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Fetal transcriptome

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https://www.readbyqxmd.com/read/28813466/comprehensive-comparison-of-neonate-and-adult-human-platelet-transcriptomes
#1
Eva Caparrós-Pérez, Raúl Teruel-Montoya, Mª José López-Andreo, Mª Carmen Llanos, José Rivera, Verónica Palma-Barqueros, Jose E Blanco, Vicente Vicente, Constantino Martínez, Francisca Ferrer-Marín
Understanding the underlying mechanisms of the well-substantiated platelet hyporeactivity in neonates is of interest given their implications for the clinical management of newborns, a population at higher bleeding risk than adults (especially sick and preterm infants), as well as for gaining insight into the regulatory mechanisms of platelet biology. Transcriptome analysis is useful in identifying mRNA signatures affecting platelet function. However, human fetal/neonatal platelet transcriptome analysis has never before been reported...
2017: PloS One
https://www.readbyqxmd.com/read/28783113/-omics-in-human-colostrum-and-mature-milk-looking-to-old-data-with-new-eyes
#2
REVIEW
Flaminia Bardanzellu, Vassilios Fanos, Alessandra Reali
Human Milk (HM) is the best source for newborn nutrition until at least six months; it exerts anti-inflammatory and anti-infective functions, promotes immune system formation and supports organ development. Breastfeeding could also protect from obesity, diabetes and cardiovascular disease. Furthermore, human colostrum (HC) presents a peculiar role in newborn support as a protective effect against allergic and chronic diseases, in addition to long-term metabolic benefits. In this review, we discuss the recent literature regarding "omics" technologies and growth factors (GF) in HC and the effects of pasteurization on its composition...
August 7, 2017: Nutrients
https://www.readbyqxmd.com/read/28757165/an-efficient-platform-for-astrocyte-differentiation-from-human-induced-pluripotent-stem-cells
#3
Julia Tcw, Minghui Wang, Anna A Pimenova, Kathryn R Bowles, Brigham J Hartley, Emre Lacin, Saima I Machlovi, Rawan Abdelaal, Celeste M Karch, Hemali Phatnani, Paul A Slesinger, Bin Zhang, Alison M Goate, Kristen J Brennand
Growing evidence implicates the importance of glia, particularly astrocytes, in neurological and psychiatric diseases. Here, we describe a rapid and robust method for the differentiation of highly pure populations of replicative astrocytes from human induced pluripotent stem cells (hiPSCs), via a neural progenitor cell (NPC) intermediate. We evaluated this protocol across 42 NPC lines (derived from 30 individuals). Transcriptomic analysis demonstrated that hiPSC-astrocytes from four individuals are highly similar to primary human fetal astrocytes and characteristic of a non-reactive state...
August 8, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/28750298/global-gene-expression-changes-of-amniotic-fluid-cell-free-rna-according-to-fetal-development
#4
Ji Hyon Jang, Yong Wook Jung, Sung Han Shim, Yun Jeong Sin, Kyoung Jin Lee, Sung Shin Shim, Eun Hee Ahn, Dong Hyun Cha
OBJECTIVE: This study aimed to evaluate the effect of in utero fetal development on the cell-free transcriptome of amniotic fluid by analyzing global gene expression in the amniotic fluid supernatant obtained at different gestational ages from euploid fetuses STUDY DESIGN: Thirteen amniotic fluid samples were obtained from five individuals at 28 gestational weeks and eight individuals at full term pregnancy. Transcriptome data previously analyzed by our group from 14 euploid mid-trimester amniotic fluid samples were used for comparative analysis...
July 15, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28749819/engraftment-and-repopulation-potential-of-late-gestation-fetal-rat-hepatocytes
#5
Joan M Boylan, Heather Francois-Vaughan, Philip A Gruppuso, Jennifer A Sanders
BACKGROUND: The limited availability of donor organs has led to a search for alternatives to liver transplantation to restore liver function and bridge patients to transplantation. We have shown that the proliferation of late gestation (embryonic day 19; ED19) fetal rat hepatocytes is mitogen-independent, and that mechanisms regulating of mRNA translation, cell cycle progression and gene expression differ from those of adult rat hepatocytes. In the present study, we investigated whether E19 fetal hepatocytes can engraft and repopulate an injured adult liver...
July 27, 2017: Transplantation
https://www.readbyqxmd.com/read/28747528/embryo-implantation-evolved-from-an-ancestral-inflammatory-attachment-reaction
#6
Oliver W Griffith, Arun R Chavan, Stella Protopapas, Jamie Maziarz, Roberto Romero, Gunter P Wagner
The molecular changes that support implantation in eutherian mammals are necessary to establish pregnancy. In marsupials, pregnancy is relatively short, and although a placenta does form, it is present for only a few days before parturition. However, morphological changes in the uterus of marsupials at term mimic those that occur during implantation in humans and mice. We investigated the molecular similarity between term pregnancy in the marsupials and implantation in eutherian mammals using the gray short-tailed opossum (Monodelphis domestica) as a model...
July 26, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28740077/footprint-free-human-fetal-foreskin-derived-ipscs-a-tool-for-modeling-hepatogenesis-associated-gene-regulatory-networks
#7
Peggy Matz, Wasco Wruck, Beatrix Fauler, Diran Herebian, Thorsten Mielke, James Adjaye
Induced pluripotent stem cells (iPSCs) are similar to embryonic stem cells and can be generated from somatic cells. We have generated episomal plasmid-based and integration-free iPSCs (E-iPSCs) from human fetal foreskin fibroblast cells (HFF1). We used an E-iPSC-line to model hepatogenesis in vitro. The HLCs were characterized biochemically, i.e. glycogen storage, ICG uptake and release, UREA and bile acid production, as well as CYP3A4 activity. Ultra-structure analysis by electron microscopy revealed the presence of lipid and glycogen storage, tight junctions and bile canaliculi- all typical features of hepatocytes...
July 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28735706/amniotic-fluid-transcriptomics-reflects-novel-disease-mechanisms-in-fetuses-with-myelomeningocele
#8
Tomo Tarui, Aimee Kim, Alan Flake, Lauren McClain, John Stratigis, Inbar Fried, Rebecca Newman, Donna K Slonim, Diana W Bianchi
BACKGROUND: Cell-free RNA in amniotic fluid supernatant reflects developmental changes in gene expression in the living fetus, which includes genes that are specific to the central nervous system. Although it has been previously shown that central nervous system-specific transcripts are present in amniotic fluid supernatant, it is not known whether changes in the amniotic fluid supernatant transcriptome reflect the specific pathophysiologic condition of fetal central nervous system disorders...
July 20, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28728371/expression-of-fox-related-genes-in-the-skin-follicles-of-inner-mongolia-cashmere-goat
#9
Wenjing Han, Xiaoyan Li, Lele Wang, Honghao Wang, Kun Yang, Zhixin Wang, Ruijun Wang, Rui Su, Zhihong Liu, Yanhong Zhao, Yanjun Zhang, Jinquan Li
Objective: The aim of this study was to investigate the expression of genes in cashmere goats at different periods of their fetal development. Methods: Bioinformatics analysis was used to evaluate data obtained by transcriptome sequencing of fetus skin samples collected from Inner Mongolia cashmere goats on days 45, 55, and 65 of fetal age. Results: We found that FoxN1, FoxE1, and FoxI3 genes of the Fox gene family were probably involved in the growth and development of the follicle and the formation of hair, which is consistent with previous findings...
June 27, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28724449/novel-promoters-and-coding-first-exons-in-dlg2-linked-to-developmental-disorders-and-intellectual-disability
#10
Claudio Reggiani, Sandra Coppens, Tayeb Sekhara, Ivan Dimov, Bruno Pichon, Nicolas Lufin, Marie-Claude Addor, Elga Fabia Belligni, Maria Cristina Digilio, Flavio Faletra, Giovanni Battista Ferrero, Marion Gerard, Bertrand Isidor, Shelagh Joss, Florence Niel-Bütschi, Maria Dolores Perrone, Florence Petit, Alessandra Renieri, Serge Romana, Alexandra Topa, Joris Robert Vermeesch, Tom Lenaerts, Georges Casimir, Marc Abramowicz, Gianluca Bontempi, Catheline Vilain, Nicolas Deconinck, Guillaume Smits
BACKGROUND: Tissue-specific integrative omics has the potential to reveal new genic elements important for developmental disorders. METHODS: Two pediatric patients with global developmental delay and intellectual disability phenotype underwent array-CGH genetic testing, both showing a partial deletion of the DLG2 gene. From independent human and murine omics datasets, we combined copy number variations, histone modifications, developmental tissue-specific regulation, and protein data to explore the molecular mechanism at play...
July 19, 2017: Genome Medicine
https://www.readbyqxmd.com/read/28708523/timing-of-transcriptomic-and-proteomic-changes-in-the-bovine-placentome-after-parturition
#11
Anthony K McNeel, Jeff D Ondrak, Olivia L Amundson, Tara H Fountain, Elane C Wright, Katherine J Whitman, Carol G Chitko-McKown, Shuna A Jones, Chadwick C Chase, Robert A Cushman
Proper post-partum reproductive performance is important for reproductive efficiency in beef cows, and dystocia decreases post-partum fertility. Crossbred beef cows (n = 1676) were evaluated for lifetime performance based on degree of dystocia at presentation of the first calf. Cows that experienced moderate or severe dystocia produced fewer calves during their productive life (P < 0.01). The exact mechanism is unclear, but may be due to the contributions of dystocia to abnormal placental separation...
May 27, 2017: Theriogenology
https://www.readbyqxmd.com/read/28698620/human-platelet-lysate-versus-fetal-calf-serum-these-supplements-do-not-select-for-different-mesenchymal-stromal-cells
#12
Eduardo Fernandez-Rebollo, Birgit Mentrup, Regina Ebert, Julia Franzen, Giulio Abagnale, Torsten Sieben, Alina Ostrowska, Per Hoffmann, Pierre-François Roux, Björn Rath, Michele Goodhardt, Jean-Marc Lemaitre, Oliver Bischof, Franz Jakob, Wolfgang Wagner
Culture medium of mesenchymal stromal cells (MSCs) is usually supplemented with either human platelet lysate (HPL) or fetal calf serum (FCS). Many studies have demonstrated that proliferation and cellular morphology are affected by these supplements - it is therefore important to determine if they favor outgrowth of different subpopulations and thereby impact on the heterogeneous composition of MSCs. We have isolated and expanded human bone marrow-derived MSCs in parallel with HPL or FCS and demonstrated that HPL significantly increases proliferation and leads to dramatic differences in cellular morphology...
July 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28698279/zika-virus-persistently-infects-and-is-basolaterally-released-from-primary-human-brain-microvascular-endothelial-cells
#13
Megan C Mladinich, John Schwedes, Erich R Mackow
Zika virus (ZIKV) is a mosquito-borne Flavivirus that has emerged as the cause of encephalitis and fetal microencephaly in the Americas. ZIKV uniquely persists in human bodily fluids for up to 6 months, is sexually transmitted, and traverses the placenta and the blood-brain barrier (BBB) to damage neurons. Cells that support persistent ZIKV replication and mechanisms by which ZIKV establishes persistence remain enigmatic but central to ZIKV entry into protected neuronal compartments. The endothelial cell (EC) lining of capillaries normally constrains transplacental transmission and forms the BBB, which selectively restricts access of blood constituents to neurons...
July 11, 2017: MBio
https://www.readbyqxmd.com/read/28693893/emerging-role-for-dysregulated-decidualization-in-the-genesis-of-preeclampsia
#14
Kirk P Conrad, Maria Belen Rabaglino, Emiel D Post Uiterweer
In normal human placentation, uterine invasion by trophoblast cells and subsequent spiral artery remodeling depend on cooperation among fetal trophoblasts and maternal decidual, myometrial, immune and vascular cells in the uterine wall. Therefore, aberrant function of anyone or several of these cell-types could theoretically impair placentation leading to the development of preeclampsia. Because trophoblast invasion and spiral artery remodeling occur during the first half of pregnancy, the molecular pathology of fetal placental and maternal decidual tissues following delivery may not be informative about the genesis of impaired placentation, which transpired months earlier...
June 9, 2017: Placenta
https://www.readbyqxmd.com/read/28693416/whole-transcriptome-analysis-delineates-the-human-placenta-gene-network-and-its-associations-with-fetal-growth
#15
Maya A Deyssenroth, Shouneng Peng, Ke Hao, Luca Lambertini, Carmen J Marsit, Jia Chen
BACKGROUND: The placenta is the principal organ regulating intrauterine growth and development, performing critical functions on behalf of the developing fetus. The delineation of functional networks and pathways driving placental processes has the potential to provide key insight into intrauterine perturbations that result in adverse birth as well as later life health outcomes. RESULTS: We generated the transcriptome-wide profile of 200 term human placenta using the Illumina HiSeq 2500 platform and characterized the functional placental gene network using weighted gene coexpression network analysis (WGCNA)...
July 10, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28679164/maternal-placenta-modulates-a-deleterious-fetal-mutation
#16
Hongen Xu, Hubert Pausch, Heli Venhoranta, Karolina Rutkowska, Christine Wurmser, Beate Rieblinger, Tatiana Flisikowska, Dmitrij Frishman, Lech Zwierzchowski, Ruedi Fries, Magnus Andersson, Alexander Kind, Angelika Schnieke, Krzysztof Flisikowski
Intrauterine growth restriction (IUGR) is caused by dysregulation of placental metabolism. Paternally inherited IUGR mutations in the fetus influence maternal physiology via the placenta. However, it is not known whether the maternal placenta also affects the extent of IUGR in such fetuses. In cattle and other ruminants, maternal-fetal communication occurs primarily at the placentomes. We previously identified a 3' deletion in the non-coding MIMT1 gene that, when inherited from the sire, causes IUGR and late abortion in Ayshire cattle with variable levels of severity...
June 29, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28673325/maternal-intake-of-high-n-6-polyunsaturated-fatty-acid-diet-during-pregnancy-causes-transgenerational-increase-in-mammary-cancer-risk-in-mice
#17
Nguyen M Nguyen, Fabia de Oliveira Andrade, Lu Jin, Xiyuan Zhang, Madisa Macon, M Idalia Cruz, Carlos Benitez, Bryan Wehrenberg, Chao Yin, Xiao Wang, Jianhua Xuan, Sonia de Assis, Leena Hilakivi-Clarke
BACKGROUND: Maternal and paternal high-fat (HF) diet intake before and/or during pregnancy increases mammary cancer risk in several preclinical models. We studied if maternal consumption of a HF diet that began at a time when the fetal primordial germ cells travel to the genital ridge and start differentiating into germ cells would result in a transgenerational inheritance of increased mammary cancer risk. METHODS: Pregnant C57BL/6NTac mouse dams were fed either a control AIN93G or isocaloric HF diet composed of corn oil high in n-6 polyunsaturated fatty acids between gestational days 10 and 20...
July 3, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/28671202/transcriptome-dynamics-of-human-pluripotent-stem-cell-derived-contracting-cardiomyocytes-using-an-embryoid-body-model-with-fetal-bovine-serum
#18
Kwang Bo Jung, Ye Seul Son, Hana Lee, Cho-Rok Jung, Janghwan Kim, Mi-Young Son
Cardiomyocyte (CM) differentiation techniques for generating adult-like mature CMs remain imperfect, and the plausible underlying mechanisms remain unclear; however, there are a number of current protocols available. Here, to explore the mechanisms controlling cardiac differentiation, we analyzed the genome-wide transcription dynamics occurring during the differentiation of human pluripotent stem cells (hPSCs) into CMs using embryoid body (EB) formation. We optimized and updated the protocol to efficiently generate contracting CMs from hPSCs by adding fetal bovine serum (FBS) as a medium supplement, which could have a significant impact on the efficiency of cardiac differentiation...
July 25, 2017: Molecular BioSystems
https://www.readbyqxmd.com/read/28661560/pregnancy-and-spontaneous-fetal-loss-a-pig-perspective
#19
REVIEW
Mallikarjun Bidarimath, Chandrakant Tayade
Pigs have a unique, non-invasive epitheliochorial placenta where maternal and fetal layers lay in apposition. Indentation of fetal capillaries into the trophoblasts and maternal capillaries into the uterine epithelium reduce the distance between the fetal and maternal blood, ensuring nutrient transfer for proper conceptus development. Another unique feature of pig pregnancy is conceptus-mediated immune cell enrichment during the early stages of conceptus attachment (around gestation Day 15). This period coincides with the development of vasculature networks at the maternal-fetal interface, which is critical for successful conceptus growth...
June 29, 2017: Molecular Reproduction and Development
https://www.readbyqxmd.com/read/28626076/cardiac-fibroblast-transcriptome-analyses-support-a-role-for-interferogenic-profibrotic-and-inflammatory-genes-in-anti-ssa-ro-associated-congenital-heart-block
#20
Robert M Clancy, Androo J Markham, Tanisha Jackson, Sara E Rasmussen, Miroslav Blumenberg, Jill P Buyon
The signature lesion of SSA/Ro autoantibody-associated congenital heart block (CHB) is fibrosis and a macrophage infiltrate, supporting an experimental focus on cues influencing the fibroblast component. The transcriptomes of human fetal cardiac fibroblasts were analyzed using two complementary approaches. Cardiac injury conditions were simulated in vitro by incubating human fetal cardiac fibroblasts with supernatants from macrophages transfected with the SSA/Ro-associated hY3. The top ten upregulated transcripts in the stimulated fibroblasts reflected a type I interferon (IFN) response (e...
June 16, 2017: American Journal of Physiology. Heart and Circulatory Physiology
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