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cytomegalovirus in pregnancy

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https://www.readbyqxmd.com/read/29769344/efficient-delivery-of-hcmv-t-cell-antigens-by-attenuated-sendai-virus-vectors
#1
Richard Kiener, Markus Fleischmann, Marian Alexander Wiegand, Niels A W Lemmermann, Christiane Schwegler, Christine Kaufmann, Angelique Renzaho, Simone Thomas, Eva Felder, Hans Helmut Niller, Benedikt Asbach, Ralf Wagner
Human Cytomegalovirus (HCMV) represents a major cause of clinical complications during pregnancy as well as immunosuppression and the licensing of a protective HCMV vaccine remains an unmet global need. Herein, we designed and validated novel Sendai virus (SeV) vectors delivering T cell immunogens IE-1 and pp65. To enhance vector safety, we used a replication-deficient strain (rdSeV) that infects target cells in a non-productive manner while retaining viral gene expression. In this study, we explored the impact that transduction with rdSeV has on human dendritic cells (DCs) by comparing it to the parental, replication-competent Sendai virus strain (rcSeV) as well as the poxvirus strain Modified Vaccinia Ankara (MVA)...
May 16, 2018: Journal of Virology
https://www.readbyqxmd.com/read/29753839/platelet-transfusion-refractoriness-in-single-unit-cord-blood-transplantation-for-adults-risk-factors-and-clinical-outcomes
#2
Susumu Tanoue, Takaaki Konuma, Seiko Kato, Maki Oiwa-Monna, Masamichi Isobe, Koji Jimbo, Satoshi Takahashi, Arinobu Tojo
Platelet transfusion refractoriness (PTR) is frequently observed after allogeneic hematopoietic cell transplantation (HCT). However, the incidence of and risk factors for PTR, and impact of PTR on transplant outcomes after cord blood transplantation (CBT) have not been fully investigated. We retrospectively analyzed 185 adult patients who received single-unit CBT in our institute. The mean 16-hour corrected count increment (CCI) for the 5,840 platelet transfusions was 3.68×109 /l. Among them, 3,196 transfusions (54...
May 10, 2018: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29747736/infections-in-pregnancy-and-the-role-of-vaccines
#3
REVIEW
Kimberly B Fortner, Claudia Nieuwoudt, Callie F Reeder, Geeta K Swamy
Pregnant women are at risk for infection and may have significant morbidity or mortality. Influenza, pertussis, zika, and cytomegalovirus produce mild or asymptomatic illness in the mother, but have profound implications for her fetus. Maternal immunization can prevent or mitigate infections in pregnant women and their infants. The Advisory Committee of Immunization Practices recommends 2 vaccines during pregnancy: inactivated influenza, and tetanus toxoid, reduced diphtheria toxoid, and acellular pertussis during pregnancy...
June 2018: Obstetrics and Gynecology Clinics of North America
https://www.readbyqxmd.com/read/29735300/clinical-factor-associated-with-congenital-cytomegalovirus-infection-in-pregnant-women-with-non-primary-infection
#4
Hideto Yamada, Kenji Tanimura, Shinya Tairaku, Ichiro Morioka, Masashi Deguchi, Mayumi Morizane, Satoshi Nagamata, Kana Ozaki, Yasuhiko Ebina, Toshio Minematsu
The aim of this nested case-control study was to evaluate clinical factors associated with the occurrence of congenital cytomegalovirus (CMV) infection in pregnant women with non-primary CMV infection. In a cohort study of CMV screening for 2193 pregnant women and their newborns, seven newborns with congenital CMV infection were identified among 1287 pregnant women with non-primary CMV infection that was defined as negative IgM and positive IgG with IgG avidity index >45%. In the 1287 women with non-primary CMV infection, clinical findings and complications were compared between pregnancies with and without congenital CMV infection...
May 5, 2018: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/29729547/the-risk-of-herpes-simplex-virus-and-human-cytomegalovirus-infection-during-pregnancy-upon-adverse-pregnancy-outcomes-a-meta-analysis
#5
REVIEW
Ting-Li Shi, Li-Ju Huang, Yi-Quan Xiong, Yan-Yun Zhong, Jin-Jun Yang, Ting Fu, Xie-Fen Lei, Qing Chen
BACKGROUND AND OBJECTIVES: Herpes simplex virus (HSV) and human cytomegalovirus (HCMV) are widespread infections in humans, yet their impact on adverse pregnancy outcomes is controversial. The objective of this study was to evaluate the impact of HSV and HCMV infections during pregnancy on adverse pregnancy outcomes. METHODS: A systematic literature search was performed using Web of Science, Scopus, Medline, Embase, PubMed, and the Cochrane Library database for relevant publications up to 2nd August 2017...
April 25, 2018: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/29712861/hcmv-glycoprotein-b-subunit-vaccine-efficacy-mediated-by-nonneutralizing-antibody-effector-functions
#6
Cody S Nelson, Tori Huffman, Jennifer A Jenks, Eduardo Cisneros de la Rosa, Guanhua Xie, Nathan Vandergrift, Robert F Pass, Justin Pollara, Sallie R Permar
Human cytomegalovirus (HCMV) is the most common congenital infection worldwide, frequently causing hearing loss and brain damage in afflicted infants. A vaccine to prevent maternal acquisition of HCMV during pregnancy is necessary to reduce the incidence of infant disease. The glycoprotein B (gB) + MF59 adjuvant subunit vaccine platform is the most successful HCMV vaccine tested to date, demonstrating ∼50% efficacy in preventing HCMV acquisition in multiple phase 2 trials. However, the mechanism of vaccine protection remains unknown...
April 30, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29705613/false-human-cytomegalovirus-igg-positivity-at-prenatal-screening
#7
Milena Furione, Antonella Sarasini, Alessia Arossa, Chiara Fornara, Daniele Lilleri, Laurent Perez, Maurizio Parea, Maurizio Zavattoni, Arsenio Spinillo, Piero Marone, Fausto Baldanti
BACKGROUND: An incorrect definition of immune status to human cytomegalovirus (HCMV) can lead to incorrect management of pregnant women. OBJECTIVES: Aims of the study were: i) to describe 10 cases of unconfirmed HCMV IgG-seroconversion in pregnancy; ii) to develop a panel of confirmatory tests to define HCMV serostatus; iii) to investigate the frequency of false IgG-positive results in pregnant women screened with the LIAISON® CMVIgGII automated assay. STUDY DESIGN: Blood samples from 10 pregnant women referred for HCMV IgG-seroconversion were examined to confirm/exclude a primary infection...
April 21, 2018: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/29688863/infection-status-of-human-parvovirus-b19-cytomegalovirus-and-herpes-simplex-virus-1-2-in-women-with-first-trimester-spontaneous-abortions-in-chongqing-china
#8
Ya-Ling Gao, Zhan Gao, Miao He, Pu Liao
BACKGROUND: Infection with Parvovirus B19 (B19V), Cytomegalovirus (CMV) and Herpes Simplex Virus-1/2 (HSV-1/2) may cause fetal loses including spontaneous abortion, intrauterine fetal death and non-immune hydrops fetalis. Few comprehensive studies have investigated first-trimester spontaneous abortions caused by virus infections in Chongqing, China. Our study intends to investigate the infection of B19V, CMV and HSV-1/2 in first-trimester spontaneous abortions and the corresponding immune response...
April 23, 2018: Virology Journal
https://www.readbyqxmd.com/read/29675078/novel-rab3gap1-mutations-causing-warburg-micro-syndrome-in-two-italian-sisters
#9
Pasquale Loiudice, Debora Napoli, Maria Cristina Ragone, Marco Nardi, Giamberto Casini
This report details two novel RAB3GAP1 mutations causing Warburg Micro syndrome, a rare autosomal recessive disorder characterized by multiple organ abnormalities involving the ocular, nervous, and endocrine systems. Two Italian sisters were referred to our department for the assessment of congenital bilateral cataracts. They also presented with microphthalmia, postnatal microcephaly, severe developmental delay, and hypotony. Perinatal investigations were negative for any toxins or infectious diseases during pregnancy, including toxoplasmosis, rubella, cytomegalovirus, and herpes virus...
October 2017: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/29560263/maternal-and-fetal-cytomegalovirus-infection-diagnosis-management-and-prevention
#10
REVIEW
Robert F Pass, Ravit Arav-Boger
Congenital cytomegalovirus infection is a major cause of central nervous system and sensory impairments that affect cognition, motor function, hearing, language development, vestibular function, and vision. Although the importance of congenital cytomegalovirus infection is readily evident, the vast majority of maternal and fetal infections are not identified, even in developed countries. Multiple studies of prenatal cytomegalovirus infections have produced a body of knowledge that can inform the clinical approach to suspected or proven maternal and fetal infection...
2018: F1000Research
https://www.readbyqxmd.com/read/29559892/-in-utero-administration-of-drugs-targeting-microglia-improves-the-neurodevelopmental-outcome-following-cytomegalovirus-infection-of-the-rat-fetal-brain
#11
Robin Cloarec, Sylvian Bauer, Natacha Teissier, Fabienne Schaller, Hervé Luche, Sandra Courtens, Manal Salmi, Vanessa Pauly, Emilie Bois, Emilie Pallesi-Pocachard, Emmanuelle Buhler, François J Michel, Pierre Gressens, Marie Malissen, Thomas Stamminger, Daniel N Streblow, Nadine Bruneau, Pierre Szepetowski
Congenital cytomegalovirus (CMV) infections represent one leading cause of neurodevelopmental disorders. Recently, we reported on a rat model of CMV infection of the developing brain in utero , characterized by early and prominent infection and alteration of microglia-the brain-resident mononuclear phagocytes. Besides their canonical function against pathogens, microglia are also pivotal to brain development. Here we show that CMV infection of the rat fetal brain recapitulated key postnatal phenotypes of human congenital CMV including increased mortality, sensorimotor impairment reminiscent of cerebral palsy, hearing defects, and epileptic seizures...
2018: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/29531245/using-massively-parallel-shotgun-sequencing-of-maternal-plasmatic-cell-free-dna-for-cytomegalovirus-dna-detection-during-pregnancy-a-proof-of-concept-study
#12
Virginie Chesnais, Alban Ott, Emmanuel Chaplais, Samuel Gabillard, Diego Pallares, Christelle Vauloup-Fellous, Alexandra Benachi, Jean-Marc Costa, Eric Ginoux
Human cytomegalovirus (HCMV) primary infections of pregnant women can lead to congenital infections of the fetus that could have severe impacts on the health of the newborn. Recent studies have shown that 10-100 billion DNA fragments per milliliter of plasma are circulating cell-free. The study of this DNA has rapidly expanding applications to non-invasive prenatal testing (NIPT). In this study, we have shown that we can detect viral specific reads in the massively parallel shotgun sequencing (MPSS) NIPT data...
March 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29528912/congenital-cmv-and-hiv-perinatal-transmission
#13
Kristina Adachi, Jiahong Xu, Bonnie Ank, D Heather Watts, Margaret Camarca, Lynne M Mofenson, Jose Henrique Pilotto, Esau Joao, Glenda Gray, Gerhard Theron, Breno Santos, Rosana Fonseca, Regis Kreitchmann, Jorge Pinto, Marisa M Mussi-Pinhata, Daisy Maria Machado, Mariana Ceriotto, Mariza G Morgado, Yvonne J Bryson, Valdilea G Veloso, Beatriz Grinsztejn, Mark Mirochnick, Jack Moye, Karin Nielsen-Saines
BACKGROUND: Congenital cytomegalovirus (CMV) infection (cCMV) is an important cause of hearing loss and cognitive impairment. Prior studies suggest that HIV-exposed children are at higher risk of acquiring cCMV. We assessed the presence, magnitude, and risk factors associated with cCMV among infants born to HIV-infected women, who were not receiving antiretrovirals during pregnancy. METHODS: cCMV and urinary CMV load were determined in a cohort of infants born to HIV-infected women not receiving antiretrovirals during pregnancy...
March 9, 2018: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/29511423/seroepidemiology-of-cytomegalovirus-infection-in-pregnant-women-in-the-central-mexican-city-of-aguascalientes
#14
Cosme Alvarado-Esquivel, Maria Del Carmen Terrones-Saldivar, Jesus Hernandez-Tinoco, Maria Daniela Enriqueta Munoz-Terrones, Roberto Oswaldo Gallegos-Gonzalez, Luis Francisco Sanchez-Anguiano, Martha Elena Reyes-Robles, Elizabeth Irasema Antuna-Salcido
Background: Infection with cytomegalovirus (CMV) during pregnancy may lead to congenital disease. Very little is known about the seroepidemiology of CMV infection in pregnant women in Mexico. We sought to determine the seroprevalence and correlates of CMV infection in pregnant women in Aguascalientes City, Mexico. Methods: Through a cross-sectional study design, 289 pregnant women were examined for anti-CMV IgG and IgM antibodies in Aguascalientes City, Mexico. A standardized questionnaire was used to obtain the socio-demographic, clinical and behavioral characteristics of the pregnant women...
April 2018: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/29474132/who-s-the-target-mother-or-baby
#15
Alisa Kachikis, Linda O Eckert, Janet Englund
Maternal immunization for prevention of morbidity and mortality of pregnant women and their neonates due to infectious diseases is ongoing worldwide. The complexity of vaccine research and development in this population is challenging. Not only do vaccines for pregnant women require evidence of immunogenicity, potency, stability, and limited reactogenicity, they must also provide efficacy in decreasing morbidity for the pregnant woman, her fetus, and the neonate, demonstrate safety or lack of evidence of harm, and offer benefit or potential benefit of vaccination during pregnancy...
March 2018: Viral Immunology
https://www.readbyqxmd.com/read/29447718/no-240-cytomegalovirus-infection-in-pregnancy
#16
Yoav Yinon, Dan Farine, Mark H Yudin
OBJECTIVES: To review the principles of prenatal diagnosis of congenital cytomegalovirus (CMV) infection and to describe the outcomes of the affected pregnancies. OUTCOMES: Effective management of fetal infection following primary and secondary maternal CMV infection during pregnancy. Neonatal signs include intrauterine growth restriction (IUGR), microcephaly, hepatosplenomegaly, petechiae, jaundice, chorioretinitis, thrombocytopenia and anemia, and long-term sequelae consist of sensorineural hearing loss, mental retardation, delay of psychomotor development, and visual impairment...
February 2018: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/29412347/microcephaly-in-piau%C3%A3-brazil-descriptive-study-during-the-zika-virus-epidemic-2015-2016
#17
Igor Gonçalves Ribeiro, Marcia Regina de Andrade, Janaína de Moraes Silva, Zenira Martins Silva, Maria Amélia de Oliveira Costa, Marcelo Adriano da Cunha E Silva Vieira, Francisca Miriane de Araújo Batista, Herlon Guimarães, Marcelo Yoshito Wada, Eduardo Saad
OBJECTIVE: to describe the occurrence and characteristics of microcephaly cases in Piauí, Brazil, during an epidemic of Zika virus infection in 2015-2016. METHODS: descriptive study using data of live births from January/2015 to January/2016, obtained from the Information System on Live Births (Sinasc), the Public Health Events Registry (RESP) and the active search for medical records; mothers and live births were tested for dengue, chikungunya, and Zika, besides syphilis, toxoplasmosis, rubella, cytomegalovirus, and herpes (STORCH)...
February 1, 2018: Epidemiologia e Servicos de Saude: Revista do Sistema Unico de Saude do Brasil
https://www.readbyqxmd.com/read/29404743/no-evidence-of-obstetrical-adverse-events-after-hyperimmune-globulin-application-for-primary-cytomegalovirus-infection-in-pregnancy-experience-from-a-single-centre
#18
Loredana Delle Chiaie, Patrick Neuberger, Matthias Vochem, Angela Lihs, Ulrich Karck, Martin Enders
PURPOSE: To determine the frequency of obstetrical adverse events and clinical outcome in infants following antenatal hyperimmune globulin (HIG) treatment for primary cytomegalovirus (CMV) infection in pregnancy. METHODS: Data from 50 women including three twin pregnancies were retrospectively evaluated. Primary infection was defined by seroconversion or the presence of CMV-specific IgM and low IgG avidity. All women received two or more infusions of HIG (200 U/kg)...
February 5, 2018: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/29397227/cost-effectiveness-of-vaccination-against-cytomegalovirus-cmv-in-adolescent-girls-to-prevent-infections-in-pregnant-women-living-in-france
#19
D S N'Diaye, O Launay, O Picone, V Tsatsaris, E Azria, F Rozenberg, M Schwarzinger, Y Yazdanpanah
BACKGROUND: CMV infections are the most frequent congenital infections worldwide. AIM: Assess the cost-effectiveness of vaccination strategies of adolescent girls vs. current practice (hygiene counseling) to prevent CMV seroconversions during pregnancy in France. METHOD: A Markov decision-tree model simulated overtime the trajectory of a single fictive cohort of 390,000 adolescent women aged 14 years old, living in France. Impact of vaccination was explored until the end of their reproductive live 40 years later...
February 28, 2018: Vaccine
https://www.readbyqxmd.com/read/29384053/viral-infections-in-pregnancy-a-focus-on-ebola-virus
#20
Nicole S Olgun
During gestation, the immune response of the placenta to viruses and other pathogens plays an important role in determining a pregnant woman's vulnerability toward infectious diseases. Located at the maternal- fetal interface, trophoblast cells serve to minimize the spread of viruses between the host and developing fetus through an intricate system of innate antiviral immune signaling. Adverse pregnancy outcomes, ranging from learning disabilities to preterm birth and fetal death, are all documented results of a viral breach in the placental barrier...
January 30, 2018: Current Pharmaceutical Design
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