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https://www.readbyqxmd.com/read/28091681/microbial-rrna-sequencing-analysis-of-evaporative-cooler-indoor-environments-located-in-the-great-basin-desert-region-of-the-united-states
#1
Angela R Lemons, Mary Beth Hogan, Ruth A Gault, Kathleen Holland, Edward Sobek, Kimberly A Olsen-Wilson, Yeonmi Park, Ju-Hyeong Park, Ja Kook Gu, Michael L Kashon, Brett J Green
Recent studies conducted in the Great Basin Desert region of the United States have shown that skin test reactivity to fungal and dust mite allergens are increased in children with asthma or allergy living in homes with evaporative coolers (EC). The objective of this study was to determine if the increased humidity previously reported in EC homes leads to varying microbial populations compared to homes with air conditioners (AC). Children with physician-diagnosed allergic rhinitis living in EC or AC environments were recruited into the study...
January 16, 2017: Environmental Science. Processes & Impacts
https://www.readbyqxmd.com/read/28091390/demodex-spp-infestation-associated-with-treatment-resistant-chalazia-and-folliculitis
#2
Ulviye Güvendi Akçınar, Emine Ünal, Metin Akpınar
Demodecidosis is an ectoparasitosis of pilosebaceous unit caused by demodex mites. The disease may be a primary skin disease or a secondary disease to inflammatory dermatoses such as folliculitis and rosacea. Demodex spp. blepharitis is an infectious ocular disease that is common but always neglected. These mites contain lipase enzymes that help carry bacteria on the surface. The infestation of Demodex spp. has increasingly become a public health concern. A 29-year-old male patient was admitted to our dermatology clinic with a complaint of papules and pustules on his face, which started 4 years ago...
December 2016: Türkiye Parazitolojii Dergisi
https://www.readbyqxmd.com/read/28089873/patterns-of-immune-development-in-urban-preschoolers-with-recurrent-wheeze-and-or-atopy
#3
James E Gern, Agustin Calatroni, Katy F Jaffee, Henry Lynn, Amy Dresen, William W Cruikshank, Howard M Lederman, Hugh A Sampson, Wayne Shreffler, Leonard B Bacharier, Peter J Gergen, Diane R Gold, Meyer Kattan, George T O'Connor, Megan T Sandel, Robert A Wood, Gordon R Bloomberg
BACKGROUND: Disadvantaged urban children have high rates of allergic diseases and wheezing, which are diseases associated with Type 2-biased immunity. OBJECTIVE: To determine whether environmental exposures in early life influence cytokine responses which affect the development of recurrent wheezing illnesses and allergic sensitization. METHODS: A birth cohort of 560 urban families was recruited from neighborhoods with high rates of poverty, and 467 (83%) children were followed until 3 years of age...
January 13, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28088215/non-associative-versus-associative-learning-by-foraging-predatory-mites
#4
Peter Schausberger, Stefan Peneder
BACKGROUND: Learning processes can be broadly categorized into associative and non-associative. Associative learning occurs through the pairing of two previously unrelated stimuli, whereas non-associative learning occurs in response to a single stimulus. How these two principal processes compare in the same learning task and how they contribute to the overall behavioural changes brought about by experience is poorly understood. We tackled this issue by scrutinizing associative and non-associative learning of prey, Western flower thrips Frankliniella occidentalis, by the predatory mite, Neoseiulus californicus...
January 14, 2017: BMC Ecology
https://www.readbyqxmd.com/read/28087646/wheat-genotypes-with-combined-resistance-to-wheat-curl-mite-wheat-streak-mosaic-virus-wheat-mosaic-virus-and-triticum-mosaic-virus
#5
Wen-Po Chuang, Lina Maria Aguirre Rojas, Luaay Kahtan Khalaf, Guorong Zhang, Allan K Fritz, Anna E Whitfield, C Michael Smith
The wheat curl mite, Aceria tosichella Keifer, (WCM) is a global pest of bread wheat that reduces yields significantly. In addition, WCM carries Wheat streak mosaic virus (WSMV, family Potyviridae, genus Tritimovirus), the most significant wheat virus in North America; High Plains wheat mosaic virus (HPWMoV, genus Emaravirus, formerly High plains virus); and Triticum mosaic virus (TriMV, family Potyviridae, genus Poacevirus). Viruses carried by WCM have reduced wheat yields throughout the U.S. Great Plains for >50 yr, with average yield losses of 2-3% and occasional yield losses of 7-10%...
January 13, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28087579/differential-host-plant-associated-genetic-variation-between-sympatric-mite-species-of-the-genus-oligonychus-acari-tetranychidae
#6
Stephanie Guzman-Valencia, Ma Teresa Santillán-Galicia, Ariel W Guzmán-Franco, Ricardo Vega-Muñoz
Adaptation to different host plants can lead to host-associated differentiation (HAD). The mites Oligonychus perseae and Oligonychus punicae have a broad range of host plants, but, to date, records of them coexisting sympatrically had only been reported on avocado. However, our field observations showed both species coexisting on host plants other than avocado. The lack of previous records of these mites on the host plants studied here suggests only recent divergence to new host plant species. Previous studies showed that O...
January 12, 2017: Environmental Entomology
https://www.readbyqxmd.com/read/28078853/oxidative-stress-in-asthma-a-distinct-clinical-and-pathologic-feature
#7
Y Li, G P Li
Asthma is a type of chronic airway inflammation. Corticosteroids are inadequate for asthma therapy. However, it remains unclear whether oxidative stress is a distinct clinical and pathologic feature in asthma. We reviewed the articles on asthma-associated oxidative stress. The exposures to airborne allergens, such as house dust mite (HDM) and birch pollen, may not only trigger innate and adaptive immune responses but also cause oxidative stress damage in the airways. Allergen-induced reactive oxygen species (ROS) is involved in p38 MAPK, phosphoinositide-3-kinase (PI3K)/Akt and nuclear factor erythroid 2-related factor (Nrf2) kinase pathway signaling...
October 2016: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28076322/aeroallergen-der-p-2-promotes-motility-of-human-non-small-cell-lung-cancer-cells-via-toll-like-receptor-mediated-up-regulation-of-urokinase-type-plasminogen-activator-and-integrin-focal-adhesion-kinase-signaling
#8
Chun-Hsiang Lin, Hui-Han Lin, Cheng-Yi Kuo, Shao-Hsuan Kao
House dust mite (HDM) allergens are one of the major causes leading to respiratory hypersensitiveness and airway remodeling. Here we hypothesized that a major HDM allergen Der p 2 could increase cell motility and invasiveness of non-small cell lung cancer (NSCLC) cells. Our results showed that low dose (1 and 3 μg/mL) recombinant Der p 2 protein (DP2) enhanced the migration and invasiveness of human NSCLC cell A549, H1299 and CL1-5, but nonsignificantly altered their growth. Further investigation revealed that integrin αV level was increased and its downstream signaling including focal adhesion kinase (FAK) and paxillin were activated in A549 cells exposed to DP2...
January 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28066973/discovery-and-characterisation-of-field-resistance-to-organophosphorus-chemicals-in-a-major-mite-pest-halotydeus-destructor
#9
Paul A Umina, Alan Lord, Svetlana Micic, Owain Edwards
BACKGROUND: The redlegged earth mite (Halotydeus destructor) is an agricultural pest in Australia that attacks a wide variety of crops and pasture species. Chemicals remain an important part of control strategies for H. destructor, despite the existence of resistance to pyrethroid insecticides in this species. Recent chemical control failures involving a second insecticide class, organophosphates, were investigated using pesticide bioassays. RESULTS: We confirmed, for the first time, resistance to organophosphates in H...
January 9, 2017: Pest Management Science
https://www.readbyqxmd.com/read/28066972/efficacy-of-a-long-lasting-bifenthrin-treated-net-against-horticultural-pests-and-its-compatibility-with-the-predatory-mite-amblyseius-swirskii-and-the-parasitic-wasp-eretmocerus-mundus
#10
Mª Del Mar Fernández, Ignacio Colomer, Pilar Medina, Alberto Fereres, Pedro Del Estal, Elisa Viñuela
BACKGROUND: The insecticide-treated nets (ITNs) are being investigated lately for their use in agriculture. Depending on the insecticide, the hole size and the way they are produced, these nets can target different pests and therefore they could be interesting options to be used in Integrated Pest Management (IPM). As the information on their compatibility with beneficial fauna is practically negligible, in this work we have tested the compatibility of an experimental bifenthrin long lasting insecticide-treated net (LLITN) with Amblyseius swirskii and Eretmocerus mundus, important natural enemies of whiteflies and thrips, under laboratory, semi-field and commercial greenhouses...
January 9, 2017: Pest Management Science
https://www.readbyqxmd.com/read/28065336/sublingual-immunotherapy-dosing-regimens-what-is-ideal
#11
Jay J Jin, James T Li, Ludger Klimek, Oliver Pfaar
Sublingual immunotherapy (SLIT) is a treatment for allergic respiratory diseases that has demonstrated efficacy and safety. Several formulations of SLIT are now available worldwide for treatment of allergic rhinitis (AR). Grass tablets containing 15 to 25 μg of group 5 major allergen reduced combined AR symptoms and medication use by 23% to 41% in 3 treatment years and 2 follow-up years. Ragweed pollen tablets (12 μg of Ambrosia artemisiifolia 1) and liquid extracts (50 μg of Ambrosia artemisiifolia 1) reduced combined AR symptoms and medication use by 26% and 43%, respectively...
January 2017: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/28063044/characterization-of-group-2-innate-lymphoid-cells-in-allergic-airway-inflammation-models-in-the-mouse
#12
Bobby W S Li, Dior M J M Beerens, Maarten D Brem, Rudi W Hendriks
Allergic asthma is a chronic inflammatory lung disease mediated by type 2 cytokines produced by T helper 2 (Th2) cells as well as the recently discovered group 2 innate lymphoid cells (ILC2). Due to a lack of unique markers, the accurate phenotypic characterization and quantification of ILC2 requires a comprehensive panel of fluorescently labeled antibodies. The markers that are currently used to characterize ILC2 have not been standardized and often vary between research groups, which poses significant challenges when comparing data...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28063043/subcutaneous-and-sublingual-immunotherapy-in-a-mouse-model-of-allergic-asthma
#13
Laura Hesse, Martijn C Nawijn
Allergic asthma, caused by inhaled allergens such as house dust mite or grass pollen, is characterized by reversible airway obstruction, associated with an eosinophilic inflammation of the airways, as well as airway hyper responsiveness and remodeling. The inhaled allergens trigger a type-2 inflammatory response with involvement of innate lymphoid cells (ILC2) and Th2 cells, resulting in high production of immunoglobulin E (IgE) antibodies. Consequently, renewed allergen exposure results in a classic allergic response with a distinct early and late phase, both resulting in bronchoconstriction and shortness of breath...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28063042/murine-models-of-allergic-asthma
#14
Eline Haspeslagh, Nincy Debeuf, Hamida Hammad, Bart N Lambrecht
Allergic asthma is a heterogeneous inflammatory lung disease affecting millions of people worldwide and with a steadily increasing incidence. Mouse models have been of utmost importance in uncovering key inflammatory cell types, cytokines, and pathways in the development and maintenance of allergic asthma. Historically, the mainstay in experimental asthma research was sensitizing rodents to the model protein antigen ovalbumin (OVA) with the pro-Th2 adjuvant aluminum hydroxide, followed by repetitive OVA exposures to the airways to initiate a Th2-skewed adaptive immune response leading to eosinophilic airway inflammation and airway hyperreactivity (AHR)...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28063008/association-study-of-demodex-bacteria-and-facial-dermatoses-based-on-dgge-technique
#15
YaE Zhao, Fan Yang, RuiLing Wang, DongLing Niu, Xin Mu, Rui Yang, Li Hu
The role of bacteria is unclear in the facial skin lesions caused by Demodex. To shed some light on this issue, we conducted a case-control study comparing cases with facial dermatoses with controls with healthy skin using denaturing gradient gel electrophoresis (DGGE) technique. The bacterial diversity, composition, and principal component were analyzed for Demodex bacteria and the matched facial skin bacteria. The result of mite examination showed that all 33 cases were infected with Demodex folliculorum (D...
January 6, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28062820/epidemiology-diagnosis-and-treatment-of-scabies-in-a-dermatology-office
#16
Kathryn L Anderson, Lindsay C Strowd
BACKGROUND: Scabies is a neglected skin disease, and little is known about current incidence and treatment patterns in the United States. The purpose of this study was to examine demographic data, treatment types, success of treatment, and misdiagnosis rate of scabies in an outpatient dermatology clinic. METHODS: A retrospective chart review of patients diagnosed with scabies within the past 5 years was performed. RESULTS: A total of 459 charts were identified, with 428 meeting inclusion criteria...
January 2017: Journal of the American Board of Family Medicine: JABFM
https://www.readbyqxmd.com/read/28062483/the-sialic-acid-to-urea-ratio-as-a-measure-of-airway-surface-hydration
#17
Charles R Esther, David B Hill, Brian Button, Shuai Shi, Corey M Jania, Elizabeth A Duncan, Claire M Doerschuk, Gang Chen, Sarath Ranganathan, Stephen Michael Stick, Richard C Boucher
INTRODUCTION: Although airway mucus dehydration is key to pathophysiology of cystic fibrosis (CF) and other airways diseases, measuring mucus hydration is challenging. We explored a robust method to estimate mucus hydration using sialic acid as a marker for mucin content. METHODS: Terminal sialic acid residues from mucins were cleaved by acid hydrolysis from airway samples, and concentrations of sialic acid, urea, and other biomarkers analyzed using mass spectrometry...
January 6, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28056811/evaluation-of-a-broad-ranging-and-convenient-enzyme-linked-immunosorbent-assay-using-the-lysate-of-infected-cells-with-five-serotypes-of-orientia-tsutsugamushi-a-causative-agent-of-scrub-typhus
#18
Motohiko Ogawa, Masaaki Satoh, Masayuki Saijo, Shuji Ando
BACKGROUND: Scrub typhus is a mite-borne rickettsiosis caused by infection of Orientia tsutsugamushi, which is endemic to several Asia-Pacific Rim countries, including Japan. Although micro-indirect immunofluorescent assay (micro-IFA) is the standard method for the serological diagnosis of scrub typhus, enzyme-linked immunosorbent assay (ELISA) is considered to be more objective, by providing digitized results as opposed to being subject to the judgment of the evaluator as in micro-IFA...
January 5, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28054665/overproduction-of-superoxide-dismutase-and-catalase-confers-cassava-resistance-to-tetranychus-cinnabarinus
#19
Fuping Lu, Xiao Liang, Hui Lu, Qian Li, Qing Chen, Peng Zhang, Kaimian Li, Guanghua Liu, Wei Yan, Jiming Song, Chunfang Duan, Linhui Zhang
To explore the role of protective enzymes in cassava (Manihot esculenta Crantz) resistance to mites, transgenic cassava lines overproducing copper/zinc superoxide dismutase (MeCu/ZnSOD) and catalase (MeCAT1) were used to evaluate and molecularly confirm cassava resistance to Tetranychus cinnabarinus. Laboratory evaluation demonstrated that, compared with the control cultivar TMS60444 (wild type, WT), the survival, reproduction, development and activities of SOD and CAT in T. cinnabarinus feeding on transgenic cassava lines SC2, SC4, and SC11 significantly inhibited...
January 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28049194/early-intervention-improves-clinical-responses-to-house-dust-mite-immunotherapy-in-allergic-rhinitis-patients
#20
Shanshan Qi, Hao Chen, Nan Huang, Wenjing Li, Guanghui Liu, Yin Wang, Lintao Hu, Xiaolong Wang, Wei Zhang, Rongfei Zhu
BACKGROUND: Allergen immunotherapy (AIT) is the unique causal treatment for respiratory allergy. As AIT is expensive and of long duration, the availability of a marker predicting AIT responders is of crucial relevance. OBJECTIVE: To investigate clinical parameters correlated with effective AIT in allergic rhinitis (AR) patients. METHODS: This is a prospective, nonrandomized open study in which a total of 284 AR patients who had received house dust mite (HDM) subcutaneous AIT were enrolled from January 2011 to December 2015, and then followed up for 3 consecutive years...
January 4, 2017: International Archives of Allergy and Immunology
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