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Prenatal array

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https://www.readbyqxmd.com/read/28531215/association-of-cord-blood-chemokines-and-other-biomarkers-with-neonatal-complications-following-intrauterine-inflammation
#1
Yoshikazu Otsubo, Kunio Hashimoto, Taro Kanbe, Muneichiro Sumi, Hiroyuki Moriuchi
BACKGROUND: Intrauterine inflammation has been associated with preterm birth and neonatal complications. Few reports have comprehensively investigated multiple cytokine profiles in cord blood and precisely identified surrogate markers for intrauterine inflammation. AIM: To identify the cytokines and surrogate markers associated with intrauterine inflammation and subsequent neonatal complications. PATIENTS AND METHODS: We analyzed cord blood samples from 135 patients admitted to the neonatal intensive care unit at Sasebo City General Hospital...
2017: PloS One
https://www.readbyqxmd.com/read/28469780/the-relationship-between-amniotic-fluid-mirnas-and-congenital-obstructive-nephropathy
#2
Juntao Xie, Yi Zhou, Wenzong Gao, Zuoqing Li, Zhe Xu, Li Zhou
Exosomes are small membrane vesicles with size of 30-100 nm, which were found in bodily fluids including amniotic fluid and saliva. The biological materials in exosomes, such as proteins and RNA, can be used as novel potential biomarkers for diagnostic assays. The purpose of this study was to assess whether exosomal microRNAs (miRNAs) could be used as biomarkers to prenatally diagnose congenital hydronephrosis and to evaluate fetal kidney function. Transmission electron microscopy (TEM), flow cytometry (FACS), and western-blot were applied to identify exosomes in the amniotic fluid from fetuses with congenital hydronephrosis and healthy controls...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28462458/crossreactivity-of-an-antiserum-directed-to-the-gram-negative-bacterium-neisseria-gonorrhoeae-with-the-snare-complex-protein-snap23-correlates-to-impaired-exocytosis-in-sh-sy5y-cells
#3
A Almamy, C Schwerk, H Schroten, H Ishikawa, A R Asif, B Reuss
Early maternal infections with Neisseria gonorrhoeae (NG) correlate to an increased lifetime schizophrenia risk for the offspring, which might be due to an immune-mediated mechanism. Here, we investigated the interactions of polyclonal antisera to NG (α-NG) with a first trimester prenatal brain multiprotein array, revealing among others the SNARE-complex protein Snap23 as a target antigen for α-NG. This interaction was confirmed by Western blot analysis with a recombinant Snap23 protein, whereas the closely related Snap25 failed to interact with α-NG...
May 1, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28456990/prenatal-diagnosis-of-lysosomal-storage-disorders-using-chorionic-villi
#4
Jyotsna Verma, Sunita Bijarnia-Mahay, Ishwar C Verma
Prenatal enzymatic diagnosis for an array of lysosomal storage disorders (LSDs) can be performed accurately, provided that a confirmed diagnosis by biochemical/molecular study in the index case is available and a strict defined protocol, specific to each individual disorder is followed. The present chapter describes the protocols for reliable and accurate prenatal enzymatic diagnoses by fluorometric and spectrophotometric methods of lysosomal storage disorders: Gaucher, Fabry, Pompe, Niemann Pick A/B, Tay Sach, Sandhoff, GM1, Mucoplysaccharidoses, Wolman, Krabbe, Metachromatic leukodystrophy, and Batten diseases using uncultured chorionic villi samples...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28440505/detection-of-fetal-epigenetic-biomarkers-through-genome-wide-dna-methylation-study-for-non-invasive-prenatal-diagnosis
#5
Hong-Dan Wang, Lin Liu, Hui-Ru Zhao, Qiao-Fang Hou, Jing-Bin Yan, Wei-Li Shi, Qian-Nan Guo, Li Wang, Shi-Xiu Liao, Bo-Feng Zhu
The discovery of cell-free DNA fetal (cff DNA) in maternal plasma during pregnancy provides a novel perspective for the development of non‑invasive prenatal diagnosis (NIPD). Against the background of maternal DNA, the use of the relatively low concentration of cff DNA is limited in NIPD. Therefore, in order to overcome the complication of the background of maternal DNA and expand the scope of cff DNA application in clinical practice, it is necessary to identify novel universal fetal‑specific DNA markers...
June 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28433458/linking-the-biological-underpinnings-of-depression-role-of-mitochondria-interactions-with-melatonin-inflammation-sirtuins-tryptophan-catabolites-dna-repair-and-oxidative-and-nitrosative-stress-with-consequences-for-classification-and-cognition
#6
REVIEW
George Anderson
The pathophysiological underpinnings of neuroprogressive processes in recurrent major depressive disorder (rMDD) are reviewed. A wide array of biochemical processes underlie MDD presentations and their shift to a recurrent, neuroprogressive course, including: increased immune-inflammation, tryptophan catabolites (TRYCATs), mitochondrial dysfunction, aryl hydrocarbonn receptor activation, and oxidative and nitrosative stress (O&NS), as well as decreased sirtuins and melatonergic pathway activity. These biochemical changes may have their roots in central, systemic and/or peripheral sites, including in the gut, as well as in developmental processes, such as prenatal stressors and breastfeeding consequences...
April 19, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28433422/postnatal-choline-supplementation-selectively-attenuates-hippocampal-microrna-alterations-associated-with-developmental-alcohol-exposure
#7
Sridevi Balaraman, Nirelia M Idrus, Rajesh C Miranda, Jennifer D Thomas
Prenatal alcohol exposure can result in a range of physical, neuropathological, and behavioral alterations, collectively termed fetal alcohol spectrum disorders (FASD). We have shown that supplementation with the nutrient choline reduces the severity of developmental alcohol-associated deficits in hippocampal-dependent behaviors and normalizes some aspects of hippocampal cholinergic development and DNA methylation patterns. Alcohol's developmental effects may also be mediated, in part, by altering microRNAs (miRNAs) that serve as negative regulators of gene translation...
May 2017: Alcohol
https://www.readbyqxmd.com/read/28427452/modeling-environmental-risk-factors-of-autism-in-mice-induces-ibd-related-gut-microbial-dysbiosis-and-hyperserotonemia
#8
Joon Seo Lim, Mi Young Lim, Yongbin Choi, GwangPyo Ko
Autism spectrum disorder (ASD) is a range of neurodevelopmental conditions that are sharply increasing in prevalence worldwide. Intriguingly, ASD is often accompanied by an array of systemic aberrations including (1) increased serotonin, (2) various modes of gastrointestinal disorders, and (3) inflammatory bowel disease (IBD), albeit the underlying cause for such comorbidities remains uncertain. Also, accumulating number of studies report that the gut microbial composition is significantly altered in children with ASD or patients with IBD...
April 20, 2017: Molecular Brain
https://www.readbyqxmd.com/read/28420516/prenatal-diagnosis-and-molecular-cytogenetic-characterization-of%C3%A2-low-level-mosaic-trisomy-12-at-amniocentesis-associated-with%C3%A2-a%C3%A2-favorable-pregnancy-outcome
#9
Chih-Ping Chen, Chen-Ju Lin, Schu-Rern Chern, Peih-Shan Wu, Yen-Ni Chen, Shin-Wen Chen, Chen-Wen Pan, Chien-Wen Yang, Wayseen Wang
OBJECTIVE: We present prenatal diagnosis of low-level mosaic trisomy 12. CASE REPORT: A 40-year-old woman underwent amniocentesis at 18 weeks of gestation because of advanced maternal age, which revealed a karyotype of 47,XX,+12[5]/46,XX[24] consistent with 17.2% (5/29) mosaicism for trisomy 12. Repeat amniocentesis performed at 21 weeks of gestation revealed a karyotype of 47,XX,+12[4]/46,XX[6] consistent with 40% (4/10) mosaicism for trisomy 12. Interphase fluorescence in situ hybridization (FISH) on 112 uncultured amniocytes detected 23 cells with trisomy 12 consistent with 20...
April 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28420515/prenatal-diagnosis-and-molecular-cytogenetic-characterization-of-mosaicism-for-a-small-supernumerary-marker-chromosome-derived-from-chromosome-2
#10
Chih-Ping Chen, Ming Chen, Shun-Ping Chang, Fang-Yu Hung, Meng-Ju Lee, Schu-Rern Chern, Peih-Shan Wu, Yen-Ni Chen, Shin-Wen Chen, Chen-Chi Lee, Dai-Dyi Town, Wen-Lin Chen, Wayseen Wang
OBJECTIVE: We present prenatal diagnosis and molecular cytogenetic characterization of mosaicism for a small supernumerary marker chromosome (sSMC) derived from chromosome 2. CASE REPORT: A 42-year-old woman underwent amniocentesis at 17 weeks of gestation because of advanced maternal age. Amniocentesis revealed a karyotype of 47,XY,+mar[10]/46,XY[12]. The parental karyotypes were normal. Array comparative genomic hybridization analysis of the DNA extracted from cultured amniocytes revealed no genomic imbalance...
April 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28420511/prenatal-diagnosis-and-molecular-cytogenetic-characterization-of-concomitant-familial-small-supernumerary-marker-chromosome-derived-from-chromosome-4q-4q11-1-q13-2-and-5q13-2-microdeletion-with-no-apparent-phenotypic-abnormality
#11
Chih-Ping Chen, Schu-Rern Chern, Yen-Ni Chen, Shin-Wen Chen, Peih-Shan Wu, Chien-Wen Yang, Chen-Chi Lee, Meng-Shan Lee, Chen-Wen Pan, Wayseen Wang
OBJECTIVE: We present prenatal diagnosis and molecular cytogenetic characterization of concomitant familial small supernumerary marker chromosome 4 [sSMC(4)] derived from 4q11.1-q12 and q13.2, and 5q13.2 microdeletion with no apparent phenotypic abnormality. MATERIALS AND METHODS: A 32-year-old woman underwent amniocentesis at 21 weeks of gestation because of absent nasal bone on fetal ultrasound. Amniocentesis revealed a karyotype of 47,XX,+mar[13]/46,XX[3]. Array comparative genomic hybridization analysis on the cultured amniocytes revealed a 2...
April 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28409863/the-influence-of-snp-based-chromosomal-microarray-and-nipt-on-the-diagnostic-yield-in-10-000-fetuses-with-and-without-fetal-ultrasound-anomalies
#12
Malgorzata I Srebniak, Maarten F C M Knapen, Marike Polak, Marieke Joosten, Karin E M Diderich, Lutgarde C P Govaerts, Marjan Boter, Joan N R Kromosoeto, Daniella Aloysia C M van Hassel, Gido Huijbregts, Wilfred F J van Ijcken, Roger Heydanus, Anneke Dijkman, Toon Toolenaar, Femke A T de Vries, Jeroen Knijnenburg, Attie T J I Go, Robert-Jan H Galjaard, Diane Van Opstal
Prenatal diagnostics has been impacted by technological changes in the past decade, which have affected the diagnostic yield. The aim of this study was to evaluate the impact of SNP array and non-invasive prenatal testing (NIPT) on the diagnostic yield and the number of invasive tests in our center. The frequency of pathogenic fetal unbalanced chromosome aberrations was studied in 10,005 cases referred for prenatal testing in 2009-2015. Chromosomal SNP microarray analysis replaced karyotyping in all invasively tested pregnancies and since 2014 a choice between NIPT and diagnostic testing with microarray was offered to women with an increased risk for common aneuploidy...
April 14, 2017: Human Mutation
https://www.readbyqxmd.com/read/28406537/non-invasive-prenatal-screening-versus-prenatal-diagnosis-by-array-comparative-genomic-hybridization-a-comparative-retrospective-study
#13
Alexandros Sotiriadis, Ioannis Papoulidis, Elisavet Siomou, Elena Papageorgiou, Makarios Eleftheriades, Vasilios Papadopoulos, Maria Alexiou, Emmanouil Manolakos, Apostolos Athanasiadis
OBJECTIVE: To calculate the proportion of array comparative genomic hybridization (aCGH) pathogenic results, that would not be detectable by non-invasive prenatal screening (NIPS). METHODS: This is a comparative study using data from 2,779 fetuses, which underwent invasive prenatal diagnosis and the samples were analyzed using aCGH. The simulated NIPS assay would test for trisomies 21, 18, 13, monosomy X, 47,XXX, 47,XYY and 47,XXY. Indications for invasive testing were grouped into categories and the absolute, relative rates of pathogenic/likely pathogenic results of aCGH analysis that would not be detectable by NIPS, were calculated...
April 12, 2017: Prenatal Diagnosis
https://www.readbyqxmd.com/read/28403926/prenatal-microarray-comparative-genomic-hybridization-experience-from-the-two-first-years-of-activity-at-the-lyon-university-hospital
#14
L Pons, M Till, E Alix, C Abel, D Boggio, A Bordes, J Caloone, F C Raskin, N Chatron, M-P Cordier, A Fichez, A Labalme, C Lajeunesse, É Liaras, M Massoud, J Miribel, E Ollagnon, C Schluth-Bolard, A Vichier-Cerf, P Edery, J Attia, C Huissoud, R C Rudigoz, J Massardier, P Gaucherand, D Sanlaville
OBJECTIVES: This study aims to describe how microarray comparative genomic hybridization (aCGH) has shifted to become a prenatal diagnosis tool at the Lyon university-hospital. MATERIALS AND METHODS: This retrospective study included all patients who were referred in the 3 pluridisciplinary centers for prenatal diagnosis of the Lyon university-hospital and who received a prenatal aCGH between June 2013 and June 2015. aCGH was systematically performed in parallel with a karyotype, using the PréCytoNEM array design...
March 2017: J Gynecol Obstet Hum Reprod
https://www.readbyqxmd.com/read/28397229/-prenatal-diagnosis-of-a-rare-case-of-7q11-23-duplication-syndrome
#15
Guangjuan Ma, Yulin Jiang, Zhen Yu, Wencheng Dai, Ning Liu, Huijun Li, Gulinazi Mijiti
OBJECTIVE: To explore the application of combined techniques for the prenatal diagnosis of a case with 7q11.23 duplication. METHODS: Amniocentesis was performed in the second trimester for a mother with a high risk suggested by serological prenatal screening. G-banded chromosomal analysis was performed on cultured amniocytes and peripheral blood samples from both parents. DNA from amniotic fluid sample was isolated for a BACs-on-Beads (BoBs) assay. To define the range of duplication, copy number variation was determined with single nucleotide polymorphism array (SNP array, Affymetrix CytoScan 750K) and fluorescence in situ hybridization (FISH) analysis...
April 10, 2017: Zhonghua Yi Xue Yi Chuan Xue za Zhi, Zhonghua Yixue Yichuanxue Zazhi, Chinese Journal of Medical Genetics
https://www.readbyqxmd.com/read/28397228/-application-of-array-comparative-genomic-hybridization-in-prenatal-diagnosis-of-a-case-with-5q35-deletion-syndrome
#16
Zhanqi Feng, Heping Hu, Changqing Mao, Dingzhan Wang, Lei Liu, Shiling Liu, Zhian Jing, Hongyan Liu
OBJECTIVE: To use combined G-banding and array-comparative genomic hybridization (aCGH) for the prenatal diagnosis of a fetus with 5q35 deletion syndrome. METHODS: Chromosomal karotypes of the fetus and parents were analyzed with G-banding analysis. aCGH was performed to detect minor chromosomal structural abnormalities. RESULTS: The karyotype of the fetus was ascertained as 46, XY, t(5;10)(q35;p13), and the karyotypes of the parents were normal...
April 10, 2017: Zhonghua Yi Xue Yi Chuan Xue za Zhi, Zhonghua Yixue Yichuanxue Zazhi, Chinese Journal of Medical Genetics
https://www.readbyqxmd.com/read/28397213/-analysis-of-genome-wide-copy-number-variations-among-fetuses-with-abnormalities-detected-by-prenatal-ultrasouography
#17
Ke Wu, Shaohua Tang, Chong Chen, Huanzheng Li, Lili Zhou, Jianxin Lyu
OBJECTIVE: To explore the genetic etiology of fetal abnormalities detected by prenatal ultrasound through single nucleotide polymorphism (SNP array) analysis. METHODS: Two hundred and eight fetuses were tested with SNP array and conventional karyotyping. Complex copy number variations (CNVs) were verified with fluorescence in situ hybridization (FISH), multiplex ligation-dependent probe amplification (MLPA) and quantitative fluorescence polymerase chain reaction (QF-PCR)...
April 10, 2017: Zhonghua Yi Xue Yi Chuan Xue za Zhi, Zhonghua Yixue Yichuanxue Zazhi, Chinese Journal of Medical Genetics
https://www.readbyqxmd.com/read/28397212/-application-of-single-nucleotide-polymorphism-array-for-the-identification-of-pathogenic-copy-number-variations-in-fetuses-with-malformations-and-women-with-an-adverse-reproductive-history
#18
Jing Liu, Hui Xi, Hua Wang, Zhenjun Jia, Yuchun Zhou, Lingqian Wu
OBJECTIVE: To apply single nucleotide polymorphism microarray (SNP array) for the detection of genome-wide copy number variations(CNVs) in fetuses with malformations and women with an adverse reproductive history, and to explore the correlation of rare CNVs with the clinical manifestations. METHODS: Amniotic fluid and umbilical cord blood samples were collected from 314 women with singleton pregnancy. SNP array was performed on samples where chromosomal abnormalities were excluded after G-banding analysis...
April 10, 2017: Zhonghua Yi Xue Yi Chuan Xue za Zhi, Zhonghua Yixue Yichuanxue Zazhi, Chinese Journal of Medical Genetics
https://www.readbyqxmd.com/read/28396702/interaction-between-prenatal-pesticide-exposure-and-a-common-polymorphism-in-the-pon1-gene-on-dna-methylation-in-genes-associated-with-cardio-metabolic-disease-risk-an-exploratory%C3%A2-study
#19
Ken Declerck, Sylvie Remy, Christine Wohlfahrt-Veje, Katharina M Main, Guy Van Camp, Greet Schoeters, Wim Vanden Berghe, Helle R Andersen
BACKGROUND: Prenatal environmental conditions may influence disease risk in later life. We previously found a gene-environment interaction between the paraoxonase 1 (PON1) Q192R genotype and prenatal pesticide exposure leading to an adverse cardio-metabolic risk profile at school age. However, the molecular mechanisms involved have not yet been resolved. It was hypothesized that epigenetics might be involved. The aim of the present study was therefore to investigate whether DNA methylation patterns in blood cells were related to prenatal pesticide exposure level, PON1 Q192R genotype, and associated metabolic effects observed in the children...
2017: Clinical Epigenetics
https://www.readbyqxmd.com/read/28360945/epigenetic-signatures-of-gestational-diabetes-mellitus-on-cord-blood-methylation
#20
Larissa Haertle, Nady El Hajj, Marcus Dittrich, Tobias Müller, Indrajit Nanda, Harald Lehnen, Thomas Haaf
BACKGROUND: Intrauterine exposure to gestational diabetes mellitus (GDM) confers a lifelong increased risk for metabolic and other complex disorders to the offspring. GDM-induced epigenetic modifications modulating gene regulation and persisting into later life are generally assumed to mediate these elevated disease susceptibilities. To identify candidate genes for fetal programming, we compared genome-wide methylation patterns of fetal cord bloods (FCBs) from GDM and control pregnancies...
2017: Clinical Epigenetics
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