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https://www.readbyqxmd.com/read/29352147/pre-conception-maternal-erythrocyte-saturated-to-unsaturated-fatty-acid-ratio-predicts-pregnancy-after-natural-cycle-frozen-embryo-transfer
#1
Christopher C Onyiaodike, Heather M Murray, Ruiqi Zhang, Barbara J Meyer, Fiona Jordan, E Ann Brown, Robert J B Nibbs, Helen Lyall, Naveed Sattar, Scott M Nelson, Dilys J Freeman
The environment for embryo implantation and fetal growth and development is affected by maternal nutritional, metabolic and health status. The aim of this prospective, cohort study was to test whether plasma metabolic and inflammatory biomarkers can predict pregnancy resulting from in vitro fertilisation (IVF). Women with a natural menstrual cycle undergoing frozen embryo transfer (FET) were recruited and fasting baseline blood samples were collected a mean of 3.4 days prior to the luteinising hormone (LH) surge and a non-fasting blood sample was taken on the day of FET...
January 19, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29351483/prenatal-exposure-to-diesel-exhaust-pm2-5-causes-offspring-%C3%AE-cell-dysfunction-in-adulthood
#2
Minjie Chen, Shuai Liang, Xiaobo Qin, Li Zhang, Lianglin Qiu, Sufang Chen, Ziying Hu, Yanyi Xu, Wanjun Wang, Yuhao Zhang, Qi Cao, Zhekang Ying
BACKGROUND: Environmental stressors that encounter in early-life and cause abnormal fetal and/or neonatal development may increase susceptibility to non-communicable diseases such as diabetes. Maternal exposure to ambient fine particulate matter (PM2.5) is associated with various fetal abnormalities, suggesting that it may program offspring's susceptibility to diabetes. In the present study, we therefore examined whether maternal exposure to diesel exhaust PM2.5 (DEP), one of the major sources of ambient PM2...
December 26, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29350746/positive-view-and-increased-likely-uptake-of-follow-up-testing-with-analysis-of-cell-free-fetal-dna-as-alternative-to-invasive-testing-among-danish-pregnant-women
#3
Caroline Borregaard Miltoft, Line Rode, Ann Tabor
INTRODUCTION: To investigate the attitude (view, likely uptake and preferred strategy) towards cell-free fetal DNA (cfDNA) testing among pregnant women before a first trimester risk assessment for trisomy 21 (unselected women) and after obtaining a high risk. MATERIAL AND METHODS: Unselected and high-risk women attending first trimester screening (Rigshospitalet, Copenhagen University Hospital) were invited to fill out the questionnaire "Antenatal testing for Down's syndrome" as an online survey...
January 19, 2018: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/29349772/does-the-use-of-diagnostic-technology-reduce-fetal-mortality
#4
Jostein Grytten, Irene Skau, Rune Sørensen, Anne Eskild
OBJECTIVE: To examine the effect that the introduction of new diagnostic technology in obstetric care has had on fetal death. DATA SOURCE: The Medical Birth Registry of Norway provided detailed medical information for approximately 1.2 million deliveries from 1967 to 1995. Information about diagnostic technology was collected directly from the maternity units, using a questionnaire. STUDY DESIGN: The data were analyzed using a hospital fixed-effects regression with fetal mortality as the outcome measure...
January 19, 2018: Health Services Research
https://www.readbyqxmd.com/read/29348080/squid-ink-polysaccharide-prevents-chemotherapy-induced-injury-in-the-testes-of-reproducing-mice
#5
Ping Luo, Hua-Zhong Liu, Xiao-Yan Le, Hui Du, Xin-Huang Kang
The present study was conducted to investigate the preventive effects of squid ink polysaccharides (SIP) on the damage of sperm and reproduction induced by cyclophosphamide that is most commonly used for treating clinically cancers. Male Kunming mice exposed to cyclophosphamide were administered with SIP and were sacrificed to determine sperm parameters, testicular antioxidant ability and reproductive capacity. Data indicated that cyclophosphamide caused obvious changes in mice such as significant reduction (P<0...
January 2018: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29347926/handheld-ultrasound-to-avert-maternal-and-neonatal-deaths-in-2-regions-of-the-philippines-an-ibuntis%C3%A2-intervention-study
#6
Godofreda V Dalmacion, Ramon T Reyles, Antonia E Habana, Lalaine Mae V Cruz, Maricelle C Chua, Analyn T Ngo, Milagros J Tia-Jocson, Emmanuel S Baja
BACKGROUND: The major causes of maternal and neonatal mortality in the Philippines are hemorrhages and obstructed labor due to placental implantation abnormalities (PIAs), twin pregnancies and fetal malpresentations. All of which are all easily detected by ultrasound. However, women in rural areas and low-income groups do not have access to ultrasound during their prenatal care. We aimed to provide additional evidence on the benefits of handheld ultrasound (HU) for screening pregnancy related abnormalities in order to avert maternal and neonatal deaths...
January 18, 2018: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/29346438/colonization-of-the-cervicovaginal-space-with-gardnerella-vaginalis-leads-to-local-inflammation-and-cervical-remodeling-in-pregnant-mice
#7
Luz-Jeannette Sierra, Amy G Brown, Guillermo O Barilá, Lauren Anton, Carrie E Barnum, Snehal S Shetye, Louis J Soslowsky, Michal A Elovitz
The role of the cervicovaginal (CV) microbiome in regulating cervical function during pregnancy is poorly understood. Gardnerella vaginalis (G. vaginalis) is the most common bacteria associated with the diagnosis of bacterial vaginosis (BV). While BV has been associated with preterm birth (PTB), clinical trials targeting BV do not decrease PTB rates. It remains unknown if G. vaginalis is capable of triggering molecular, biomechanical and cellular events that could lead to PTB. The objective of this study was to determine if cervicovaginal colonization with G...
2018: PloS One
https://www.readbyqxmd.com/read/29346405/oxytocin-alters-cell-fate-selection-of-rat-neural-progenitor-cells-in-vitro
#8
Arvind Palanisamy, Ramaswamy Kannappan, Zhiqiang Xu, Audrey Martino, Matthew B Friese, Justin D Boyd, Gregory Crosby, Deborah J Culley
Synthetic oxytocin (sOT) is widely used during labor, yet little is known about its effects on fetal brain development despite evidence that it reaches the fetal circulation. Here, we tested the hypothesis that sOT would affect early neurodevelopment by investigating its effects on neural progenitor cells (NPC) from embryonic day 14 rat pups. NPCs expressed the oxytocin receptor (OXTR), which was downregulated by 45% upon prolonged treatment with sOT. Next, we examined the effects of sOT on NPC death, apoptosis, proliferation, and differentiation using antibodies to NeuN (neurons), Olig2 (oligodendrocytes), and GFAP (astrocytes)...
2018: PloS One
https://www.readbyqxmd.com/read/29344657/effects-of-hereditary-moderate-high-fat-diet-on-metabolic-performance-and-physical-endurance-capacity-in-c57bl-6-offspring
#9
Fang Liu, Guirong Zhang, Xue Sheng, Shang Liu, Meng Cui, Heyun Guo, Jianbin Xue, Lingyun Zhang
Obesity in pregnant women presents a risk to fetal health, leading to numerous metabolic syndromes and chronic inflammation risks. Previously, physical exercise was considered to be one of the primary treatments for obesity. However, the effect of fat consumption throughout the life cycle on physical endurance capacity remains unknown. A total of two groups of female mice (age, 6 weeks; C57BL/6J) were fed with a normal chow diet and a moderate high fat diet (MHFD), during pregnancy and lactation (8 weeks), with the offspring receiving the same diet as the mother...
January 16, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29344313/dna-methylation-as-a-predictor-of-fetal-alcohol-spectrum-disorder
#10
Alexandre A Lussier, Alexander M Morin, Julia L MacIsaac, Jenny Salmon, Joanne Weinberg, James N Reynolds, Paul Pavlidis, Albert E Chudley, Michael S Kobor
Background: Fetal alcohol spectrum disorder (FASD) is a developmental disorder that manifests through a range of cognitive, adaptive, physiological, and neurobiological deficits resulting from prenatal alcohol exposure. Although the North American prevalence is currently estimated at 2-5%, FASD has proven difficult to identify in the absence of the overt physical features characteristic of fetal alcohol syndrome. As interventions may have the greatest impact at an early age, accurate biomarkers are needed to identify children at risk for FASD...
2018: Clinical Epigenetics
https://www.readbyqxmd.com/read/29338302/neurotransmitter-pathway-genes-in-cognitive-decline-during-aging-evidence-for-gng4-and-kcnq2-genes
#11
Luke W Bonham, Daniel S Evans, Yongmei Liu, Steven R Cummings, Kristine Yaffe, Jennifer S Yokoyama
BACKGROUND/RATIONALE: Experimental studies support the role of neurotransmitter genes in dementia risk, but human studies utilizing single variants in candidate genes have had limited success. METHODS: We used the gene-based testing program Versatile Gene-based Association Study to assess whether aggregate variation across 6 neurotransmitter pathways influences risk of cognitive decline in 8159 cognitively normal elderly (≥65 years old) adults from 3 community-based cohorts...
January 1, 2018: American Journal of Alzheimer's Disease and Other Dementias
https://www.readbyqxmd.com/read/29336636/a-dysmorphology-based-systematic-approach-toward-perinatal-genetic-diagnosis-in-a-fetal-autopsy-series
#12
Shagun Aggarwal, Ashwani Tandon, Aneek Das Bhowmik, Jamal Mohamed Nurul Jain Safarulla, Ashwin Dalal
BACKGROUND: This retrospective study assesses the contribution of genetic disorders in fetuses undergoing postmortem evaluation and the performance of a clinical dysmorphology based systematic approach toward genetic diagnosis. MATERIALS AND METHODS: Ninety fetuses, including spontaneous losses and terminated pregnancies, underwent a postmortem evaluation including dysmorphological examination, radiological studies, and histopathological examination. Genetic testing including karyotyping, biochemical testing, Sanger sequencing, and exome sequencing were performed selectively...
January 16, 2018: Fetal and Pediatric Pathology
https://www.readbyqxmd.com/read/29336488/neonatal-ethanol-exposure-causes-behavioral-deficits-in-young-mice
#13
Wenhua Xu, Andrew B Hawkey, Hui Li, Lu Dai, Howard H Brim, Jacqueline A Frank, Jia Luo, Susan Barron, Gang Chen
BACKGROUND: Fetal ethanol (ETOH) exposure can damage the developing central nervous system and lead to cognitive and behavioral deficits, known as fetal alcohol spectrum disorders (FASD). ETOH exposure to mouse pups during early neonatal development was used as a model of ETOH exposure that overlaps the human third trimester "brain growth spurt" - a model that has been widely used to study FASD in rats. METHODS: C57BL/6 male and female mice were exposed to ETOH (4 g/kg/day) on postnatal days (PD) 4-10 by oral intubation...
January 16, 2018: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/29335024/sex-differences-in-the-late-first-trimester-human-placenta-transcriptome
#14
Tania L Gonzalez, Tianyanxin Sun, Alexander F Koeppel, Bora Lee, Erica T Wang, Charles R Farber, Stephen S Rich, Lauren W Sundheimer, Rae A Buttle, Yii-Der Ida Chen, Jerome I Rotter, Stephen D Turner, John Williams, Mark O Goodarzi, Margareta D Pisarska
BACKGROUND: Development of the placenta during the late first trimester is critical to ensure normal growth and development of the fetus. Developmental differences in this window such as sex-specific variation are implicated in later placental disease states, yet gene expression at this time is poorly understood. METHODS: RNA-sequencing was performed to characterize the transcriptome of 39 first trimester human placentas using chorionic villi following genetic testing (17 females, 22 males)...
January 15, 2018: Biology of Sex Differences
https://www.readbyqxmd.com/read/29334402/noninvasive-reconstruction-of-placental-methylome-from-maternal-plasma-dna-potential-for-prenatal-testing-and-monitoring
#15
Kun Sun, Fiona M F Lun, Tak Y Leung, Rossa W K Chiu, Y M Dennis Lo, Hao Sun
OBJECTIVE: During human pregnancy, the DNA methylation of placental tissue is highly relevant to the normal growth and development of the fetus, therefore methylomic analysis of the placental tissue possesses high research and clinical value in prenatal testing and monitoring. Thus our aim is to develop an approach for reconstruction of the placental methylome, which should be completely noninvasive and achieve high accuracy and resolution. RESULTS: We propose a novel size-based algorithm, FEMER, to noninvasively reconstruct the placental methylome by genomewide bisulfite sequencing and size-based analysis of maternal plasma DNA...
January 15, 2018: Prenatal Diagnosis
https://www.readbyqxmd.com/read/29330408/collagen-type-1-accelerates-healing-of-ruptured-fetal-membranes
#16
Haruta Mogami, Annavarapu Hari Kishore, R Ann Word
Preterm premature rupture of membranes (pPROM) is a major cause of preterm birth. Recently, extracellular matrix-directed treatment is applied for wound healing. Here, we used a pregnant mouse model to test the efficacy of collagen type 1 gel for healing of the prematurely ruptured fetal membranes. Although injection of PBS into the ruptured fetal membranes resulted in 40% closure, injection of collagen type 1 improved closure rates to 90% within 72 h. Macrophages of the M2 wound healing phenotype were entrapped in the collagen layer...
January 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29329576/spontaneous-prematurity-in-fetuses-with-congenital-diaphragmatic-hernia-a-retrospective-cohort-study-about-prenatal-predictive-factors
#17
Bruna Maria Lopes Barbosa, Agatha S Rodrigues, Mario Henrique Burlacchini Carvalho, Roberto Eduardo Bittar, Rossana Pulcineli Vieira Francisco, Lisandra Stein Bernardes
BACKGROUND: To evaluate possible predictive factors of spontaneous prematurity in fetuses with congenital diaphragmatic hernia (CDH). METHODS: A retrospective cohort study was performed. Inclusion criteria were presence of CDH; absence of fetoscopy; absence of karyotype abnormality; maximum of one major malformation associated with diaphragmatic hernia; ultrasound monitoring at the Obstetrics Clinic of Clinicas Hospital at the University of São Paulo School of Medicine, from January 2001 to October 2014...
January 12, 2018: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/29327352/ultrasound-findings-provide-clues-to-investigate-founder-mutations-expressed-as-runs-of-homozygosity-in-chromosomal-microarray-studies
#18
Hagit Daum, Israela Lerer, Ayala Frumkin, Daniel Rosenak, Nili Yanai, Shay Porat, Simcha Yagel, Vardiella Meiner
OBJECTIVES: Chromosomal microarray analysis is effectively applied prenatally to detect copy number changes. Single nucleotide polymorphism (SNP) probes included in the microarray platform can detect regions of excessive homozygosity and identical-by-descent genomic stretches. The utility of the latter as part of prenatal diagnosis is not well established. Recessive founder mutations are well recognized within distinct ethnic groups. Combining these data with prenatal sonography provides accurate focused molecular diagnoses quickly...
January 11, 2018: Prenatal Diagnosis
https://www.readbyqxmd.com/read/29326803/treatment-of-early-stages-hodgkin-lymphoma-during-pregnancy
#19
Agustin Avilés, Maria-Jesus Nambo, Natividad Neri
Background: To assess maternal and fetal outcome of women and newborns who received chemotherapy during pregnancy to treat Hodgkin lymphoma (HL)in early stages (IA, IIA), we performed a retrospective analysis of a cohort of 44 pregnant women with HL and early stages, diagnosed and treated between 1988 to 2013, at a tertiary reference cancer center. Methods: We analyzed data on HL characteristics and treatment, with a particular attention to maternal and fetal complications; in children, we performed a longer follow-up to detect any anomaly in physical development, scholar performance, psychological, cardiac, neurological function, and intelligence tests...
2018: Mediterranean Journal of Hematology and Infectious Diseases
https://www.readbyqxmd.com/read/29325324/-obstetric-outcome-in-pregnancy-complained-with-pulmonary-hypertension
#20
C X Zhu, W Xiong, J Yang, H Q Chen, G Niu, Z L Wang
Objective: To identify whether pregnancy outcomes vary by the severity of pulmonary hypertension. Methods: A retrospective study was conducted on 78 cases of pregnancies complained with pulmonary hypertension who delivered in the First Affiliated Hospital, Sun Yat-sen University from 2006 to 2016.The selected cases were divided into three groups according to severity of pulmonary hypertension: mild pulmonary hypertension group (mild PAH group) was defined as a mean pulmonary artery pressure 30-49 mmHg, moderate pulmonary hypertension (moderate PAH group) as mean pulmonary artery pressure 50-69 mmHg and severe pulmonary hypertension (severe PAH group) as mean pulmonary artery pressure 70 mmHg or greater...
December 19, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
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