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Congenital cytomegalovirus

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https://www.readbyqxmd.com/read/28338486/congenital-cytomegalovirus-infection-management-update
#1
Asma Khalil, Chrissie Jones, Yves Ville
PURPOSE OF REVIEW: Until recently, management options in congenital cytomegalovirus (cCMV) infection have been either conservative or termination of pregnancy. However, medical therapies aimed at reducing the risk of infection and/or its severity have recently been investigated. RECENT FINDINGS: In a phase 2 open label, nonrandomized trial, valaciclovir (ValACV) was given to women carrying a CMV-infected fetus. ValACV was associated with a greater proportion of asymptomatic neonates when compared with a historical cohort (82 vs...
March 23, 2017: Current Opinion in Infectious Diseases
https://www.readbyqxmd.com/read/28332898/herpes-simplex-virus-1-and-cytomegalovirus-dnas-detection-in-the-inner-ear-of-implanted-patients-with-non-congenital-infection
#2
Walter Di Nardo, Roberta Anzivino, Paola Cattani, Rosaria Santangelo, Eugenio De Corso, Gaetano Paludetti
CONCLUSIONS: The detection of cytomegalovirus (CMV) and herpes simplex virus-1 (HSV-1) genome in perilymph of patients with negative serology or clinical history for congenital infections supports the hypothesis that Herpesviridae, even after acquired postnatal infections, could remain in latent phase in the spiral ganglion and damage the cochlea by a possible subsequent reactivation. Further studies are needed to identify the markers of such reactivation. OBJECTIVE: To identify the presence of certain viral species in the endolabyrinthic fluid of deaf patients with non-congenital infection...
March 23, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28322432/bilateral-congenital-deafness-what-investigations-should-be-performed
#3
Nicolas Gürtler, Claudine Gysin, Nevenka Schmid, Claudia Pieren, Mattheus Vischer, Stefan Schumacher, Peter Oppermann, Daniel Leuba, Dorothée Veraguth
BACKGROUND: The introduction of newborn hearing screening has led to earlier identification of children with congenital sensorineural hearing loss (SNHL). Aetiological clarification offers several benefits. There is currently a lack of agreement on which examinations should be recommended. OBJECTIVE: Descriptive review of the literature reporting investigations performed to establish the aetiology of congenital SNHL and comparison of the management policy in Swiss referral centres...
March 21, 2017: Swiss Medical Weekly
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
#4
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/28299191/cytomegalovirus-in-pregnancy-and-the-neonate
#5
REVIEW
Vincent C Emery, Tiziana Lazzarotto
Congenital cytomegalovirus (CMV) remains a leading cause of disability in children. Understanding the pathogenesis of infection from the mother via the placenta to the neonate is crucial if we are to produce new interventions and provide supportive mechanisms to improve the outcome of congenitally infected children. In recent years, some major goals have been achieved, including the diagnosis of primary maternal CMV infection in pregnant women by using the anti-CMV IgG avidity test and the diagnosis and prognosis of foetal CMV infection by using polymerase chain reaction real-time tests to detect and quantify the virus in amniotic fluid...
2017: F1000Research
https://www.readbyqxmd.com/read/28298291/plasmablast-response-to-primary-rhesus-cytomegalovirus-infection-in-a-monkey-model-of-congenital-cmv-transmission
#6
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...
March 15, 2017: Clinical and Vaccine Immunology: CVI
https://www.readbyqxmd.com/read/28291720/congenital-cytomegalovirus-infection-in-pregnancy-and-the-neonate-consensus-recommendations-for-prevention-diagnosis-and-therapy
#7
REVIEW
William D Rawlinson, Suresh B Boppana, Karen B Fowler, David W Kimberlin, Tiziana Lazzarotto, Sophie Alain, Kate Daly, Sara Doutré, Laura Gibson, Michelle L Giles, Janelle Greenlee, Stuart T Hamilton, Gail J Harrison, Lisa Hui, Cheryl A Jones, Pamela Palasanthiran, Mark R Schleiss, Antonia W Shand, Wendy J van Zuylen
Congenital cytomegalovirus is the most frequent, yet under-recognised, infectious cause of newborn malformation in developed countries. Despite its clinical and public health importance, questions remain regarding the best diagnostic methods for identifying maternal and neonatal infection, and regarding optimal prevention and therapeutic strategies for infected mothers and neonates. The absence of guidelines impairs global efforts to decrease the effect of congenital cytomegalovirus. Data in the literature suggest that congenital cytomegalovirus infection remains a research priority, but data are yet to be translated into clinical practice...
March 10, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/28285497/cytomegalovirus-infection-among-pregnant-women-in-beijing-seroepidemiological-survey-and-intrauterine-transmission
#8
Qing-E Jin, Jian-Rong Su, Shan-Na Wu
Primary cytomegalovirus (CMV) infection during pregnancy can cause congenital defects. Available data for CMV infection during pregnancy in north China is inadequate. The aim of this study was to evaluate the epidemiology of maternal CMV infection and explore the incidence of congenital infection. In this prospective study, serum CMV IgG and IgM antibody were measured in 2887 pregnant women using ELISA, and IgG avidity test was performed on all IgM positive subjects. The seroprevalence of anti-CMV IgG was 94...
March 13, 2017: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28285152/development-of-a-vaccine-against-cytomegalovirus-infection-and-disease
#9
REVIEW
Kate Luisi, Mayuri Sharma, Dong Yu
Human cytomegalovirus causes disabling congenital disease in neonates and severe complications in immunocompromised individuals, making it a high priority for vaccine development. A prophylactic vaccine needs to outperform natural immunity and a therapeutic vaccine needs to elicit rapid protective antiviral responses. This review highlights the three major approaches undertaken by vaccine developers-virus-derived, protein subunit, and gene-based approaches. Each approach offers a unique promise for a successful vaccine by eliciting either a broad immune response or inducing neutralizing antibody responses order(s) of magnitudes greater than natural immunity...
March 9, 2017: Current Opinion in Virology
https://www.readbyqxmd.com/read/28278509/evaluation-of-the-automated-qiasymphony-sp-as-workflow-for-cytomegalovirus-dna-extraction-and-amplification-from-dried-blood-spots
#10
Daniela Spalletti-Cernia, Sara Barbato, Rosanna Sorrentino, Luca Vallefuoco, Caterina Rocco, Pasquale Di Costanzo, Antonella Giannattasio, Francesco Raimondi, Claudia Mazzarella, Roberta De Mattia, Giuseppe Portella
OBJECTIVE: Human cytomegalovirus (CMV) can be considered the most important agent of congenital infection. Long-term sequelae of congenital infection occur in about 15% of infants asymptomatic at birth. To avoid long-term sequelae or to reduce their burden, it is necessary to identify infected children for early interventions. CMV DNA can be detected in dried blood spots (DBSs). DBSs have been used in several studies for the retrospective diagnosis of congenital CMV (CCMV). It has been proposed to use DBSs for the newborn screening of CMV infection; however, manual methods are not suitable for newborn screening of CCMV...
March 10, 2017: Intervirology
https://www.readbyqxmd.com/read/28270578/human-cytomegalovirus-micrornas-mir-us5-1-and-mir-ul112-3p-block-proinflammatory-cytokine-production-in-response-to-nf-%C3%AE%C2%BAb-activating-factors-through-direct-downregulation-of-ikk%C3%AE-and-ikk%C3%AE
#11
Meaghan H Hancock, Lauren M Hook, Jennifer Mitchell, Jay A Nelson
Emerging evidence indicates that human cytomegalovirus (HCMV) manipulates host cell signaling pathways using both proteins and noncoding RNAs. Several studies have shown that HCMV induces NF-κB signaling early in infection, resulting in the induction of antiviral proinflammatory cytokines with a subsequent reduction of these cytokines late in infection. The mechanism for late cytokine reduction is unknown. In this study, we show that HCMV microRNAs (miRNAs) miR-US5-1 and miR-UL112-3p target the IκB kinase (IKK) complex components IKKα and IKKβ to limit production of proinflammatory cytokines in response to interleukin 1β (IL-1β) and tumor necrosis factor alpha (TNF-α)...
March 7, 2017: MBio
https://www.readbyqxmd.com/read/28265272/enforced-ox40-stimulation-empowers-booster-vaccines-to-induce-effective-cd4-and-cd8-t-cell-responses-against-mouse-cytomegalovirus-infection
#12
Eleni Panagioti, Louis Boon, Ramon Arens, Sjoerd H van der Burg
There is an imperative need for effective preventive vaccines against human cytomegalovirus as it poses a significant threat to the immunologically immature, causing congenital disease, and to the immune compromised including transplant recipients. In this study, we examined the efficacy of synthetic long peptides (SLPs) as a CD4(+) and CD8(+) T cell-eliciting preventive vaccine approach against mouse CMV (MCMV) infection. In addition, the use of agonistic OX40 antibodies to enhance vaccine efficacy was explored...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28259882/congenital-cytomegalovirus-infection-in-the-absence-of-maternal-cytomegalovirus-igm-antibodies
#13
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/28258350/an-italian-prospective-experience-on-the-association-between-congenital-cytomegalovirus-infection-and-autistic-spectrum-disorder
#14
Francesca Garofoli, Giuseppina Lombardi, Simona Orcesi, Camilla Pisoni, Iolanda Mazzucchelli, Micol Angelini, Umberto Balottin, Mauro Stronati
The aim of this retrospective study, with prospective data collection, was to correlate congenital cytomegalovirus (CMV) infection with autism spectrum disorder (ASD) and to define its prevalence. Seventy proven congenitally-infected infants, born between 2007 and 2012, were referred to our centre for CMV diagnosis and follow-up, which consisted of a consolidated protocol allowing an early evaluation of autism. We considered four children 2-year old, two of whom, at the age of 3, were diagnosed with ASD demonstrating a 2-3 fold higher prevalence (2...
March 3, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28241924/primary-human-cytomegalovirus-hcmv-infection-in-pregnancy
#15
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
https://www.readbyqxmd.com/read/28237380/newborn-dried-blood-spot-polymerase-chain-reaction-to-identify-infants-with-congenital-cytomegalovirus-associated-sensorineural-hearing-loss
#16
Shannon A Ross, Amina Ahmed, April L Palmer, Marian G Michaels, Pablo J Sánchez, Audra Stewart, David I Bernstein, Kristina Feja, Karen B Fowler, Suresh B Boppana
OBJECTIVE: To determine the utility of dried blood spot (DBS) polymerase chain reaction (PCR) in identifying infants with cytomegalovirus (CMV) infection-associated sensorineural hearing loss (SNHL). STUDY DESIGN: Newborns at 7 US hospitals between March 2007 and March 2012 were screened for CMV by saliva rapid culture and/or PCR. Infected infants were monitored for SNHL during the first 4 years of life to determine sensitivity, specificity, and positive and negative likelihood ratios of DBS PCR for identifying CMV-associated SNHL...
February 22, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28225480/nmda-receptor-subunit-and-camkii-changes-in-rat-hippocampus-by-congenital-hcmv-infection-a-mechanism-for-learning-and-memory-impairment
#17
De Wu, Li Yang, Xiaosong Bu, Jiulai Tang, Xiaocheng Fan
The aim of this study was to investigate the effects of congenital human cytomegalovirus infection on the expression levels of N-methyl-D-aspartate receptors (NRs) and Ca/calmodulin-dependent protein kinase II (CaMKII) in the hippocampal neurons of neonatal Sprague-Dawley (SD) rats. Pregnant SD rats were divided into an experimental group and a control group (n=10 in each group). Spatial learning and memory of the offspring of SD rats were evaluated using the Morris water-maze test. Pathological studies of hippocampus sections were carried out...
February 20, 2017: Neuroreport
https://www.readbyqxmd.com/read/28222150/polymorphisms-and-features-of-cytomegalovirus-ul144-and-ul146-in-congenitally-infected-neonates-with-hepatic-involvement
#18
Gangqiang Guo, Liang Zhang, Sisi Ye, Yingying Hu, Baoqing Li, Xiangwei Sun, Chenchen Mao, Jianfeng Xu, Yiping Chen, Lifang Zhang, Xiangyang Xue
Human cytomegalovirus is a significant agent of hepatic involvement in neonates. In this study, we investigated the polymorphisms and features of the viral genes UL144 and UL146 as well as their significance to congenital hepatic involvement. In 79 neonates with congenital cytomegalovirus infection and hepatic involvement, full length UL144 and UL146 were successfully amplified in 73.42% and 60.76% of cases, respectively. Sequencing indicated that both genes were hypervariable. Notably, UL144 genotype B was highly associated with aspartate aminotransferase (P = 0...
2017: PloS One
https://www.readbyqxmd.com/read/28219832/the-role-of-single-nucleotide-polymorphisms-contained-in-proinflammatory-cytokine-genes-in-the-development-of-congenital-infection-with-human-cytomegalovirus-in-fetuses-and-neonates
#19
Wioletta Wujcicka, Jan Wilczyński, Edyta Paradowska, Mirosława Studzińska, Dorota Nowakowska
PURPOSE: The research project targeted the distribution of genotypes, alleles and haplotypes in single nucleotide polymorphisms (SNPs) within the interleukin (IL) 1A, IL1B, IL6, IL12B and TNFA genes, in fetuses and neonates, congenitally infected with human cytomegalovirus (HCMV), and among uninfected controls. METHODS: The study included 20 fetuses and neonates with congenital HCMV infection and 31 control individuals. The genotypes in SNPs of the studied cytokine genes were identified by a self-designed nested PCR-RFLP assays...
February 17, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28211317/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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