nastri, L Rienzi, S Z van der Poel, C R Gracia, C Racowsky
STUDY QUESTION: Is blastocyst transfer safe when compared to cleavage stage embryo transfer regarding obstetric and perinatal outcomes? SUMMARY ANSWER: The clinical equipoise between blastocyst and cleavage stage embryo transfer remains as the evidence associating blastocyst transfer with some adverse perinatal outcomes is of low/very low quality. WHAT IS KNOWN ALREADY: Extended embryo culture to the blastocyst stage provides some theoretical advantages and disadvantages...
November 2016: Human Reproduction
https://www.readbyqxmd.com/read/27907897/cost-effectiveness-of-embryo-transfer-strategies-a-decision-analytic-model-using-long-term-costs-and-consequences-of-singletons-and-multiples-born-as-a-consequence-of-ivf
#9
M M J van Heesch, A D I van Asselt, J L H Evers, M A H B M van der Hoeven, J C M Dumoulin, C E M van Beijsterveldt, G J Bonsel, R H M Dykgraaf, J B van Goudoever, C Koopman-Esseboom, W L D M Nelen, K Steiner, P Tamminga, N Tonch, H L Torrance, C D Dirksen
STUDY QUESTION: What is the cost-effectiveness of elective single embryo transfer (eSET) versus double embryo transfer (DET) strategies from a societal perspective, when applying a time horizon of 1, 5 and 18 years? SUMMARY ANSWER: From a short-term perspective (1 year) it is cost-effective to replace DET with single embryo transfer; however when intermediate- (5 years) and long-term (18 years) costs and consequences are incorporated, DET becomes the most cost-effective strategy, given a ceiling ratio of €20 000 per quality-adjusted life years (QALY) gained...
November 2016: Human Reproduction
https://www.readbyqxmd.com/read/27904408/quality-of-bread-supplemented-with-antrodia%C3%A2-salmonea-fermented-grains
#10
Rao-Chi Chien, Enkhjargal Ulziijargal, Jeng-Leun Mau
Fermented grains of buckwheat, oat, embryo rice and wheat, which were prepared by solid-state fermentation with Antrodia salmonea, and the mycelium was used to substitute 7% of wheat flour to make bread. No difference in proximate composition, texture profile and contents of non-volatile taste components was observed among bread samples. White bread and bread supplemented with mycelium and fermented grains looked different. Bread supplemented with fermented grains had similar thermal properties, which differed from those of white bread and bread supplemented with mycelium...
June 2016: Food Technology and Biotechnology
https://www.readbyqxmd.com/read/27903344/-a-control-study-of-artificial-oocyte-activation-in-the-same-period
#11
D Y Hao, R Zhang, X Zhang, C Y Shen, Y Yang, W B Wu, Y L Liu, J Liu, J R Zhang, X L Wang
Objective: To compare the fertility rate and embryo outcome between normal fertilization and the use of Calcium ionophore A23187 on the same period of the same cycle of human ovum for artificial activation. Methods: Patients who conducted the intracytoplasmic sperm injection (ICSI) cycle in vitro fertilization assisted reproductive from January 2015 to December in reproductive center of the Third Affiliated Hospital of Zhengzhou University were enrolled.The protocol of this study was approved by the ethics committee of The Third Affiliated Hospital of Zhengzhou University...
November 22, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/27901279/dopamine-agonists-for-preventing-ovarian-hyperstimulation-syndrome
#12
REVIEW
Huilin Tang, Selma Mourad, Suo-Di Zhai, Roger J Hart
BACKGROUND: Ovarian hyperstimulation syndrome (OHSS) is a potentially serious complication of ovarian stimulation in assisted reproduction technology (ART). It is characterised by enlarged ovaries and an acute fluid shift from the intravascular space to the third space, resulting in bloating, increased risk of venous thromboembolism and decreased organ perfusion. Most cases are mild, but forms of moderate or severe OHSS appear in 3% to 8% of in vitro fertilisation (IVF) cycles. The dopamine agonist cabergoline was introduced as a secondary prevention intervention for OHSS in women at high risk of OHSS undergoing ART treatment...
November 30, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27901130/huwe1-plays-important-role-in-mouse-preimplantation-embryo-development-and-the-dysregulation-is-associated-with-poor-embryo-development-in-humans
#13
L J Chen, W M Xu, M Yang, K Wang, Y Chen, X J Huang, Q H Ma
HUWE1 is a HECT domain containing ubiquitin ligase implicated in neurogenesis, spermatogenesis and cancer development. The purpose of the current study is to investigate the role of HUWE1 in early embryo development. Here we demonstrate that Huwe1 is expressed in both nucleus and cytoplasm of preimplantation mouse embryos as well as gametes. Hypoxia (5% O2) treatment could significantly increase Huwe1 expression during mouse embryo development process. HUWE1 knockdown inhibited normal embryonic development and reduced blastocyst formation, and increased apoptotic cell numbers were observed in the embryos of HUWE1 knockdown group...
November 30, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27900613/associations-between-follicular-fluid-high-density-lipoprotein-particle-components-and-embryo-quality-among-in-vitro-fertilization-patients
#14
K Kim, M S Bloom, R W Browne, E M Bell, R M Yucel, V Y Fujimoto
PURPOSE: Folliular redox balance is likely to be important for embryo quality during in vitro fertilization (IVF), and the anti-oxidative high desity lipoprotein (HDL) particle is the sole lipoprotein measured in follicular fluid (FF). Therefore, we investigated FF HDL particle components as predictors of embryo quality during IVF. METHODS: Two research follicles collected from each participant were individually tracked, and 103 women having at least one developed embryo were included in the analysis...
November 29, 2016: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/27896242/intracytoplasmic-sperm-injection-outcomes-with-freshly-ejaculated-sperms-and-testicular-or-epididymal-sperm-extraction-in-patients-with-idiopathic-cryptozoospermia
#15
Ali Asghar Ketabchi
BACKGROUND: Cryptozoospermia (CO) is a situation in which spermatozoa cannot be observed in a fresh semen sample unless an extended centrifugation and microscopic search are performed. CO patients are suggested to use only intracytoplasmic sperm injection (ICSI) as infertility treatment. But still there is debate about the choice of sperm source in cryptozoospermic men candidate for ICSI. OBJECTIVES: This study was conducted to evaluate fertility outcomes in men with idiopathic cryptozoospermia who were treated using ICSI with freshly ejaculated sperm and testis sperm extraction (TESE) or percutaneous epididymal sperm aspiration (PESA)...
November 2016: Nephro-urology Monthly
https://www.readbyqxmd.com/read/27895531/follicular-fluid-biomarkers-for-human-in-vitro-fertilization-outcome-proof-of-principle
#16
Fang Chen, Carl Spiessens, Thomas D'Hooghe, Karen Peeraer, Sebastien Carpentier
BACKGROUND: Human follicular fluid (FF) is a unique biological fluid in which the oocyte develops in vivo, and presents an optimal source for non-invasive biochemical predictors. Oocyte quality directly influences the embryo development and hence, may be used as a predictor of embryo quality. Peptide profiling of FF and its potential use as a biomarker for oocyte quality has never been reported. METHODS: This study screened FF for peptide biomarkers that predict the outcome of in vitro fertilization (IVF)...
2016: Proteome Science
https://www.readbyqxmd.com/read/27894976/comparison-of-the-clinical-outcomes-of-intracytoplasmic-sperm-injection-between-spermatozoa-retrieved-from-testicular-biopsy-and-from-ejaculate-in-cryptozoospermia-patients
#17
Xianfeng Cui, Pan Ding, Ge Gao, Yunshan Zhang
OBJECTIVE: To compare the clinical outcomes of intracytoplasmic sperm injection (ICSI) between spermatozoa retrieved from testicular biopsy and from ejaculate in cryptozoospermia patients. METHODS: The clinical data of 285 cryptozoospermia patients, who underwent ICSI treatment in our center during the period from March 2009 to November 2013, were retrospectively analyzed. Within them, ejaculated sperms were used in 214 cases (group 1) and testicular sperms extracted by testicular sperm aspiration (TESA) or conventional testis dissection sperm extraction (TESE) were used in 71 cases (group 2)...
November 25, 2016: Urology
https://www.readbyqxmd.com/read/27889789/effect-of-natural-cycle-endometrial-preparation-for-frozen-thawed-embryo-transfer-in-patients-with-advanced-endometriosis
#18
Haiyan Guo, Yun Wang, Qiuju Chen, Weiran Chai, Qifeng Lv, Yanping Kuang
BACKGROUND The aim of this study was to investigate the effect of natural cycle (NC) endometrial preparation for frozen-thawed embryo transfer (FET) in women with advanced endometriosis. MATERIAL AND METHODS This retrospective study included 179 patients with stage III-IV endometriosis who underwent 233 FET cycles at a tertiary care academic reproductive medical center between March 2011 and August 2013 (group A). The control group included 258 patients with tubal factor infertility who underwent 300 FET cycles (group B)...
November 27, 2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/27889640/inhibition-of-autophagy-with-bafilomycin-and-chloroquine-decreases-mitochondrial-quality-and-bioenergetic-function-in-primary-neurons
#19
Matthew Redmann, Gloria A Benavides, Taylor F Berryhill, Willayat Y Wani, Xiaosen Ouyang, Michelle S Johnson, Saranya Ravi, Stephen Barnes, Victor M Darley-Usmar, Jianhua Zhang
Autophagy is an important cell recycling program responsible for the clearance of damaged or long-lived proteins and organelles. Pharmacological modulators of this pathway have been extensively utilized in a wide range of basic research and pre-clinical studies. Bafilomycin A1 and chloroquine are commonly used compounds that inhibit autophagy by targeting the lysosomes but through distinct mechanisms. Since it is now clear that mitochondrial quality control, particularly in neurons, is dependent on autophagy, it is important to determine whether these compounds modify cellular bioenergetics...
November 18, 2016: Redox Biology
https://www.readbyqxmd.com/read/27884753/cell-free-dna-induced-apoptosis-of-granulosa-cells-by-oxidative-stress
#20
Yichun Guan, Wenjuan Zhang, Xingling Wang, Pengfei Cai, Qi Jia, Wenjie Zhao
BACKGROUND: Cell-free DNA is a DNA fragment that is produced by cell apoptosis which can affect the micro-environment of cell apoptosis. The levels of Cell-free DNA have been associated with successful rate of in vitro fertilization-embryo transfer (IVF-ET) and embryonic development. Our aim is to determine the relationship between cell-free DNA and embryo quality. The mechanisms of cell-free DNA in granulose and the apoptosis will be determined also. METHODS: The study enrolled patients who were undergone IVF for the first time and grouped the patients as pregnant (n=130) and non-pregnant (n=59)...
November 21, 2016: Clinica Chimica Acta; International Journal of Clinical Chemistry
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