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https://www.readbyqxmd.com/read/28211317/primary-human-cytomegalovirus-hcmv-infection-in-pregnancy
#1
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/28209492/reproductive-considerations-in-the-setting-of-chronic-viral-illness
#2
REVIEW
Brent M Hanson, Jessie A Dorais
Special considerations must be taken when patients with human immunodeficiency virus (HIV), Hepatitis B, or Hepatitis C desire to achieve pregnancy. Patients with chronic viral illnesses desire children at rates similar to the general population, and options are available to decrease both vertical transmission and viral transmission between partners. Preconception counseling or consultation with fertility specialists is imperative in patients with HIV, Hepatitis B, and Hepatitis C so that reproductive goals can be addressed and optimized...
February 13, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28201936/effects-of-lactobacillus-casei-and-enterococcus-faecalis-on-growth-performance-immune-function-and-gut-microbiota-of-suckling-piglets
#3
Chaoqi Liu, Qun Zhu, Juan Chang, Qingqiang Yin, Andong Song, Zhentian Li, Erzhu Wang, Fushan Lu
This study was carried out to investigate the effects of orally administrated Lactobacillus casei and Enterococcus faecalis on performance, immune function and gut microbiota of suckling piglets. Neonatal piglets (n = 120) were randomly assigned to 4 groups, with 30 suckling piglets in each group. The piglets were from 15 litters, one male and one female piglet were selected for each group in each litter. The Control group was administrated with normal saline, the other groups with L. casei or E. faecalis or a combination of L...
April 2017: Archives of Animal Nutrition
https://www.readbyqxmd.com/read/28198446/a-mutation-identified-in-neonatal-microcephaly-destabilizes-zika-virus-ns1-assembly-in-vitro
#4
Deping Wang, Cheng Chen, Shengnan Liu, Han Zhou, Kailin Yang, Qi Zhao, Xiaoyun Ji, Chen Chen, Wei Xie, Zefang Wang, Li-Zhi Mi, Haitao Yang
An unprecedented epidemic of Zika virus (ZIKV) infection had spread to South and Central America. ZIKV infection was recently confirmed by CDC (the Centers for Disease Control and Prevention) to cause neonatal microcephaly, which posed a significant public health emergency of international concern. No specific vaccines or drugs are currently available to fight ZIKV infection. ZIKV nonstructural protein 1 (NS1) plays an essential role in viral replication and immune evasion. We determined the crystal structure of ZIKV NS1172-352, which forms a head-to-head, symmetric dimer with a unique 14-stranded β-ladder conserved among flaviviruses...
February 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28196555/dohad-at-the-intersection-of-maternal-immune-activation-and-maternal-metabolic-stress-a-scoping-review
#5
J A Goldstein, S A Norris, D M Aronoff
The prenatal environment is now recognized as a key driver of non-communicable disease risk later in life. Within the developmental origins of health and disease (DOHaD) paradigm, studies are increasingly identifying links between maternal morbidity during pregnancy and disease later in life for offspring. Nutrient restriction, metabolic disorders during gestation, such as diabetes or obesity, and maternal immune activation provoked by infection have been linked to adverse health outcomes for offspring later in life...
February 15, 2017: Journal of Developmental Origins of Health and Disease
https://www.readbyqxmd.com/read/28188950/hemophagocytic-lymphohistiocytosis-in-a-neonate-case-report
#6
Pari Zarrini, Ziba Mosayebi, Asghar Ramyar, Hosein Dalili
 Hemophagocytic lymphohistiocytosis (HLH) is a syndrome of pathologic immune activation, occurring as either a familial disorder or a sporadic condition, in association with a variety of triggers. This article will introduce a neonate with HLH in Iran. We report a case of HLH presenting with respiratory distress and fever, hepatosplenomegaly, jaundice and pancytopenia on the second day of life. Typical clinical and laboratory findings were detected in the neonate. HLH was diagnosed according to HLH-2004 guidelines...
January 2017: Acta Medica Iranica
https://www.readbyqxmd.com/read/28188768/frequency-of-toxocara-spp-antibodies-in-umbilical-cords-of-newborns-attended-atthe-university-hospital-in-southern-brazil-and-factors-associated-with-infection
#7
Paula Costa Santos, Paula Lima Telmo, Lis Maurente Lehmann, Carolina Lorenzi, Carolina Hirsch, Gabriela Torres Mattos, Gabriel Baracy Klafke, Maria Elisabeth Aires Berne, Carla Vitola Gonçalves, Carlos James Scaini
Toxocariasis is a neglected and geographically widespread parasitic disease. The detection of specific antibodies associated with this disease is required to confirm its clinical diagnosis and to aid in prevention. Although helminth infection during pregnancy can promote foetal immune responses with long-term effects, specific information regarding the risk of Toxocara spp. infection to the human foetus during pregnancy is lacking.Therefore,the present study aimed to investigate the frequency of antibodies against Toxocara spp...
February 7, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28184223/fc-engineering-for-developing-therapeutic-bispecific-antibodies-and-novel-scaffolds
#8
REVIEW
Hongyan Liu, Abhishek Saxena, Sachdev S Sidhu, Donghui Wu
Therapeutic monoclonal antibodies have become molecules of choice to treat autoimmune disorders, inflammatory diseases, and cancer. Moreover, bispecific/multispecific antibodies that target more than one antigen or epitope on a target cell or recruit effector cells (T cell, natural killer cell, or macrophage cell) toward target cells have shown great potential to maximize the benefits of antibody therapy. In the past decade, many novel concepts to generate bispecific and multispecific antibodies have evolved successfully into a range of formats from full bispecific immunoglobulin gammas to antibody fragments...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28183352/combined-effect-of-bcg-vaccination-and-enriched-environment-promote-neurogenesis-and-spatial-cognition-via-a-shift-in-meningeal-macrophage-m2-polarization
#9
Fangfang Qi, Zejie Zuo, Junhua Yang, Saisai Hu, Yang Yang, Qunfang Yuan, Juntao Zou, Kaihua Guo, Zhibin Yao
BACKGROUND: The spatial learning abilities of developing mice benefit from extrinsic cues, such as an enriched environment, with concomitant enhancement in cognitive functions. Interestingly, such enhancements can be further increased through intrinsic Bacillus Calmette-Guérin (BCG) vaccination. RESULTS: Here, we first report that combined neonatal BCG vaccination and exposure to an enriched environment (Enr) induced combined neurobeneficial effects, including hippocampal long-term potentiation, and increased neurogenesis and spatial learning and memory, in mice exposed to the Enr and vaccinated with BCG relative to those in the Enr that did not receive BCG vaccination...
February 10, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28182812/management-and-outcomes-of-fetal-hydrops-in-a-tertiary-care-centre-in-singapore
#10
Xin Yi Thong, Le Ye Lee, Dawn Ak Chia, Yee Chee Wong, Arijit Biswas
Introduction: Fetal hydrops is a serious condition which can be caused by immune and non-immune aetiologies. We aimed to review the management of fetal hydrops at our hospital. Materials and Methods: A retrospective review of all cases of fetal hydrops diagnosed in our institution from 2006 to 2013 was carried out. Results: Out of the 30 cases of fetal hydrops diagnosed antenatally, 17 were cases of Bart's hydrops which were all terminated in-utero. Of the remaining 13 cases, 11 cases consisted of non-immune causes of hydrops...
January 2017: Annals of the Academy of Medicine, Singapore
https://www.readbyqxmd.com/read/28179905/plasma-levels-of-macrophage-migration-inhibitory-factor-and-d-dopachrome-tautomerase-show-a-highly-specific-profile-in-early-life
#11
Thierry Roger, Luregn J Schlapbach, Anina Schneider, Manuela Weier, Sven Wellmann, Patrick Marquis, David Vermijlen, Fred C G J Sweep, Lin Leng, Richard Bucala, Thierry Calandra, Eric Giannoni
Macrophage migration inhibitory factor (MIF) is a pleiotropic, constitutively expressed, pro-inflammatory cytokine and an important regulator of immune responses. d-dopachrome tautomerase (DDT), a newly described member of the MIF protein superfamily, shares sequence homology and biological activities with MIF. We recently reported that high expression levels of MIF sustain innate immune responses in newborns. Here, we elected to further characterize age-dependent MIF expression and to define whether DDT shares a similar expression profile with MIF...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28179507/intestinal-commensal-bacteria-mediate-lung-mucosal-immunity-and-promote-resistance-of-newborn-mice-to-infection
#12
Jerilyn Gray, Katherine Oehrle, George Worthen, Theresa Alenghat, Jeffrey Whitsett, Hitesh Deshmukh
Immature mucosal defenses contribute to increased susceptibility of newborn infants to pathogens. Sparse knowledge of age-dependent changes in mucosal immunity has hampered improvements in neonatal morbidity because of infections. We report that exposure of neonatal mice to commensal bacteria immediately after birth is required for a robust host defense against bacterial pneumonia, the leading cause of death in newborn infants. This crucial window was characterized by an abrupt influx of interleukin-22 (IL-22)-producing group 3 innate lymphoid cells (IL-22(+)ILC3) into the lungs of newborn mice...
February 8, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28170416/cost-effectiveness-of-maternal-influenza-immunization-in-bamako-mali-a-decision-analysis
#13
Evan W Orenstein, Lauren A V Orenstein, Kounandji Diarra, Mahamane Djiteye, Diakaridia Sidibé, Fadima C Haidara, Moussa F Doumbia, Fatoumata Diallo, Flanon Coulibaly, Adama M Keita, Uma Onwuchekwa, Ibrahima Teguete, Milagritos D Tapia, Samba O Sow, Myron M Levine, Richard Rheingans
BACKGROUND: Maternal influenza immunization has gained traction as a strategy to diminish maternal and neonatal mortality. However, efforts to vaccinate pregnant women against influenza in developing countries will require substantial investment. We present cost-effectiveness estimates of maternal influenza immunization based on clinical trial data from Bamako, Mali. METHODS: We parameterized a decision-tree model using prospectively collected trial data on influenza incidence, vaccine efficacy, and direct and indirect influenza-related healthcare expenditures...
2017: PloS One
https://www.readbyqxmd.com/read/28167667/the-protective-role-of-passively-transferred-maternal-cytokines-against-bordetella-pertussis-infection-in-newborn-piglets
#14
Shokrollah Elahi, David R Thompson, Jill Van Kessel, Lorne A Babiuk, Volker Gerdts
Maternal vaccination represents a potential strategy to protect both the mother and the offspring against life threatening infections. This protective role has mainly been associated with antibodies but the role of cell mediated immunity in particular passively transferred cytokines is not well understood. Herein, using a pertussis model we have demonstrated that immunization of pregnant sows with heat-inactivated bacteria leads to induction of a wide range of cytokines (e.g. TNF-α, IFN-γ, IL-6, IL-8 and IL-12/IL-23p40) in addition to pertussis-specific antibodies...
February 6, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28167590/chikungunya-and-neonatal-immunity-fatal-vertically-transmitted-chikungunya-infection
#15
Tracy Evans-Gilbert
Chikungunya is a mosquito-borne infectious disease that has emerged as a global pathogen. The virus can pass vertically from mother to child especially during the perinatal period, with an intrapartum vertical transmission rate of 50%. Approximately half of the neonates infected with chikungunya present with severe symptoms and infrequently death. This report summarizes two severe cases of vertically transmitted neonatal chikungunya infection. One case was confirmed by real-time reverse transcription polymerase chain reaction and the other fulfilled clinical and epidemiological criteria...
February 6, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28165494/novel-protective-role-of-myeloid-differentiation-1-in-pathological-cardiac-remodelling
#16
Xiaojv Xiong, Yu Liu, Yang Mei, Jianye Peng, Zhiqiang Wang, Bin Kong, Peng Zhong, Liang Xiong, Dajun Quan, Qi Li, Guangji Wang, He Huang
Myeloid differentiation 1 (MD-1), a secreted protein interacting with radioprotective 105 (RP105), plays an important role in Toll-like receptor 4 (TLR4) signalling pathway. Previous studies showed that MD-1 may be restricted in the immune system. In this study, we demonstrated for the first time that MD-1 was highly expressed in both human and animal hearts. We also discovered that cardiac-specific overexpression of MD-1 significantly attenuated pressure overload-induced cardiac hypertrophy, fibrosis, and dysfunction, whereas loss of MD-1 had the opposite effects...
February 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28162823/mucosal-vaccination-promotes-clearance-of-streptococcus-agalactiae-vaginal-colonization
#17
Jacqueline A Baker, Emma L Lewis, Leah M Byland, Maryam Bonakdar, Tara M Randis, Adam J Ratner
Group B Streptococcus (GBS) is a leading cause of morbidity and mortality in infants, and colonization of the maternal genital tract is the primary risk factor for newborn infection. Despite the importance of mucosal colonization in GBS pathogenesis, relevant host and bacterial factors are incompletely understood. We investigated the role of humoral immunity in clearance of vaginal colonization in vivo. B-cell-deficient mice or those lacking neonatal Fc-receptor, a mediator of IgG transport to the vaginal mucosa, exhibit prolonged GBS vaginal colonization compared to wild type animals...
March 1, 2017: Vaccine
https://www.readbyqxmd.com/read/28161165/supplemental-methionine-choline-or-taurine-alter-in-vitro-gene-network-expression-of-polymorphonuclear-leukocytes-from-neonatal-holstein-calves
#18
M K Abdelmegeid, M Vailati-Riboni, A Alharti, F Batistel, J J Loor
Isolated PMNL from neonatal calves were used to evaluate the effect of Met, choline, and taurine supplementation on mRNA expression of genes related to the Met cycle and innate immunity. Five neonatal Holstein calves (3 wk old) were used for PMNL isolation and in vitro culture. The selected genes were related to the 1-carbon and Met cycles, cell signaling and cytokine mediators, inflammation, antimicrobial and killing mechanism associated genes, immune mediators, adhesion, and pathogen recognition. The results indicated that supplementation of Met, choline, and taurine increased homocysteine synthesis through upregulation of SAHH...
February 1, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28160500/il-10-expression-in-macrophages-from-neonates-born-from-obese-mothers-is-suppressed-by-il-4-and-lps-inf%C3%AE
#19
Francisca Cifuentes-Zúñiga, Viviana Arroyo-Jousse, Gustavo Soto-Carrasco, Paola Casanello, Ricardo Uauy, Bernardo J Krause, José A Castro-Rodríguez
: Obese women offspring have a higher risk of developing chronic diseases associated with an altered immune function. We aim to determine, in neonatal monocyte-derived macrophages, whether maternal obesity is associated with an altered expression and DNA methylation of pro- and anti-inflammatory genes, along with a higher pro-inflammatory response. Cord blood from newborns of obese (Ob) and lean (control) women were obtained at delivery. Monocytes were isolated and differentiated into macrophages, in which M1 (LPS/IFNγ) and M2 (IL-4) polarization were assayed...
February 4, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28157251/varicella-a-potential-threat-to-maternal-and-fetal-health
#20
Maria Biskupska, Ilona Małecka, Joanna Stryczyńska-Kazubska, Jacek Wysocki
OBJECTIVES: The aim of the study was to evaluate the following: i) number of midwives and nurses at risk for contracting varicella; ii) effectiveness of infectious disease prevention among healthcare personnel; iii) attitude of healthcare person-nel towards immunization. MATERIAL AND METHODS: A total of 524 midwives and nurses from obstetric, neonatal, and pediatric wards were investigated. Quantitative data analysis was performed. RESULTS: Overall, 14...
2017: Ginekologia Polska
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