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https://www.readbyqxmd.com/read/29346571/natural-course-of-htlv-1-proviral-dna-levels-in-carriers-during-pregnancy
#1
Naoki Fuchi, Kiyonori Miura, Takashi Tsukiyama, Daisuke Sasaki, Kaori Ishihara, Kazuto Tsuruda, Hiroo Hasegawa, Shoko Miura, Katsumi Yanagihara, Hideaki Masuzaki
The measurement of human T-cell leukemia virus type 1 (HTLV-1) proviral DNA levels using polymerase chain reaction has been beneficial for confirming HTLV-1 infection during pregnancy. However, the influence of pregnancy on HTLV-1 infection and proviral DNA levels among pregnant women with HTLV-1 has not been clarified. We prospectively gathered blood samples from 36 pregnant women who were previously diagnosed as HTLV-1 carriers and sequentially measured their proviral DNA levels. The HTLV-1 proviral DNA levels remained in a plateau during pregnancy but were elevated after delivery...
January 16, 2018: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29343824/human-papillomavirus-prophylactic-vaccination-improves-reproductive-outcome-in-infertile-patients-with-hpv-semen-infection-a-retrospective-study
#2
Andrea Garolla, Luca De Toni, Alberto Bottacin, Umberto Valente, Maurizio De Rocco Ponce, Andrea Di Nisio, Carlo Foresta
In this study we aimed to evaluate the effect on reproductive outcome of HPV vaccination in male subjects of infertile couples with HPV semen infection. In this single-center study, we retrospectively enrolled 151 infertile couples with detection of HPV in semen, attending our Hospital Unit of Andrology between January 2013 and June 2015, counseled to receive adjuvant HPV vaccination. Seventy-nine accepted vaccination (vaccine group) whilst 72 did not (control group). Our protocol of follow-up, aimed to evaluate HPV viral clearance, consisted in semen analysis, INNO-LiPA and FISH for HPV in semen cells after 6 and 12 months from basal evaluation...
January 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29340252/positive-selection-on-human-gamete-recognition-genes
#3
Michael W Hart, Daryn A Stover, Vanessa Guerra, Sahar V Mozaffari, Carole Ober, Carina F Mugal, Ingemar Kaj
Coevolution of genes that encode interacting proteins expressed on the surfaces of sperm and eggs can lead to variation in reproductive compatibility between mates and reproductive isolation between members of different species. Previous studies in mice and other mammals have focused in particular on evidence for positive or diversifying selection that shapes the evolution of genes that encode sperm-binding proteins expressed in the egg coat or zona pellucida (ZP). By fitting phylogenetic models of codon evolution to data from the 1000 Genomes Project, we identified candidate sites evolving under diversifying selection in the human genes ZP3 and ZP2...
2018: PeerJ
https://www.readbyqxmd.com/read/29339415/genome-wide-identification-by-transposon-insertion-sequencing-of-escherichia-coli-k1-genes-essential-for-in-vitro-growth-gastrointestinal-colonizing-capacity-and-survival-in-serum
#4
Alex J McCarthy, Richard A Stabler, Peter W Taylor
Escherichia coli K1 strains are major causative agents of invasive disease of the new born. The age dependency of infection can be reproduced in the neonatal rat. Colonization of the small intestine following oral administration of K1 bacteria leads rapidly to invasion of the blood circulation; bacteria that avoid capture by the mesenteric lymphatic system and evade antibacterial mechanisms in the blood may disseminate to cause organ-specific infections such as meningitis. Some E. coli K1 surface constituents, in particular the polysialic acid capsule, are known to contribute to invasive potential but a comprehensive picture of the factors that determine the fully virulent phenotype has not so far emerged...
January 16, 2018: Journal of Bacteriology
https://www.readbyqxmd.com/read/29338000/progression-of-the-first-stage-of-spontaneous-labour-a-prospective-cohort-study-in-two-sub-saharan-african-countries
#5
Olufemi T Oladapo, Joao Paulo Souza, Bukola Fawole, Kidza Mugerwa, Gleici Perdoná, Domingos Alves, Hayala Souza, Rodrigo Reis, Livia Oliveira-Ciabati, Alexandre Maiorano, Adesina Akintan, Francis E Alu, Lawal Oyeneyin, Amos Adebayo, Josaphat Byamugisha, Miriam Nakalembe, Hadiza A Idris, Ola Okike, Fernando Althabe, Vanora Hundley, France Donnay, Robert Pattinson, Harshadkumar C Sanghvi, Jen E Jardine, Özge Tunçalp, Joshua P Vogel, Mary Ellen Stanton, Meghan Bohren, Jun Zhang, Tina Lavender, Jerker Liljestrand, Petra Ten Hoope-Bender, Matthews Mathai, Rajiv Bahl, A Metin Gülmezoglu
BACKGROUND: Escalation in the global rates of labour interventions, particularly cesarean section and oxytocin augmentation, has renewed interest in a better understanding of natural labour progression. Methodological advancements in statistical and computational techniques addressing the limitations of pioneer studies have led to novel findings and triggered a re-evaluation of current labour practices. As part of the World Health Organization's Better Outcomes in Labour Difficulty (BOLD) project, which aimed to develop a new labour monitoring-to-action tool, we examined the patterns of labour progression as depicted by cervical dilatation over time in a cohort of women in Nigeria and Uganda who gave birth vaginally following a spontaneous labour onset...
January 2018: PLoS Medicine
https://www.readbyqxmd.com/read/29331533/a-woman-s-hand-and-a-lion-s-heart-skills-and-attributes-for-rural-midwifery-practice-in-new-zealand-and-scotland
#6
Andrea Gilkison, Jean Rankin, Mary Kensington, Rea Daellenbach, Lorna Davies, Ruth Deery, Susan Crowther
OBJECTIVE: the complex and challenging nature of rural midwifery is a global issue. New Zealand and Scotland both face similar ongoing challenges in sustaining a rural midwifery workforce, and understanding the best preparation for rural midwifery practice. This study aimed to explore the range of skills, qualities and professional expertise needed for remote and rural midwifery practice. DESIGN: online mixed methods: An initial questionnaire via a confidential SurveyMonkey® was circulated to all midwives working with rural women and families in New Zealand and Scotland...
December 19, 2017: Midwifery
https://www.readbyqxmd.com/read/29329080/intrauterine-inflammatory-activation-functional-progesterone-withdrawal-and-the-timing-of-term-and-preterm-birth
#7
REVIEW
Jeffrey A Keelan
The central role of inflammatory processes in labour and delivery is now well-recognised. However, the biomolecular, immunological and endocrine mechanisms involved in the labour process, and the clinical manifestations of inflammation in pregnancy, are complex, variable and modulated by factors such as aetiology, ethnicity and gestational age. In this review, evidence is presented of the pivotal relationship between progesterone and inflammation in pregnancy in terms of determining the timing of labour and delivery...
December 22, 2017: Journal of Reproductive Immunology
https://www.readbyqxmd.com/read/29326877/natural-history-of-morquio-a-patient-with-tracheal-obstruction-from-birth-to-death
#8
Caitlin Doherty, Lauren W Averill, Mary Theroux, William G Mackenzie, Christian Pizarro, Robert W Mason, Shunji Tomatsu
Morquio A syndrome (mucopolysaccharidosis IVA, MPS IVA) is a lysosomal storage disease caused by a deficiency of N-acetylgalactosamine-6-sulfate sulfatase, resulting in systemic accumulation of the partially degraded glycosaminoglycans (GAGs), keratan sulfate and chondroitin-6-sulfate. The accumulation of these GAGs leads to distinguishing features as skeletal dysplasia with disproportionate dwarfism, short neck, kyphoscoliosis, pectus carinatum, tracheal obstruction, coxa valga, genu valgum, and joint laxity...
March 2018: Molecular Genetics and Metabolism Reports
https://www.readbyqxmd.com/read/29322489/measurement-in-pediatric-epilepsy-self-management-a-critical-review
#9
REVIEW
Gigi Smith, Avani C Modi, Erica K Johnson, Ross Shegog, Joan K Austin, Janelle L Wagner
Given the paucity of information available regarding self-management, the aims of this paper are to synthesize the literature on factors associated with and measures to assess self-management in pediatric epilepsy. INCLUSION CRITERIA: youth birth to 18 years with a seizure disorder or an epilepsy diagnosis and/or their caregivers, published 1985-2014 in English, and conducted in countries with a very high human development index. The review was conducted in 6 phases: (1) identification of bibliographical search criteria and databases; (2) abstract assessment; (3) full article review; (4) organization of final citations into categories; (5) identification of predictors, potential mediators/moderators, and outcomes associated with self-management factors and categorization of factors as influences, processes, or behaviors across individual, family, community, and health care domains; and (6) critique of self-management instrument studies...
January 11, 2018: Epilepsia
https://www.readbyqxmd.com/read/29320998/the-perceptions-and-experiences-of-women-who-achieved-and-did-not-achieve-a-waterbirth
#10
Lucy Lewis, Yvonne L Hauck, Caroline Crichton, Courtney Barnes, Corrinne Poletti, Helen Overing, Louise Keyes, Brooke Thomson
BACKGROUND: There is a gap in knowledge and understanding relating to the experiences of women exposed to the opportunity of waterbirth. Our aim was to explore the perceptions and experiences of women who achieved or did not achieve their planned waterbirth. METHODS: An exploratory design using critical incident techniques was conducted between December 2015 and July 2016, in the birth centre of the tertiary public maternity hospital in Western Australia. Women were telephoned 6 weeks post birth...
January 10, 2018: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/29320646/transfer-of-fresh-versus-frozen-embryos-in-ovulatory-women
#11
Yuhua Shi, Yun Sun, Cuifang Hao, Heping Zhang, Daimin Wei, Yunshan Zhang, Yimin Zhu, Xiaohui Deng, Xiujuan Qi, Hong Li, Xiang Ma, Haiqin Ren, Yaqin Wang, Dan Zhang, Bo Wang, Fenghua Liu, Qiongfang Wu, Ze Wang, Haiyan Bai, Yuan Li, Yi Zhou, Mei Sun, Hong Liu, Jing Li, Lin Zhang, Xiaoli Chen, Songying Zhang, Xiaoxi Sun, Richard S Legro, Zi-Jiang Chen
BACKGROUND: Elective frozen-embryo transfer has been shown to result in a higher live-birth rate than fresh-embryo transfer among anovulatory women with the polycystic ovary syndrome. It is uncertain whether frozen-embryo transfer increases live-birth rates among ovulatory women with infertility. METHODS: In this multicenter, randomized trial, we randomly assigned 2157 women who were undergoing their first in vitro fertilization cycle to undergo either fresh-embryo transfer or embryo cryopreservation followed by frozen-embryo transfer...
January 11, 2018: New England Journal of Medicine
https://www.readbyqxmd.com/read/29315321/inner-cell-mass-incarceration-in-8-shaped-blastocysts-does-not-increase-monozygotic-twinning-in-preimplantation-genetic-diagnosis-and-screening-patients
#12
Yi-Fan Gu, Qin-Wei Zhou, Shuo-Ping Zhang, Chang-Fu Lu, Fei Gong, Yue-Qiu Tan, Guang-Xiu Lu, Ge Lin
BACKGROUND: The use of assisted reproductive technology (ART) has been reported to increase the incidence of monozygotic twinning (MZT) compared with the incidence following natural conception. It has been hypothesized that splitting of the inner cell mass (ICM) through a small zona hole may result in MZT. In this study, using a cohort of patients undergoing preimplantation genetic diagnosis/screening (PGD/PGS), we compared the clinical and neonatal outcomes of human 8-shaped blastocysts hatching with ICM incarceration with partially or fully hatched blastocysts, and attempted to verify whether this phenomenon increases the incidence of MZT pregnancy or negatively impact newborns...
2018: PloS One
https://www.readbyqxmd.com/read/29309577/epidemiology-of-sapovirus-infections-in-a-birth-cohort-in-peru
#13
Gerardo J Sánchez, Holger Mayta, Monica J Pajuelo, Karen Neira, Liu Xiaofang, Lilia Cabrera, Sarah Blythe Ballard, Jean E Crabtree, Dermot Kelleher, Vitaliano Cama, Caryn Bern, Hitoshi Oshitani, Robert H Gilman, Mayuko Saito
Background: Sapovirus is one of the primary viral causes of acute gastroenteritis, especially in settings where rotavirus vaccination has been implemented. The characteristics and impact of natural infection at the community level, however, have not been well documented. Methods: Stool samples were analyzed from 100 children randomly selected from a community-based birth cohort study in Peru. All diarrheal and one non-diarrheal stools collected trimonthly from children up to two years of age (n=1669) were tested for sapovirus detection...
December 22, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29307249/twins-and-neurodevelopmental-outcomes-the-effect-of-ivf-fetal-growth-restriction-and-preterm-birth
#14
Despina D Briana, Ariadne Malamitsi-Puchner
This invited review aimed at presenting the evidence concerning neurodevelopmental outcomes, particularly cerebral palsy (CP), motor disability, cognitive impairment, mental retardation, any major disability, blindness and deafness in cases of twins, conceived after in vitro fertilization, presenting fetal/ intrauterine growth restriction (FGR/IUGR) or being prematurely born. FGR/IUGR, prematurity and zygosity affect neurodevelopmental outcome; CP is higher in term infants, those presenting with FGR/IUGR, as well as in survivors of intrauterine co-twin death; cognitive ability of twins versus singletons mainly relates to confounding factors, as FGR/IUGR and prematurity, while evidence for differences in behavioral and psychiatric disorders between twins and singletons is limited...
January 7, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29306403/serum-titers-of-autoantibodies-against-%C3%AE-synuclein-and-tau-in-child-and-adulthood
#15
Isabell Kuhn, Tobias Rogosch, Theresa I Schindler, Björn Tackenberg, Michael Zemlin, Rolf F Maier, Richard Dodel, Yannick Kronimus
Autoreactive antibodies against the proteins alpha-synuclein (α-syn) and tau are detectable in body fluids of both healthy and diseased elderly people. However, nothing is known about their presence or titers in children. To close this gap and to characterize their temporary expression levels, we used ELISA techniques to investigate the serum titers of α-syn and tau reactive autoantibodies in 37 and 32 adults and 37 and 31 children, respectively. Most serum samples from the children exhibited both antibody types and interestingly, the levels were similar to those observed in the adult serum samples...
February 15, 2018: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/29306159/is-the-association-between-pet-ownership-and-indoor-endotoxin-levels-confounded-or-modified-by-outdoor-residential-greenspace
#16
Elaine Fuertes, Marie Standl, Iana Markevych, Wolfgang Bischof, Joachim Heinrich
BACKGROUND: Pet ownership is consistently associated with higher indoor endotoxin concentrations, but may also be related to the amount of greenspace around the home. This study examined whether the association between pet ownership and higher indoor endotoxin concentrations is confounded or modified by residential greenspace. METHODS: Information on pet ownership was collected at the time of recruitment of the German LISA birth cohort. Endotoxin levels were measured in settled house dust sampled from mothers' mattresses (N=1197) and living room floors (N=390)...
January 3, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29305910/the-development-of-brain-white-matter-microstructure
#17
Catherine Lebel, Sean Deoni
Throughout infancy, childhood, and adolescence, our brains undergo remarkable changes. Processes including myelination and synaptogenesis occur rapidly across the first 2-3 years of life, and ongoing brain remodeling continues into young adulthood. Studies have sought to characterize the patterns of structural brain development, and early studies predominately relied upon gross anatomical measures of brain structure, morphology, and organization. MRI offers the ability to characterize and quantify a range of microstructural aspects of brain tissue that may be more closely related to fundamental neurodevelopmental processes...
January 3, 2018: NeuroImage
https://www.readbyqxmd.com/read/29305234/reproductive-outcomes-after-fertility-sparing-surgery-for-focal-and-diffuse-adenomyosis-a-systematic-review
#18
REVIEW
Justin Tan, Sophie Moriarty, Omur Taskin, Catherine Allaire, Christina Williams, Paul Yong, Mohamed A Bedaiwy
Among the variety of treatment options to improve reproductive outcomes for infertile women with adenomyosis (AD), uterine conserving surgery has demonstrated varying success. Hence, we conducted a systematic review around the topic of fertility-sparing surgery across 18 studies and 1396 infertile women with focal and diffuse AD. Patients with focal AD demonstrated mean pregnancy and miscarriage rates of 52.7% (range:14.3-77.5%) and 21.1% (range:0-44.4%), respectively, while patients with diffuse AD had a mean pregnancy and miscarriage rate of 34...
January 2, 2018: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/29303234/platelet-rich-plasma-as-an-adjuvant-in-the-endometrial-preparation-of-patients-with-refractory-endometrium
#19
Aixa Molina, Jose Sánchez, William Sánchez, Vanessa Vielma
OBJECTIVE: To improve endometrial quality and implantation rates after the administration of platelet-rich plasma in patients with refractory endometrium. METHODS: 19 patients undergoing in vitro fertilization, aged between 33 and 45 years with a history of refractory endometrium, to whom platelet rich plasma was given by infusion with a catheter into the uterine cavity on the tenth day of the hormone replacement therapy, and then 72 hours after the first administration...
January 5, 2018: JBRA Assisted Reproduction
https://www.readbyqxmd.com/read/29300975/new-application-of-dydrogesterone-as-a-part-of-a-progestin-primed-ovarian-stimulation-protocol-for-ivf-a-randomized-controlled-trial-including-516-first-ivf-icsi-cycles
#20
Sha Yu, Hui Long, Hannah Ya-Ning Chang, Yali Liu, Hongyuan Gao, Jing Zhu, Xinxin Quan, Qifeng Lyu, Yanping Kuang, Ai Ai
STUDY QUESTION: Can dydrogesterone (DYG) be used as an alternative progestin in a progesterone primed ovarian stimulation (PPOS) protocol? SUMMARY ANSWER: DYG can be used as an appropriate alternative progestin in a PPOS protocol. WHAT IS KNOWN ALREADY: PPOS is a new ovarian stimulation regimen based on a freeze-all strategy that uses progestin as an alternative to a GnRH analog for suppressing a premature LH surge during the follicular phase...
December 29, 2017: Human Reproduction
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