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Severe infectious diseases

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https://www.readbyqxmd.com/read/29346512/validation-of-the-pids-idsa-severity-criteria-in-children-with-community-acquired-pneumonia
#1
Todd A Florin, Cole Brokamp, Rachel Mantyla, Bradley DePaoli, Richard Ruddy, Samir S Shah, Lilliam Ambroggio
Background: The Pediatric Infectious Diseases Society (PIDS)/Infectious Diseases Society of America (IDSA) guideline for community-acquired pneumonia (CAP) recommends intensive care unit (ICU) admission or continuous monitoring for children meeting severity criteria. Our objective was to validate these criteria. Methods: This was a retrospective cohort study of children age 3 months-18 years diagnosed with CAP in a pediatric Emergency Department (ED) from 9/2014-8/2015...
January 13, 2018: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29345577/probiotics-and-paraprobiotics-in-viral-infection-clinical-application-and-effects-on-the-innate-and-acquired-immune-systems
#2
Osamu Kanauchi, Akira Andoh, Sazaly AbuBakar, Naoki Yamamoto
Recently, the risk of viral infection has dramatically increased owing to changes in human ecology such as global warming and an increased geographical movement of people and goods. However, the efficacy of vaccines and remedies for infectious diseases is limited by the high mutation rates of viruses, especially, RNA viruses. Here, we comprehensively review the effectiveness of several probiotics and paraprobiotics (sterilized probiotics) for the prevention or treatment of virally-induced infectious diseases...
January 16, 2018: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/29345518/bacterial-pathogenesis-and-interleukin-17-interconnecting-mechanisms-of-immune-regulation-host-genetics-and-microbial-virulence-that-influence-severity-of-infection
#3
Michelle N Chamoun, Antje Blumenthal, Matthew J Sullivan, Mark A Schembri, Glen C Ulett
Interleukin-17 (IL-17) is a pro-inflammatory cytokine involved in the control of many different disorders, including autoimmune, oncogenic, and diverse infectious diseases. In the context of infectious diseases, IL-17 protects the host against various classes of microorganisms but, intriguingly, can also exacerbate the severity of some infections. The regulation of IL-17 expression stems, in part, from the activity of Interleukin-23 (IL-23), which drives the maturation of different classes of IL-17-producing cells that can alter the course of infection...
January 18, 2018: Critical Reviews in Microbiology
https://www.readbyqxmd.com/read/29344035/hypercalcaemic-pancreatitis-adrenal-insufficiency-autoimmune-thyroiditis-and-diabetes-mellitus-in-a-girl-with-probable-sarcoidosis
#4
Devi Dayal, Olivia Pepper, Renuka Ramakrishnan, Eileen Baildam, Poonam Dharmaraj, Gavin Cleary, Liza McCann, Clare Pain, Senthil Senniappan
Introduction: Sarcoidosis is a multisystemic granulomatous disease with diverse and often non-specific symptoms during childhood. The clinical manifestations sometimes include endocrinopathies related to sarcoid infiltration of various endocrine organs, but more commonly due to the associated autoimmune endocrine disorders. There are only a few reports of multiple autoimmune and non-autoimmune endocrine problems occurring simultaneously in patients with sarcoidosis. We report a girl with probable sarcoidosis who also had Hashimoto's thyroiditis, Type 1 diabetes (T1D) and secondary adrenal insufficiency...
October 2017: International Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29343216/an-appraisal-how-notifiable-infectious-diseases-are-reported-by-hungarian-family-physicians
#5
Katalin Vraukó, Zoltán Jancsó, László Kalabay, Andrea Lukács, Gabriella Maráczi, Lajos Mester, Anna Nánási, József Rinfel, Tamás Sárosi, Ferenc Tamás, Albert Varga, József Vitrai, Imre Rurik
BACKGROUND: Within the frame of National Epidemiological Surveillance System, family physicians have an obligation to report infections and suspicions cases. The aim of this study was to evaluate the knowledge, attitudes, daily practice and the reporting activities of Hungarian family physicians regarding to infectious diseases. METHODS: A self-administered survey was developed, validated and used. The survey was completed by family physicians who had taken part in continuous medical educational programmes of all Hungarian medical faculties...
January 17, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29342165/increased-colon-cancer-risk-after-severe-salmonella-infection
#6
Lapo Mughini-Gras, Michael Schaapveld, Jolanda Kramers, Sofie Mooij, E Andra Neefjes-Borst, Wilfrid van Pelt, Jacques Neefjes
BACKGROUND: Colon cancer constitutes one of the most frequent malignancies. Previous studies showed that Salmonella manipulates host cell signaling pathways and that Salmonella Typhimurium infection facilitates colon cancer development in genetically predisposed mice. This epidemiological study examined whether severe Salmonella infection, usually acquired from contaminated food, is associated with increased colon cancer risk in humans. METHODS AND FINDINGS: We performed a nationwide registry-based study to assess colon cancer risk after diagnosed Salmonella infection...
2018: PloS One
https://www.readbyqxmd.com/read/29340165/nitric-oxide-induced-by-indian-ginseng-root-extract-inhibits-infectious-bursal-disease-virus-in-chicken-embryo-fibroblasts-in-vitro
#7
Bhaskar Ganguly, Vijaypillai Umapathi, Sunil Kumar Rastogi
Infectious Bursal Disease is a severe viral disease of chicken responsible for serious economic losses to poultry farmers. The causative agent, Infectious Bursal Disease virus, is inhibited by nitric oxide. Root extract of the Indian ginseng, Withania somnifera, inhibits Infectious Bursal Disease virus in vitro. Also, Withania somnifera root extract is known to induce nitric oxide production in vitro. Therefore, the present study was undertaken to determine if the inhibitory activity of Withania somnifera against Infectious Bursal Disease virus was based on the production of nitric oxide...
2018: Journal of Animal Science and Technology
https://www.readbyqxmd.com/read/29339678/endarteritis-of-coarctation-of-the-aorta-diagnosed-with-pet-ct
#8
Ümit Yaşar Sinan, Burcu Dirlik Serim, Rukiye Yıldırım, Özge Çetinarslan, Mehmet Serdar Küçükoğlu
Infective endocarditis (IE) is an infectious disease that affects the endothelium of the large intrathoracic vessels, heart valves, and intra-cardiac foreign body material. A 20-year-old woman was admitted to the cardiology department with complaints of fever and palpitations. Transthoracic echocardiography revealed a bicuspid aortic valve, aortic root enlargement, and aortic coarctation. Transesophageal echocardiography revealed a bicuspid aortic valve, but there was no vegetation. Methicillin-sensitive Staphylococcus aureus was identified on a blood culture...
January 2018: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/29339297/the-experiences-and-perspectives-of-implementing-antimicrobial-stewardship-in-five-french-hospitals-a-qualitative-study
#9
Anne Perozziello, Christelle Routelous, Esmita Charani, Alice Truel, Gabriel Birgand, Yazdan Yazdanpanah, François-Xavier Lescure, Jean-Christophe Lucet
OBJECTIVE: To describe current antimicrobial stewardship program (ASP) in France, both at policy level and at local implementation level, and to assess how ASP leaders (ASPL) worked and prioritised their activities. METHODS: We conducted a qualitative study based on face-to-face semi-structured interviews with healthcare professionals responsible for ASP across five French hospitals. Five infectious disease specialists and one microbiologist were interviewed between April and June 2016...
January 12, 2018: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/29339220/a-new-chimeric-triple-reporter-fusion-protein-as-a-tool-for-in-vitro-and-in-vivo-multimodal-imaging-to-monitor-the-development-of-african-trypanosomes-and-leishmania-parasites
#10
Estefania Calvo Alvarez, Christelle Cren-Travaillé, Aline Crouzols, Brice Rotureau
Trypanosomiases and leishmaniases, caused by a group of related protist parasites, are Neglected Tropical Diseases currently threatening >500 million people worldwide. Reporter proteins have revolutionised the research on infectious diseases and have opened up new advances in the understanding of trypanosomatid-borne diseases in terms of both biology, pathogenesis and drug development. Here, we describe the generation and some applications of a new chimeric triple reporter fusion protein combining the red-shifted firefly luciferase PpyREH9 and the tdTomato red fluorescent protein, fused by the TY1 tag...
January 12, 2018: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/29338721/infectious-keratoconjunctivitis-in-semi-domesticated-eurasian-tundra-reindeer-rangifer-tarandus-tarandus-microbiological-study-of-clinically-affected-and-unaffected-animals-with-special-reference-to-cervid-herpesvirus-2
#11
Javier Sánchez Romano, Torill Mørk, Sauli Laaksonen, Erik Ågren, Ingebjørg H Nymo, Marianne Sunde, Morten Tryland
BACKGROUND: Infectious keratoconjunctivitis (IKC) is one of the most common ocular diseases in ruminants worldwide. In addition to keratitis and conjunctivitis, animals with IKC can develop uveitis, corneal ulcer, and in severe cases, blindness. The bacteria Moraxella spp. has been described as the primary causative agent of infectious bovine keratoconjunctivitis (IBK) in cattle (Bos taurus), while Chlamydia spp. and Mycoplasma conjunctivae are considered the main causative agents of IKC in sheep (Ovis aries)...
January 16, 2018: BMC Veterinary Research
https://www.readbyqxmd.com/read/29338608/immunotherapy-of-cancer-targeting-cancer-during-active-disease-or-during-dormancy
#12
Syed Ammer Shah, Melika Zarei, Saeed H Manjili, Georgi Guruli, Xiang-Yang Wang, Masoud H Manjili
Immunotherapeutic targeting of advanced stage cancers has prolonged the survival of cancer patients, yet its curative efficacy is limited due to tumor immunoediting and escape. On the other hand, human vaccines have been able to eradicate smallpox and control several other infectious diseases. The success has resulted from the administration of vaccines in prophylactic settings, or during latency periods in order to protect an individual during future exposure to the disease rather than curing an established disease...
September 2017: Immunotherapy
https://www.readbyqxmd.com/read/29334446/pediatric-community-acquired-pneumonia
#13
Stephanie Posten, Jennifer Reed
Pediatric community acquired pneumonia (CAP) is frequently encountered by medical providers and is one of the most common reasons for hospital admission. CAP is known to cause significant morbidity and mortality, causing greater than 2 million deaths annually worldwide in children younger than five years old. The Infectious Disease Society of America (IDSA) released guidelines in 2011 with recommendations regarding appropriate diagnosis and management of community acquired pneumonia for children greater than 3 months age, with the goal of assisting providers in clinical decision making...
December 2017: South Dakota Medicine: the Journal of the South Dakota State Medical Association
https://www.readbyqxmd.com/read/29332591/anti-trypanosoma-cruzi-activity-in-vitro-of-phases-and-isolated-compounds-from-excoecaria-lucida-leaves
#14
Cristiane Franca da Silva, Ania Ochoa Pacheco, Rayane Nogueira Alves, Josean Fechine Tavares, Marcelo Sobral da Silva, Julio Cesar Escalona Arranz
BACKGROUND: Chagas disease is caused by the protozoan parasite Trypanosoma cruzi. This illness is found mainly in 21 Latin American countries and an estimated 8 million people are infected worldwide. The unsatisfactory chemotherapy provokes severe toxicity and resistant strains. Medicinal plants constitute a promising source of new drugs and remedies against all kinds of disorders, mainly infectious diseases arousing interest worldwide. OBJECTIVE: The aim of this study has been the isolation, structural identification and evaluation of the trypanocidal activity of samples present in the Excoecaria lucida Sw...
January 11, 2018: Medicinal Chemistry
https://www.readbyqxmd.com/read/29332042/protective-effects-of-indian-spice-curcumin-against-amyloid-%C3%AE-in-alzheimer-s-disease
#15
P Hemachandra Reddy, Maria Manczak, Xiangling Yin, Mary Catherine Grady, Andrew Mitchell, Sahil Tonk, Chandra Sekhar Kuruva, Jasvinder Singh Bhatti, Ramesh Kandimalla, Murali Vijayan, Subodh Kumar, Rui Wang, Jangampalli Adi Pradeepkiran, Gilbert Ogunmokun, Kavya Thamarai, Kandi Quesada, Annette Boles, Arubala P Reddy
The purpose of our article is to assess the current understanding of Indian spice, curcumin, against amyloid-β (Aβ)-induced toxicity in Alzheimer's disease (AD) pathogenesis. Natural products, such as ginger, curcumin, and gingko biloba have been used as diets and dietary supplements to treat human diseases, including cancer, cardiovascular, respiratory, infectious, diabetes, obesity, metabolic syndromes, and neurological disorders. Products derived from plants are known to have protective effects, including anti-inflammatory, antioxidant, anti-arthritis, pro-healing, and boosting memory cognitive functions...
2018: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29331587/il-23-il-17-immune-axis-in-guillain-barr%C3%A3-syndrome-exploring-newer-vistas-for-understanding-pathobiology-and-therapeutic-implications
#16
REVIEW
Monojit Debnath, Madhu Nagappa, Geetanjali Murari, Arun B Taly
Guillain Barré Syndrome (GBS) is a severe disorder of the peripheral nervous system with an inadequately known etiopathology. It is a post infectious immune mediated disorder, characterized by autoantibody production, complement activation as well as T reactivity against gangliosides. However, the precise etiopathogenesis remains poorly understood in a majority of the patients. Th17 cells, a recently identified lineage of Th cells have emerged as a predominant inducer of autoimmunity and inflammation in various immunological disorders...
January 10, 2018: Cytokine
https://www.readbyqxmd.com/read/29330304/efficient-prion-disease-transmission-through-common-environmental-materials
#17
Sandra Pritzkow, Rodrigo Morales, Adam Lyon, Luis Concha-Marambio, Akihiko Urayama, Claudio Soto
Prion diseases are a group of fatal neurodegenerative diseases associated with a protein-based infectious agent, termed prion. Compelling evidence suggests that natural transmission of prion diseases is mediated by environmental contamination with infectious prions. We hypothesized that several natural and man-made materials, commonly found in the environments of wild and captive animals, can bind prions and may act as vectors for disease transmission. To test our hypothesis, we exposed surfaces composed of various common environmental materials (i...
January 12, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29329957/safety-and-tolerability-of-a-novel-polyclonal-human-anti-mers-coronavirus-antibody-produced-from-transchromosomic-cattle-a-phase-1-randomised-double-blind-single-dose-escalation-study
#18
John H Beigel, Jocelyn Voell, Parag Kumar, Kanakatte Raviprakash, Hua Wu, Jin-An Jiao, Eddie Sullivan, Thomas Luke, Richard T Davey
BACKGROUND: Middle East respiratory syndrome (MERS) is a severe respiratory illness with an overall mortality of 35%. There is no licensed or proven treatment. Passive immunotherapy approaches are being developed to prevent and treat several human medical conditions where alternative therapeutic options are absent. We report the safety of a fully human polyclonal IgG antibody (SAB-301) produced from the hyperimmune plasma of transchromosomic cattle immunised with a MERS coronavirus vaccine...
January 9, 2018: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/29329410/1918-h1n1-influenza-virus-replicates-and-induces-pro-inflammatory-cytokine-responses-in-extra-respiratory-tissues-of-ferrets
#19
Emmie de Wit, Jurre Siegers, Jacqueline M Cronin, Sarah Weatherman, Judith van den Brand, Lonneke M Leijten, Peter van Run, Lineke Begeman, Henk-Jan van den Ham, Arno C Andeweg, Trenton Bushmaker, Dana P Scott, Greg Saturday, Vincent J Munster, Heinz Feldmann, Debby van Riel
Background: The 1918 Spanish H1N1 influenza pandemic was the most severe recorded influenza pandemic with an estimated 20-50 million deaths worldwide. Even though it is known that influenza viruses can cause extra-respiratory tract complications-which are often severe or even fatal- the potential contribution of extra-respiratory tissues to the pathogenesis of 1918 H1N1 virus infection has not been studied comprehensively. Methods: Here, we performed a time course study in ferrets inoculated intranasally with 1918 H1N1 virus, with special emphasis on the involvement of extra-respiratory tissues...
January 10, 2018: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29329095/investigation-of-silver-ag-deposition-in-tissues-from-stranded-cetaceans-by-autometallography-amg
#20
Wen-Ta Li, Hui-Wen Chang, Meng-Hsien Chen, Hue-Ying Chiou, Bang-Yeh Liou, Victor Fei Pang, Wei-Cheng Yang, Chian-Ren Jeng
Silver, such as silver nanoparticles (AgNPs), has been widely used in commercial products and may be released into the environment. The interaction between Ag deposition and biological systems is raising serious concerns because of one health consideration. Cetaceans, as the top predators of the oceans, may be exposed to Ag/Ag compounds and suffer negative health impacts from the deposition of these compounds in their bodies. In the present study, we utilized autometallography (AMG) to localize the Ag in the liver and kidney tissues of cetaceans and developed a model called the cetacean histological Ag assay (CHAA) to estimate the Ag concentrations in the liver and kidney tissues of cetaceans...
January 9, 2018: Environmental Pollution
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