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Preimplantation

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https://www.readbyqxmd.com/read/28231693/native-plants-p-amurense-and-h-japonicus-extracts-act-as-antioxidants-to-support-developmental-competence-of-bovine-blastocysts
#1
Geon-Yeop Do, Jin-Woo Kim, Hyo-Jin Park, Seung-Bin Yoon, Jae-Young Park, Seul-Gi Yang, Bae Dong Jung, Yong-Soo Kwon, Man-Jong Kang, Bong-Seok Song, Sun-Uk Kim, Kyu-Tae Chang, Deog-Bon Koo
Objective: Phellodendron amurense (P. amurense) and Humulus japonicus (H. japonicus) are closely involved in anti-oxidative response and increasing antioxidant enzymes activities. However, the effects of their extracts on development of preimplantation bovine embryos have not yet been investigated. Therefore, we investigated the effects of P. amurense and H. japonicus extract on developmental competence and quality of preimplantation bovine embryos. Methods: After in vitro fertilization, bovine embryos were cultured for 7 days in CR1aa medium supplemented with P...
February 23, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28226403/the-effect-of-peripheral-neuromodulation-on-pain-from-the-sacroiliac-joint-a-retrospective-cohort-study
#2
Teodor Goroszeniuk, Ashish Shetty, Rajesh Munglani, Dominic Hegarty, Arun Bhaskar
We report here a retrospective review of the longer-term results of peripheral neuromodulation in 12 patients with significant chronic sacroiliac joint pain who had previously failed multiple conservative and interventional pain therapies. To allow for the assessment of meaningful longer-term outcome, implants for all 12 patients had been in place for a minimum of 18 months to a maximum of 36 months prior to the formal review. Compared to the preimplantation baseline, the longer-term follow-up revealed a significant and sustained reduction in visual analog scale pain scores from 8...
February 22, 2017: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/28216909/aneuploidy-screening-by-array-comparative-genomic-hybridization-improves-success-rates-of-in-vitro-fertilization-a-multicenter-indian-study
#3
Aditi Kotdawala, Deven Patel, Javier Herrero, Rajni Khajuria, Nalini Mahajan, Manish Banker
OBJECTIVE: To evaluate the usefulness of preimplantation genetic screening (PGS) using array comparative genomic hybridization (aCGH) in the Indian population. MATERIALS AND METHODS: This is a retrospective, multicenter study including 235 PGS cycles following intracytoplasmic sperm injection performed at six different infertility centers from September 2013 to June 2015. Patients were divided as per maternal age in several groups (<35, 35-36, 37-38, 39-40, and >40 years) and as per indication for undergoing PGS...
October 2016: Journal of Human Reproductive Sciences
https://www.readbyqxmd.com/read/28215677/pyridoxine-supplementation-during-oocyte-maturation-improves-the-development-and-quality-of-bovine-preimplantation-embryos
#4
Mansour Aboelenain, Ahmed Zaky Balboula, Manabu Kawahara, Abd El-Monem Montaser, Samy Moawad Zaabel, Sung-Woo Kim, Masashi Nagano, Masashi Takahashi
Recently, inhibition of cathepsin B (CTSB) activity during in vitro maturation (IVM) and culture (IVC) improved the developmental competence and quality of bovine oocytes and embryos. E-64 is a widely used inhibitor to inhibit CTSB activity, however, E-64 inhibits not only CTSB activity but also the activities of other proteases including cathepsin L (CTSL), papain, calpain, and trypsin. Pyridoxine, the catalytically active form of vitamin B6, plays a crucial role in several cellular processes and has the ability to inhibit CTSB activity...
March 15, 2017: Theriogenology
https://www.readbyqxmd.com/read/28215431/global-decrease-in-the-expression-of-signalling-pathways-genes-in-murine-uterus-during-preimplantation-pregnancy
#5
Katarzyna Buska, Anna Ewa Kedzierska, Anna Slawek, Anna Chelmonska-Soyta
Early preimplantation embryo-maternal communication is crucial for the establishment and development of pregnancy. Though the involvement of several candidate genes and proteins in this complex event has been described, the hierarchy of molecular networks governing this communication remains unknown. The primary objective of this study was to determine whether the presence of embryos in the uterine lumen stimulated or inhibited gene expression in the uterine tissue on day 3.5 post coitum. To answer this question, we investigated the gene expression of dedicated signal transduction pathways in the uterus of CD-1 mice during the preimplantation stage of pregnancy and compared this expression to mice with induced pseudopregnancy...
February 15, 2017: Reproductive Biology
https://www.readbyqxmd.com/read/28211357/preimplantation-genetic-diagnosis-and-screening-by-array-comparative-genomic-hybridisation-experience-of-more-than-100-cases-in-a-single-centre
#6
J Fc Chow, W Sb Yeung, V Cy Lee, E Yl Lau, P C Ho, E Hy Ng
INTRODUCTION: Preimplantation genetic screening has been proposed to improve the in-vitro fertilisation outcome by screening for aneuploid embryos or blastocysts. This study aimed to report the outcome of 133 cycles of preimplantation genetic diagnosis and screening by array comparative genomic hybridisation. METHODS: This study of case series was conducted in a tertiary assisted reproductive centre in Hong Kong. Patients who underwent preimplantation genetic diagnosis for chromosomal abnormalities or preimplantation genetic screening between 1 April 2012 and 30 June 2015 were included...
February 17, 2017: Hong Kong Medical Journal, Xianggang Yi Xue za Zhi
https://www.readbyqxmd.com/read/28204904/high-risk-individuals-perceptions-of-reproductive-genetic-testing-for-cdh1-mutations
#7
Nina Hallowell, Shirlene Badger, Sue Richardson, Carlos Caldas, Richard H Hardwick, Rebecca C Fitzgerald, Julia Lawton
Reproductive genetic testing- PreNatal Diagnosis (PND) and Preimplantation Genetic Diagnosis (PGD)-for CDH1 mutations associated with Hereditary Diffuse Gastric Cancer (HDGC)is available in the UK. This qualitative interview study examined high-risk individuals' (n = 35) views of CDH1 reproductive genetic testing. Interviewees generally regarded reproductive genetic testing as an acceptable form of HDGC risk management. However, some were concerned that their genetic risks required them to plan reproduction and anticipated difficulties communicating this to reproductive partners...
February 15, 2017: Familial Cancer
https://www.readbyqxmd.com/read/28202179/effects-of-melatonin-in-rats-in-the-initial-third-stage-of-pregnancy-exposed-to-sub-lethal-doses-of-herbicides
#8
Lécio Leone de Almeida, Álvaro Aguiar Coelho Teixeira, Anísio Francisco Soares, Franklin Magliano da Cunha, Valdemiro Amaro da Silva, Leucio Duarte Vieira Filho, Valéria Wanderley-Teixeira
: Exposure to the herbicides Paraquat (PQ) and Roundup(®) may cause cell lesions due to an increase in oxidative stress levels in different biological systems, even in the reproductive system. OBJECTIVE: Evaluate the possible changes in reproductive parameters and hepatic, as well as its prevention by simultaneous application of melatonin. METHODS: Thirty-five female rats at the age of 3 months were divided into seven groups: three groups exposed to sub-lethal doses of the herbicides PQ (50mg/kg) and Roundup(®) (500mg/kg) (n=5, G2, G3 and G4); three groups exposed to herbicides and simultaneous treatment with 10mg/kg of Melatonin (n=5, G5, G6 and G7) and control group (n=5, G1) from the first to the seventh day of pregnancy...
February 12, 2017: Acta Histochemica
https://www.readbyqxmd.com/read/28194999/upper-airway-stimulation-for-obstructive-sleep-apnea
#9
M Boyd Gillespie, Ryan J Soose, B Tucker Woodson, Kingman P Strohl, Joachim T Maurer, Nico de Vries, David L Steward, Jonathan Z Baskin, M Safwan Badr, Ho-Sheng Lin, Tapan A Padhya, Sam Mickelson, W McDowell Anderson, Olivier M Vanderveken, Patrick J Strollo
Objective To assess patient-based outcomes of participants in a large cohort study-the STAR trial (Stimulation Therapy for Apnea Reduction)-48 months after implantation with an upper airway stimulation system for moderate to severe obstructive sleep apnea. Study Design A multicenter prospective cohort study. Setting Industry-supported multicenter academic and clinical setting. Subjects Participants (n = 91) at 48 months from a cohort of 126 implanted participants. Methods A total of 126 participants received an implanted upper airway stimulation system in a prospective phase III trial...
February 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28194822/autophagy-regulation-of-physiological-and-pathological-processes-in-the-female-reproductive-tract
#10
Bin Cao, Alison J Camden, Lindsay A Parnell, Indira U Mysorekar
Autophagy is a ubiquitous cell recycling pathway that delivers cytoplasmic constituents to the lysosome and is essential for normal cellular function. Autophagic activity is up-regulated under physiological conditions as well as stressful conditions such as nutrient deprivation, oxidative stress, hypoxia, inflammation, and infection. Thus, it is essential to regard the functional importance of the pathway and its components in a given tissue context. Here we review what is known about the involvement of autophagy process during physiological processes in the female reproductive tract and in pregnancy from preimplantation to oocyte function to placental development, parturition, and postpartum remodeling of the uterus; as well as in pathological and adverse events during these processes...
February 13, 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/28192253/hematopoietic-stem-cell-transplantation-using-preimplantation-genetic-diagnosis-and-hla-typing-for-hla-matched-sibling-donor-a-turkish-multicenter-study
#11
Emin Kurekci, Alphan Küpesiz, Sema Anak, Gülyüz Öztürk, Orhan Gürsel, Serap Aksoylar, Talia Ileri, Barış Kuşkonmaz, Ibrahim Eker, Mualla Cetin, Gülsün Tezcan Karasu, Zühre Kaya, Tunç Fışgın, Mehmet Ertem, Savaş Kansoy, Mehmet Akif Yeşilipek
Preimplantation genetic diagnosis involves the diagnosis of a genetic disorder in embryos obtained through in vitro fertilization, selection of healthy embryos, and transferring them to the mother's uterus. Preimplantation genetic diagnosis has been used not only to avoid the risk of having an affected child, but also by using HLA matching together, it offers preselection of potential HLA-genoidentical healthy donor progeny for an affected sibling, who requires bone marrow transplantation. Here, we share the hematopoietic stem cell transplantation results of 52 patients with different benign and malign hematological or metabolic diseases or immunodeficiencies, whose donors were their siblings borned with this technique in Turkey since 2008...
February 10, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28192130/ielvis-an-open-source-matlab-toolbox-for-localizing-and-visualizing-human-intracranial-electrode-data
#12
David M Groppe, Stephan Bickel, Andrew R Dykstra, Xiuyuan Wang, Pierre Mégevand, Manuel R Mercier, Fred A Lado, Ashesh D Mehta, Christopher J Honey
BACKGROUND: Intracranial electrical recordings (iEEG) and brain stimulation (iEBS) are invaluable human neuroscience methodologies. However, the value of such data is often unrealized as many laboratories lack tools for localizing electrodes relative to anatomy. To remedy this, we have developed a MATLAB toolbox for intracranial electrode localization and visualization, iELVis. NEW METHOD: iELVis uses existing tools (BioImage Suite, FSL, and FreeSurfer) for preimplant magnetic resonance imaging (MRI) segmentation, neuroimaging coregistration, and manual identification of electrodes in postimplant neuroimaging...
February 9, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28188593/re-analysis-of-aneuploidy-blastocysts-with-an-inner-cell-mass-and-different-regional-trophectoderm-cells
#13
Jin Huang, Liying Yan, Sijia Lu, Nan Zhao, Jie Qiao
PURPOSE: The purpose of this study is to explore which part of the trophectoderm best represents the inner cell mass after aCGH analysis. METHODS: Fifty-one preimplantation genetic diagnosis/preimplantation genetic screening of abnormal blastocysts diagnosed by array comparative genomic hybridization were included in this study. Blastocysts were thawed, incubated for 3 to 4 h, and then biopsied. Four regions were biopsied per blastocyst, including the inner cell mass (ICM), trophectoderm (TE) cells opposite the ICM, TE cells at the upper right of the ICM, and TE cells at the lower right of the ICM...
February 10, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28185762/biochemical-control-and-toxicity-for-favorable-and-intermediate-risk-patients-using-real-time-intraoperative-inverse-optimization-prostate-seed-implant-less-is-more
#14
G Shukla, A Sarkar, A Hanlon, E Crockett, H C Chen, J Martelli-Raben, A Glick, B Benge, M Lobis, S Terranova, T Desperito, D Cozzolino, E Kemmerer, F Mourtada, A Raben
PURPOSE: To report the biochemical control rate and clinical outcomes with real-time inverse planning (inverse optimization prostate seed implant [IO-PSI]) for favorable-risk (FR) and intermediate-risk (IR) prostate adenocarcinoma in a community practice setting. This analysis is an extended followup of our initial report, with favorable early biochemical control rate (biochemical nonevidence of disease) of 97% at 4 years. METHODS AND MATERIALS: Three hundred fifty-seven evaluable patients with FR and IR prostate cancer underwent real-time IO-PSI (iodine-125/145 Gy or palladium-103/120 Gy) between 2001 and 2013...
February 6, 2017: Brachytherapy
https://www.readbyqxmd.com/read/28185397/the-clinical-effectiveness-of-alveolar-ridge-preservation-in-the-maxillary-anterior-esthetic-zone-a-retrospective-study
#15
Albert Ming Hsien Lee, Choy Yoke Poon
PURPOSE: The primary aim was to investigate whether ridge preservation done at extraction will preserve at least 6 mm of alveolar ridge width in the anterior maxillary zone and obviate the need for secondary bone augmentation during implant insertion. METHODS: Sixty patients with single implants placed in the anterior maxillary zone were classified in two groups. In the test group, 40 patients underwent ridge preservation at the time of tooth extraction, while the remaining 20 patients in the control group did not...
February 10, 2017: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/28184250/meiotic-outcome-in-two-carriers-of-y-autosome-reciprocal-translocations-selective-elimination-of-certain-segregants
#16
Harita Ghevaria, Roy Naja, Sioban SenGupta, Paul Serhal, Joy Delhanty
BACKGROUND: Reciprocal Y autosome translocations are rare but frequently associated with male infertility. We report on the meiotic outcome in embryos fathered by two males with the karyotypes 46,X,t(Y;4)(q12;p15.32) and 46,X,t(Y;16)(q12;q13). The two couples underwent preimplantation genetic diagnosis (PGD) enabling determination of the segregation types that were compatible with fertilization and preimplantation embryo development. Both PGD and follow up analysis were carried out via fluorescence in situ hybridization (FISH) or array comparative genomic hybridization (aCGH) allowing the meiotic segregation types to be determined in a total of 27 embryos...
2017: Molecular Cytogenetics
https://www.readbyqxmd.com/read/28180264/preimplantation-and-prenatal-diagnosis-wrongful-birth-and-wrongful-life-a-global-view-of-bioethical-and-legal-controversies
#17
Paola Frati, Vittorio Fineschi, Mariantonia Di Sanzo, Raffaele La Russa, Matteo Scopetti, Filiberto M Severi, Emanuela Turillazzi
No abstract text is available yet for this article.
February 9, 2017: Human Reproduction Update
https://www.readbyqxmd.com/read/28166984/corrigendum-to-susceptibility-of-porcine-preimplantation-embryos-to-viruses-associated-with-reproductive-failure-theriogenology-86-7-2016-1631-1636
#18
Haijing Zhao, Guangyuan Zhao, Wenjun Wang
No abstract text is available yet for this article.
March 1, 2017: Theriogenology
https://www.readbyqxmd.com/read/28166979/peroxisome-proliferator-activated-receptor-%C3%AE-improves-porcine-blastocyst-hatching-via-the-regulation-of-fatty-acid-oxidation
#19
Jing Guo, Wen-Fa Lu, Shuang Liang, Jeong-Woo Choi, Nam-Hyung Kim, Xiang-Shun Cui
Peroxisome proliferator-activated receptor δ (Pparδ) is a nuclear receptor that plays critical roles in lipid metabolism, glucose metabolism, and cell growth and differentiation. Several recent studies have shown that Pparδ promotes blastocyst hatching in vitro. However, the mechanism by which it promotes preimplantation embryonic development in vitro remains unclear. In this study, oocytes and parthenotes were treated with a specific agonist of PPARδ, GW501516. The activation of PPARδ had no effect on oocyte maturation for 1 μM and 10 μM GW501516 compared with the control group...
March 1, 2017: Theriogenology
https://www.readbyqxmd.com/read/28166976/biopsy-of-bovine-embryos-produced-in%C3%A2-vivo-and-in%C3%A2-vitro-does-not-affect-pregnancy-rates
#20
Regivaldo Vieira de Sousa, Célia Regina da Silva Cardoso, Guilberth Butzke, Margot Alves Nunes Dode, Rodolfo Rumpf, Maurício Machaim Franco
Assisted reproductive techniques have significantly contributed to animal breeding programs. Similarly, genomics has provided important information and tools to improve the accuracy of selection. However, the greatest benefits of those tools can only be expected when they are combined, allowing animals to be selected accurately early in life. Therefore, obtaining DNA samples from embryos without compromising their viability is essential for the consolidation of preimplantation genomic selection. We aimed to evaluate the effect on the gestation rate of conducting a biopsy of in vivo (VV) and in vitro-produced (IVP) bovine embryos...
March 1, 2017: Theriogenology
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