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https://www.readbyqxmd.com/read/28431845/infection-prevention-and-control-and-the-refugee-population-experiences-from-the-university-of-louisville-global-health-center
#1
Ruth M Carrico, Linda Goss, Timothy L Wiemken, Rahel S Bosson, Paula Peyrani, William A Mattingly, Allison Pauly, Rebecca A Ford, Stanley Kotey, Julio A Ramirez
BACKGROUND: During 2016, approximately 140,000 individuals entered the United States as part of the federal government refugee resettlement program and established themselves in communities in virtually every state. No national database regarding refugee health currently exists; therefore, little is known about existing infectious diseases, conditions, and cultural practices that impact successful acculturation. The objective of this report is to identify what is currently known about refugees and circumstances important to infection prevention and control with respect to their roles as new community members, employees, and consumers of health care...
April 18, 2017: American Journal of Infection Control
https://www.readbyqxmd.com/read/28431520/infectious-agents-is-a-risk-factor-for-myxomatous-mitral-valve-degeneration-a-case-control-study
#2
Marcos Gradim Tiveron, Pablo Maria Alberto Pomerantzeff, Maria de Lourdes Higuchi, Marcia Martins Reis, Jaqueline de Jesus Pereira, Joyce Tieko Kawakami, Renata Nishiyama Ikegami, Carlos Manuel de Almeida Brandao, Fabio Biscegli Jatene
BACKGROUND: The etiology of myxomatous mitral valve degeneration (MVD) is not fully understood and may depend on time or environmental factors for which the interaction of infectious agents has not been documented. The purpose of the study is to analyze the effect of Mycoplasma pneumoniae (Mp), Chlamydophila pneumoniae (Cp) and Borrelia burgdorferi (Bb) on myxomatous mitral valve degeneration pathogenesis and establish whether increased in inflammation and collagen degradation in myxomatous mitral valve degeneration etiopathogenesis...
April 21, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28431450/-livestock-associated-methicillin-resistant-staphylococcus-aureus-epidemiological-data-from-an-orthopaedic-department-in-north-west-germany
#3
Gerrit Steffen Maier, Fritz Thorey, Kristina Kolbow, Djordje Lazovic, Markus Lühmann, Jörg Ohnsorge, Uwe Maus
Background MRSA represents a considerable health threat to orthopaedic patients. Throughout the last decade, livestock-associated MRSA emerged increasingly in livestock all over Europe. LA-MRSA broke the species barrier, colonizing and causing infections in humans. Nevertheless, to date there are no studies concerning livestock-associated MRSA and orthopaedic patients. Therefore, we aimed to investigate the prevalence of LA-MRSA in a regional orthopaedic department localized in an area with high-density livestock...
April 21, 2017: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/28431283/zika-virus-infection-of-adult-and-fetal-stat2-knock-out-hamsters
#4
Venkatraman Siddharthan, Arnaud J Van Wettere, Rong Li, Jinxin Miao, Zhongde Wang, John D Morrey, Justin G Julander
Zika virus (ZIKV) infection was investigated in adult and fetal STAT2 knock-out (KO) hamsters. Subcutaneous injection of ZIKV of adults resulted in morbidity, mortality, and infection of the uterus, placenta, brain, spinal cord, and testicles, thus providing an opportunity to evaluate congenital ZIKV infection in a second rodent species besides mice. ZIKV-infected cells with morphologies of Sertoli cells and spermatogonia were observed in the testes, which may have implications for sexual transmission and male sterility...
April 18, 2017: Virology
https://www.readbyqxmd.com/read/28429836/increased-levels-of-soluble-hla-g-molecules-in-tunisian-patients-with-chronic-hepatitis-b-infection
#5
Ahmed Baligh Laaribi, Daria Bortolotti, Naila Hannachi, Asma Mehri, Olfa Hazgui, Hamza Ben Yahia, Wafa Babay, Manel Belhadj, Houda Chaouech, Salwa Yacoub, Amel Letaief, Imene Ouzari, Abdellatif Boudabous, Dario Di Luca, Jalel Boukadida, Roberta Rizzo, Ines Zidi
Hepatitis B virus (HBV) infection is a global health problem. The mechanisms of immune tolerance in HBV infection are still unclear. The host immune response plays a critical role in determining the outcome of HBV infection. Human leukocyte antigen-G (HLA-G) is involved in immunotolerogenic process and infectious diseases. The present study aimed to explore the implication of soluble HLA-G (sHLA-G) and its isoforms in HBV infection. Total sHLA-G (including shedding HLA-G1 and HLA-G5) was analysed by ELISA in 95 chronic HBV patients, 83 spontaneously resolvers and 100 healthy controls...
April 21, 2017: Journal of Viral Hepatitis
https://www.readbyqxmd.com/read/28429732/long-term-stability-and-infectivity-of-herpesviruses-in-water
#6
Anisha Dayaram, Mathias Franz, Alexander Schattschneider, Armando M Damiani, Sebastian Bischofberger, Nikolaus Osterrieder, Alex D Greenwood
For viruses to utilize environmental vectors (hard surfaces, soil, water) for transmission, physical and chemical stability is a prerequisite. There are many factors including pH, salinity, temperature, and turbidity that are known to contribute to the ability of viruses to persist in water. Equine herpesvirus type-1 (EHV-1) is a pathogenic alphaherpesvirus associated with domestic horses and wild equids. EHV-1 and recombinants of EHV-1 and EHV-9 are able to cause infections in non-equid animal species, particularly in captive settings...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28429720/noumeavirus-replication-relies-on-a-transient-remote-control-of-the-host-nucleus
#7
Elisabeth Fabre, Sandra Jeudy, Sébastien Santini, Matthieu Legendre, Mathieu Trauchessec, Yohann Couté, Jean-Michel Claverie, Chantal Abergel
Acanthamoeba are infected by a remarkable diversity of large dsDNA viruses, the infectious cycles of which have been characterized using genomics, transcriptomics and electron microscopy. Given their gene content and the persistence of the host nucleus throughout their infectious cycle, the Marseilleviridae were initially assumed to fully replicate in the cytoplasm. Unexpectedly, we find that their virions do not incorporate the virus-encoded transcription machinery, making their replication nucleus-dependent...
April 21, 2017: Nature Communications
https://www.readbyqxmd.com/read/28428164/zika-in-twitter-temporal-variations-of-locations-actors-and-concepts
#8
Anthony Stefanidis, Emily Vraga, Georgios Lamprianidis, Jacek Radzikowski, Paul L Delamater, Kathryn H Jacobsen, Dieter Pfoser, Arie Croitoru, Andrew Crooks
BACKGROUND: The recent Zika outbreak witnessed the disease evolving from a regional health concern to a global epidemic. During this process, different communities across the globe became involved in Twitter, discussing the disease and key issues associated with it. This paper presents a study of this discussion in Twitter, at the nexus of location, actors, and concepts. OBJECTIVE: Our objective in this study was to demonstrate the significance of 3 types of events: location related, actor related, and concept related, for understanding how a public health emergency of international concern plays out in social media, and Twitter in particular...
April 20, 2017: JMIR Public Health and Surveillance
https://www.readbyqxmd.com/read/28427244/whole-genome-expression-analyses-of-type-2-diabetes-in-human-skin-reveal-altered-immune-function-and-burden-of-infection
#9
Chun Wu, Xiaopan Chen, Jing Shu, Chun-Ting Lee
Skin disorders are among most common complications associated with type 2 diabetes mellitus (T2DM). Although T2DM patients are known to have increased risk of infections and other T2DM-related skin disorders, their molecular mechanisms are largely unknown. This study aims to identify dysregulated genes and gene networks that are associated with T2DM in human skin. We compared the expression profiles of 56,318 transcribed genes on 74 T2DM cases and 148 gender- age-, and race-matched non-diabetes controls from the Genotype-Tissue Expression (GTEx) database...
March 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28426775/dynamic-behaviors-of-a-modified-sir-model-in-epidemic-diseases-using-nonlinear-incidence-and-recovery-rates
#10
Gui-Hua Li, Yong-Xin Zhang
The transmission of infectious diseases has been studied by mathematical methods since 1760s, among which SIR model shows its advantage in its epidemiological description of spread mechanisms. Here we established a modified SIR model with nonlinear incidence and recovery rates, to understand the influence by any government intervention and hospitalization condition variation in the spread of diseases. By analyzing the existence and stability of the equilibria, we found that the basic reproduction number [Formula: see text] is not a threshold parameter, and our model undergoes backward bifurcation when there is limited number of hospital beds...
2017: PloS One
https://www.readbyqxmd.com/read/28426153/a-non-pathogenic-recombinant-leishmania-expressing-lipophosphoglycan-3-against-experimental-infection-with-leishmania-infantum
#11
Leila Pirdel, Safar Farajnia
Visceral leishmaniasis (VL) is caused by Leishmania infantum in the Mediterranean basin and affects primarily children and immunosuppressed individuals. Various strategies of vaccination have so far been examined by either protein or DNA without achievable complete protection against the disease. The live non-pathogenic lizard parasite, Leishmania tarentolae, expressing elected Leishmania antigens has recently provided a promising new approach as a safe and effective live vaccine candidate to prevent leishmaniasis...
April 20, 2017: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/28425327/a-cross-sectional-quantitative-rt-pcr-study-of-feline-coronavirus-viremia-and-replication-in-peripheral-blood-of-healthy-shelter-cats-in-southern-california
#12
Eric J Fish, Pedro Paulo Vp Diniz, Yen-Chen Juan, Frank Bossong, Ellen W Collisson, Yvonne Drechsler, Bernhard Kaltenboeck
Objectives The objectives of this study were to determine the prevalence of feline coronavirus (FCoV) viremia, and its replication in peripheral blood using quantitative RT-PCR (qRT-PCR) methodology in a population of 205 healthy shelter cats in Southern California, as well as to assess any possible connection to longitudinal development of feline infectious peritonitis (FIP). Methods The study was performed on buffy-coat samples from EDTA-anticoagulated whole blood samples of 205 healthy shelter cats. From 50 of these cats, fecal samples were also examined...
April 1, 2017: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/28424455/flow-virometry-analysis-of-envelope-glycoprotein-conformations-on-individual-hiv-virions
#13
Anush Arakelyan, Wendy Fitzgerald, Deborah F King, Paul Rogers, Hannah M Cheeseman, Jean-Charles Grivel, Robin J Shattock, Leonid Margolis
HIV-1 envelope proteins (Envs) play a critical role in HIV infection. In a correct trimeric conformation, Env mediates virus-cell binding and fusion. Malfunctioning of this machinery renders virions incapable of infecting cells. Each HIV-1 virion carries 10-14 Envs, and therefore a defective Env may not necessarily render a HIV virion non-infectious, since other Env on the same virion may still be functional. Alternatively, it is possible that on a given virion either all the spikes are defective or all are functional...
April 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28424429/the-volatile-molecule-signature-of-four-mycobacteria-species
#14
Theodore Mellors, Christiaan Rees, Wendy Wieland-Alter, C Fordham von Reyn, Jane E Hill
Mycobacteria are the leading cause of death from infectious disease worldwide and limitations in current diagnostics are hampering control efforts. In recent years, the use of small volatile molecules as diagnostic biomarkers for mycobacteria has shown promise for use in the rapid analysis of in vitro cultures as well as ex vivo diagnosis using breath or sputum. In this study, 18 strains from four mycobacteria species (Mycobacterium avium, M. bovis BCG, M. intracellulare and M. xenopi) were analyzed for the first time using two-dimensional gas chromatography time-of-flight mass spectrometry (GC×GC-TOFMS)...
April 20, 2017: Journal of Breath Research
https://www.readbyqxmd.com/read/28423970/recent-advances-on-topical-antimicrobials-for-skin-and-soft-tissue-infections-and-their-safety-concerns
#15
P L Lam, K K H Lee, R S M Wong, G Y M Cheng, Z X Bian, C H Chui, R Gambari
Antimicrobial resistance of disease-related microorganisms is considered a worldwide prevalent and serious issue which increases the failure of treatment outcomes and leads to high mortality. Considering that the increased resistance to systemic antimicrobial therapy often needs of the use of more toxic agents, topical antimicrobial therapy emerges as an attractive route for the treatment of infectious diseases. The topical antimicrobial therapy is based on the absorption of high drug doses in a readily accessible skin surface, resulting in a reduction of microbial proliferation at infected skin sites...
April 19, 2017: Critical Reviews in Microbiology
https://www.readbyqxmd.com/read/28423579/systematic-review-with-network-meta-analysis-comparative-efficacy-of-different-enteral-immunonutrition-formulas-in-patients-underwent-gastrectomy
#16
Guo-Min Song, Xiao-Ling Liu, Wei Bian, Jing Wu, Yong-Hong Deng, Hui Zhang, Xu Tian
OBJECTIVES: Optimal enteral immunonutrition (EIN) regime for gastric cancer (GC) patients underwent gastrectomy remains uncertainty. To assess comparative efficacy of different EIN formulas in GC patients underwent gastrectomy, we performed network meta-analysis. RESULTS: We included 11 RCTs enrolling 840 patients. Pairwise meta-analysis indicated that EIN (RR 0.56, 95% CI 0.36-0.86; MD -0.42, 95% CI -0.74-0.10), Arg+RNA+ω-3-FAs (RR 0.37, 95% CI 0.22-0.63; MD -0...
April 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423486/tick-host-conflict-immunoglobulin-e-antibodies-to-tick-proteins-in-patients-with-anaphylaxis-to-tick-bite
#17
Lourdes Mateos-Hernández, Margarita Villar, Angel Moral, Carmen García Rodríguez, Teresa Alfaya Arias, Verónica de la Osa, Francisco Feo Brito, Isabel G Fernández de Mera, Pilar Alberdi, Francisco Ruiz-Fons, Alejandro Cabezas-Cruz, Agustín Estrada-Peña, José de la Fuente
Tick-borne infectious diseases and allergies are a growing problem worldwide. Tick bite allergy has been associated with the direct effect of immunoglobulin E (IgE) response to tick salivary antigens, or secondary to the induction of allergy to red meat consumption through IgE antibodies against the carbohydrate α-Gal (Gal α 1-3Gal β 1-(3)4GlcNAc-R). However, despite the growing burden of this pathology, the proteins associated with anaphylaxis to tick bite have not been characterized. To address this question, a comparative proteomics approach was used to characterize tick proteins producing an IgE antibody response in a healthy individual with record of tick bites, which had not resulted in any allergic reactions, and two patients with anaphylactic reactions to Rhipicephalus bursa or Hyalomma marginatum tick bites...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423063/vitamin-d-status-and-its-association-with-insulin-resistance-among-type-2-diabetics-a-case-control-study-in-ghana
#18
Linda Ahenkorah Fondjo, William K B A Owiredu, Samuel Asamoah Sakyi, Edwin Ferguson Laing, Michael Acquaye Adotey-Kwofie, Enoch Odame Antoh, Eric Detoh
BACKGROUND: Vitamin D plays a major role in physiological processes that modulate mineral metabolism and immune function with probable link to several chronic and infectious conditions. Emerging data suggests a possible influence of vitamin D on glucose homeostasis. This study sought to provide preliminary information on vitamin D status among Ghanaian type 2 diabetics and assessed its association with glucose homeostasis. METHODS: In a case control study, 118 clinically diagnosed Type 2 Diabetes Mellitus (T2DM) patients attending Diabetic Clinic at the Nkawie Government Hospital were enrolled between October and December 2015...
2017: PloS One
https://www.readbyqxmd.com/read/28421881/factors-pivotal-for-designing-of-nanoantimicrobials-an-exposition
#19
Bushra Jamil, Muhammad Imran
Understanding the interplay between bacterial pathogens and antimicrobials is a key to realize the control over infections causing morbidity and mortality. An important current issue of contemporary medicine and microbiology is the search for new strategies for adequate therapy of infectious diseases associated with rapidly emerging multidrug-resistant (MDR) pathogens. Recently, a great deal of progress has been made in the field of nanobiotechnology towards the development of various nanoantimicrobials (NAMs) as novel therapeutic solution...
April 19, 2017: Critical Reviews in Microbiology
https://www.readbyqxmd.com/read/28421513/primary-prevention-of-food-allergy
#20
REVIEW
Matthew J Greenhawt, David M Fleischer
Food allergy is estimated to affect approximately 8% of children in the USA. This is a disease without any known treatment or cure and, for some, a disease that can be quite severe, even life-threatening. While recent advances in potential treatment have made remarkable strides, with two food-targeted immunotherapy products now in phase III trials, perhaps the biggest gains in the field have come in the advent of potential preventative strategies to avoid the development of food allergy in high-risk individuals...
April 2017: Current Allergy and Asthma Reports
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