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https://www.readbyqxmd.com/read/29793058/the-transcription-factor-skn-1-and-detoxification-gene-ugt-22-alter-albendazole-efficacy-in-caenorhabditis-elegans
#1
Pauline Fontaine, Keith Choe
Parasitic nematodes infect over 1/4 th of the human population and are a major burden on livestock and crop production. Benzimidazole class anthelmintics are widely used to treat infections, but resistance is a widespread problem. Mutation of genes encoding the benzimidazole target β-tubulin is a well-established mechanism of resistance, but recent evidence suggests that metabolism of the drugs may also occur. Our objective was to investigate contributions of the detoxification-response transcription factor SKN-1 to anthelmintic drug resistance using C...
April 25, 2018: International Journal for Parasitology, Drugs and Drug Resistance
https://www.readbyqxmd.com/read/29792776/prevalence-of-inadequate-immunity-to-measles-mumps-rubella-and-varicella-in-mlb-and-nba-athletes
#2
Justin J Conway, Brett G Toresdahl, Daphne I Ling, Nicole T Boniquit, Lisa R Callahan, James J Kinderknecht
BACKGROUND: Multiple outbreaks of vaccine-preventable viral diseases have occurred in professional sports in recent years. Currently, there is no established protocol for vaccination or immunity screening for professional athletes. HYPOTHESIS: There are significant differences in the prevalence of inadequate immunity dependent on age, sport, country of birth, and participation in collegiate sports. STUDY DESIGN: Cross-sectional cohort study...
May 1, 2018: Sports Health
https://www.readbyqxmd.com/read/29792526/phages-antibiotic-resistance-are-the-most-abundant-entities-on-earth-ready-for-a-comeback
#3
Colin Hill, Susan Mills, Reynolds P Ross
Bacteriophages, which lost out to antibiotic therapy in the past, may be poised to make a comeback. Once discarded because of their narrow activity spectrum, it can now be viewed as a major advantage that these intracellular, self-replicating entities can exert their killing effect with minimal damage to the commensal microbiome. In eastern Europe, phages continue to be used both prophylactically and therapeutically to treat infections. More recently, much needed regulated clinical trials are underway with a view to restoring phage therapy as a tool for mainstream medicine, although current regulations may impede their full potential...
May 24, 2018: Future Microbiology
https://www.readbyqxmd.com/read/29792307/putative-vaccine-candidates-and-drug-targets-identified-by-reverse-vaccinology-and-subtractive-genomics-approaches-to-control-haemophilus-ducreyi-the-causative-agent-of-chancroid
#4
Alissa de Sarom, Arun Kumar Jaiswal, Sandeep Tiwari, Letícia de Castro Oliveira, Debmalya Barh, Vasco Azevedo, Carlo Jose Oliveira, Siomar de Castro Soares
Chancroid is a sexually transmitted infection (STI) caused by the Gram-negative bacterium Haemophilus ducreyi The control of chancroid is difficult and the only current available treatment is antibiotic therapy; however, antibiotic resistance has been reported in endemic areas. Owing to recent outbreaks of STIs worldwide, it is important to keep searching for new treatment strategies and preventive measures. Here, we applied reverse vaccinology and subtractive genomic approaches for the in silico prediction of potential vaccine and drug targets against 28 strains of H...
May 2018: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/29791951/nervous-system-infections-and-the-global-traveler
#5
Savina Reid, Haley Thompson, Kiran T Thakur
Neurological complications of infectious diseases are associated with high rates of morbidity and mortality. It is imperative that neurologists be up-to-date on current developments including typical and atypical presentations of neurological infections in travelers, diagnostic and treatment recommendations, and emerging pathogen resistance patterns to avoid fatal outcomes and long-term sequelae. This article will address concepts of emerging and reemerging infectious diseases, and will provide updates on the neurological manifestations of select emerging and reemerging infections, including Ebola virus, bacterial meningitis, enterovirus 71, Zika virus, cerebral malaria, and Japanese encephalitis...
April 2018: Seminars in Neurology
https://www.readbyqxmd.com/read/29791950/global-health-neurology-hiv-aids
#6
Payal B Patel, Serena S Spudich
With the advent of combination antiretroviral therapies, the mortality rate from HIV has declined, while the prevalence of long-term HIV-related neurologic complications continues to rise. Thirty-six million individuals are living with HIV around the world, many of whom reside in resource-limited settings. The majority of studies have focused on individuals residing in the developed world, while the impact of HIV disproportionately affects people living in developing countries. This review focuses on recent domestic and international studies regarding neurologic complications related to HIV, including opportunistic infections, peripheral neuropathy, cerebrovascular disease, and HIV-associated neurocognitive disorders, in light of the growing population affected by these conditions...
April 2018: Seminars in Neurology
https://www.readbyqxmd.com/read/29791553/epidemiological-aspects-clinical-manifestations-and-prevention-of-pediatric-tuberculosis-from-the-perspective-of-the-end-tb-strategy
#7
Anna Cristina Calçada Carvalho, Claudete Aparecida Araújo Cardoso, Terezinha Miceli Martire, Giovanni Battista Migliori, Clemax Couto Sant'Anna
Tuberculosis continues to be a public health priority in many countries. In 2015, tuberculosis killed 1.4 million people, including 210,000 children. Despite the recent progress made in the control of tuberculosis in Brazil, it is still one of the countries with the highest tuberculosis burdens. In 2015, there were 69,000 reported cases of tuberculosis in Brazil and tuberculosis was the cause of 4,500 deaths in the country. In 2014, the World Health Organization approved the End TB Strategy, which set a target date of 2035 for meeting its goals of reducing the tuberculosis incidence by 90% and reducing the number of tuberculosis deaths by 95%...
April 2018: Jornal Brasileiro de Pneumologia: Publicaça̋o Oficial da Sociedade Brasileira de Pneumologia e Tisilogia
https://www.readbyqxmd.com/read/29791511/caspase-11-dependent-pyroptosis-of-lung-epithelial-cells-protects-from-melioidosis-while-caspase-1-mediates-macrophage-pyroptosis-and-production-of-il-18
#8
Jinyong Wang, Manoranjan Sahoo, Louis Lantier, Jonathan Warawa, Hector Cordero, Kelly Deobald, Fabio Re
Infection with Burkholderia pseudomallei or B. thailandensis triggers activation of the NLRP3 and NLRC4 inflammasomes leading to release of IL-1β and IL-18 and death of infected macrophages by pyroptosis, respectively. The non-canonical inflammasome composed of caspase-11 is also activated by these bacteria and provides protection through induction of pyroptosis. The recent generation of bona fide caspase-1-deficient mice allowed us to reexamine in a mouse model of pneumonic melioidosis the role of caspase-1 independently of caspase-11 (that was also absent in previously generated Casp1-/- mice)...
May 23, 2018: PLoS Pathogens
https://www.readbyqxmd.com/read/29790849/-n-methyl-d-aspartate-receptor-antibody-encephalitis-the-janus-faced-disorder
#9
Ildiko Sipos
The recognition of the antibody-mediated encephalitis as a separate entity among the immune disorders of the central nervous system was one of the greatest breakthroughs of the last two decades in neurology. Unlike viral or tumor-related encephalitis, the antibody-mediated form has a good response to immunotherapy, which gives a special clinical importance to the discovery. Anti-N-methyl-D-aspartate receptor (anti-NMDAR) encephalitis is one of the first fully characterized antibody-mediated encephalitises. This article attempts to summarize the clinical features of this complex neuropsychiatric disorder with the aim to help its early recognition and to report the clinical course and the outcome of our six seropositive anti-NMDAR cases...
March 2018: Neuropsychopharmacologia Hungarica
https://www.readbyqxmd.com/read/29790810/a-review-of-novel-technologies-and-techniques-associated-with-identification-of-bloodstream-infection-aetiologies-and-rapid-antimicrobial-genotypic-and-quantitative-phenotypic-determination
#10
Stephen Poole, Stephen P Kidd, Kordo Saeed
Introduction The antimicrobial aspect of management of patients with blood stream infections (BSI) and sepsis is time critical. In an era of increasing antimicrobial resistance, rapid detection and identification of bacteria with antimicrobial susceptibility is crucial to direct therapy early in the course of illness. Molecular techniques offer a potential solution to this. Areas covered In the present review the authors have discussed a number of novel solutions utilising a variety of molecular techniques for pathogen detection, identification and antimicrobial susceptibility...
May 23, 2018: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/29790651/epitheliocystis-in-fish-an-emerging-aquaculture-disease-with-a-global-impact
#11
REVIEW
Makeely Isabel Blandford, Alyce Taylor-Brown, Thomas A Schlacher, Barbara Nowak, Adam Polkinghorne
Epitheliocystis is a skin and gill disease in fish caused by pathogenic intracellular bacteria. The disease has been reported in at least 90 species of marine and freshwater fish in both the southern and northern hemispheres. It affects a number of commercially important aquaculture species, including salmon, kingfish and bream. In infected fish, cysts typically develop in the gill epithelia, promoting the fusion of gill lamellae. Infections can lead to respiratory distress and death, particularly in cultured and juvenile fish with cases rarely reported in wild fish...
May 23, 2018: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/29790292/failure-of-voriconazole-therapy-due-to-acquired-azole-resistance-in-aspergillus-fumigatus-in-a-kidney-transplant-recipient-with-chronic-necrotizing-aspergillosis
#12
Benoit Pilmis, Dea Garcia-Hermoso, Alexandre Alanio, Emilie Catherinot, Anne Scemla, Vincent Jullien, Stéphane Bretagne, Olivier Lortholary
Invasive aspergillosis (IA) affects lungs and disseminates mostly in patients with neutropenia and/or receiving immunosuppressive and steroid therapies. Despite progress in diagnosis and therapy of IA, it is still characterized by a high mortality rate. Currently, voriconazole is considered as the standard therapy for invasive aspergillosis. Over the recent years, triazole resistant Aspergillus fumigatus isolates have emerged in the environment due to the use of fungicidal agricultural products with the risk of developing IA related to a resistant isolate...
May 22, 2018: American Journal of Transplantation
https://www.readbyqxmd.com/read/29790240/understanding-mucosal-and-microbial-functionality-of-the-female-reproductive-tract-by-metaproteomics-implications-for-hiv-transmission
#13
Alicia R Berard, Michelle Perner, Sarah Mutch, Christina Farr Zuend, Peter McQueen, Adam D Burgener
The mucosal surface of the female genital tract contains physiological, immunological, and microbial components that collectively comprise a functioning "mucosal system" that is critical for reproductive health. Alterations or imbalances to any of these components can have significant consequences for susceptibility to sexually transmitted infections, such as HIV. In recent years the advent of advanced systems biology technologies, such as metaproteomics, has provided new toolsets to studying mucosal systems...
May 22, 2018: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/29789998/the-expression-and-role-of-lncrna-ax800134-in-hepatitis-b-virus-related-hepatocellular-carcinoma
#14
Kai Zuo, Li Kong, Dong Xue, Yanyan Yang, Linlin Xie
Chronic infection with hepatitis B virus (HBV) is one of most important risk factors for the development of hepatocellular carcinoma (HCC). Several long non-coding RNAs (lncRNAs) have been shown to be involved in the etiology of HBV-related HCC. AX800134 is one recently identified lncRNA associated with HCC. In this study, we validated the upregulated expression of AX800134 in HBV-positive HCC compared with HBV-negative HCC. Furthermore, we found that HBV X protein (HBx) directly triggered AX800134 expression in human hepatoma HepG2 cells...
May 22, 2018: Virus Genes
https://www.readbyqxmd.com/read/29789993/the-role-of-the-epithelial-to-mesenchymal-transition-emt-in-diseases-of-the-salivary-glands
#15
REVIEW
Margherita Sisto, Sabrina Lisi, Domenico Ribatti
The link between inflammatory microenvironment and cancer emerged in the last years as a decisive factor in the induction of the pathological epithelial-mesenchymal transition (EMT). The EMT induces changes of cell states converting the epithelial cells to mesenchymal cells when this program is fully executed and EMT has emerged as a central driver of tumor malignancy. Cellular pathways activated by chronic inflammation brought about by chronic infections, by immune-mediated diseases, or by dysregulated wound healing at sites of repetitive tissue injury, constitute risk factors or initial cell transformation and for cancer progression...
May 23, 2018: Histochemistry and Cell Biology
https://www.readbyqxmd.com/read/29789953/update-on-tick-borne-bacterial-diseases-in-travelers
#16
REVIEW
Carole Eldin, Philippe Parola
PURPOSE OF REVIEW: Ticks are the second most important vectors of infectious diseases after mosquitoes worldwide. The growth of international tourism including in rural and remote places increasingly exposes travelers to tick bite. Our aim was to review the main tick-borne infectious diseases reported in travelers in the past 5 years. RECENT FINDINGS: In recent years, tick-borne bacterial diseases have emerged in travelers including spotted fever group (SFG) rickettsioses, borrelioses, and diseases caused by bacteria of the Anaplasmataceae family...
May 22, 2018: Current Infectious Disease Reports
https://www.readbyqxmd.com/read/29789918/recent-experience-and-follow-up-after-surgical-closure-of-secundum-atrial-septal-defect-in-120-children
#17
Geoffroy de Beco, Natasha Mambour, Christophe Vô, Laetitia Vanhoutte, Stéphane Moniotte, Alain Poncelet, Thierry Sluysmans
While percutaneous catheter closure proves an effective treatment for secundum atrial septal defect (ASD2), some child patients require surgical closure. We assessed the risks associated with isolated surgical ASD2 closure by reviewing the outcomes of 120 children operated on between 1999 and 2011 (mean age 4.6 ± 3.9 years, mean weight 17 ± 12 kg). Direct sutures were performed in 4% and patch closures in 96%. The mean cardiopulmonary bypass duration was 38 ± 14 min, aortic cross-clamp time 19 ± 9 min, intensive care unit length of stay 1...
May 22, 2018: Pediatric Cardiology
https://www.readbyqxmd.com/read/29789863/intricate-relationships-between-naked-viruses-and-extracellular-vesicles-in-the-crosstalk-between-pathogen-and-host
#18
REVIEW
Susanne G van der Grein, Kyra A Y Defourny, Erik F J Slot, Esther N M Nolte-'t Hoen
It is a long-standing paradigm in the field of virology that naked viruses cause lysis of infected cells to release progeny virus. However, recent data indicate that naked virus types of the Picornaviridae and Hepeviridae families can also leave cells via an alternative route involving enclosure in fully host-derived lipid bilayers. The resulting particles resemble extracellular vesicles (EV), which are 50 nm-1 μm vesicles released by all cells. These EV contain lipids, proteins, and RNA, and generally serve as vehicles for intercellular communication in various (patho)physiological processes...
May 22, 2018: Seminars in Immunopathology
https://www.readbyqxmd.com/read/29789619/a-predictive-spatial-distribution-framework-for-filovirus-infected-bats
#19
Graziano Fiorillo, Paolo Bocchini, Javier Buceta
Tools with predictive capabilities in regards of filovirus outbreaks are mainly anthropocentric and have disregarded the ecological dimension of the problem. Here we contribute to shift the current paradigm by studying the dynamics of the putative main zoonotic niche of filoviruses, bats, and its link to environmental drivers. We propose a framework that combines data analysis, modeling, and the evaluation of sources of variability. We implement a regression analysis using factual data to correlate environmental parameters and the presence of bats to find the distribution of resources...
May 22, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29789582/the-concordance-between-upper-and-lower-respiratory-microbiota-in-children-with-mycoplasma-pneumoniae-pneumonia
#20
Wenkui Dai, Heping Wang, Qian Zhou, Xin Feng, Zhiwei Lu, Dongfang Li, Zhenyu Yang, Yanhong Liu, Yinhu Li, Gan Xie, Kunling Shen, Yonghong Yang, Yuejie Zheng, Shuaicheng Li
In recent years, the morbidity of Mycoplasma pneumoniae pneumonia (MPP) has dramatically increased in China. An increasing number of studies indicate that an imbalance in the respiratory microbiota is associated with respiratory infection. We selected 28 hospitalized patients infected with M. pneumoniae and 32 healthy children. Nasopharyngeal (NP) and oropharyngeal (OP) swabs were collected from healthy children, whereas NP, OP and bronchoalveolar lavage (BAL) specimens were collected from patients. Microbiota analysis was performed on all microbial samples using 16 S ribosomal RNA (16 S rRNA) sequencing...
May 23, 2018: Emerging Microbes & Infections
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