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Infection disease, children, immunology

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https://www.readbyqxmd.com/read/29303843/cognition-emotional-health-and-immunological-markers-in-children-with-long-term-nonprogressive-hiv
#1
Robert Paul, Tanakorn Apornpong, Wasana Prasitsuebsai, Thanyawee Puthanakit, Vonthanak Saphonn, Linda Aurpibul, Pope Kosalaraksa, Suparat Kanjanavanit, Wicharn Luesomboon, Chaiwat Ngampiyaskul, Tulathip Suwanlerk, Kea Chettra, William T Shearer, Victor Valcour, Jintanat Ananworanich, Stephen Kerr
BACKGROUND: HIV-infected children with long-term nonprogressive disease (LTNPs) eventually convert to a progressive disease type, yet the extent to which these children experience the cognitive and emotional symptoms observed in typical progressive HIV (Progressors) is unknown. METHODS: Eighty-eight LTNPs, 53 Progressors, and 323 healthy controls completed annual assessments of cognitive and emotional health as part of a prospective study. The two HIV-infected groups and the healthy controls were matched on age and sex distribution at enrollment...
January 4, 2018: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/29301554/susceptibility-to-allergy-in-adoptive-children-a-cross-sectional-study-at-bambino-ges%C3%A3-children-s-hospital
#2
Hyppolite K Tchidjou, Maria Fenicia Vescio, Jessica Serafinelli, Rosaria Giampaolo, Alessandro Jenkner, Mathurin C Tadonkeng, Luca Avellis, Alessandro Fiocchi, Patrizio Pezzotti, Giovanni Rezza, Paolo Rossi
BACKGROUND: Prevalence of allergy has steeply increased during the past few decades, particularly in high-income countries. The development of atopy could present different characteristics in internationally adopted children with regard to incidence, specific patterns of allergies and timing of occurrence. We aimed to investigate the occurrence of allergic diseases among adopted children in Italy. METHODS: We collected demographic information, preadoption immunization data, infectious diseases screening results, immunological status, and performed hematological and biochemical tests according to a standardized protocol in 108 adopted children...
January 4, 2018: Italian Journal of Pediatrics
https://www.readbyqxmd.com/read/29287090/immune-activation-despite-preserved-cd4-t-cells-in-perinatally-hiv-infected-children-and-adolescents
#3
Patricia Alvarez, Mussa Mwamzuka, Fatma Marshed, Adam Kravietz, Tiina Ilmet, Aabid Ahmed, William Borkowsky, Alka Khaitan
BACKGROUND: HIV disease progresses more rapidly in children than adults with mortality rates exceeding 50% by 2 years of age without antiretroviral therapy (ART) in sub-Saharan Africa. Recent World Health Organization (WHO) guidelines recommend universal treatment for all living persons with HIV, yet there is limited supporting evidence in pediatric populations. The objective of this study was to determine whether CD4 cell counts reflect immunological markers associated with disease progression in ART naïve perinatally-infected HIV+ children and adolescents and their response to ART...
2017: PloS One
https://www.readbyqxmd.com/read/29284469/both-inflammatory-and-regulatory-cytokine-responses-to-malaria-are-blunted-with-increasing-age-in-highly-exposed-children
#4
Lila Farrington, Hilary Vance, John Rek, Mary Prahl, Prasanna Jagannathan, Agaba Katureebe, Emmanuel Arinaitwe, Moses R Kamya, Grant Dorsey, Margaret E Feeney
BACKGROUND: Young children are at greatest risk for malaria-associated morbidity and mortality. The immune response of young children differs in fundamental ways from that of adults, and these differences likely contribute to the increased susceptibility of children to severe malaria and to their delayed development of immunity. Elevated levels of pro-inflammatory cytokines and chemokines in the peripheral blood during acute infection contribute to the control of parasitaemia, but are also responsible for much of the immunopathology seen during symptomatic disease...
December 29, 2017: Malaria Journal
https://www.readbyqxmd.com/read/29260483/prophylactic-potential-of-synbiotic-lactobacillus-casei-and-inulin-in-malnourished-murine-giardiasis-an-immunological-and-ultrastructural-study
#5
Geeta Shukla, Anuj Sharma, Ruchika Bhatia, Mridul Sharma
Giardiasis is a re-emerging infectious disease with outbreaks reported globally specially in children and malnourished individuals leading to malabsorption, growth retardation, and severe diarrhea. Thus, in the present study, prophylactic administration of synbiotic as the functional food was used to assess its antigiardial potential in malnourished murine giardiasis. Interestingly, prior administration of synbiotic (Lactobacillus casei + inulin) even to malnourished-Giardia-infected mice led to increased body mass, small intestine mass, lactobacilli counts, and reduced severity of giardiasis as evident by decreased cyst and trophozoite counts...
December 19, 2017: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/29248635/immunological-bases-of-increased-susceptibility-to-invasive-nontyphoidal-salmonella-infection-in-children-with-malaria-and-anaemia
#6
Tonney S Nyirenda, Wilson L Mandala, Melita A Gordon, Piero Mastroeni
Malaria and anaemia are key underlying factors for iNTS disease in African children. Knowledge of clinical and epidemiological risk-factors for iNTS disease has not been paralleled by an in-depth knowledge of the immunobiology of the disease. Herein, we review human and animal studies on mechanisms of increased susceptibility to iNTS in children.
December 14, 2017: Microbes and Infection
https://www.readbyqxmd.com/read/29229171/special-considerations-in-pediatric-kidney-transplantation
#7
REVIEW
Sean A Hebert, Rita D Swinford, David R Hall, Jason K Au, John S Bynon
Universally accepted as the treatment of choice for children needing renal replacement therapy, kidney transplantation affords children the opportunity for an improved quality of life over dialysis therapy. Immunologic and surgical advances over the last 15 years have improved the pediatric patient and kidney graft survival. Unique to pediatrics, congenital genitourinary anomalies are the most common primary diseases leading to kidney failure, many with urological issues. Early urological evaluation for post-transplant bladder dysfunction and emphasis on immunization adherence are the mainstays of pediatric pretransplant and post-transplant evaluations...
November 2017: Advances in Chronic Kidney Disease
https://www.readbyqxmd.com/read/29165615/human-herpesvirus-8-in-perinatally-hiv-infected-children-with-interstitial-lung-disease
#8
Marcelo Comerlato Scotta, Alexandre Todorovic Fabro, Paula Renata Lima Machado, Simone Gusmão Ramos, Maria Célia Cervi, Benedito Antônio Lopes da Fonseca, Fabrizio Motta, Bento Vidal de Moura Negrini
Introduction: Human herpesvirus 8 (HHV-8) is associated with the pathogenesis of Kaposi Sarcoma and interstitial pneumonitis in adults. This study aims to evaluate association between HHV-8 and interstitial lung disease in HIV-infected children. Methods: HIV-infected children with interstitial pneumonitis underwent lung biopsies in a tertiary hospital and were investigated for HHV-8, Epstein-Barr virus (EBV) and cytomegalovirus (CMV) using polymerase chain reaction (PCR) and immunohistochemistry in lung tissue...
November 20, 2017: Journal of Tropical Pediatrics
https://www.readbyqxmd.com/read/29146214/-treatments-of-steroid-dependent-nephrotic-syndrome-in-children
#9
A Couderc, E Bérard, V Guigonis, I Vrillon, J Hogan, V Audard, V Baudouin, C Dossier, O Boyer
Primary nephrotic syndrome (NS) is the most common glomerular disease in children. It is characterized by massive proteinuria and hypoalbuminemia. It typically has a sudden onset and more than 70% of patients will experience at least one relapse. An immunological origin has long been postulated, although the precise molecular mechanisms underlying the disease remain debated. Steroids are the first-line therapy with cumulative dose and duration of initial treatment varying among countries. Steroid-sparing agents may be indicated in case of steroid-dependency or frequent relapses...
November 13, 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/29141310/-analysis-of-gene-mutation-of-early-onset-epileptic-spasm-with-unknown-reason
#10
X Yang, G Pan, W H Li, L M Zhang, B B Wu, H J Wang, P Zhang, S Z Zhou
Objective: To summarize the gene mutation of early onset epileptic spasm with unknown reason. Method: In this prospective study, data of patients with early onset epileptic spasm with unknown reason were collected from neurological department of Children's Hospital of Fudan University between March 2016 and December 2016. Patients with known disorders such as infection, metabolic, structural, immunological problems and known genetic mutations were excluded. Patients with genetic disease that can be diagnosed by clinical manifestations and phenotypic characteristics were also excluded...
November 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/29093091/a-3-0-angstrom-resolution-cryo-electron-microscopy-structure-and-antigenic-sites-of-coxsackievirus-a6-like-particles
#11
Jinhuan Chen, Chao Zhang, Yu Zhou, Xiang Zhang, Chaoyun Shen, Xiaohua Ye, Wen Jiang, Zhong Huang, Yao Cong
Coxsackievirus A6 (CVA6) has recently emerged as one of the predominant causative agents of hand, foot, and mouth disease (HFMD). Structure of CVA6 mature viral particle has not been solved thus far. Our previous work shows that recombinant virus-like particles (VLPs) of CVA6 represent a promising CVA6 vaccine candidate. Here, we report the first cryo-electron microscopy (cryo-EM) structure of CVA6 VLP at 3.0 Å resolution. CVA6 VLP exhibits the characteristic features of enteroviruses, but presents an open channel at the two-fold axis and an empty, collapsed VP1 pocket, which is broadly similar to the structures of enterovirus 71 (EV71) VLP and coxsackievirus A16 (CVA16) 135S expanded particle, indicating that CVA6 VLP is in an expanded conformation...
November 1, 2017: Journal of Virology
https://www.readbyqxmd.com/read/29078078/characterization-of-type-i-interferon-responses-in-dengue-and-severe-dengue-in-children-in-paraguay
#12
Laura B Talarico, Alana B Byrne, Sara Amarilla, Dolores Lovera, Cynthia Vázquez, Gustavo Chamorro, Patricio L Acosta, Adrián Ferretti, Mauricio T Caballero, Antonio Arbo, Fernando P Polack
BACKGROUND: Infection with dengue virus (DENV) produces a wide spectrum of clinical illness ranging from asymptomatic infection to mild febrile illness, and to severe forms of the disease. Type I interferons (IFNs) represent an initial and essential host defense response against viruses. DENV has been reported to trigger a robust type I IFN response; however, IFN-α/β profile in the progression of disease is not well characterized. OBJECTIVES AND STUDY DESIGN: In this context, we conducted a retrospective study assessing the circulating serum levels of type I IFNs and related cytokines at different phases of illness in children during the 2011 outbreak of DENV in Paraguay...
October 18, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/29026737/eosinophilic-gastrointestinal-disorder-presenting-as-intractable-vomiting-and-ascites-in-a-young-girl
#13
Ji Yoon Kwon, Ji Sun Huh, Bo Kyung Je, Kwang Dae Hong, Jee Hyun Lee
Eosinophilic gastrointestinal disorder (EGID) is a rare disease in children that affects the bowel wall, with eosinophilic infiltration in the absence of any other causes for eosinophilia. The etiology remains unknown, but allergies and immunological imbalance are suspected triggers. We encountered a case of serosal EGID presenting as intractable vomiting and ascites in a 9-year-old girl, after influenza virus infection. Peripheral eosinophilia was not present. The diagnosis was confirmed by biopsy of the bowel wall through laparotomy and endoscopy, and controlled by 2 courses of steroid therapy due to recurring symptoms...
September 2017: Pediatric Gastroenterology, Hepatology & Nutrition
https://www.readbyqxmd.com/read/28970295/infectious-and-non-infectious-complications-in-primary-immunodeficiency-disorders-an-autopsy-study-from-north-india
#14
Kirti Gupta, Amit Rawat, Parimal Agrawal, Ankur Jindal, Ritambhra Nada, Biman Saikia, Koon Wing Chan, Yu Lung Lau, Ranjana Walker Minz, Surjit Singh
BACKGROUND: Primary immunodeficiency disorders (PID) include a wide spectrum of inherited disorders characterised by functional abnormalities of one or more components of the immune system. Recent updates from the genomic data have contributed significantly to its better understanding with identification of new entities. Diagnosis is always challenging due to their variable clinical presentation. With the evolution of molecular diagnosis, many of these children are being diagnosed early and offered appropriate therapy...
September 28, 2017: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28967524/vaccination-strategies-in-pediatric-inflammatory-bowel-disease
#15
REVIEW
Valeria Dipasquale, Claudio Romano
The incidence of pediatric inflammatory bowel disease (IBD) is rising, as is the use of immunomodulatory and biological drugs. IBD patients are vulnerable to infections owing to disease-related immunological alterations and drug-induced systemic immunosuppression. Although many infections are vaccine-preventable, vaccination coverage in IBD patients is insufficient. Current guidelines recommend that children with IBD follow the same routine immunization schedule as healthy children, avoiding live vaccines during immunosuppressive therapy...
October 27, 2017: Vaccine
https://www.readbyqxmd.com/read/28928736/selective-igm-deficiency-an-underestimated-primary-immunodeficiency
#16
REVIEW
Sudhir Gupta, Ankmalika Gupta
Although selective IgM deficiency (SIGMD) was described almost five decades ago, it was largely ignored as a primary immunodeficiency. SIGMD is defined as serum IgM levels below two SD of mean with normal serum IgG and IgA. It appears to be more common than originally realized. SIGMD is observed in both children and adults. Patients with SIGMD may be asymptomatic; however, approximately 80% of patients with SIGMD present with infections with bacteria, viruses, fungi, and protozoa. There is an increased frequency of allergic and autoimmune diseases in SIGMD...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28903523/fungal-infections-of-the-central-nervous-system-in-children
#17
Matthew W McCarthy, Darius Kalasauskas, Vidmantas Petraitis, Ruta Petraitiene, Thomas J Walsh
Although uncommon in children, fungal infections of the central nervous system can be devastating and difficult to treat. A better understanding of basic mycologic, immunologic, and pharmacologic processes has led to important advances in the diagnosis and management of these diseases, but their mortality rates remain unacceptably high. In this focused review, we examine the epidemiology and clinical features of the most common fungal pathogens of the central nervous system in children and explore recent advances in diagnosis and antifungal therapy...
September 1, 2017: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/28855396/increased-adaptive-immune-responses-and-proper-feedback-regulation-protect-against-clinical-dengue
#18
Etienne Simon-Lorière, Veasna Duong, Ahmed Tawfik, Sivlin Ung, Sowath Ly, Isabelle Casadémont, Matthieu Prot, Noémie Courtejoie, Kevin Bleakley, Philippe Buchy, Arnaud Tarantola, Philippe Dussart, Tineke Cantaert, Anavaj Sakuntabhai
Clinical symptoms of dengue virus (DENV) infection, the most prevalent arthropod-borne viral disease, range from classical mild dengue fever to severe, life-threatening dengue shock syndrome. However, most DENV infections cause few or no symptoms. Asymptomatic DENV-infected patients provide a unique opportunity to decipher the host immune responses leading to virus elimination without negative impact on an individual's health. We used an integrated approach of transcriptional profiling and immunological analysis to compare a Cambodian population of strictly asymptomatic viremic individuals with clinical dengue patients...
August 30, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28804700/abridged-version-of-the-awmf-guideline-for-the-medical-clinical-diagnostics-of-indoor-mould-exposure-s2k-guideline-of-the-german-society-of-hygiene-environmental-medicine-and-preventive-medicine-ghup-in-collaboration-with-the-german-association-of-allergists
#19
Gerhard A Wiesmüller, Birger Heinzow, Ute Aurbach, Karl-Christian Bergmann, Albrecht Bufe, Walter Buzina, Oliver A Cornely, Steffen Engelhart, Guido Fischer, Thomas Gabrio, Werner Heinz, Caroline E W Herr, Jörg Kleine-Tebbe, Ludger Klimek, Martin Köberle, Herbert Lichtnecker, Thomas Lob-Corzilius, Rolf Merget, Norbert Mülleneisen, Dennis Nowak, Uta Rabe, Monika Raulf, Hans Peter Seidl, Jens-Oliver Steiß, Regine Szewszyk, Peter Thomas, Kerttu Valtanen, Julia Hurraß
This article is an abridged version of the AWMF mould guideline "Medical clinical diagnostics of indoor mould exposure" presented in April 2016 by the German Society of Hygiene, Environmental Medicine and Preventive Medicine (Gesellschaft für Hygiene, Umweltmedizin und Präventivmedizin, GHUP), in collaboration with the above-mentioned scientific medical societies, German and Austrian societies, medical associations and experts. Indoor mould growth is a potential health risk, even if a quantitative and/or causal relationship between the occurrence of individual mould species and health problems has yet to be established...
2017: Allergo Journal International
https://www.readbyqxmd.com/read/28791823/echocardiographic-characteristics-of-pulmonary-arterial-hypertension-in-children-with-horizontally-transmitted-hiv
#20
Anca Meda Georgescu, Cosmin Moldovan, Janos Szederjesi, Dan Georgescu, Leonard Azamfirei
BACKGROUND: The prevalence of primitive pulmonary arterial hypertension (PAH) in patients with human immunodeficiency virus infection (HIV) is estimated at approximately 0.5%, significantly higher than in the general population. OBJECTIVES: This study aimed to assess the echocardiographic modifications in HIV-associated pulmonary arterial hypertension (PAH). MATERIAL AND METHODS: A group of 117 patients, aged under 16, with horizontally transmitted HIV staged according to the U...
May 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
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