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https://www.readbyqxmd.com/read/28921535/genome-wide-host-rna-signatures-of-infectious-diseases-discovery-and-clinical-translation
#1
REVIEW
Harriet D Gliddon, Jethro A Herberg, Michael Levin, Myrsini Kaforou
The use of whole blood gene expression to derive diagnostic biomarkers capable of distinguishing between phenotypically similar diseases holds great promise but remains a challenge. Differential gene expression analysis is used to identify the key genes that undergo changes in expression relative to healthy individuals, as well as to patients with other diseases. These key genes can act as diagnostic, prognostic and predictive markers of disease. Gene expression 'signatures' in the blood hold potential to be used for the diagnosis of infectious diseases, where current diagnostics are unreliable, ineffective or of limited potential...
September 16, 2017: Immunology
https://www.readbyqxmd.com/read/28919835/high-resolution-infrared-thermography-a-new-tool-to-assess-tungiasis-associated-inflammation-of-the-skin
#2
Angela Schuster, Marlene Thielecke, Vaomalala Raharimanga, Charles Emile Ramarokoto, Christophe Rogier, Ingela Krantz, Hermann Feldmeier
BACKGROUND: Tungiasis is highly prevalent in low- and middle-income countries but remains often under diagnosed and untreated eventually leading to chronic sequels. The objective of the study was to assess whether tungiasis-associated inflammation can be detected and quantified by high-resolution infrared thermography (HRIT) and whether after removal of the parasite inflammation resolves rapidly. METHODS: Patients with tungiasis were identified through active case finding...
2017: Tropical Medicine and Health
https://www.readbyqxmd.com/read/28919803/empirical-validation-of-the-horowitz-multiple-systemic-infectious-disease-syndrome-questionnaire-for-suspected-lyme-disease
#3
Maryalice Citera, Phyllis R Freeman, Richard I Horowitz
PURPOSE: Lyme disease is spreading worldwide, with multiple Borrelia species causing a broad range of clinical symptoms that mimic other illnesses. A validated Lyme disease screening questionnaire would be clinically useful for both providers and patients. Three studies evaluated such a screening tool, namely the Horowitz Multiple Systemic Infectious Disease Syndrome (MSIDS) Questionnaire. The purpose was to see if the questionnaire could accurately distinguish between Lyme patients and healthy individuals...
2017: International Journal of General Medicine
https://www.readbyqxmd.com/read/28919455/is-there-a-role-for-il-17-in-the-pathogenesis-of-systemic-sclerosis
#4
REVIEW
Carlo Chizzolini, Aleksandra Maria Dufour, Nicolò Costantino Brembilla
In systemic sclerosis (SSc) immuno-inflammatory events are central to disease development. Amongst other mediators of inflammation, interleukin 17 (IL-17) and Th17 cells have been reported to be increased in the peripheral blood and target organs including involved skin in SSc. They participate and amplify inflammatory responses by inducing the production of cytokines such as IL-6, chemokines such as CCL2 and CXCL8 (IL-8), matrix metalloproteinases-1, -2, -9 and the expression of adhesion molecules in stromal cells including fibroblasts and endothelial cells...
September 14, 2017: Immunology Letters
https://www.readbyqxmd.com/read/28919438/molecular-targets-and-pathways-for-the-treatment-of-visceral-leishmaniasis
#5
REVIEW
Vineet Jain, Keerti Jain
Visceral leishmaniasis (VL) represents the most severe form of the tropical disease, leishmaniasis. Treatment of VL is complicated because of the few clinically approved antileishmanial drugs available; emerging resistance to first-line drugs; need for a temperature-controlled 'cold' supply chain; serious toxicity concerns over drugs such as Amphotericin B; high cost of medication; and unavailability of clinically approved antileishmanial vaccines. Attacking potential molecular targets, specific to the parasite, is a vital step in the treatment of this and other infectious diseases...
September 14, 2017: Drug Discovery Today
https://www.readbyqxmd.com/read/28919338/diagnostic-accuracy-of-xpert-mtb-rif-ultra-for-tuberculous-meningitis-in-hiv-infected-adults-a-prospective-cohort-study
#6
Nathan C Bahr, Edwin Nuwagira, Emily E Evans, Fiona V Cresswell, Philip V Bystrom, Adolf Byamukama, Sarah C Bridge, Ananta S Bangdiwala, David B Meya, Claudia M Denkinger, Conrad Muzoora, David R Boulware
BACKGROUND: WHO recommends Xpert MTB/RIF as initial diagnostic testing for tuberculous meningitis. However, diagnosis remains difficult, with Xpert sensitivity of about 50-70% and culture sensitivity of about 60%. We evaluated the diagnostic performance of the new Xpert MTB/RIF Ultra (Xpert Ultra) for tuberculous meningitis. METHODS: We prospectively obtained diagnostic cerebrospinal fluid (CSF) specimens during screening for a trial on the treatment of HIV-associated cryptococcal meningitis in Mbarara, Uganda...
September 14, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/28919115/global-regional-and-national-under-5-mortality-adult-mortality-age-specific-mortality-and-life-expectancy-1970-2016-a-systematic-analysis-for-the-global-burden-of-disease-study-2016
#7
(no author information available yet)
BACKGROUND: Detailed assessments of mortality patterns, particularly age-specific mortality, represent a crucial input that enables health systems to target interventions to specific populations. Understanding how all-cause mortality has changed with respect to development status can identify exemplars for best practice. To accomplish this, the Global Burden of Diseases, Injuries, and Risk Factors Study 2016 (GBD 2016) estimated age-specific and sex-specific all-cause mortality between 1970 and 2016 for 195 countries and territories and at the subnational level for the five countries with a population greater than 200 million in 2016...
September 16, 2017: Lancet
https://www.readbyqxmd.com/read/28918971/-pulmonary-nocardiosis-with-cerebral-abscesses-mimicking-metastatic-lung-cancer-three-cases-and-a-review-of-literature
#8
A Fourrier, M Kerjouan, C Piau, P A Lentz, C Ricordel, H Léna, R Corre, B Desrues, S Jouneau
Nocardiosis is an infectious disease with wide range of clinical features, which can eventually lead to death. The agent responsible belongs to the genus Nocardia that includes about fifty different species. Nocardiosis occurs mainly in immunocompromised hosts. We report here three cases of disseminated nocardiosis misdiagnosed initially as cerebral metastatic lung cancer. These patients, including two immunocompetent hosts, presented with both pulmonary and cerebral lesions. In all three patients, the diagnosis was based on magnetic resonance imaging with diffusion sequence, apparent diffusion coefficient reconstruction and neurosurgical cerebral biopsies...
September 14, 2017: Revue des Maladies Respiratoires
https://www.readbyqxmd.com/read/28918638/a-rapid-blood-test-to-determine-the-active-status-and-duration-of-acute-viral-infection
#9
Tianyu Zheng, Caroline Finn, Christopher Parrett, Kunal Dhume, Ji Hae Hwang, David Sidhom, Tara Strutt, Yuen Yee Li Sip, Karl McKinstry, Qun Huo
The ability to rapidly detect and diagnose acute viral infections is crucial for infectious disease control and management. Serology testing for the presence of virus-elicited antibodies in blood is one of the methods used commonly for clinical diagnosis of viral infections. However, standard serology-based tests have a significant limitation: they cannot easily distinguish active from past, historical infections. As a result, it is difficult to determine whether a patient is currently infected with a virus or not, and on an optimal course of action, based off of positive serology testing responses...
September 17, 2017: ACS Infectious Diseases
https://www.readbyqxmd.com/read/28918539/accelerating-vaccine-development-during-the-2013-2016-west-african-ebola-virus-disease-outbreak
#10
Elizabeth S Higgs, Sheri A Dubey, Beth A G Coller, Jakub K Simon, Laura Bollinger, Robert A Sorenson, Barthalomew Wilson, Martha C Nason, Lisa E Hensley
The Ebola virus disease outbreak that began in Western Africa in December 2013 was unprecedented in both scope and spread, and the global response was slower and less coherent than was optimal given the scale and pace of the epidemic. Past experience with limited localized outbreaks, lack of licensed medical countermeasures, reluctance by first responders to direct scarce resources to clinical research, community resistance to outside interventions, and lack of local infrastructure were among the factors delaying clinical research during the outbreak...
September 17, 2017: Current Topics in Microbiology and Immunology
https://www.readbyqxmd.com/read/28918056/the-therapeutic-potential-of-crispr-cas9-systems-in-oncogene-addicted-cancer-types-virally-driven-cancers-as-a-model-system
#11
REVIEW
Luqman Jubair, Nigel A J McMillan
The field of gene editing is undergoing unprecedented growth. The first ex vivo human clinical trial in China started in 2016, more than 1000 US patents have been filed, and there is exponential growth in publications. The ability to edit genes with high fidelity is promising for the development of new treatments for a range of diseases, particularly inherited conditions, infectious diseases, and cancers. For cancer, a major issue is the identification of driver mutations and oncogenes to target for therapeutic effect, and this requires the development of robust models with which to prove their efficacy...
September 15, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28916319/inhibition-of-growth-and-biofilm-formation-of-clinical-bacterial-isolates-by-nio-nanoparticles-synthesized-from-eucalyptus-globulus-plants
#12
Samia Saleem, Bilal Ahmed, Mohammad Saghir Khan, Majed Al-Shaeri, Javed Musarrat
Nanotechnology based therapeutics has emerged as a promising approach for augmenting the activity of existing antimicrobials due to the unique physical and chemical properties of nanoparticles (NPs). Nickel oxide nanoparticles (NiO-NPs) have been suggested as prospective antibacterial and antitumor agent. In this study, NiO-NPs have been synthesized by a green approach using Eucalyptus globulus leaf extract and assessed for their bactericidal activity. The morphology and purity of synthesized NiO-NPs determined through various spectroscopic techniques like UV-Visible, FT-IR, XRD, EDX and electron microscopy differed considerably...
September 12, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28915908/advances-in-paediatrics-in-2016-current-practices-and-challenges-in-allergy-autoimmune-diseases-cardiology-endocrinology-gastroenterology-infectious-diseases-neonatology-nephrology-neurology-nutrition-pulmonology
#13
REVIEW
Carlo Caffarelli, Francesca Santamaria, Dora Di Mauro, Carla Mastrorilli, Silvia Montella, Sergio Bernasconi
This review reports main progresses in various pediatric issues published in Italian Journal of Pediatrics and in international journals in 2016. New insights in clinical features or complications of several disorders may be useful for our better understanding. They comprise severe asthma, changing features of lupus erythematosus from birth to adolescence, celiac disease, functional gastrointestinal disorders, Moebius syndrome, recurrent pneumonia. Risk factors for congenital heart defects, Kawasaki disease have been widely investigated...
September 16, 2017: Italian Journal of Pediatrics
https://www.readbyqxmd.com/read/28915796/correlates-of-isoniazid-preventive-therapy-failure-in-child-household-contacts-with-infectious-tuberculosis-in-high-burden-settings-in-nairobi-kenya-a-cohort-study
#14
Florence Nafula Okwara, John Paul Oyore, Fred Nabwire Were, Samson Gwer
BACKGROUND: Sub-Saharan Africa continues to document high pediatric tuberculosis (TB) burden, especially among the urban poor. One recommended preventive strategy involves tracking and isoniazid preventive therapy (IPT) for children under 5 years in close contact with infectious TB. However, sub-optimal effectiveness has been documented in diverse settings. We conducted a study to elucidate correlates to IPT strategy failure in children below 5 years in high burden settings. METHODS: A prospective longitudinal cohort study was done in informal settlings in Nairobi, where children under 5 years in household contact with recently diagnosed smear positive TB adults were enrolled...
September 16, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28915377/midwives-%C3%A2-experiences-of-caring-for-pregnant-women-admitted-to-ebola-centres-in-sierra-leone
#15
REVIEW
Elin Erland, Bente Dahl
OBJECTIVE: to explore and describe midwives' experiences of caring for pregnant women admitted to Ebola centres in Sierra Leone. DESIGN: a qualitative interview study with an exploratory and descriptive approach. SETTING: individual semi-structured interviews with midwives who provided care for pregnant woman in eight different Ebola centres in Sierra Leone during the Ebola outbreak in 2014-16. PARTICIPANTS: 11 midwives, Sierra Leoneans and expatriates, who worked for three different humanitarian organisations in Sierra Leone during the Ebola outbreak in 2014-2016...
September 1, 2017: Midwifery
https://www.readbyqxmd.com/read/28914333/-acute-skin-infections-and-their-imitators-in-children-a-photo-quiz
#16
REVIEW
M Theiler, A Schwieger-Briel, L Weibel
BACKGROUND: Skin infections account for 40% of emergency visits in pediatric dermatology. It is important to promptly recognize skin infections with potential complications and initiate treatment. However some characteristic skin findings may imitate skin infections and are often misdiagnosed. OBJECTIVES: To illustrate frequent pediatric skin infections and pitfalls in view of imitators and differential diagnoses. MATERIALS AND METHODS: A photo quiz is presented with the discussion of a selection of acute pediatric skin infections in comparison to their infectious or noninfectious differential diagnoses...
September 15, 2017: Der Hautarzt; Zeitschrift Für Dermatologie, Venerologie, und Verwandte Gebiete
https://www.readbyqxmd.com/read/28912891/bioengineering-of-artificial-antigen-presenting-cells-and-lymphoid-organs
#17
REVIEW
Chao Wang, Wujin Sun, Yanqi Ye, Hunter N Bomba, Zhen Gu
The immune system protects the body against a wide range of infectious diseases and cancer by leveraging the efficiency of immune cells and lymphoid organs. Over the past decade, immune cell/organ therapies based on the manipulation, infusion, and implantation of autologous or allogeneic immune cells/organs into patients have been widely tested and have made great progress in clinical applications. Despite these advances, therapy with natural immune cells or lymphoid organs is relatively expensive and time-consuming...
2017: Theranostics
https://www.readbyqxmd.com/read/28911127/nutritional-status-of-children-from-low-income-countries-arriving-in-spain
#18
Moncef Belhassen-García, Virginia Velasco-Tirado, Amparo Lopez-Bernus, Juan Luis Muñoz Bellido, Antonio Muro, Miguel Cordero, Javier Pardo-Lledias
Background: Nutritional problems, anaemia and infectious diseases are the main causes of morbidity and mortality in children and adolescents in tropical and subtropical areas. The main objective of this study was to determine the nutritional status in children from low-income countries who migrated to Spain and the value of the usual biochemistry markers of nutrition in these children, as well as to evaluate the nutritional status associated with imported infectious diseases. Moreover, we evaluated the association between anaemia and nutrition problems...
September 1, 2017: International Health
https://www.readbyqxmd.com/read/28910420/role-of-the-central-lysine-cluster-and-scrapie-templating-in-the-transmissibility-of-synthetic-prion-protein-aggregates
#19
Bradley R Groveman, Gregory J Raymond, Katrina J Campbell, Brent Race, Lynne D Raymond, Andrew G Hughson, Christina D Orrú, Allison Kraus, Katie Phillips, Byron Caughey
Mammalian prion structures and replication mechanisms are poorly understood. Most synthetic recombinant prion protein (rPrP) amyloids prepared without cofactors are non-infectious or much less infectious than bona fide tissue-derived PrPSc. This effect has been associated with differences in folding of the aggregates, manifested in part by reduced solvent exclusion and protease-resistance in rPrP amyloids, especially within residues ~90-160. Substitution of 4 lysines within residues 101-110 of rPrP (central lysine cluster) with alanines (K4A) or asparagines (K4N) allows formation of aggregates with extended proteinase K (PK) resistant cores reminiscent of PrPSc, particularly when seeded with PrPSc...
September 14, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28906006/prevalence-of-anal-oral-penile-and-urethral-human-papillomavirus-in-hiv-infected-and-hiv-uninfected-men-who-have-sex-with-men
#20
Claudio Ucciferri, Manuela Tamburro, Katia Falasca, Michela Lucia Sammarco, Giancarlo Ripabelli, Jacopo Vecchiet
Aims of the study were to evaluate Human Papillomavirus (HPV) and type-specific prevalence in four anatomical sites in HIV infected men who have sex with men (MSM) compared with HIV uninfected MSM. Participants were recruited among the attendees of Infectious Diseases Clinics in Central Italy. A trained medical practitioner collected by interview sociodemographic data and information on medical history, sexual behavior and drug use. Swabs from anal canal, oral cavity, urethral mucosa and coronal sulcus were tested for HPV DNA and genotyping...
September 14, 2017: Journal of Medical Virology
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