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https://www.readbyqxmd.com/read/27935854/second-trimester-maternal-serum-markers-in-the-prediction-of-preeclampsia
#1
Qiong Luo, Xiujun Han
AIM: To determine whether late second-trimester maternal serum biomarkers are useful for the prediction of preeclampsia during the third trimester, a case-control study including 33 preeclamptic and 71 healthy pregnancies was conducted. Maternal serum concentrations of placental protein 13 (PP13), pregnancy-associated plasma protein (PAPP-A), pentraxin3 (PTX3), soluble FMS-like tyrosine kinase-1 (sFlt-1), myostatin and follistatin-like-3 (FSLT-3) were measured at 24-28 weeks' gestation...
December 9, 2016: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/27934956/placental-antibody-transfer-efficiency-and-maternal-levels-specific-for-measles-coxsackievirus-a16-enterovirus-71-poliomyelitis-i-iii-and-hiv-1-antibodies
#2
Chuanxi Fu, Long Lu, Hao Wu, Jeffrey Shaman, Yimin Cao, Fang Fang, Qiongying Yang, Qing He, Zhicong Yang, Ming Wang
Maternal antibodies transported across the placenta can provide vital immunity against infectious pathogens for infants. We here examine maternal antibody (MA) levels and their association with neonatal antibody levels. Pregnant women of gestational age ≥35 weeks were enrolled at a Guangzhou China hospital and mother-infant paired sera were collected. Measles IgG antibody was detected using ELISA assay, neutralizing antibodies titers against coxsackievirus A16 (CA16), enterovirus 71 (EV71), PV I-III and HIV-1 were performed...
December 9, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27931097/novel-chlorinated-polyfluorinated-ether-sulfonates-and-legacy-per-polyfluoroalkyl-substances-placental-transfer-and-relationship-with-serum-albumin-and-glomerular-filtration-rate
#3
Yitao Pan, Yingshuang Zhu, Tongzhang Zheng, Qianqian Cui, Stephen L Buka, Bin Zhang, Yong Guo, Wei Xia, Leo Wai-Yin Yeung, Yuanyuan Li, Aifen Zhou, Lin Qiu, Hongxiu Liu, Minmin Jiang, Chuansha Wu, Shunqing Xu, Jiayin Dai
Per- and polyfluoroalkyl substances (PFASs) may cross the placental barrier and lead to fetal exposure. However, little is known about the factors that influence maternal-fetal transfer of these chemicals. PFAS concentrations were analyzed in 100 paired samples of human maternal sera collected in each trimester and cord sera at delivery; these samples were collected in Wuhan, China, 2014. Linear regression was used to estimate associations of transfer efficiencies with factors. Chlorinated polyfluorinated ether sulfonates (Cl-PFAESs: 6:2 and 8:2) were frequently detected (> 99%) in maternal and cord sera...
December 8, 2016: Environmental Science & Technology
https://www.readbyqxmd.com/read/27929740/role-for-padi6-in-securing-the-mrna-msy2-complex-to-the-oocyte-cytoplasmic-lattices
#4
Xiaoqiu Liu, Eric Morency, Tingting Li, Hao Qin, Xiaoqian Zhang, Xuesen Zhang, Scott Coonrod
The oocyte cytoplasmic lattices (CPLs) have long been predicted to function as a storage form for the maternal contribution of ribosomes to the early embryo. Our previous studies have demonstrated that ribosomal component S6 is stored in the oocyte CPLs and peptidylarginine deiminase 6 (PADI6) is critical for CPLs formation. Additionally, we found that depletion of PADI6 reduced de novo protein synthesis prior to the maternal-to-embryonic transition, therefore causing embryos to arrest at the two-cell stage...
December 8, 2016: Cell Cycle
https://www.readbyqxmd.com/read/27929092/the-known-genetic-loci-for-telomere-length-may-be-involved-in-the-modification-of-telomeres-length-after-birth
#5
Qiao Weng, Jiangbo Du, Fei Yu, Tongtong Huang, Mengxi Chen, Hong Lv, Hongxia Ma, Zhibin Hu, Guangfu Jin, Yali Hu, Hongbing Shen
Telomere length varies considerably among individuals. It is highly heritable and decreases with ageing or ageing related diseases. Recently, genome-wide association studies (GWAS) have identified several genetic loci associated with telomere length in adults. However, it is unclear whether these loci represent the genetic basis of telomere length or determine the individual susceptibility to shortening during growth process. Using DNA extracted from peripheral and cord blood of 444 mother-newborn pairs from a Chinese population, we measured relative telomere length (RTL) and genotyped eight known telomere length related variants that were initially identified in populations of European descent...
December 8, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27926462/peri-conception-maternal-lipid-profiles-predict-pregnancy-outcomes
#6
Enitan Ogundipe, Mark R Johnson, Yiqun Wang, Michael A Crawford
In this study, healthy women and those at high-risk of adverse pregnancy outcomes (pre-eclampsia, fetal growth restriction, gestational diabetes) were selected to assess the effect of fatty acid supplementation. The purpose of this paper is to report two novel findings (i) at recruitment the receiver operating characteristic (ROC) for erythrocyte oleic acid predicted spontaneous delivery at 34 weeks gestation (ROC=0.926 n=296) for all women entering the study. Further analysis revealed oleic and all monounsaturated fatty acids were similarly predictive with or without a supplement during the pregnancy...
November 2016: Prostaglandins, Leukotrienes, and Essential Fatty Acids
https://www.readbyqxmd.com/read/27924460/proteomic-profile-of-maternal-aged-blastocoel-fluid-suggests-a-novel-role-for-ubiquitin-system-in-blastocyst-quality
#7
Gabriella Tedeschi, Elena Albani, Elena Monica Borroni, Valentina Parini, Anna Maria Brucculeri, Elisa Maffioli, Armando Negri, Simona Nonnis, Mauro Maccarrone, Paolo Emanuele Levi-Setti
PURPOSE: The etiology of maternal aging, a common cause of female factor infertility and a rate-limiting step in vitro fertilization (IVF) success, remains still unclear. Proteomic changes responsible for the impaired successful pregnancy outcome after IVF with aged blastocysts have not been yet evaluated. The objective of this prospective study was to employ proteomic techniques and bioinformatic tools to enlight differences at the protein level in blastocoel fluid of aged and younger woman...
December 6, 2016: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/27924281/causality-analysis-detects-the-regulatory-role-of-maternal-effect-genes-in-the-early-drosophila-embryo
#8
Zara Ghodsi, Xu Huang, Hossein Hassani
In developmental studies, inferring regulatory interactions of segmentation genetic network play a vital role in unveiling the mechanism of pattern formation. As such, there exists an opportune demand for theoretical developments and new mathematical models which can result in a more accurate illustration of this genetic network. Accordingly, this paper seeks to extract the meaningful regulatory role of the maternal effect genes using a variety of causality detection techniques and to explore whether these methods can suggest a new analytical view to the gene regulatory networks...
March 2017: Genomics Data
https://www.readbyqxmd.com/read/27923951/maternal-antibody-responses-and-nonprimary-congenital-cytomegalovirus-infection-of-hiv-1-exposed-infants
#9
Kristy M Bialas, Daniel Westreich, Eduardo Cisneros de la Rosa, Cody S Nelson, Lawrence M Kauvar, Tong-Ming Fu, Sallie R Permar
Risk of congenital cytomegalovirus (cCMV) transmission is highly dependent on the presence of preexisting maternal immunity, with the lowest rates observed in CMV-seroimmune populations. Among infants of CMV-seroimmune women, those who are exposed to human immunodeficiency virus (HIV) have an increased risk of acquiring cCMV infection as compared to HIV-unexposed infants. To better understand the risk factors of nonprimary cCMV transmission in HIV-infected women, we performed a case-control study in which CMV-specific plasma antibody responses from 19 CMV-transmitting and 57 CMV-nontransmitting women with chronic CMV/HIV coinfection were evaluated for the ability to predict the risk of cCMV infection...
December 15, 2016: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/27921426/-gestational-diabetes-mellitus
#10
Hana Krejčí
The present generation of women of childbearing age more frequently suffer from overweight, obesity, initial as well as fully established metabolic syndrome, which together with postponing motherhood until the third decade in life plays an important role in the increasing incidence of gestational diabetes (GDM) that currently affects about 1/5 of pregnant women. However the causal link between diabetes during pregnancy and metabolic diseases in the whole population is mutual. By way of epigenetic changes, maternal diabetes unfavourably programmes metabolism of the offspring, who tend to transfer the disorder to the next generations...
2016: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/27920225/log-logistic-proportional-odds-model-for-analyzing-infant-mortality-in-bangladesh
#11
Most Fatima-Tuz-Zahura, Khandoker Akib Mohammad, Wasimul Bari
Log-logistic parametric survival regression model has been used to find out the potential determinants of infant mortality in Bangladesh using the data extracted from Bangladesh Demographic and Health Survey, 2011. First, nonparametric product-limit approach has been used to examine the unadjusted association between infant mortality and covariate of interest. It is found that maternal education, membership of nongovernmental organizations, age of mother at birth, sex of child, size of child at birth, and place of delivery play an important role in reducing the infant mortality, adjusting relevant covariates...
December 5, 2016: Asia-Pacific Journal of Public Health
https://www.readbyqxmd.com/read/27918138/association-of-essential-trace-metals-in-maternal-hair-with-the-risk-of-neural-tube-defects-in-offspring
#12
Lailai Yan, Bin Wang, Zhenjiang Li, Yaqiong Liu, Wenhua Huo, Jingyu Wang, Zhiwen Li, Aiguo Ren
BACKGROUND: The relationship between essential trace metals (ETMs) and the risk of neural tube defects (NTDs) is still unclear. One of the challenges is to evaluate the intake of ETMs of women during their early period of pregnancy. We proposed the hypothesis that an ETM deficiency in women during their early period of pregnancy is associated with an elevated risk of NTDs in offspring. METHODS: We recruited 191 women with NTD-affected pregnancies (case group) and 261 women who delivered healthy infants (control group)...
December 5, 2016: Birth Defects Research. Part A, Clinical and Molecular Teratology
https://www.readbyqxmd.com/read/27917907/ecat1-is-essential-for-human-oocyte-maturation-and-pre-implantation-development-of-the-resulting-embryos
#13
Changyu Liu, Min Li, Tianjie Li, Hongcui Zhao, Jin Huang, Yun Wang, Qian Gao, Yang Yu, Qinghua Shi
ECAT1 is a subunit of the subcortical maternal complex that is required for cell cycle progression during pre-implantation embryonic development; however, its exact function remains to be elucidated. Here we investigated the expression of ECAT1 in human ovarian tissue, oocytes and pre-implantation embryos and assessed its function by using RNA interference (RNAi) in oocytes. ECAT1 mRNA was highly expressed in human oocytes and zygotes, as well as in two-cell, four-cell and eight-cell embryos, but declined significantly in morulae and blastocysts...
December 5, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27916413/immunogenicity-and-protective-efficacy-of-a-single-dose-live-non-pathogenic-escherichia-coli-oral-vaccine-against-f4-positive-enterotoxigenic-escherichia-coli-challenge-in-pigs
#14
John Morris Fairbrother, Éric Nadeau, Louise Bélanger, Cindy-Love Tremblay, Danielle Tremblay, Mélanie Brunelle, Regina Wolf, Klaus Hellmann, Álvaro Hidalgo
Enterotoxigenic Escherichia coli strains expressing F4 (K88) fimbriae (F4-ETEC) are one of the most important causes of post-weaning diarrhea (PWD) in pigs. F4, a major antigen, plays an important role in the early steps of the infection. Herein, the efficacy of a live oral vaccine consisting of a non-pathogenic E. coli strain expressing F4 for protection of pigs against PWD was evaluated. Three blinded, placebo-controlled, block design, parallel-group confirmatory experiments were conducted, using an F4-ETEC PWD challenge model, each with a different vaccination-challenge interval (3, 7, and 21days)...
December 1, 2016: Vaccine
https://www.readbyqxmd.com/read/27915972/resistance-to-cell-death-and-its-modulation-in-cancer-stem-cells
#15
Ahmad R Safa
Accumulating evidence has demonstrated that human cancers arise from various tissues of origin that initiate from cancer stem cells (CSCs) or cancer-initiating cells. The extrinsic and intrinsic apoptotic pathways are dysregulated in CSCs, and these cells play crucial roles in tumor initiation, progression, cell death resistance, chemo- and radiotherapy resistance, and tumor recurrence. Understanding CSC-specific signaling proteins and pathways is necessary to identify specific therapeutic targets that may lead to the development of more efficient therapies selectively targeting CSCs...
2016: Critical Reviews in Oncogenesis
https://www.readbyqxmd.com/read/27914918/epigenetic-game-theory-how-to-compute-the-epigenetic-control-of-maternal-to-zygotic-transition
#16
REVIEW
Qian Wang, Kirk Gosik, Sujuan Xing, Libo Jiang, Lidan Sun, Vernon M Chinchilli, Rongling Wu
Epigenetic reprogramming is thought to play a critical role in maintaining the normal development of embryos. How the methylation state of paternal and maternal genomes regulates embryogenesis depends on the interaction and coordination of the gametes of two sexes. While there is abundant research in exploring the epigenetic interactions of sperms and oocytes, a knowledge gap exists in the mechanistic quantitation of these interactions and their impact on embryo development. This review aims at formulating a modeling framework to address this gap through the integration and synthesis of evolutionary game theory and the latest discoveries of the epigenetic control of embryo development by next-generation sequencing...
November 9, 2016: Physics of Life Reviews
https://www.readbyqxmd.com/read/27913250/identification-of-non-coding-and-coding-rnas-in-porcine-endometrium
#17
Yueying Wang, Tao Hu, Lihang Wu, Xiaoran Liu, Songyi Xue, Minggang Lei
One of the most critical periods of embryonic loss in pig is day 12 of pregnancy, when implantation begins. Here, we analyzed the gene expression on day 12 of pregnancy and non-pregnancy in the porcine endometrium using RNA sequencing (RNA-seq). 237 mRNAs, 34 lncRNAs and 1 miRNA were significantly differentially expressed between the two groups. Further functional analyses were conducted to identify these differentially expressed transcripts. The results demonstrated that they participate in various biological processes, such as cell adhesion, binding, nucleic and metabolic processes...
November 29, 2016: Genomics
https://www.readbyqxmd.com/read/27911936/serum-calcium-magnesium-zinc-and-copper-levels-in-sudanese-women-with-preeclampsia
#18
Abdelmageed Elmugabil, Hamdan Z Hamdan, Anas E Elsheikh, Duria A Rayis, Ishag Adam, Gasim I Gasim
BACKGROUND: Although the exact pathophysiology of preeclampsia is not fully understood, several elemental micronutrient abnormalities have been suggested to play a contributory role in preeclampsia. AIMS: To investigate the levels of calcium, magnesium, zinc and copper in women with preeclampsia. SUBJECTS AND METHODS: A case-control study was conducted in Omdurman Maternity Hospital, Sudan, during the period of September through December 2014...
2016: PloS One
https://www.readbyqxmd.com/read/27910850/the-guanine-nucleotide-exchange-factor-net1-facilitates-the-specification-of-dorsal-cell-fates-in-zebrafish-embryos-by-promoting-maternal-%C3%AE-catenin-activation
#19
Shi Wei, Miaomiao Dai, Zhaoting Liu, Yuanqing Ma, Hanqiao Shang, Yu Cao, Qiang Wang
Wnt/β-catenin signaling is essential for the initiation of dorsal-ventral patterning during vertebrate embryogenesis. Maternal β-catenin accumulates in dorsal marginal nuclei during cleavage stages, but its critical target genes essential for dorsalization are silent until mid-blastula transition (MBT). Here, we find that zebrafish net1, a guanine nucleotide exchange factor, is specifically expressed in dorsal marginal blastomeres after MBT, and acts as a zygotic factor to promote the specification of dorsal cell fates...
December 2, 2016: Cell Research
https://www.readbyqxmd.com/read/27910138/canine-and-feline-colostrum
#20
S Chastant-Maillard, C Aggouni, A Albaret, A Fournier, H Mila
Puppy and kitten survival over the first weeks is particularly dependent on colostrum, a specific secretion of the mammary gland produced during the first 2 days post-partum. Colostrum is a source of nutrients and immunoglobulins. It also contributes to the digestive tract maturation. Colostrum differentiates from milk mainly based on its concentration in immunoglobulins G: 20-30 g/L in dog colostrum, 40-50 g/L in cats' vs <1 g/L in milk. IgG concentration rapidly drops after parturition (-50% in 24 hr)...
November 30, 2016: Reproduction in Domestic Animals, Zuchthygiene
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