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Listeria infection in neonates

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https://www.readbyqxmd.com/read/28335280/pregnancy-vaccination-with-gold-glyco-nanoparticles-carrying-listeria-monocytogenes-peptides-protects-against-listeriosis-and-brain-and-cutaneous-associated-morbidities
#1
Ricardo Calderón-Gonzalez, Héctor Terán-Navarro, Elisabet Frande-Cabanes, Eva Ferrández-Fernández, Javier Freire, Soledad Penadés, Marco Marradi, Isabel García, Javier Gomez-Román, Sonsoles Yañez-Díaz, Carmen Álvarez-Domínguez
Listeriosis is a fatal infection for fetuses and newborns with two clinical main morbidities in the neonatal period, meningitis and diffused cutaneous lesions. In this study, we vaccinated pregnant females with two gold glyconanoparticles (GNP) loaded with two peptides, listeriolysin peptide 91-99 (LLO91-99) or glyceraldehyde-3-phosphate dehydrogenase 1-22 peptide (GAPDH1-22). Neonates born to vaccinated mothers were free of bacteria and healthy, while non-vaccinated mice presented clear brain affections and cutaneous diminishment of melanocytes...
August 19, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28289572/human-listeriosis-presenting-as-breast-abscess-report-of-a-rare-case
#2
Venkataramana Kandi
An abscess is defined as a collection of pus in various tissues of the body including skin and other organs. Abscesses most commonly are formed on the skin under the armpits, groin areas, and rectal areas. Most abscesses involve microbial infections with few remaining sterile. The treatment of abscesses includes both medical and surgical intervention. In the era of multidrug resistance, isolation and identification of the causative microbe and testing for antimicrobial susceptible patterns assume greater significance for the better management of patients, thereby reducing the resultant morbidity and mortality...
February 1, 2017: Curēus
https://www.readbyqxmd.com/read/28223455/acute-fetal-demise-with-first-trimester-maternal-infection-resulting-from-listeria-monocytogenes-in-a-nonhuman-primate-model
#3
Bryce Wolfe, Gregory J Wiepz, Michele Schotzko, Gennadiy I Bondarenko, Maureen Durning, Heather A Simmons, Andres Mejia, Nancy G Faith, Emmanuel Sampene, Marulasiddappa Suresh, Sophia Kathariou, Charles J Czuprynski, Thaddeus G Golos
Infection with Listeria monocytogenes during pregnancy is associated with miscarriage, preterm birth, and neonatal complications, including sepsis and meningitis. While the risk of these conditions is thought to be greatest during the third trimester of pregnancy, the determinants of fetoplacental susceptibility to infection, the contribution of gestational age, and the in vivo progression of disease at the maternal-fetal interface are poorly understood. We developed a nonhuman primate model of listeriosis to better understand antecedents of adverse pregnancy outcomes in early pregnancy...
February 21, 2017: MBio
https://www.readbyqxmd.com/read/28139432/clinical-features-and-prognostic-factors-of-listeriosis-the-monalisa-national-prospective-cohort-study
#4
Caroline Charlier, Élodie Perrodeau, Alexandre Leclercq, Benoît Cazenave, Benoît Pilmis, Benoît Henry, Amanda Lopes, Mylène M Maury, Alexandra Moura, François Goffinet, Hélène Bracq Dieye, Pierre Thouvenot, Marie-Noëlle Ungeheuer, Mathieu Tourdjman, Véronique Goulet, Henriette de Valk, Olivier Lortholary, Philippe Ravaud, Marc Lecuit
BACKGROUND: Listeriosis is a severe foodborne infection and a notifiable disease in France. We did a nationwide prospective study to characterise its clinical features and prognostic factors. METHODS: MONALISA was a national prospective observational cohort study. We enrolled eligible cases declared to the National Reference Center for Listeria (all microbiologically proven) between Nov 3, 2009, and July 31, 2013, in the context of mandatory reporting. The outcomes were analysis of clinical features, characterisation of Listeria isolates, and determination of predictors of 3-month mortality or persisting impairment using logistic regression...
January 28, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/28045978/cord-blood-acute-phase-reactants-predict-early-onset-neonatal-sepsis-in-preterm-infants
#5
Leena B Mithal, Hannah L Palac, Ram Yogev, Linda M Ernst, Karen K Mestan
BACKGROUND: Early onset sepsis (EOS) is a major cause of morbidity and mortality in preterm infants, yet diagnosis remains inadequate resulting in missed cases or prolonged empiric antibiotics with adverse consequences. Evaluation of acute phase reactant (APR) biomarkers in umbilical cord blood at birth may improve EOS detection in preterm infants with intrauterine infection. METHODS: In this nested case-control study, infants (29.7 weeks gestation, IQR: 27.7-32...
2017: PloS One
https://www.readbyqxmd.com/read/27930711/licheniocin-50-2-and-bacteriocins-from-lactococcus-lactis-subsp-lactis-biovar-diacetylactis-bgbu1-4-inhibit-biofilms-of-coagulase-negative-staphylococci-and-listeria-monocytogenes-clinical-isolates
#6
Ivana Cirkovic, Dragana D Bozic, Veselin Draganic, Jelena Lozo, Tanja Beric, Milan Kojic, Biljana Arsic, Eliana Garalejic, Slobodanka Djukic, Slavisa Stankovic
BACKGROUND: Coagulase negative staphylococci (CoNS) and Listeria monocytogenes have important roles in pathogenesis of various genital tract infections and fatal foetomaternal infections, respectively. The aim of our study was to investigate the inhibitory effects of two novel bacteriocins on biofilms of CoNS and L. monocytogenes genital isolates. METHODS: The effects of licheniocin 50.2 from Bacillus licheniformis VPS50.2 and crude extract of bacteriocins produced by Lactococcus lactis subsp...
2016: PloS One
https://www.readbyqxmd.com/read/27074026/il-12p40-il-10-producing-precd8%C3%AE-clec9a-dendritic-cells-are-induced-in-neonates-upon-listeria-monocytogenes-infection
#7
David Torres, Arnaud Köhler, Sandrine Delbauve, Irina Caminschi, Mireille H Lahoud, Ken Shortman, Véronique Flamand
Infection by Listeria monocytogenes (Lm) causes serious sepsis and meningitis leading to mortality in neonates. This work explored the ability of CD11c(high) lineage DCs to induce CD8+ T-cell immune protection against Lm in mice before 7 days of life, a period symbolized by the absence of murine IL-12p70-producing CD11c(high)CD8α+ dendritic cells (DCs). We characterized a dominant functional Batf3-dependent precursor of CD11c(high) DCs that is Clec9A+CD205+CD24+ but CD8α- at 3 days of life. After Lm-OVA infection, these pre-DCs that cross-present Ag display the unique ability to produce high levels of IL-12p40 (not IL-12p70 nor IL-23), which enhances OVA-specific CD8+ T cell response, and regulatory IL-10 that limits OVA-specific CD8+ T cell response...
April 2016: PLoS Pathogens
https://www.readbyqxmd.com/read/26772166/reductions-in-neonatal-listeriosis-collateral-benefit-of-group-b-streptococcal-prophylaxis
#8
Brian Lee, Jason G Newland, Ravi Jhaveri
OBJECTIVES: We tested the hypothesis that declines in Listeria monocytogenes in infants are related to declines in rates of early-onset Group B Streptococcus (GBS) infections associated with widespread prophylaxis using agents with Listeria activity. METHODS: We performed a retrospective cohort analysis using a national administrative database Pediatric Health Information System (PHIS). We searched for ICD-9 codes for Listeriosis in infants <30 days old and for early-onset GBS infection of any kind in infants <5 days old during the study period...
March 2016: Journal of Infection
https://www.readbyqxmd.com/read/26343962/nonclinical-development-of-bcg-replacement-vaccine-candidates
#9
Kamalakannan Velmurugan, Leander Grode, Rosemary Chang, Megan Fitzpatrick, Dominick Laddy, David Hokey, Steven Derrick, Sheldon Morris, David McCown, Reginald Kidd, Martin Gengenbacher, Bernd Eisele, Stefan H E Kaufmann, John Fulkerson, Michael J Brennan
The failure of current Mycobacterium bovis bacille Calmette-Guérin (BCG) vaccines, given to neonates to protect against adult tuberculosis and the risk of using these live vaccines in HIV-infected infants, has emphasized the need for generating new, more efficacious and safer replacement vaccines. With the availability of genetic techniques for constructing recombinant BCG (rBCG) strains containing well-defined gene deletions or insertions, new vaccine candidates are under evaluation at both the preclinical and clinical stages of development...
2013: Vaccines
https://www.readbyqxmd.com/read/26147648/age-related-gene-expression-differences-in-monocytes-from-human-neonates-young-adults-and-older-adults
#10
Michelle M Lissner, Brandon J Thomas, Kathleen Wee, Ann-Jay Tong, Tobias R Kollmann, Stephen T Smale
A variety of age-related differences in the innate and adaptive immune systems have been proposed to contribute to the increased susceptibility to infection of human neonates and older adults. The emergence of RNA sequencing (RNA-seq) provides an opportunity to obtain an unbiased, comprehensive, and quantitative view of gene expression differences in defined cell types from different age groups. An examination of ex vivo human monocyte responses to lipopolysaccharide stimulation or Listeria monocytogenes infection by RNA-seq revealed extensive similarities between neonates, young adults, and older adults, with an unexpectedly small number of genes exhibiting statistically significant age-dependent differences...
2015: PloS One
https://www.readbyqxmd.com/read/25955775/cheese-related-listeriosis-outbreak-portugal-march-2009-to-february-2012
#11
R Magalhaes, G Almeida, V Ferreira, I Santos, J Silva, M M Mendes, J Pita, G Mariano, I Mancio, M M Sousa, J Farber, F Pagotto, P Teixeira
In Portugal, listeriosis has been notifiable since April 2014, but there is no active surveillance programme for the disease. A retrospective study involving 25 national hospitals led to the detection of an outbreak that occurred between March 2009 and February 2012. The amount of time between the start of the outbreak and its detection was 16 months. Of the 30 cases of listeriosis reported, 27 were in the Lisbon and Vale do Tejo region. Two cases were maternal/neonatal infections and one resulted in fetal loss...
2015: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
https://www.readbyqxmd.com/read/25476765/metal-ion-homeostasis-in-listeria-monocytogenes-and-importance-in-host-pathogen-interactions
#12
REVIEW
Helen E Jesse, Ian S Roberts, Jennifer S Cavet
Listeria monocytogenes is responsible for one of the most life-threatening food-borne infections and the leading cause of food-poisoning associated deaths in the UK. Infection may be of the unborn/newly born infant where disease may manifest as listeric abortion, stillbirth or late-onset neonatal listeriosis, while in adults, infection usually affects the central nervous system causing meningitis. Crucial to the survival of L. monocytogenes, both inside and outside the host, is its ability to acquire metals which act as cofactors for a broad range of its cellular proteins...
2014: Advances in Microbial Physiology
https://www.readbyqxmd.com/read/25411758/committee-opinion-no-614-management-of-pregnant-women-with-presumptive-exposure-to-listeria-monocytogenes
#13
(no author information available yet)
Listeriosis is predominantly a foodborne illness, with sporadic and outbreak-related cases tied to consumption of food contaminated with listeria (Listeria monocytogenes). The incidence of listeriosis associated with pregnancy is approximately 13 times higher than in the general population. Maternal infection may present as a nonspecific, flu-like illness with fever, myalgia, backache, and headache, often preceded by diarrhea or other gastrointestinal symptoms. However, fetal and neonatal infections can be severe, leading to fetal loss, preterm labor, neonatal sepsis, meningitis, and death...
December 2014: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/25361468/genetic-and-phenotypic-characterization-of-listeria-monocytogenes-from-human-clinical-cases-that-occurred-in-portugal-between-2008-and-2012
#14
Rui Magalhães, Vânia Ferreira, Isabel Santos, Gonçalo Almeida, Paula Teixeira
Listeria monocytogenes infection (listeriosis) is an uncommon but severe foodborne illness that affects mainly individuals with recognized underlying conditions: the elderly, immunocompromised individuals, and pregnant women and their fetuses. The aim of this study was to obtain epidemiological data on cases of listeriosis occurring in Portugal from 2008 through 2012, collected in hospitals on a voluntary basis. L. monocytogenes isolates were characterized by genoserotyping by multiplex polymerase chain reaction, DNA macrorestriction pulsed-field gel electrophoresis (PFGE), and determination of minimal inhibitory concentration (MIC, μg/mL) for 12 antibiotics...
November 2014: Foodborne Pathogens and Disease
https://www.readbyqxmd.com/read/25356132/listeria-infection-in-chinese-pregnant-women-and-neonates-from-shandong
#15
Jun Lv, Zhenli Qin, Yanhua Xu, Qiurong Xie
OBJECTIVE: This study aims to investigate the characters of pregnant women and neonates with listeria monocytogenes infections (L. monocytogenes) in Shandong of China. METHOD: Pregnant women with premature delivery or prenatal fever were recruited in 2013. Bacterial culture was performed for the umbilical cord blood and placental swab after delivery. The strains isolated were then analyzed for the virulence factors and classified based on the serotype and MLST typing...
2014: International Journal of Clinical and Experimental Medicine
https://www.readbyqxmd.com/read/25306879/pregnancy-related-listeriosis-in-france-1984-to-2011-with-a-focus-on-606-cases-from-1999-to-2011
#16
D Girard, A Leclercq, E Laurent, M Lecuit, H de Valk, V Goulet
This study describes trends in the incidence of pregnancy-related listeriosis in France between 1984 and 2011, and presents the major characteristics of 606 cases reported between 1999 and 2011 to the French Institute for Public Health Surveillance through the mandatory notification system. The incidence of pregnancy-related listeriosis decreased by a factor of 12 from 1984 to 2011. This reduction was a result of progressive implementation of specific Listeria monocytogenes control measures in food production...
2014: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
https://www.readbyqxmd.com/read/25098360/management-of-pregnant-women-with-presumptive-exposure-to-listeria-monocytogenes
#17
(no author information available yet)
: Listeriosis is predominantly a foodborne illness, with sporadic and outbreak-related cases tied to consumption of food contaminated with listeria (Listeria monocytogenes). The incidence of listeriosis associated with pregnancy is approximately 13 times higher than in the general population. Maternal infection may present as a nonspecific, flu-like illness with fever, myalgia, backache, and headache, often preceded by diarrhea or other gastrointestinal symptoms. However, fetal and neonatal infections can be severe, leading to fetal loss, preterm labor, neonatal sepsis, meningitis, and death...
August 5, 2014: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/25098106/-neonatal-bacteremia-frequency-spectrum-of-organisms-and-correlation-between-clinical-symptoms-and-laboratory-data-for-early-onset-sepsis
#18
L Vakrilova, St Hitrova, E Shopova, R Rousseva, A Radulova, A Masseva
UNLABELLED: Improved obstetrical management and evidence-based peripartum antimicrobial therapy in the last decades reduce the frequency of early-onset neonatal sepsis (EONS) and improve the outcome. The spectrum of the microrganisms is different according to regions, countries and periods of time. Appropriate diagnosis and treatment improve the outcome. However dissociation often occurs between clinical manifestation, laboratory and microbiological findings. AIMS: To determine the incidence of neonatal bacteremia in our hospital, to identify the spectrum of organisms from positive blood cultures (BC), to analyze the correlation between clinical manifestation of EOS and/or laboratory abnormalities...
2014: Akusherstvo i Ginekologii︠a︡
https://www.readbyqxmd.com/read/25060681/systemic-listeria-monocytogenes-infection-in-a-2-year-old-immunocompetent-child
#19
D Lobotková, E Dická, V Rolný, I Stankovič, P Čižnár
Central nervous system infection and sepsis are the most frequently observed clinical presentations of listeriosis infection; however, they are rare in immunocompetent children beyond the neonatal period. In the presented case, we described gastrointestinal involvement, subacute meningitis, sinusitis and sepsis in a two-year-old previously healthy child with acute infection caused by Listeria monocytogenes. We suggest that the infection was probably enhanced by an inappropriate corticosteroid treatment at the onset of the disease, while immunological testing did not confirm the primary deficiency of cellular immunity...
December 2014: Infection
https://www.readbyqxmd.com/read/24997051/incidence-etiology-and-outcome-of-bacterial-meningitis-in-infants-aged-90-days-in-the-united-kingdom-and-republic-of-ireland-prospective-enhanced-national-population-based-surveillance
#20
Ifeanyichukwu O Okike, Alan P Johnson, Katherine L Henderson, Ruth M Blackburn, Berit Muller-Pebody, Shamez N Ladhani, Mark Anthony, Nelly Ninis, Paul T Heath
BACKGROUND: Bacterial meningitis remains a major cause of morbidity and mortality in young infants. Understanding the epidemiology and burden of disease is important. METHODS: Prospective, enhanced, national population-based active surveillance was undertaken to determine the incidence, etiology, and outcome of bacterial meningitis in infants aged <90 days in the United Kingdom and Ireland. RESULTS: During July 2010-July 2011, 364 cases were identified (annual incidence, 0...
November 15, 2014: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
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