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Alternative infection control

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https://www.readbyqxmd.com/read/28811681/osteopontin-impacts-west-nile-virus-pathogenesis-and-resistance-by-regulating-inflammasome-components-and-cell-death-in-the-central-nervous-system-at-early-time-points
#1
Nikki Bortell, Claudia Flynn, Bruno Conti, Howard S Fox, Maria Cecilia G Marcondes
Osteopontin (OPN) is a molecule that is common in central nervous system (CNS) pathologies, which participates in the activation, migration, and survival of inflammatory cells. However, the mechanisms by which OPN modulates inflammatory pathways are not clear. To understand the role of OPN in CNS viral infections, we used a lethal mouse model of West Nile virus (WNV), characterized by the injection of high doses of the Eg101 strain of WNV, causing the increase of OPN levels in the brain since early time points...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28810564/clinical-efficacy-of-conjunctival-flap-surgery-in-the-treatment-of-refractory-fungal-keratitis
#2
Honorine Nizeyimana, Dan-Dan Zhou, Xiu-Fen Liu, Xiao-Tao Pan, Cong Liu, Cheng-Wei Lu, Ji-Long Hao
The aim of the present study was to investigate the use and effectiveness of a selective, partial, pedunculated (tongue-shaped) conjunctival flap (CF) for the treatment of refractory fungal keratitis (FK) with or without perforation. A total of 31 cases of corneal diseases treated by CF surgery between April 2014 and October 2015 were evaluated. Among the 31 cases, 16 cases (male:female, 11:5) with FK were selected. Logistic regression analysis was used to investigate factors associated with complications of CF surgery...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28807856/low-levels-of-genetic-diversity-associated-with-evidence-of-negative-selection-on-the-babesia-bovis-apical-membrane-antigen-1-from-parasite-populations-in-thailand
#3
Amarin Rittipornlertrak, Boondarika Nambooppha, Pacharathon Simking, Veerasak Punyapornwithaya, Saruda Tiwananthagorn, Sathaporn Jittapalapong, Yang-Tsung Chung, Nattawooti Sthitmatee
Babesia bovis, a parasite infecting cattle and buffalo, continues to spread throughout the developing world. The babesial vaccine was developed to be a sustainable alternative treatment to control the parasite. However, genetic diversity is a major obstacle for designing and developing a safe and effective vaccine. The apical membrane antigen 1 (AMA-1) is considered to be a potential vaccine candidate antigen among immunogenic genes of B. bovis. To gain a more comprehensive understanding of B. bovis AMA-1 (BbAMA-1), three B...
August 12, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28805915/selection-on-resilience-improves-disease-resistance-and-tolerance-to-infections
#4
H A Mulder, H Rashidi
Response to infection in animals has 2 main mechanisms: resistance (ability to control pathogen burden) and tolerance (ability to maintain performance given the pathogen burden). Selection on disease resistance and tolerance to infections seems a promising avenue to increase productivity of animals in the presence of disease infections, but it is hampered by a lack of records of pathogen burden of infected animals. Selection on resilience (ability to maintain performance regardless of pathogen burden) may, therefore, be an alternative pragmatic approach, because it does not need records of pathogen burden...
August 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28805020/evaluation-of-bovine-viral-diarrhoea-virus-control-strategies-in-dairy-herds-in-hokkaido-japan-using-stochastic-modelling
#5
S Sekiguchi, P Presi, R Omori, K Staerk, M Schuppers, N Isoda, Y Yoshikawa, T Umemura, H Nakayama, Y Fujii, Y Sakoda
Bovine viral diarrhoea virus (BVDV) infection in cattle can result in growth retardation, reduced milk production, reproductive disorders and death. Persistently infected animals are the primary source of infection. In Hokkaido, Japan, all cattle entering shared pastures in summer are vaccinated before movement for disease control. Additionally, these cattle may be tested for BVDV and culled if positive. However, the effectiveness of this control strategy aiming to reduce the number of BVDV-infected animals has not been assessed...
August 14, 2017: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/28804478/the-entomopathogenic-fungi-isaria-fumosorosea-plays-a-vital-role-in-suppressing-the-immune-system-of-plutella-xylostella-rna-seq-and-dge-analysis-of-immunity-related-genes
#6
Jin Xu, Xiaoxia Xu, Muhammad Shakeel, Shuzhong Li, Shuang Wang, Xianqiang Zhou, Jialin Yu, Xiaojing Xu, Xiaoqiang Yu, Fengliang Jin
Most, if not all, entomopathogenic fungi have been used as alternative control agents to decrease the insect resistance and harmful effects of the insecticides on the environment. Among them, Isaria fumosorosea has also shown great potential to control different insect pests. In the present study, we explored the immune response of P. xylostella to the infection of I. fumosorosea at different time points by using RNA-Sequencing and differential gene expression technology at the genomic level. To gain insight into the host-pathogen interaction at the genomic level, five libraries of P...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28799513/ketogenic-diets-in-the-treatment-of-epilepsy
#7
Maurizio Elia, Joerg Klepper, Baerbel Leiendecker, Hans Hartmann
BACKGROUND: Although a larger number of antiepileptic drugs became available in the last decades, epilepsy remains drug-resistant in approximately a third of patients. Ketogenic diet (KD), first proposed at the beginning of the last century, is complex and has anticonvulsant effects, yet not completely understood. Over the last decades, different types of ketogenic diets (KDs) have been developed, namely classical KD and modified Atkins diet (MAD). They offer an effective alternative for children and adults with drug-resistant epilepsies...
August 9, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28799230/human-dendritic-cells-activated-with-mv130-induce-th1-th17-and-il-10-responses-via-ripk2-and-myd88-signalling-pathways
#8
Cristina Cirauqui, Cristina Benito-Villalvilla, Silvia Sánchez-Ramón, Sofía Sirvent, Carmen M Diez-Rivero, Laura Conejero, Paola Brandi, Lourdes Hernández-Cillero, Juliana Lucía Ochoa, Beatriz Pérez-Villamil, David Sancho, José Luis Subiza, Oscar Palomares
Recurrent respiratory tract infections (RRTIs) are the first leading cause of community- and nosocomial-acquired infections. Antibiotics remain the mainstay of treatment, enhancing the potential to develop antibiotic resistances. Therefore, the development of new alternative approaches to prevent and treat RRTIs is highly demanded. Daily sublingual administration of the whole heat-inactivated polybacterial preparation (PBP) MV130 significantly reduced the rate of respiratory infections in RRTIs patients, however, the immunological mechanisms of action remain unknown...
August 11, 2017: European Journal of Immunology
https://www.readbyqxmd.com/read/28798750/heme-oxygenase-1-expression-contributes-to-the-immunoregulation-induced-by-fasciola-hepatica-and-promotes-infection
#9
Paula Carasi, Ernesto Rodríguez, Valeria da Costa, Sofía Frigerio, Natalie Brossard, Verónica Noya, Carlos Robello, Ignacio Anegón, Teresa Freire
Fasciola hepatica, also known as the liver fluke, is a trematode that infects livestock and humans causing fasciolosis, a zoonotic disease of increasing importance due to its worldwide distribution and high economic losses. This parasite immunoregulates the host immune system by inducing a strong Th2 and regulatory T immune response by immunomodulating dendritic cell (DC) maturation and alternative activation of macrophages. In this paper, we show that F. hepatica infection in mice induces the upregulation of heme-oxygenase-1 (HO-1), the rate-limiting enzyme in the catabolism of free heme that regulates the host inflammatory response...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28797828/gene-expression-profiling-of-fima-gene-encoding-fimbriae-among-clinical-isolates-of-porphyromonas-gingivalis-in-response-to-photo-activated-disinfection-therapy
#10
Maryam Pourhajibagher, Abbas Bahador
BACKGROUND: The endodontic infection therapy majorly aims to eradicate the microbial pathogens. Photo-activated disinfection (PAD), also known as antimicrobial photodynamic therapy, is an alternative antimicrobial modality used to control the microorganisms causing endodontic infections. Notably, microorganisms may be exposed to sub-lethal doses of PAD (sPAD), influencing microbial virulence. The present study assessed the effects of sPAD on expression profiling of the gene associated with the biofilm formation being the most essential virulence factor in Porphyromonas gingivalis strain cells that survive the photodynamic reatment in vivo...
August 7, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/28795522/assessment-of-carvacrol-for-control-of-avian-aspergillosis-in-intratracheally-challenged-chickens-in-comparison-to-voriconazole-with-a-reference-on-economic-impact
#11
Y H Tartor, F A M Hassan
AIM: This study was designed to investigate the efficacy of essential oils (EOs) as an alternative prophylaxis and treatment for avian aspergillosis. METHODS AND RESULTS: The in vitro susceptibility of A. fumigatus strains to antifungal drugs and carvacrol, thymol, eugenol, thymoquinone and cinnamon was determined using the macro-diffusion and microdilution methods. Carvacrol has antifungal activity in comparison to voriconazole (VCZ) (MIC 0.5, 0.25μg/ml, respectively)...
August 9, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/28792887/the-genetic-basis-for-the-selection-of-dairy-goats-with-enhanced-resistance-to-gastrointestinal-nematodes
#12
Felix Heckendorn, Anna Bieber, Steffen Werne, Anastasios Saratsis, Veronika Maurer, Chris Stricker
Gastrointestinal nematodes (GIN) severely affect small ruminant production worldwide. Increasing problems of anthelmintic resistance have given strong impetus to the search for alternative strategies to control GIN. Selection of animals with an enhanced resistance to GIN has been shown to be successful in sheep. In goats, the corresponding information is comparatively poor. Therefore, the present study was designed to provide reliable data on heritabilities of and genetic correlations between phenotypic traits linked to GIN and milk yield in two major dairy goat breeds (Alpine and Saanen)...
2017: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/28790145/inter-chromosomal-transfer-of-immune-regulation-during-infection-of-barley-with-the-powdery-mildew-pathogen
#13
Priyanka Surana, Ruo Xu, Gregory Fuerst, Antony Ve Chapman, Dan Nettleton, Roger P Wise
Powdery mildew pathogens colonize over 9,500 plant species, causing critical yield loss. The Ascomycete fungus, Blumeria graminis f. sp. hordei (Bgh), causes powdery mildew disease in barley (Hordeum vulgare L.). Successful infection begins with penetration of host epidermal cells, culminating in haustorial feeding structures, facilitating delivery of fungal effectors to the plant and exchange of nutrients from host to pathogen. We used expression Quantitative Trait Locus (eQTL) analysis to dissect the temporal control of immunity-associated gene expression in a doubled haploid barley population challenged with Bgh Two highly significant regions possessing trans eQTL were identified near the telomeric ends of chromosomes 2HL and 1HS...
August 8, 2017: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/28783743/andrographis-paniculata-chu%C3%A4-n-x%C3%A4-n-li%C3%A3-n-for-symptomatic-relief-of-acute-respiratory-tract-infections-in-adults-and-children-a-systematic-review-and-meta-analysis
#14
Xiao-Yang Hu, Ruo-Han Wu, Martin Logue, Clara Blondel, Lily Yuen Wan Lai, Beth Stuart, Andrew Flower, Yu-Tong Fei, Michael Moore, Jonathan Shepherd, Jian-Ping Liu, George Lewith
INTRODUCTION: Antimicrobial resistance (AMR) is a substantial threat to public health. Safe and effective alternatives are required to reduce unnecessary antibiotic prescribing. Andrographis Paniculata (A. Paniculata, Chuān Xīn Lián) has traditionally been used in Indian and Chinese herbal medicine for cough, cold and influenza, suggesting a role in respiratory tract infections (RTIs). This systematic review aimed to evaluate the clinical effectiveness and safety of A. Paniculata for symptoms of acute RTIs (ARTIs)...
2017: PloS One
https://www.readbyqxmd.com/read/28780111/bulk-tank-milk-antibody-enzyme-linked-immunosorbent-assay-as-a-biosecurity-tool-for-detecting-dairy-herds-with-past-exposure-to-mycoplasma-bovis
#15
A M Parker, J K House, M S Hazelton, K L Bosward, J M Morton, P A Sheehy
In Australia, one of the biosecurity recommendations to help prevent the introduction of Mycoplasma bovis into a dairy herd is to use a PCR assay on bulk tank milk (BTM) samples to evaluate the M. bovis infection status of potential source herds. An alternative approach is to assess the immunological status of the herd with respect to previous exposure to M. bovis via the use of an ELISA that is commercially available for use on cattle milk and serum. The objectives of this study were to (1) evaluate factors potentially associated with variation in the ELISA BTM optical density coefficient (ODC%) in previously exposed herds, (2) evaluate the association between the proportion of cows that are ELISA positive and the BTM ELISA ODC%, (3) assess agreement between the BTM ELISA and PCR and culture, and (4) compare BTM ELISA ODC% between the "hospital" herd and the main lactating herd on the same farm...
August 2, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28775099/alternative-pre-mrna-splicing-of-toll-like-receptor-signaling-components-in-peripheral-blood-mononuclear-cells-from-ards-patients
#16
Rachel Z Blumhagen, Brenna R Hedin, Kenneth C Malcolm, Ellen L Burnham, Marc Moss, Edward Abraham, Tristan J Huie, Jerry A Nick, Tasha E Fingerlin, Scott Alper
A key physiological feature of Acute Respiratory Distress Syndrome (ARDS) is inflammation. Toll-like receptor (TLR) signaling is required to combat the infection that underlies many ARDS cases but also contributes to pathological inflammation. Several TLR signaling pathway genes encoding positive effectors of inflammation also produce alternatively spliced mRNAs encoding negative regulators of inflammation. An imbalance between these isoforms could contribute to pathological inflammation and disease severity...
August 3, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28772279/choosing-wisely-a-model-based-analysis-evaluating-the-trade-offs-in-cancer-benefit-and-diagnostic-referrals-among-alternative-hpv-testing-strategies-in-norway
#17
Emily A Burger, Kine Pedersen, Stephen Sy, Ivar Sønbø Kristiansen, Jane J Kim
BACKGROUND: Forthcoming cervical cancer screening strategies involving human papillomavirus (HPV) testing for women not vaccinated against HPV infections may increase colposcopy referral rates. We quantified health and resource trade-offs associated with alternative HPV-based algorithms to inform decision-makers when choosing between candidate algorithms. METHODS: We used a mathematical simulation model of HPV-induced cervical carcinogenesis in Norway. We compared the current cytology-based strategy to alternative strategies that varied by the switching age to primary HPV testing (ages 25-34 years), the routine screening frequency (every 3-10 years), and management of HPV-positive, cytology-negative women...
August 3, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28771159/verification-of-an-alternative-sludge-treatment-process-for-pathogen-reduction-at-two-wastewater-treatment-plants-in-victoria-australia
#18
R Irwin, A Surapaneni, D Smith, J Schmidt, H Rigby, S R Smith
At South East Water wastewater treatment plants (WwTPs) in Victoria, Australia, biosolids are stockpiled for three years in compliance with the State guidelines to achieve the highest pathogen reduction grade (T1), suitable for unrestricted use in agriculture and landscaping. However, extended stockpiling is costly, may increase odour nuisance and greenhouse gas emissions, and reduces the fertiliser value of the biosolids. A verification programme of sampling and analysis for enteric pathogens was conducted at two WwTPs where sludge is treated by aerobic and anaerobic digestion, air drying (in drying pans or solar drying sheds) and stockpiling, to enumerate and, if present, monitor the decay of a range of enteric pathogens and parasites...
August 2017: Journal of Water and Health
https://www.readbyqxmd.com/read/28769909/walleye-autochthonous-bacteria-as-promising-probiotic-candidates-against-flavobacterium-columnare
#19
Hamza Seghouani, Carlos-Enrique Garcia-Rangel, Jérémie Füller, Jeff Gauthier, Nicolas Derome
Walleye (Sander vitreus) is the second most fished freshwater species in Canada. While much sought by anglers, walleye also supports substantial commercial fisheries. To cope with the recent decline of wild walleye populations, fish farmers produce juveniles for lake stocking. However, walleye breeding is particularly tedious, mostly due to high disease susceptibility at larval and juvenile developmental stages. The main threat is the columnaris disease, which is caused by Flavobacterium columnare, an opportunistic bacteria...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28764739/the-substructure-of-three-repetitive-dna-regions-of-schistosoma-haematobium-group-species-as-a-potential-marker-for-species-recognition-and-interbreeding-detection
#20
Ibrahim Abbasi, Bonnie L Webster, Charles H King, David Rollinson, Joseph Hamburger
BACKGROUND: Schistosoma haematobium is the causative agent of human urogenital schistosomiasis affecting ~112 million people in Africa and the Middle East. The parasite is transmitted by snails of the genus Bulinus, which also transmit other closely related human and animal schistosomes. The accurate discrimination of S. haematobium from species infecting animals will aid effective control and elimination programs. Previously we have shown the utility of different repetitive nuclear DNA sequences (DraI, sh73bp, and sh77bp) for the identification of S...
August 1, 2017: Parasites & Vectors
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