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fetal cytomegalovirus

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https://www.readbyqxmd.com/read/29119569/the-utility-of-fetal-neurosonography-and-brain-mri-in-cases-of-cytomegalovirus-infection-during-pregnancy-a-retrospective-analysis-with-outcome-correlation
#1
Roee Birnbaum, Liat Ben-Sira, Tally Lerman-Sagie, Gustavo Malinger
OBJECTIVE: To analyze ultrasound and MRI results and developmental outcome in cases of maternal primary CMV infection during pregnancy. METHODS: We retrospectively reviewed the results of fetal neurosonography and brain MRI of CMV infected fetuses (Group 1). Cases of maternal infection in which the fetal status was unknown, and subsequently had a negative CMV postnatal urine analysis, were independently analyzed (Group 2). Imaging results were classified as: positive, negative or inconclusive...
November 8, 2017: Prenatal Diagnosis
https://www.readbyqxmd.com/read/29114247/elusive-role-of-the-cd94-nkg2c-nk-cell-receptor-in-the-response-to-cytomegalovirus-novel-experimental-observations-in-a-reporter-cell-system
#2
Aldi Pupuleku, Marcel Costa-García, Domènec Farré, Hartmut Hengel, Ana Angulo, Aura Muntasell, Miguel López-Botet
Human cytomegalovirus (HCMV) infection promotes the differentiation and persistent expansion of a mature NK cell subset, which displays high surface levels of the activating CD94/NKG2C NK cell receptor, together with additional distinctive phenotypic and functional features. The mechanisms underlying the development of adaptive NK cells remain uncertain but some observations support the involvement of a cognate interaction of CD94/NKG2C with ligand(s) displayed by HCMV-infected cells. To approach this issue, the heterodimer and its adaptor (DAP12) were expressed in the human Jurkat leukemia T cell line; signaling was detected by transfection of a reporter plasmid encoding for Luciferase (Luc) under NFAT/AP1-dependent control...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29099873/assessing-zika-virus-replication-and-the-development-of-zika-specific-antibodies-after-a-mid-gestation-viral-challenge-in-guinea-pigs
#3
Craig J Bierle, Claudia Fernández-Alarcón, Nelmary Hernandez-Alvarado, Jason C Zabeli, Bradley C Janus, Dira S Putri, Mark R Schleiss
Primary Zika virus (ZIKV) infections that occur during pregnancy can cause spontaneous abortion and profoundly disrupt fetal development. While the full range of developmental abnormalities associated with congenital Zika syndrome is not yet known, severe cases of the syndrome can present with microcephaly, extensive neurologic and ocular damage, and pronounced joint malformations. Animal models that accurately recapitulate congenital Zika syndrome are urgently needed for vaccine development and for the study of ZIKV pathogenesis...
2017: PloS One
https://www.readbyqxmd.com/read/29022925/anti-cytomegalovirus-immunoglobulin-m-titer-for-congenital-infection-in-first-trimester-pregnancy-with-primary-infection-a-multicenter-prospective-cohort-study
#4
K Toriyabe, F Morikawa, T Minematsu, M Ikejiri, S Suga, T Ikeda
OBJECTIVE: We evaluated cytomegalovirus (CMV) immunoglobulin M (IgM) titer in pregnant women with primary infection as a predictive factor for congenital infection. STUDY DESIGN: Maternal CMV antibody screening during the first trimester was conducted prospectively at 16 centers in Japan between September 2013 and 2015. Women with confirmed maternal primary infection underwent testing for fetal congenital infection, and we investigated the positive predictive value of CMV IgM titer levels for congenital infection in women with a low IgG avidity...
October 12, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/29020825/the-yield-of-the-prenatal-work-up-in-intrauterine-growth-restriction-and-the-spectrum-of-fetal-abnormalities-detected-postnatally
#5
Rivka Sukenik-Halevy, Adi Katz, Rivka Regev, Ofer Markovitch, Reuven Sharony, Yael Ganor Paz, Tal Biron-Shental
OBJECTIVE: To evaluate the yield of work-up in intrauterine growth restriction (IUGR) pregnancies and their outcomes. MATERIALS AND METHODS: Retrospective data regarding prenatal work-up (serology, genetic testing and imaging), and neonatal outcomes of 198 IUGR pregnancies (estimated fetal weight < 10th percentile) were analyzed. RESULTS: IUGR was isolated in 72. Work-up performed in 158 (80%) cases was positive in 4 (2.5%). No abnormalities were detected in prenatal genetic testing...
October 11, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29020188/human-cytomegalovirus-specific-memory-cd4-t-cell-response-and-its-correlation-with-virus-transmission-to-the-fetus-in-pregnant-women-with-primary-infection
#6
Chiara Fornara, Irene Cassaniti, Maurizio Zavattoni, Milena Furione, Kodjo M G Adzasehoun, Annalisa De Silvestri, Giuditta Comolli, Fausto Baldanti
Background: Primary human cytomegalovirus (HCMV) infection during pregnancy is the major cause of congenital viral sequelae. The HCMV-specific T-cell response may have a role in the prevention of virus transmission to the fetus. Methods: HCMV-specific memory T cells were investigated in the second month after primary infection onset in 44 pregnant women (15 transmitting the infection to the fetus) and 8 pregnant women with remote infection. Peripheral blood mononuclear cells were stimulated for 12 days with peptide pools of HCMV proteins IE-1, IE-2, and pp65, and subsequently restimulated for 24 hours with the same peptide pools in a cultured enzyme-linked immunospot (ELISPOT) assay...
July 20, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28980148/the-pathogenesis-of-microcephaly-resulting-from-congenital-infections-why-is-my-baby-s-head-so-small
#7
REVIEW
L D Frenkel, F Gomez, F Sabahi
The emergence of Zika-virus-associated congenital microcephaly has engendered renewed interest in the pathogenesis of microcephaly induced by infectious agents. Three of the original "TORCH" agents are associated with an appreciable incidence of congenital microcephaly: cytomegalovirus, rubella virus, and Toxoplasma gondii. The pathology of congenital microcephaly is characterized by neurotropic infectious agents that involve the fetal nervous system, leading to brain destruction with calcifications, microcephaly, sensorineural hearing loss, and ophthalmologic abnormalities...
October 5, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28978246/prevention-and-treatment-of-fetal-cytomegalovirus-infection-with-cytomegalovirus-hyperimmune-globulin-a-multicenter-study-in-madrid
#8
Daniel Blázquez-Gamero, Alberto Galindo Izquierdo, Teresa Del Rosal, Fernando Baquero-Artigao, Nuria Izquierdo Méndez, María Soriano-Ramos, Pablo Rojo Conejo, María Isabel González-Tomé, Antonio García-Burguillo, Noelia Pérez Pérez, Virginia Sánchez, Jose Tomás Ramos-Amador, Maria De la Calle
INTRODUCTION: Cytomegalovirus (CMV) is the leading cause of congenital infection worldwide. Data about the management of CMV infection in pregnant women are scarce, and treatment options are very limited. The aim of the study is to investigate the effectiveness of cytomegalovirus hyperimmune globulin (CMV-HIG) for the prevention and treatment of congenital CMV (cCMV) infection. MATERIALS AND METHODS: A retrospective observational study was conducted in three tertiary hospitals in Madrid...
October 26, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28976995/knowledge-of-congenital-cytomegalovirus-ccmv-among-physical-and-occupational-therapists-in-the-united-states
#9
Kathleen M Muldoon, Amy Armstrong-Heimsoth, Jodi Thomas
Congenital cytomegalovirus (cCMV) infections cause more children to have permanent disabilities than Down Syndrome, Fetal Alcohol Syndrome, Spina Bifida, and pediatric HIV/AIDS combined. The risk of infection during pregnancy can be significantly decreased using universal precautions, such as thorough handwashing and cleansing of surfaces and objects that have come into contact with infected body fluids. Children under 3 years of age are commonly asymptomatic excretors of CMV, with the highest viral loads present in saliva...
2017: PloS One
https://www.readbyqxmd.com/read/28956761/apobec3a-is-upregulated-by-human-cytomegalovirus-in-the-maternal-fetal-interface-acting-as-an-innate-anti-hcmv-effector
#10
Yiska Weisblum, Esther Oiknine-Djian, Zichria Zakay-Rones, Olesya Vorontsov, Ronit Haimov-Kochman, Yuval Nevo, David Stockheim, Simcha Yagel, Amos Panet, Dana G Wolf
Human cytomegalovirus (HCMV) is the leading cause of congenital infection, associated with a wide range of neurodevelopmental disabilities and intrauterine growth restriction. Yet, our current understanding of the mechanisms modulating trans-placental HCMV transmission has remained poor. The placenta, given its critical function in protecting the fetus, has evolved effective yet largely uncharacterized innate immune barriers against invading pathogens. Here we show that the intrinsic cellular restriction factor APOBEC3A (A3A) is profoundly upregulated following ex vivo HCMV infection in human decidual tissues - constituting the maternal aspect of the placenta...
September 27, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28840519/neighborhood-disadvantage-is-associated-with-high-cytomegalovirus-seroprevalence-in-pregnancy
#11
Paul M Lantos, Kate Hoffman, Sallie R Permar, Pearce Jackson, Brenna L Hughes, Amy Kind, Geeta Swamy
BACKGROUND: Cytomegalovirus (CMV) is the most common infectious cause of fetal malformations and childhood hearing loss. CMV is more common among socially disadvantaged groups, and geographically clusters in poor communities. The Area Deprivation Index (ADI) is a neighborhood-level index derived from census data that reflects material disadvantage. METHODS: We performed a geospatial analysis to determine if ADI predicts the local odds of CMV seropositivity. We analyzed a dataset of 3527 women who had been tested for CMV antibodies during pregnancy...
August 24, 2017: Journal of Racial and Ethnic Health Disparities
https://www.readbyqxmd.com/read/28825766/trends-in-continuity-of-pregnancy-in-women-with-positive-cytomegalovirus-igm-during-the-first-trimester-2008-2009
#12
Ron Beloosesky, Ilana Feldblum, Alon Shrim, Jenny Kertes, Jacob Segal, Rachel Bachar, Yefet Youval
BACKGROUND: Cytomegalovirus (CMV) infection during pregnancy is the most common cause of intrauterine infection, and is a common cause of sensorineural hearing loss and mental retardation. OBJECTIVES: To evaluate trends in amniocentesis and pregnancy outcome in women with suspected cytomegalovirus (CMV) infection during the first trimester. METHODS: All blood tests for CMV immunoglobulin M (IgM) done between 2008 and 2009 on pregnant women who were enrolled in the Maccabi Healthcare Services were retrieved from laboratory database...
August 2017: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/28780216/neuroimaging-findings-of-congenital-toxoplasmosis-cytomegalovirus-and-zika-virus-infections-a-comparison-of-three-cases
#13
Heron Werner, Pedro Daltro, Tatiana Fazecas, Mohammad Zare Mehrjardi, Edward Araujo Júnior
OBJECTIVE: Toxoplasmosis, cytomegalovirus (CMV), and Zika virus (ZIKV) are among the common infectious agents that may infect the fetuses vertically. Clinical presentations of these congenital infections overlap significantly, and it is usually impossible to determine the causative agent clinically. The objective was the comparison of neuroimaging findings in three fetuses who underwent intrauterine infection by toxoplasmosis, CMV, and ZIKV. METHODS: Three confirmed cases of congenital toxoplasmosis, CMV, and ZIKV infections were included in the study over 7 months prospectively...
August 2, 2017: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/28750047/human-cytomegalovirus-ie1-downregulates-hes1-in-neural-progenitor-cells-as-a-potential-e3-ubiquitin-ligase
#14
Xi-Juan Liu, Bo Yang, Sheng-Nan Huang, Cong-Cong Wu, Xiao-Jun Li, Shuang Cheng, Xuan Jiang, Fei Hu, Ying-Zi Ming, Michael Nevels, William J Britt, Simon Rayner, Qiyi Tang, Wen-Bo Zeng, Fei Zhao, Min-Hua Luo
Congenital human cytomegalovirus (HCMV) infection is the leading cause of neurological disabilities in children worldwide, but the mechanisms underlying these disorders are far from well-defined. HCMV infection has been shown to dysregulate the Notch signaling pathway in human neural progenitor cells (NPCs). As an important downstream effector of Notch signaling, the transcriptional regulator Hairy and Enhancer of Split 1 (Hes1) is essential for governing NPC fate and fetal brain development. In the present study, we report that HCMV infection downregulates Hes1 protein levels in infected NPCs...
July 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28737006/unrecognized-viral-infections-and-chromosome-abnormalities-as-a-cause-of-fetal-death-examination-with-fluorescence-in%C3%A2-situ-hybridization-immunohistochemistry-and-polymerase-chain-reaction
#15
Bente Ediassen Opsjøn, Svein Arne Nordbø, Christina Vogt
Fifteen to 50% of fetal deaths remain unexplained after post-mortem examination depending on inclusion criteria and classification systems. Our aim was to examine a selection of unexplained fetal deaths in order to investigate whether any common chromosome aberrations or viral infections were present. Reports from 351 fetal autopsies performed at the Department of Pathology and Medical Genetics at St. Olavs University Hospital from 2001 through 2010 were reviewed. Of these, 105 fetal deaths were classified as unexplained...
September 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28733760/intrauterine-therapy-of-cytomegalovirus-infection-with-valganciclovir-review-of-the-literature
#16
REVIEW
Vera Seidel, Cornelia Feiterna-Sperling, Jan-Peter Siedentopf, Jörg Hofmann, Wolfgang Henrich, Christoph Bührer, Katharina Weizsäcker
Congenital cytomegalovirus (CMV) infection is the leading cause for sensorineural hearing loss and mental retardation in children without genetic diseases worldwide. There is little evidence guiding therapeutic strategies during pregnancy when intrauterine fetal CMV infection is confirmed. We provide a systematic review of the use of ganciclovir (GCV) or VGCV during pregnancy discussing safety of its use for mother and fetus and describe two cases of intrauterine therapy of fetal CMV infection with valganciclovir (VGCV)...
July 21, 2017: Medical Microbiology and Immunology
https://www.readbyqxmd.com/read/28693346/cytomegalovirus-cmv-infection-and-pregnancy-potential-for-improvements-in-australasian-maternity-health-providers-knowledge
#17
A W Shand, W Luk, N Nassar, L Hui, K Dyer, W Rawlinson
PURPOSE: To assess the knowledge, practice and attitudes of maternity clinicians regarding congenital cytomegalovirus (CMV). It is the most common congenital infection, and well-recognized cause of neurodevelopmental disability and hearing loss. New consensus recommendations state all pregnant women and health-care providers should be educated about congenital CMV infection and preventive measures. MATERIALS AND METHODS: An email questionnaire was distributed in October 2015 to specialists, diplomates (general practitioners), and trainees of the Royal Australian New Zealand College of Obstetricians and Gynaecologists (RANZCOG), and Victorian and New South Wales midwives...
July 11, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28679960/preexisting-antibodies-can-protect-against-congenital-cytomegalovirus-infection-in-monkeys
#18
Cody S Nelson, Diana Vera Cruz, Dollnovan Tran, Kristy M Bialas, Lisa Stamper, Huali Wu, Margaret Gilbert, Robert Blair, Xavier Alvarez, Hannah Itell, Meng Chen, Ashlesha Deshpande, Flavia Chiuppesi, Felix Wussow, Don J Diamond, Nathan Vandergrift, Mark R Walter, Peter A Barry, Michael Cohen-Wolkowiez, Katia Koelle, Amitinder Kaur, Sallie R Permar
Human cytomegalovirus (HCMV) is the most common congenital infection and a known cause of microcephaly, sensorineural hearing loss, and cognitive impairment among newborns worldwide. Natural maternal HCMV immunity reduces the incidence of congenital infection, but does not prevent the disease altogether. We employed a nonhuman primate model of congenital CMV infection to investigate the ability of preexisting antibodies to protect against placental CMV transmission in the setting of primary maternal infection and subsequent viremia, which is required for placental virus exposure...
July 6, 2017: JCI Insight
https://www.readbyqxmd.com/read/28649563/symptomatic-congenital-cytomegalovirus-infection-in-children-of-seropositive-women
#19
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
#20
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 antiviral agents, 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...
July 19, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
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