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https://www.readbyqxmd.com/read/27915185/anti-inflammatory-analgesic-and-anti-tumor-properties-of-gold-nanoparticles
#1
Raimundo Fernandes de Araújo, Aurigena Antunes de Araújo, Jonas Bispo Pessoa, Franscisco Paulo Freire Neto, Gisele Ribeiro da Silva, Ana Luiza C S Leitão Oliveira, Thaís Gomes de Carvalho, Heloiza F O Silva, Mateus Eugênio, Celso Sant'Anna, Luiz H S Gasparotto
BACKGROUND: Gold nanoparticles (GNPs) are regarded as potential platforms for drug delivery. However, their interaction with live organisms must be understood prior to their utilization as drug carriers. The present study reports the anti-inflammatory, analgesic and anti-tumor effects of GNPs. The biodistribution of GNPs and their effect on various tissues have also been studied. METHODS: GNPs were synthesized through an environmentally friendly route and characterized with TEM and UV-vis...
September 21, 2016: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/27891350/hypersensitivity-with-inhalational-budesonide-an-under-recognised-entity
#2
Pramod Kumar Sharma, Neeraj Gupta, Najmul Hasan, Bhaskar Krishnamurthy, Surjit Singh
Hypersensitivity reactions are commonly encountered with drugs such as beta lactams, sulphonamides, allopurinol etc., Corticosteroids are frequently employed in the treatment of drug induced allergic reactions. Therefore, it is highly unlikely that a corticosteroid itself may cause such a reaction as an adverse effect. We had encountered a rare case of hypersensitivity reaction with inhalational budesonide in an eight-year-old boy. The patient developed maculopapular rashes over the back, buttocks and legs accompanied with pruritus within four hours of administration of the first dose...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27890092/routes-of-phlogopite-weathering-by-three-fungal-strains
#3
Flavia Pinzari, Javier Cuadros, Rosario Napoli, Loredana Canfora, David Baussà Bardají
Fungi dissolve soil minerals by acidification and mechanical disruption. Dissolution may occur at the microscale (contact between fungus and mineral) and medium scale (entire mineral grains). Mineral weathering by fungi and other microorganisms is thought to be of significant global contribution, perhaps producing specific weathering signatures. We report fungal dissolution of phlogopite mica in experiments with three fungal strains (Alternaria tenuissima, Cladosporium cladosporioides, Stilbella sp.) on solid medium for 30 days at 21 °C and 96-100% relative humidity...
December 2016: Fungal Biology
https://www.readbyqxmd.com/read/27888587/tuberculosis-caused-by-mycobacterium-orygis-in-dairy-cattle-and-captured-monkeys-in-bangladesh-a-new-scenario-of-tuberculosis-in-south-asia
#4
Z Rahim, J Thapa, Y Fukushima, A G M van der Zanden, S V Gordon, Y Suzuki, C Nakajima
Mycobacterium orygis, commonly known as the oryx bacillus and a newly proposed Mycobacterium tuberculosis complex subspecies, was isolated from 18 cattle in a dairy farm and two captured rhesus monkeys in a zoo in Bangladesh. All the infected animals had tuberculosis lesions in their lungs, suggesting transmission and infection with M. orygis by an airborne route. The 20 isolates were analysed using a range of conventional and molecular typing methods, and RD-deletion typing and sequencing of selected genes confirmed the isolates as M...
November 25, 2016: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/27881733/lysosomal-trafficking-regulator-lyst-links-membrane-trafficking-to-toll-like-receptor-mediated-inflammatory-responses
#5
Andreas Westphal, Weijia Cheng, Jinbo Yu, Guntram Grassl, Martina Krautkrämer, Otto Holst, Niko Föger, Kyeong-Hee Lee
Subcellular compartmentalization of receptor signaling is an emerging principle in innate immunity. However, the functional integration of receptor signaling pathways into membrane trafficking routes and its physiological relevance for immune responses is still largely unclear. In this study, using Lyst-mutant beige mice, we show that lysosomal trafficking regulator Lyst links endolysosomal organization to the selective control of toll-like receptor 3 (TLR3)- and TLR4-mediated proinflammatory responses. Consequently, Lyst-mutant mice showed increased susceptibility to bacterial infection and were largely resistant to endotoxin-induced septic shock...
November 23, 2016: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/27870022/viability-of-cyclic-populations
#6
Alexander Singer, Karin Frank
Theory on viability of small populations is well developed and has led to the standard methodology of population viability analysis (PVA) to assess vulnerability of single species. However, more complex situations involving community dynamics or environmental change violate theoretical assumptions. Synthesizing concepts from population, community, and conservation ecology, we develop a generic theory on the viability of cyclic populations. The interplay of periodic population decline and demography causes varying risk patterns that aggregate during cycles and modify the temporal structure of viability...
November 2016: Ecology
https://www.readbyqxmd.com/read/27867047/assessing-the-intra-species-genetic-variability-in-the-clonal-pathogen-campylobacter-fetus-crisprs-are-highly-polymorphic-dna-markers
#7
Lucía Calleros, Laura Betancor, Gregorio Iraola, Alejandra Méndez, Claudia Morsella, Fernando Paolicchi, Silvia Silveyra, Alejandra Velilla, Ruben Pérez
Campylobacter fetus is a Gram-negative, microaerophilic bacterium that infects animals and humans. The subspecies Campylobacter fetus subsp. fetus (Cff) affects a broad range of vertebrate hosts and induces abortion in cows and sheep. Campylobacter fetus subsp. venerealis (Cfv) is restricted to cattle and causes the endemic disease bovine genital campylobacteriosis, which triggers reproductive problems and is responsible for major economic losses. Campylobacter fetus subsp. testudinum (Cft) has been isolated mostly from apparently healthy reptiles belonging to different species but also from ill snakes and humans...
November 17, 2016: Journal of Microbiological Methods
https://www.readbyqxmd.com/read/27861989/a-core-function-of-eds1-with-pad4-is-to-protect-the-salicylic-acid-defense-sector-in-arabidopsis-immunity
#8
Haitao Cui, Enrico Gobbato, Barbara Kracher, Jingde Qiu, Jaqueline Bautor, Jane E Parker
Plant defenses induced by salicylic acid (SA) are vital for resistance against biotrophic pathogens. In basal and receptor-triggered immunity, SA accumulation is promoted by Enhanced Disease Susceptibility1 with its co-regulator Phytoalexin Deficient4 (EDS1/PAD4). Current models position EDS1/PAD4 upstream of SA but their functional relationship remains unclear. In a genetic and transcriptomic analysis of Arabidopsis autoimmunity caused by constitutive or conditional EDS1/PAD4 overexpression, intrinsic EDS1/PAD4 signaling properties and their relation to SA were uncovered...
November 15, 2016: New Phytologist
https://www.readbyqxmd.com/read/27858922/emphysematous-cholecystitis-in-a-young-male-without-predisposing-factors-a-case-report
#9
Ming-Yu Chen, Chen Lu, Yi-Fan Wang, Xiu-Jun Cai
This report describes the diagnosis and treatment for Emphysematous cholecystitis (EC) without predisposing factors, and reviews the current literature.A 49-year-old male without predisposition presented to emergency department with a two-day history of sudden onset abdominal pain, hypertension and received empirical antibiotics with Imipenem/Cilastatin 0.5 g via intravenous route every 8 hours. Computed tomography (CT)-scan revealed that air encircling gallbladder is the most important and accurate evidence for EC diagnosis...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27853931/hepatitis-e-virus-genotype-3-in-slurry-samples-from-swine-farming-activities-in-italy
#10
G La Rosa, S Della Libera, M Brambilla, C Bisaglia, G Pisani, A R Ciccaglione, R Bruni, S Taffon, M Equestre, M Iaconelli
Hepatitis E virus (HEV) is an emergent causative agent of acute hepatitis, transmitted by fecal-oral route. Infection with HEV is a global cause for morbidity and mortality throughout the world: it mainly causes large outbreaks in endemic areas and sporadic autochthonous cases in industrialized countries where HEV infections seem to be an emergent zoonotic disease. Infection of porcine livestock and its relationship with the human cases have been demonstrated. The present study describes an investigation on the prevalence and diversity of HEV in pig slurry in Italy...
November 16, 2016: Food and Environmental Virology
https://www.readbyqxmd.com/read/27845404/regional-probabilistic-risk-assessment-of-heavy-metals-in-different-environmental-media-and-land-uses-an-urbanization-affected-drinking-water-supply-area
#11
Chi Peng, Yimin Cai, Tieyu Wang, Rongbo Xiao, Weiping Chen
In this study, we proposed a Regional Probabilistic Risk Assessment (RPRA) to estimate the health risks of exposing residents to heavy metals in different environmental media and land uses. The mean and ranges of heavy metal concentrations were measured in water, sediments, soil profiles and surface soils under four land uses along the Shunde Waterway, a drinking water supply area in China. Hazard quotients (HQs) were estimated for various exposure routes and heavy metal species. Riverbank vegetable plots and private vegetable plots had 95(th) percentiles of total HQs greater than 3 and 1, respectively, indicating high risks of cultivation on the flooded riverbank...
November 15, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27823998/role-of-cervical-cerclage-and-vaginal-progesterone-in-the-treatment-of-cervical-incompetence-with-without-preterm-birth-history
#12
Shao-Wei Wang, Lin-Lin Ma, Shuai Huang, Lin Liang, Jun-Rong Zhang
BACKGROUND: Preterm birth (PTB) is the leading cause of perinatal morbidity and mortality worldwide, and its prevention is an important health-care priority. The cervical incompetence is a well-known risk factor for PTB and its incidence is about 0.1-2.0%, while there is no ideal optimum treatment recommended currently. The cervical incompetence causes about 15% of habitual abortion in 16-28 weeks. This study aimed to evaluate the effectiveness and safety of cervical cerclage and vaginal progesterone in the treatment of cervical incompetence with/without PTB history...
2016: Chinese Medical Journal
https://www.readbyqxmd.com/read/27817960/multifaceted-immune-responses-and-protective-efficacy-elicited-by-a-recombinant-autolyzed-salmonella-expressing-flic-flagellar-antigen-of-f18-escherichia-coli
#13
Gayeon Won, John Hwa Lee
Porcine edema disease (ED) caused by F18(+) Shiga toxin 2e-producing Escherichia coli (STEC) has imposed significant economic losses in the swine industry worldwide, resulting in sudden deaths in post-weaned piglets. The flagellin protein of F18(+) STEC, a structural component of the flagellar filament, is a known virulence factor that mediates adhesion and invasion to porcine epithelial cells. In this study, Salmonella inactivated by the E lysis gene and expressing the flagellin (fliC) antigen was genetically engineered utilizing a plasmid (pMMP184) carrying an efficient heterologous antigen delivery system...
December 7, 2016: Vaccine
https://www.readbyqxmd.com/read/27806830/acquisition-of-extended-spectrum-%C3%AE-lactamases-during-travel-abroad-a-qualitative-study-among-swedish-travellers-examining-their-knowledge-risk-assessment-and-behaviour
#14
Susanne Wiklund, Ingegerd Fagerberg, Åke Örtqvist, Kristina Broliden, Ann Tammelin
BACKGROUND: Travel to foreign countries involves the risk of becoming a carrier of antibiotic-resistant bacteria, especially when the destination is a country with a high prevalence of this type of bacteria. AIM AND METHODS: The aim of this study was to learn about the knowledge of antibiotic resistance, and the behaviour and risk-taking among travellers, who had become carriers of extended spectrum beta-lactamases (ESBL)-producing bacteria during travel to a high-prevalence country...
2016: International Journal of Qualitative Studies on Health and Well-being
https://www.readbyqxmd.com/read/27800299/cellular-and-molecular-etiology-of-hepatocyte-injury-in-a-murine-model-of-environmentally-induced-liver-abnormality
#15
M A Al-Griw, R O Alghazeer, S A Al-Azreg, E M Bennour
Exposures to a wide variety of environmental substances are negatively associated with many biological cell systems both in humans and rodents. Trichloroethane (TCE), a ubiquitous environmental toxicant, is used in large quantities as a dissolvent, metal degreaser, chemical intermediate, and component of consumer products. This increases the likelihood of human exposure to these compounds through dermal, inhalation and oral routes. The present in vivo study was aimed to investigate the possible cellular and molecular etiology of liver abnormality induced by early exposure to TCE using a murine model...
2016: Open veterinary journal
https://www.readbyqxmd.com/read/27798613/genomic-diversity-in-autopsy-samples-reveals-within-host-dissemination-of-hiv-associated-mycobacterium-tuberculosis
#16
Tami D Lieberman, Douglas Wilson, Reshma Misra, Lealia L Xiong, Prashini Moodley, Ted Cohen, Roy Kishony
Mycobacterium tuberculosis remains a leading cause of death worldwide, especially among individuals infected with HIV. Whereas phylogenetic analysis has revealed M. tuberculosis spread throughout history and in local outbreaks, much less is understood about its dissemination within the body. Here we report genomic analysis of 2,693 samples collected post mortem from lung and extrapulmonary biopsies of 44 subjects in KwaZulu-Natal, South Africa, who received minimal antitubercular treatment and most of whom were HIV seropositive...
December 2016: Nature Medicine
https://www.readbyqxmd.com/read/27777030/the-geography-of-imported-malaria-to-non-endemic-countries-a-meta-analysis-of-nationally-reported-statistics
#17
Andrew J Tatem, Peng Jia, Dariya Ordanovich, Michael Falkner, Zhuojie Huang, Rosalind Howes, Simon I Hay, Peter W Gething, David L Smith
BACKGROUND: Malaria remains a problem for many countries classified as malaria free through cases imported from endemic regions. Imported cases to non-endemic countries often result in delays in diagnosis, are expensive to treat, and can sometimes cause secondary local transmission. The movement of malaria in endemic countries has also contributed to the spread of drug resistance and threatens long-term eradication goals. Here we focused on quantifying the international movements of malaria to improve our understanding of these phenomena and facilitate the design of mitigation strategies...
October 21, 2016: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/27771460/molecular-characterization-and-phylogenetic-analysis-of-fasciola-gigantica-from-nigeria
#18
Madoka Ichikawa-Seki, Minami Tokashiki, Maxwell Nwachukwu Opara, Gabriel Iroh, Kei Hayashi, Uday Mohanta Kumar, Tadashi Itagaki
Fasciola gigantica is considered the major pathogen causing fasciolosis in Africa; however, molecular characterization of this fluke has not been adequately elucidated. It is important to scientifically elucidate the dispersal history of F. gigantica by analyzing its genetic diversity. Fasciola flukes from Nigeria were analyzed using nuclear and mitochondrial DNA markers. A total of 172 Fasciola flukes collected from cattle were identified as F. gigantica because they displayed the F. gigantica fragment pattern in multiplex PCR for the nuclear marker, phosphoenolpyruvate carboxykinase (pepck)...
October 19, 2016: Parasitology International
https://www.readbyqxmd.com/read/27770796/a-cluster-of-kpc-2-and-vim-2-producing-klebsiella-pneumoniae-st833-isolates-from-the-pediatric-service-of-a-venezuelan-hospital
#19
Aura Falco, Yusibeska Ramos, Esther Franco, Alegría Guzmán, Howard Takiff
BACKGROUND: Klebsiella pneumoniae is a bacterial pathogen that has developed resistance to multiple antibiotics and is a major cause of nosocomial infections worldwide. Carbapenemase-producing Klebsiella pneumoniae have been isolated in many hospitals in Venezuela, but they have not been well-studied. The aim of this study was to characterize carbapenem-resistant Klebsiella pneumoniae isolates from the pediatric service of a hospital located in Anzoategui State, in the eastern part of Venezuela...
October 22, 2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27765359/cardioprotective-actions-of-curcumin-on-the-pathogenic-nfat-cox-2-prostaglandin-e2-pathway-induced-during-trypanosoma-cruzi-infection
#20
Matías Hernández, Susana Wicz, Ricardo S Corral
BACKGROUND: Diverse cardiovascular signaling routes have been considered critical for Chagas cardiomyopathy caused by the protozoan parasite Trypanosoma cruzi. Along this line, T. cruzi infection and endothelin-1 (ET-1) have been shown to cooperatively activate the Ca(2+)/NFAT cascade in cardiomyocytes, leading to cyclooxygenase type 2 (COX-2) induction and increased release of prostanoids and prohypertrophic peptides. PURPOSE: To determine whether the well-known cardioprotective and anti-inflammatory effects of curcumin (Cur) could be helpful to interfere with this key machinery for pathogenesis of Chagas myocarditis...
November 15, 2016: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
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