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In vitro fertilization

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https://www.readbyqxmd.com/read/28644873/circular-rna-expression-profiling-of-human-granulosa-cells-during-maternal-aging-reveals-novel-transcripts-associated-with-assisted-reproductive-technology-outcomes
#1
Jing Cheng, Jia Huang, Suzhen Yuan, Su Zhou, Wei Yan, Wei Shen, Yun Chen, Xi Xia, Aiyue Luo, Da Zhu, Shixuan Wang
Circular RNAs (circRNAs) are a unique class of endogenous RNAs which could be used as potential diagnostic and prognostic biomarkers of many diseases. Our study aimed to investigate circRNA profiles in human granulosa cells (GCs) during maternal aging and to uncover age-related circRNA variations that potentially reflect decreased oocyte competence. CircRNAs in GCs from in vitro fertilization (IVF) patients with young age (YA, ≤ 30 years) and advanced age (AA, ≥ 38 years) were profiled by microarray, and validated in 20 paired samples...
2017: PloS One
https://www.readbyqxmd.com/read/28643946/activated-proline-rich-tyrosine-kinase-2-regulates-meiotic-spindle-assembly-in-the-mouse-oocyte
#2
Xiao-Qian Meng, Bing Cui, Dong Cheng, Hui Lyu, Li-Gang Jiang, Ke-Gang Zheng, Shu-Zhen Liu, Jie Pan, Cong Zhang, Jing Bai, Jun Zhou
Proline-rich tyrosine kinase 2 (PYK2), a member of the protein tyrosine kinase family, plays an important role in various cellular processes. PYK2 can be phosphorylated on tyrosine 402 by diverse stimuli at the cell surface, and recent studies have shown that this activated form of PYK2 is enriched in oocytes and required for fertilization. However, the subcellular localization and functions of activated PYK2 in oocytes remain elusive. In this study, we demonstrate that the localization of p-PYK2 undergoes dynamic changes during in vitro maturation of mouse oocytes...
June 23, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28643249/genome-editing-of-mouse-by-cytoplasmic-injection
#3
Takuro Horii, Izuho Hatada
CRISPR/Cas enables rapid production of genome-edited animals. The Cas9/gRNA component can be introduced to fertilized eggs in several ways. Here, we provide an instructional guide for the generation of knockout mice by cytoplasmic injection using in vitro transcribed Cas9 and gRNA.
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28643089/time-lapse-observation-and-transcriptome-analysis-of-a-case-with-repeated-multiple-pronuclei-after-ivf-icsi
#4
J Dai, L Z Leng, C F Lu, F Gong, S P Zhang, W Zheng, G X Lu, G Lin
PURPOSE: The purpose of this study was to investigate the cause of repeated multipronucleus (MPN) formation in zygotes in a patient after both in vitro fertilization (IVF) and intracytoplasmic sperm injection (ICSI). METHOD: This is a case study. A patient had unexplained primary infertility with recurring total MPN zygotes after IVF and ICSI cycles. Time-lapse monitoring of pronucleus formation was carried out. Embryos developed from MPN zygotes were analyzed by fluorescence in situ hybridization (FISH)...
June 22, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28638366/gonadotropin-releasing-hormone-and-its-role-in-the-enteric-nervous-system
#5
REVIEW
Bodil Ohlsson
Gonadotropin-releasing hormone (GnRH), follicle-stimulating hormone, and luteinizing hormone orchestrate the reproduction cycle and regulate the sex steroid secretion from the gonads. In mammals, GnRH1 is secreted as a hormone from the hypothalamus, whereas both GnRH1 and GnRH2 are present as neurotransmitters/peptides in various tissues, where the peptides exert many different effects. mRNA coding for GnRH1 and GnRH2 have been described in the human gastrointestinal tract, and GnRH has been found in both submucosal and myenteric neurons...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28638275/the-application-of-dehydroepiandrosterone-on-improving-mitochondrial-function-and-reducing-apoptosis-of-cumulus-cells-in-poor-ovarian-responders
#6
Li-Te Lin, Peng-Hui Wang, Zhi-Hong Wen, Chia-Jung Li, San-Nung Chen, Eing-Mei Tsai, Jiin-Tsuey Cheng, Kuan-Hao Tsui
Poor ovarian responders (PORs) pose a great challenge for in vitro fertilization (IVF). Previous studies have suggested that dehydroepiandrosterone (DHEA) may improve IVF outcomes in PORs. The current study attempted to investigate the clinical benefits of DHEA in PORs and the possible mechanisms of DHEA on cumulus cells (CCs). This was a prospective study performed at one tertiary center from January 2015 to March 2016. A total of 131 women who underwent IVF treatment participated, including 59 normal ovarian responders (NORs) and 72 PORs...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/28637324/the-effects-of-phytosterols-on-the-sexual-behavior-and-reproductive-function-in-the-japanese-quail-coturnix-coturnix-japonica
#7
Mohammad Ibrahim Qasimi, Kentaro Nagaoka, Gen Watanabe
Phytosterols (PS) are plant origin sterols naturally found in many foods and added as food additives. Since 1950, PS have attracted considerable attention due to their ability to lower serum cholesterol and inhibit cardiovascular disease (CVD). However, recent studies have found that PS act as endocrine-disrupting chemicals in laboratory animals. Therefore, this study was aimed at finding the mechanism(s) for PS effects on the sexual behaviors and reproductive functions in male Japanese quails (Coturnix coturnix japonica)...
June 16, 2017: Poultry Science
https://www.readbyqxmd.com/read/28635583/cigarette-smoke-is-associated-with-altered-expression-of-antioxidant-enzymes-in-granulosa-cells-from-women-undergoing-in-vitro-fertilization
#8
Maria Cristina Budani, Erminia Carletti, Gian Mario Tiboni
This study was undertaken to evaluate whether cigarette smoke is associated with changes in the expression of antioxidant enzymes in granulosa cells of women undergoing IVF treatments. For this aim, the expression of three antioxidant enzymes (SOD1, SOD2 and catalase) in non-smokers (n = 20) and smokers (n = 20) was analyzed. There was a statistically significant overexpression of SOD2 and catalase mRNA levels in smokers in comparison with non-smokers. Cigarette smoking was associated with a lower fertilization rate, implantation rate and pregnancy rate in comparison with non-smokers...
June 21, 2017: Zygote: the Biology of Gametes and Early Embryos
https://www.readbyqxmd.com/read/28635535/effect-of-the-previous-reproductive-outcomes-in-subfertile-women-after-in-vitro-fertilization-ivf-and-or-intracytoplasmic-sperm-injection-icsi-treatments-on-perinatal-anxious-and-depressive-symptomatology
#9
Francesca Agostini, Fiorella Monti, Marcella Paterlini, Federica Andrei, Stefano Palomba, Giovanni Battista La Sala
INTRODUCTION: The present study aims to investigate the effects of previous reproductive outcomes on the levels of depression, anxiety and perceived social support in subfertile women who conceived after in vitro fertilization (IVF) and intracytoplasmic sperm injection (ICSI) treatment. METHODS: A prospective cohort study was developed. Data were collected on subfertile patients who conceived after IVF/ICSI treatment. All demographic and clinical data were recorded...
February 21, 2017: Journal of Psychosomatic Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28632990/shortening-gametes-co-incubation-time-improves-live-birth-rate-for-couples-with-a-history-of-fragmented-embryos
#10
Anne Le Bras, Laetitia Hesters, Vanessa Gallot, Cathie Tallet, Gerard Tachdjian, Nelly Frydman
Short gamete co-incubation (SGCO) consists in decreasing the duration of contact between oocytes and sperm from the standard overnight insemination (SOI) toward 2 hours. However, the effectiveness of this technique to improve in vitro fertilization and embryo transfer (IVF-ET) outcomes remains controversial. Our study was designed to evaluate the efficiency of SGCO in a poor prognosis population with a history of fragmented embryos defined by the presence of at least 50% of the embryos with more than 25% of cytoplasmic fragments...
June 20, 2017: Systems Biology in Reproductive Medicine
https://www.readbyqxmd.com/read/28632930/long-term-follow-up-of-intra-cytoplasmic-sperm-injection-conceived-offspring-compared-with-in%C3%A2-vitro-fertilization-conceived-offspring-a-systematic-review-of-health-outcomes-beyond-the-neonatal-period
#11
REVIEW
S R Catford, R I McLachlan, M K O'Bryan, J L Halliday
The use of intra-cytoplasmic sperm injection (ICSI) has increased significantly worldwide, often chosen instead of in vitro fertilization (IVF), yet long-term health outcomes are unknown and health differences between ICSI and IVF conceptions have not been comprehensively assessed. A systematic review of health outcomes of ICSI-conceived offspring beyond the neonatal period compared to IVF-conceived offspring was carried out. PubMed, OVID Medline/Embase, Informit, Web of Science and Proquest databases were searched on 9 November 2016 for studies reporting on health outcomes in ICSI-conceived offspring beyond 28 days after birth...
June 20, 2017: Andrology
https://www.readbyqxmd.com/read/28632762/dot1l-inhibitor-improves-early-development-of-porcine-somatic-cell-nuclear-transfer-embryos
#12
Jia Tao, Yu Zhang, Xiaoyuan Zuo, Renyun Hong, Hui Li, Xing Liu, Weiping Huang, Zubing Cao, Yunhai Zhang
Incomplete epigenetic reprogramming of the genome of donor cells causes poor early and full-term developmental efficiency of somatic cell nuclear transfer (SCNT) embryos. Previous research indicate that inhibition of the histone H3 K79 methyltransferase DOT1L, using a selective pharmacological inhibitor EPZ004777 (EPZ), significantly improved reprogramming efficiency during the generation of mouse induced pluripotent stem cells. However, the roles of DOT1L in porcine nuclear transfer-mediated cellular reprogramming are not yet known...
2017: PloS One
https://www.readbyqxmd.com/read/28632452/the-effect-of-g-csf-on-infertile-women-undergoing-ivf-treatment-a-meta-analysis
#13
Jie Li, Sien Mo, Yang Chen
Evidence for the effect of granulocyte colony stimulating factor (G-CSF) on infertile women undergoing in vitro fertilization (IVF) remains inconsistent. This study aimed to evaluate the effectiveness of G-CSF on infertile women undergoing IVF. PubMed and EMBASE databases were searched before August 2016. Comparing the transvaginal perfusion of G-CSF and placebo or no treatment, the available studies were considered. The pooled risk ratio (RR) with 95% confidence intervals (CIs) was used in the analysis and six studies were included...
August 2017: Systems Biology in Reproductive Medicine
https://www.readbyqxmd.com/read/28630383/balb-c-mice-immunity-to-hydatidosis-induced-by-in-vitro-reared-echinococcus-granulosus-adult-worm-antigens
#14
Hamid Reza Rahimi, Tahereh Mohammadzadeh, Seyed Mahmoud Sadjjadi, Bahador Sarkari, Farzaneh Zahabiun
BACKGROUND: Echinococcosis is a zoonotic parasitic disease caused by the larval stage of Echinococcus granulosus. Several native and recombinant antigens, derived from different stages of E. granulosus life cycle, have been used for vaccine trials. In vitro reared adult worms are good candidates for vaccination as they do not produce fertile egg/s and do not have any risk of contamination for researchers. OBJECTIVE: To evaluate different antigens derived from in vitro reared E...
June 2017: Iranian Journal of Immunology: IJI
https://www.readbyqxmd.com/read/28630101/oviduct-extracellular-vesicles-protein-content-and-their-role-during-oviduct-embryo-cross-talk
#15
Carmen Alminana, Emilie Corbin, Guillaume Tsikis, Agostinho S Alcantara-Neto, Valérie Labas, Karine Reynaud, Laurent Galio, Rustem Uzbekov, Anastasiia S Garanina, Xavier Druart, Pascal Mermillod
Successful pregnancy requires an appropriate communication between the mother and the embryo. Recently, exosomes and microvesicles, both membrane-bound extracellular vesicles (EVs) present in the oviduct fluid have been proposed as key modulators of this unique cross-talk. However, little is known about their content and their role during oviduct-embryo dialogue. Given the known differences in secretions by in vivo and in vitro oviduct epithelial cells (OEC), we aimed at deciphering the oviduct EVs protein content from both sources...
June 19, 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/28628221/influence-of-radiofrequency-electromagnetic-waves-from-3rd-generation-cellular-phones-on-fertilization-and-embryo-development-in-mice
#16
Satoshi Suzuki, Miho Okutsu, Ryota Suganuma, Hiromi Komiya, Setsu Nakatani-Enomoto, Shunsuke Kobayashi, Yoshikazu Ugawa, Hiroyuki Tateno, Keiya Fujimori
The purpose of this study was to evaluate the effects of 3rd-generation (3G) cellular phone radiofrequency-electromagnetic wave (RF-EMW) exposure on fertilization and embryogenesis in mice. Oocytes and spermatozoa were exposed to 3G cellular phone RF-EMWs, 1.95 GHz wideband code division multiple access, at a specific absorption rate of 2 mW/g for 60 min, or to sham exposure. After RF-EMW exposure, in vitro fertilization and intracytoplasmic sperm injection were performed. Rates of fertilization, embryogenesis (8-cell embryo, blastocyst), and chromosome aberration were compared between the combined spermatozoa and oocyte groups: both exposed, both non-exposed, one exposed, and the other non-exposed...
June 19, 2017: Bioelectromagnetics
https://www.readbyqxmd.com/read/28627828/the-relationship-between-the-mthfr-c677t-genotypes-to-serum-anti-m%C3%A3-llerian-hormone-concentrations-and-in-vitro-fertilization-intracytoplasmic-sperm-injection-outcome
#17
Seyedeh Z Shahrokhi, Faranak Kazerouni, Firouzeh Ghaffari, Ali Rahimipour, Mir D Omrani, Arezoo Arabipoor, Ramin Lak, Elaheh T Ghane
BACKGROUND: The expression of the 5,10-methylentetrahydrofolate reductase (MTHFR) gene in human oocytes and preimplantation embryos suggests that the MTHFR gene is involved in folliculogenesis and female reproduction. Considering the importance of the MTHFR gene on female reproduction, the aim of this study was to evalu- ate the influence of MTHFR C677T polymorphism on ovarian marker reserve, particularly serum anti-Müllerian hormone (AMH) levels, and ovarian response as well as clinical pregnancy rates after in vitro fertilization (IVF)/ intracytoplasmic sperm injection (ICSI)...
May 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/28627314/thicker-endometrial-linings-are-associated-with-better-ivf-outcomes-a-cohort-of-6331-women
#18
Emily C Holden, Laura E Dodge, Rita Sneeringer, Vasiliki A Moragianni, Alan S Penzias, Michele R Hacker
Our objective was to determine if a correlation exists between endometrial thickness measured on the day of ovulation trigger during an in vitro fertilization (IVF) cycle and pregnancy outcomes among non-cancelled cycles. We performed a retrospective cohort study looking at 6331 women undergoing their first, fresh autologous IVF cycle from 1 May 2004 to 31 December 2012 at Boston IVF (Waltham, MA). Our primary outcome was the risk ratio (RR) of live birth and positive β-hCG. We found that thicker endometrial linings were associated with positive β-hCG and live birth rates...
June 18, 2017: Human Fertility: Journal of the British Fertility Society
https://www.readbyqxmd.com/read/28625022/ethical-moral-and-theological-insights-into-advances-in-male-pediatric-and-adolescent-fertility-preservation
#19
REVIEW
J J Ramstein, J Halpern, A J Gadzinski, R E Brannigan, J F Smith
The successful treatment of boys with cancer has led to increasing attention to preserving their quality of life after completing cancer therapy. One of the top priorities for living a full life is keeping open the opportunity to have children. While sperm banking for males facing sterilizing cancer treatment can be effective, this approach requires subsequent use of reproductive procedures such as in vitro fertilization (IVF) or intrauterine insemination (IUI) to achieve a pregnancy. Advances in fertility preservation techniques may allow pre-pubertal boys to conceive using advanced stem cell technologies and stem cell transplantation in the future...
June 18, 2017: Andrology
https://www.readbyqxmd.com/read/28624860/obesity-results-with-smaller-oocyte-in-in-vitro-fertilization-intracytoplasmic-sperm-injection-cycles-a-prospective-study
#20
Yuval Atzmon, Ester Shoshan-Karchovsky, Medeia Michaeli, Nardin Aslih, Guy Shrem, Adrian Ellenbogen, Einat Shalom-Paz
BACKGROUND: Obesity is associated with several fertility disorders. This prospective cohort study was designed to evaluate the effect of body mass index (BMI) (kg/m(2)) on oocyte diameter and treatment. METHODS: Women undergoing in vitro fertilization (IVF) with intracytoplasmic sperm injection (ICSI) were enrolled in the study. They were divided into two groups according to BMI: obese (BMI > 30) and normal weight (BMI < 25). Mature oocytes were evaluated according to total diameter, zona pellucida, and oolema diameters...
June 17, 2017: Journal of Assisted Reproduction and Genetics
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