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fetal cytomegalovirus

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https://www.readbyqxmd.com/read/28649563/symptomatic-congenital-cytomegalovirus-infection-in-children-of-seropositive-women
#1
Ines Mack, Marie-Anne Burckhardt, Ulrich Heininger, Friederike Prüfer, Sven Schulzke, Sven Wellmann
Cytomegalovirus (CMV) is the most frequent congenital virus infection worldwide. The risk of congenital CMV (cCMV) transmission is highest in seronegative women who acquire primary CMV infection during pregnancy. A growing body of evidence indicates that secondary CMV infections in pregnant women with preconceptual immunity (either through reactivation of latent virus or re-infection with a new strain of CMV) contribute to a much greater proportion of symptomatic cCMV than was previously thought. Here, we describe a case of symptomatic cCMV infection in the newborn of a woman with proven immunity prior to pregnancy...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28630251/valnoctamide-inhibits-cytomegalovirus-infection-in-developing-brain-and-attenuates-neurobehavioral-dysfunctions-and-brain-abnormalities
#2
Sara Ornaghi, Lawrence S Hsieh, Angélique Bordey, Patrizia Vergani, Michael J Paidas, Anthony N van den Pol
Cytomegalovirus (CMV) is the most common infectious cause of brain defects and neurological dysfunction in developing human babies. Due to the teratogenicity and toxicity of available CMV antivirals, treatment options during early development are markedly limited. Valnoctamide (VCD), a neuroactive mood stabilizer with no known teratogenic activity, was recently demonstrated to have anti-CMV potential. However, it is not known whether this can be translated into an efficacious therapeutic effect to improve CMV-induced adverse neurological outcomes...
June 19, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28622418/severe-apparently-isolated-fetal-ventriculomegaly-and-neurodevelopmental-outcome
#3
Mathilde Letouzey, Alexandra Chadie, Marie Brasseur-Daudruy, François Proust, Eric Verspyck, Pascal Boileau, Stéphane Marret
OBJECTIVE: To assess the neurodevelopmental outcome of children with a prenatal diagnosis of apparently isolated severe ventriculomegaly (SVM). METHOD: Retrospective cohort study from 1994 to 2011. We included fetuses with unilateral or bilateral ventriculomegaly equal to or greater than 15 mm at prenatal ultrasound and confirmed by Magnetic Resonance Imaging, whose parents chose continuation of pregnancy past 22 weeks, and with no associated findings at diagnosis (i...
June 16, 2017: Prenatal Diagnosis
https://www.readbyqxmd.com/read/28612638/should-isolated-fetal-ventriculomegaly-measured-below-12%C3%A2-mm-be-viewed-as-a-variant-of-the-norm-results-of-a-5-year-experience-in-a-prenatal-referral-center
#4
Anaïs Lavongtheung, Guillaume Jedraszak, Philippe Naepels, Pierre Tourneux, Catherine Gondry-Jouet, Anne-Gaëlle L E Moing, Jean Gondry, Julien Chevreau
BACKGROUND: Fetal ventriculomegaly (VM) is defined as lateral ventricles measured above 10 mm. Some authors believe VM < 12 mm are variants of the norm and needn't be addressed for referral ultrasound. METHODS: A retrospective continuous cohort study of 127 confirmed fetal VM was divided in 3 groups after initial referral sonographic assessment: isolated VM < 12 mm (group A), isolated VM ≥ 12 mm (group B), and VM associated with other malformations (group C)...
June 14, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28606416/intrauterine-fetal-death-due-to-congenital-cytomegalovirus-cmv-infection
#5
Stefano Licci
No abstract text is available yet for this article.
June 9, 2017: Brazilian Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28605518/public-health-impact-of-congenital-toxoplasmosis-and-cytomegalovirus-infection-in-belgium-2013-a-systematic-review-and-data-synthesis
#6
G Suzanne A Smit, Elizaveta Padalko, Jos Van Acker, Niel Hens, Pierre Dorny, Niko Speybroeck, Brecht Devleesschauwer
Congenital toxoplasmosis (CT) and cytomegalovirus infection (cCMV) may cause significant morbidity and even fetal or neonatal mortality. We aimed to quantify the disease burden of CT and cCMV in Belgium in terms of disability-adjusted life years (DALYs) and identify data gaps. The public health impact of CT and cCMV in Belgium in 2013 was 188 (95% uncertainty interval [UI], 43-419) and 1976 (95% UI, 757-4067) DALYs, respectively. The major data gaps identified were representative Belgian studies; information on important sequelae, intrauterine mortality, and termination of pregnancy; and late onset sequelae...
June 12, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28547981/placental-infectious-villitis-versus-villitis-of-unknown-etiology
#7
Jerzy Stanek
To assess the incidence, diagnosis, pathogenesis, and clinical and placental associations of congenital cytomegalovirus infection, 34 cases thereof diagnosed by placental/fetal or neonatal workup (group 1), and 494 placentas with villitis of unknown etiology (group 2) were extracted from a 6083-case placental database. 28 clinical and 47 placental phenotypes were compared between the two groups by Yates 2 or ANOVA using the Bonferroni correction. 26 group 1 cases did and 8 did not feature placental villitis, but all cases were positive as shown by immunohistochemistry and/or in situ hybridization...
2017: Polish Journal of Pathology: Official Journal of the Polish Society of Pathologists
https://www.readbyqxmd.com/read/28539446/infectious-prions-in-the-pregnancy-microenvironment-of-cwd-infected-reeves-muntjac-deer
#8
Amy V Nalls, Erin McNulty, Clare E Hoover, Laura A Pulscher, Edward A Hoover, Candace K Mathiason
Ample evidence exists for the presence of infectious agents at the maternal-fetal interface, often with grave outcomes to the developing fetus (i.e. zika virus, brucella, cytomegalovirus, toxoplasma). While less studied, pregnancy-related transmissible spongiform encephalopathies (TSEs) have been implicated in several species, including humans. Our previous work has shown that prions can be transferred from mother-to-offspring resulting in the development of clinical TSE disease in offspring born to CWD-infected muntjac dams (64)...
May 24, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28532528/hepatic-calcifications-in-fetal-population-studied-by-autopsies-in-bogota-colombia
#9
M Olaya-C, S Aldana-M, M Maya-G, F Gil
Fetal hepatic calcifications can be caused by infections, chromosomal disorders, thrombotic events, ischemic hepatic necrosis and subcapsular hematomas among others events. Its features and clinical significance are still not well known. We performed an observational study to describe fetal hepatic calcifications and its association with main clinical and histopathological findings from the fetal autopsy database, between 2007 and 2014. Raw odds ratio analysis was performed. We reviewed 591 fetal autopsies: 14 cases with hepatic calcifications, 102 fetuses with chromosomal disorders; 13 with diagnosis of TORSCH (toxoplasma, rubella, syphilis, cytomegalovirus, herpes virus 1 and 2, and others) and 207 with any abnormality in the umbilical cord (UC)...
May 23, 2017: Journal of Developmental Origins of Health and Disease
https://www.readbyqxmd.com/read/28522662/apparent-diffusion-coefficient-value-changes-and-clinical-correlation-in-90-cases-of-cytomegalovirus-infected-fetuses-with-unremarkable-fetal-mri-results
#10
D Kotovich, J S B Guedalia, C Hoffmann, G Sze, A Eisenkraft, G Yaniv
BACKGROUND AND PURPOSE: Cytomegalovirus is the leading intrauterine infection. Fetal MR imaging is an accepted tool for fetal brain evaluation, yet it still lacks the ability to accurately predict the extent of the neurodevelopmental impairment, especially in fetal MR imaging scans with unremarkable findings. Our hypothesis was that intrauterine cytomegalovirus infection causes diffusional changes in fetal brains and that those changes may correlate with the severity of neurodevelopmental deficiencies...
May 18, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28508343/cytomegalovirus-infection-in-pregnancy
#11
REVIEW
Karl Oliver Kagan, Klaus Hamprecht
PURPOSE: Due to the severe risk of long-term sequelae, prenatal cytomegalovirus infection is of particular importance amongst intrauterine viral infections. This review summarizes the current knowledge about CMV infection in pregnancy. METHODS: A search of the Medline and Embase database was done for articles about CMV infection in pregnany. We performed a detailed review of the literature in view of diagnosis, epidemiology and management of CMV infection in pregnancy...
July 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28487016/the-expression-level-of-c19mc-mirnas-in-early-pregnancy-and-in-response-to-viral-infection
#12
Tina M F Dumont, Jean-Francois Mouillet, Avaraham Bayer, Christina L Gardner, William B Klimstra, Dana G Wolf, Simcha Yagel, Fabiola Balmir, Anna Binstock, Joseph S Sanfilippo, Carolyn B Coyne, Jacob C Larkin, Yoel Sadovsky
INTRODUCTION: We have previously shown that miRNAs produced from the Chromosome 19 MiRNA Cluster (C19MC), which are expressed almost exclusively in primate trophoblasts and are released into the maternal circulation, reduce viral replication in non-placental cells and can modulate migratory behavior of extravillous trophoblast. We sought to define the expression pattern of C19MC miRNA in early pregnancy and in response to viral infection in vitro and in vivo. METHODS: We prospectively followed women undergoing in vitro fertilization (IVF) and determined their blood level of C19MC miRNA using RT-qPCR...
May 2017: Placenta
https://www.readbyqxmd.com/read/28451898/human-cytomegalovirus-infection-dysregulates-neural-progenitor-cell-fate-by-disrupting-hes1-rhythm-and-down-regulating-its-expression
#13
Xi-Juan Liu, Xuan Jiang, Sheng-Nan Huang, Jin-Yan Sun, Fei Zhao, Wen-Bo Zeng, Min-Hua Luo
Human cytomegalovirus (HCMV) infection is a leading cause of birth defects, primarily affecting the central nervous system and causing its maldevelopment. As the essential downstream effector of Notch signaling pathway, Hes1, and its dynamic expression, plays an essential role on maintaining neural progenitor /stem cells (NPCs) cell fate and fetal brain development. In the present study, we reported the first observation of Hes1 oscillatory expression in human NPCs, with an approximately 1.5 hour periodicity and a Hes1 protein half-life of about 17 (17...
April 24, 2017: Virologica Sinica
https://www.readbyqxmd.com/read/28424684/modulation-of-human-leukocyte-antigen-c-by-human-cytomegalovirus-stimulates-kir2ds1-recognition-by-natural-killer-cells
#14
Kattria van der Ploeg, Chiwen Chang, Martin A Ivarsson, Ashley Moffett, Mark R Wills, John Trowsdale
The interaction of inhibitory killer cell Ig-like receptors (KIRs) with human leukocyte antigen (HLA) class I molecules has been characterized in detail. By contrast, activating members of the KIR family, although closely related to inhibitory KIRs, appear to interact weakly, if at all, with HLA class I. KIR2DS1 is the best studied activating KIR and it interacts with C2 group HLA-C (C2-HLA-C) in some assays, but not as strongly as KIR2DL1. We used a mouse 2B4 cell reporter system, which carries NFAT-green fluorescent protein with KIR2DS1 and a modified DAP12 adaptor protein...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28404573/cytomegalovirus-virions-shed-in-urine-have-a-reversible-block-to-epithelial-cell-entry-and-are-highly-resistant-to-antibody-neutralization
#15
Xiaohong Cui, Stuart P Adler, Mark R Schleiss, Ravit Arav-Boger, Gail J Demmler Harrison, Michael A McVoy
Cytomegalovirus (CMV) causes sensorineural hearing loss and developmental disabilities in newborns when infections are acquired in utero Pregnant women may acquire CMV from oral exposure to CMV in urine or saliva from young children. Neutralizing antibodies in maternal saliva have the potential to prevent maternal infection and, in turn, fetal infection. As CMV uses different viral glycoprotein complexes to enter different cell types, the first cells to be infected in the oral cavity could determine the type of antibodies needed to disrupt oral transmission...
June 2017: Clinical and Vaccine Immunology: CVI
https://www.readbyqxmd.com/read/28319846/presence-of-cytomegalovirus-in-urine-and-blood-of-pregnant-women-with-primary-infection-might-be-associated-with-fetal-infection
#16
Marie-Luce Delforge, Elena Costa, Françoise Brancart, Deborah Goldman, Isabel Montesinos, Siham Zaytouni, Arnaud Marchant, Catherine Donner
BACKGROUND: Cytomegalovirus (CMV) congenital infection can result from primary infection, reinfection or reactivation among pregnant women. The risk of vertical transmission is much higher in case of primary infection, and the transmission rate increases with gestational age. However there are still many questions about maternal markers that can predict whether the virus will be transmitted to the fetus. OBJECTIVES: To investigate the relationship between the presence and the quantity of CMV in urine and blood of women presenting a primary CMV infection during pregnancy and the presence of congenital infection in their offspring...
March 7, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28298291/plasmablast-response-to-primary-rhesus-cytomegalovirus-cmv-infection-in-a-monkey-model-of-congenital-cmv-transmission
#17
Qihua Fan, Cody S Nelson, Kristy M Bialas, Flavia Chiuppesi, Joshua Amos, Thaddeus C Gurley, Dawn Jones Marshall, Joshua Eudailey, Holly Heimsath, Jonathon Himes, Ashlesha Deshpande, Mark R Walter, Felix Wussow, Don J Diamond, Peter A Barry, M Anthony Moody, Amitinder Kaur, Sallie R Permar
Human cytomegalovirus (HCMV) is the most common congenital infection worldwide and the leading infectious cause of neurologic deficits and hearing loss in newborns. Development of a maternal HCMV vaccine to prevent vertical virus transmission is a high priority, yet protective maternal immune responses following acute infection are poorly understood. To characterize the maternal humoral immune response to primary CMV infection, we investigated the plasmablast and early antibody repertoire using a nonhuman primate model with two acutely rhesus CMV (RhCMV)-infected animals-a CD4(+) T cell-depleted dam that experienced fetal loss shortly after vertical RhCMV transmission and an immunocompetent dam that did not transmit RhCMV to her infant...
May 2017: Clinical and Vaccine Immunology: CVI
https://www.readbyqxmd.com/read/28259882/congenital-cytomegalovirus-infection-in-the-absence-of-maternal-cytomegalovirus-igm-antibodies
#18
Julia Gunkel, Bloeme J van der Knoop, Joppe Nijman, Linda S de Vries, Gwendolyn T R Manten, Peter G J Nikkels, Jean-Luc Murk, Johanna I P de Vries, Tom F W Wolfs
BACKGROUND: Congenital cytomegalovirus (cCMV) infections are the most prevalent intrauterine infections worldwide and are the result of maternal primary or non-primary infections. Early maternal primary infections are thought to carry the highest risk of fetal developmental abnormalities as seen by ultrasound; however, non-primary infections may prove equally detrimental. METHODS/RESULTS: This case series presents 5 cases with fetal abnormalities detected in the second and third trimester, in which cCMV infection was ruled out due to negative maternal CMV-IgM...
March 4, 2017: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/28251181/maternal-immunoreactivity-to-herpes-simplex-virus-2-and-risk-of-autism-spectrum-disorder-in-male-offspring
#19
Milada Mahic, Siri Mjaaland, Hege Marie Bøvelstad, Nina Gunnes, Ezra Susser, Michaeline Bresnahan, Anne-Siri Øyen, Bruce Levin, Xiaoyu Che, Deborah Hirtz, Ted Reichborn-Kjennerud, Synnve Schjølberg, Christine Roth, Per Magnus, Camilla Stoltenberg, Pål Surén, Mady Hornig, W Ian Lipkin
Maternal infections during pregnancy are associated with risk of neurodevelopmental disorders, including autism spectrum disorders (ASDs). Proposed pathogenetic mechanisms include fetal infection, placental inflammation, and maternal cytokines or antibodies that cross the placenta. The Autism Birth Cohort comprises mothers, fathers, and offspring recruited in Norway in 1999 to 2008. Through questionnaire screening, referrals, and linkages to a national patient registry, 442 mothers of children with ASD were identified, and 464 frequency-matched controls were selected...
January 2017: MSphere
https://www.readbyqxmd.com/read/28241924/primary-human-cytomegalovirus-hcmv-infection-in-pregnancy
#20
Horst Buxmann, Klaus Hamprecht, Matthias Meyer-Wittkopf, Klaus Friese
BACKGROUND: In 0.5-4% of pregnancies, the prospective mother sustains a primary infection with human cytomegalovirus (HCMV). An HCMV infection of the fetus in the first or second trimester can cause complex post-encephalitic impairment of the infant brain, leading to motor and mental retardation, cerebral palsy, epilepsy, retinal defects, and progressive hearing loss. METHODS: This review is based on pertinent publications from January 2000 to October 2016 that were retrieved by a selective search in PubMed employing the terms "cytomegalovirus and pregnancy" and "congenital cytomegalovirus...
January 27, 2017: Deutsches Ärzteblatt International
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