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https://www.readbyqxmd.com/read/28439905/der-f-35-an-md-2-like-house-dust-mite-allergen-that-cross-reacts-with-der-f-2-and-pso-o-2
#1
Takashi Fujimura, Tsunehiro Aki, Toshihide Isobe, Akito Matsuoka, Takaharu Hayashi, Kazuhisa Ono, Seiji Kawamoto
BACKGROUND: Dermatophagoides farinae is a source of airborne house dust mite (HDM) allergens. We elucidated IgE-reactive allergens from D. farinae by two-dimensional immunoblotting-based allergenome analysis, and identified one new allergen, named Der f 35, that possesses IgE-binding capacity comparable to that of Der f 2. The aim of this study is to clarify the allergenic capacity of new HDM allergen Der f 35. METHODS: We cloned der f 35 from D. farinae mRNA and produced recombinant Der f 35 in Escherichia coli...
April 25, 2017: Allergy
https://www.readbyqxmd.com/read/28435762/laboratory-diagnosis-of-scabies-using-a-simple-saline-mount-a-clinical-microbiologist-s-report
#2
Venkataramana Kandi
Scabies is a skin condition caused by infestation of the mite Sarcoptes scabiei. Sarcoptes scabiei var. hominis is an arthropod member belonging to the order Acarina. Scabies is present throughout the world and is prevalent in all age groups, mostly involving people frequently in contact with animals, children, women, and elderly people. Predisposing factors for scabies include individuals with immunosuppressive conditions and people residing under low socioeconomic conditions. Skin lesions that occur during mite infestation closely resemble dermatological disorders caused by microbes, including fungi, parasites, and viruses...
March 19, 2017: Curēus
https://www.readbyqxmd.com/read/28435382/myobiid-mites-trombidiformes-myobiidae-of-the-golden-bat-mimon-cozumelae-from-mexico-description-of-the-male-and-tritonymph-of-ioanella-mimon-and-new-records-of-eudusbabekia-mimon
#3
Angel Herrera-Mares, Carmen Guzmán-Cornejo, Livia León-Paniagua, Gerardo Rivas
The male and the tritonymph of Ioanella mimon are described for the first time parasitizing to Mimon cozumelae from Yucatan, Mexico. Male of Ioanella mimon is characterized by the presence of legs I with the tibia and tarsus fused forming a small complex devoided of apical claws, legs II-IV with two claws, setae vi at level of anterior end of genital plate, genital plate rounded with an anterior projection, all intercoxal setae short; while the tritonymph is characterized by the presence of legs I unequal; legs II-IV with 2-1-1 claws, and posterior region of dorsal idiosoma with 3 pairs of cylindrical and toothed setae...
2017: ZooKeys
https://www.readbyqxmd.com/read/28434865/allergens-involved-in-the-cross-reactivity-of-aedes-aegypti-with-other-arthropods
#4
Jose Fernando Cantillo, Leonardo Puerta, Sylvie Lafosse-Marin, Jose Luis Subiza, Luis Caraballo, Enrique Fernandez-Caldas
BACKGROUND: Cross-reactivity between Aedes aegypti and mites, cockroaches, and shrimp has been previously suggested, but the involved molecular components have not been fully described. OBJECTIVE: To evaluate the cross-reactivity between A aegypti and other arthropods. METHODS: Thirty-four serum samples from patients with asthma and/or allergic rhinitis were selected, and specific IgE to A aegypti, Dermatophagoides pteronyssinus, Dermatophagoides farinae, Blomia tropicalis, Periplaneta americana...
April 20, 2017: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/28432470/male-behavioural-plasticity-depends-on-maternal-mating-status-in-the-two-spotted-spider-mite
#5
Keiko Oku, Tom P G van den Beuken
In haplodiploid organisms including the two-spotted spider mite, Tetranychus urticae (Acari: Tetranychidae), both unmated and mated females can produce male offspring. A previous study reported that males produced by unmated females (UM males) find pre-reproductive females more quickly than males produced by mated females (M males) in T. urticae. However, it remains unclear what factors cause the difference. We investigated effects of maternal mating status on mate-searching behaviour of their sons by changing the sons' developmental environment...
April 21, 2017: Experimental & Applied Acarology
https://www.readbyqxmd.com/read/28430382/mixed-evidence-for-the-erosion-of-inter-tactical-genetic-correlations-through-intralocus-tactical-conflict
#6
Kyana N Pike, Joseph L Tomkins, Bruno A Buzatto
Alternative reproductive tactics, whereby members of the same sex use different tactics to secure matings are often associated with conditional intrasexual dimorphisms. Given the different selective pressures on males adopting each mating tactic,, intrasexual dimorphism is more likely to arise if phenotypes are genetically uncoupled and free to evolve towards their phenotypic optima. However, in this context, genetic correlations between male morphs could result in intralocus tactical conflict. We investigated the genetic architecture of male dimorphism in bulb mites (Rhizoglyphus echinopus) and earwigs (Forficula auricularia)...
April 21, 2017: Journal of Evolutionary Biology
https://www.readbyqxmd.com/read/28429373/dietary-shifts-have-consequences-for-the-repertoire-of-allergens-produced-by-the-european-house-dust-mite
#7
J C Vidal-Quist, F Ortego, S Rombauts, P Castañera, P Hernández-Crespo
Products manufactured from mass-cultured house dust mites, currently commercialized for the diagnosis and immunotherapy of allergy, are heterogeneous in terms of allergen composition and thus present concerns to regulatory authorities. The most abundant species, Dermatophagoides pteronyssinus (Trouessart) (Astigmata: Pyroglyphidae), produces 19 allergenic proteins. Many of these are putatively involved in mite digestive physiology and metabolism. This study aimed to evaluate the effects of mite-rearing media on allergen production...
April 21, 2017: Medical and Veterinary Entomology
https://www.readbyqxmd.com/read/28429303/natural-evolution-of-ige-responses-to-mite-allergens-and-relationship-to-progression-of-allergic-disease-a-review
#8
REVIEW
Daniela Posa, Stephanie Hofmaier, Stefania Arasi, Paolo Maria Matricardi
PURPOSE OF REVIEW: Allergenic molecules of the house dust mite (HDM) are crucially important indoor allergens, contributing to allergic rhinitis and asthma around the globe. In the past years, recombinant molecules for diagnostics opened new pathways to investigate individual sensitization profiles and new chances for the prevention and treatment of HDM allergy. This review summarizes the latest findings on the evolution of IgE responses towards mite allergens. RECENT FINDINGS: Several cross-sectional and longitudinal studies confirmed the role of Der p 1 and Der p 2 as major allergenic proteins of the HDM...
May 2017: Current Allergy and Asthma Reports
https://www.readbyqxmd.com/read/28426401/a-new-species-of-the-quill-mite-genus-chenophila-kethley-1970-acariformes-syringophilidae-from-the-marbled-teal-marmaronetta-angustirostris-menetries-anseriformes-anatidae-in-turkey
#9
Mateusz Zmudzinski, Markus Unsoeld
A new species of parasitic mite of the family Syringophilidae (Acariformes: Cheyletoidea), Chenophila marmaronetta sp. nov. is described from the secondary quill feathers of Marmaronetta angustirostris (Menetries) (Anseriformes: Anatidae) from Turkey. This species differs from closely related Ch. platyrhynchos Tymcio et al., 2013 by the presence of 9 chambers in each medial branch of the peritremes (vs 5 chambers in Ch. platyrhynchos), length of the stylophore 220-235 (vs 255-275), and lengths of setae vi, ve, d1 and d2 40-55, 65-70, 90-105 and 170, respectively (vs 65-85, 80-100, 130-170 and 85-150)...
June 1, 2017: Acta Parasitologica
https://www.readbyqxmd.com/read/28425249/prediction-of-atopy-via-total-immunoglobulin-e-levels-andskin-prick-tests-in-patients-with-psoriasis
#10
Emine Sümeyye Ünal, Ülker Gül, Adile Berna Dursun, Ferda Öner Erkekol
BACKGROUND/AIM: Although the etiopathogeneses of psoriasis and atopy appear to be different, psoriasis has been found to be associated with atopy and atopic dermatitis. In this study, we aimed to determine the role of atopy by examining the medical history and clinical and laboratory findings of patients with psoriasis. MATERIALS AND METHODS: Patients with psoriasis, asthma patients, and healthy volunteers were included in the study. Serum total immunoglobulin E (IgE) levels were obtained, and prick tests were administered to all groups...
April 18, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28425038/a-new-species-selenonycha-insperata-n-sp-acariformes-syringophilidae-from-the-bare-faced-ibis-phimosus-infuscatus-lichtenstein-pelecaniformes-threskiornithidae-as-an-example-of-host-switching-event
#11
Mateusz Zmudzinski, Maciej Skoracki
A new quill mite species of the family Syringophilidae (Acariformes: Prostigmata: Cheyletoidea) is described from Phimosus infuscatus (Lichtenstein) (Pelecaniformes: Threskiornithidae) in Argentina. Selenonycha insperata n. sp. differs from other species of the genus Selenonycha Kethley, 1970 by the presence of wing-like cuticular projections of coxal fields III-IV situated in front of trochanters (vs absence). An unexpected finding of this species on a bird of the family Threskiornithidae (Pelecaniformes) is discussed as an example of host shift...
April 19, 2017: Systematic Parasitology
https://www.readbyqxmd.com/read/28423239/a-novel-jak-inhibitor-jte-052-reduces-skin-inflammation-and-ameliorates-chronic-dermatitis-in-rodent-models-comparison-with-conventional-therapeutic-agents
#12
Atsuo Tanimoto, Yuichi Shinozaki, Yasuo Yamamoto, Yoshiaki Katsuda, Eriko Riya, Kaoru Toyoda, Kochi Kakimoto, Yukari Kimoto, Wataru Amano, Noriko Konishi, Mikio Hayashi
Janus kinases (JAKs) are required for several inflammatory cytokine signaling pathways and are implicated in the pathogenesis of chronic dermatitis, including atopic dermatitis and psoriasis. JAK inhibitors are therefore promising therapeutic candidates for chronic dermatitis. In this study, we evaluated the effects of the novel JAK inhibitor JTE-052 on inflammatory responses associated with chronic dermatitis, and compared its profile with those of conventional therapeutic agents in rodent models of chronic dermatitis...
April 19, 2017: Experimental Dermatology
https://www.readbyqxmd.com/read/28421804/composition-and-diversity-of-acaroids-mites-acari-astigmata-community-in-the-stored-rhizomatic-traditional-chinese-medicinal-materials
#13
Xiaodong Zhan, Yilong Xi, Chaopin Li, Jinhong Zhao, Guo Wei
OBJECTIVE: To investigate the species and breeding density of ac a roid mites in the stored rhizomatic traditional Chinese medicinal materials in Anhui province, China, in order to supply evidences for control and prevention of such species. METHODS: The stored traditional Chinese medicinal materials of root-stock origins were collected in 30 herb stores and warehouses in 17 cities across Anhui province. Mites were collected by using Tullgren funnel and directicopy, and identified under microscopy...
March 30, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/28420758/the-foxm1-inhibitor-rcm-1-suppresses-goblet-cell-metaplasia-and-prevents-il-13-and-stat6-signaling-in-allergen-exposed-mice
#14
Lifeng Sun, Xiaomeng Ren, I-Ching Wang, Arun Pradhan, Yufang Zhang, Hannah M Flood, Bo Han, Jeffrey A Whitsett, Tanya V Kalin, Vladimir V Kalinichenko
Goblet cell metaplasia and excessive mucus secretion associated with asthma, cystic fibrosis, and chronic obstructive pulmonary disease contribute to morbidity and mortality worldwide. We performed a high-throughput screen to identify small molecules targeting a transcriptional network critical for the differentiation of goblet cells in response to allergens. We identified RCM-1, a nontoxic small molecule that inhibited goblet cell metaplasia and excessive mucus production in mice after exposure to allergens...
April 18, 2017: Science Signaling
https://www.readbyqxmd.com/read/28420752/highlight-a-new-way-to-block-the-development-of-asthma-from-dust-mites
#15
Michael Yaffe
Targeting a transcription factor, generally considered to be "nondruggable," may help to prevent asthma from developing.
April 18, 2017: Science Signaling
https://www.readbyqxmd.com/read/28419239/quantitative-analysis-of-long-term-mass-rearing-of-neoseiulus-californicus-acari-phytoseiidae-on-almond-pollen
#16
Mostafa Khanamani, Yaghoub Fathipour, Ali Asghar Talebi, Mohammad Mehrabadi
Long-term feeding effects of the almond pollen on the life table parameters of Neoseiulus californicus McGregor were assessed after 5, 10, and 20 generations after introduction in the rearing arena. Furthermore, to evaluate behavioral characteristics of the mass-reared predator (strain A) in face with the real prey, functional and numerical responses of the predator to different densities of the twospotted spider mite nymphs were determined, and the obtained data were compared with those reared on twospotted spider mite (strain T)...
April 15, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28418466/relief-for-dust-mite-allergy
#17
Rebecca Voelker
No abstract text is available yet for this article.
April 18, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28417625/influence-of-sensitization-patterns-on-fractional-exhaled-nitric-oxide-in-asthmatic-children
#18
Miao Qing, Xu Wei, Li Zhen, Guan Hui, Liu Xiao-Ying, Huang Hui-Jie, Wang Yan, Ren Yi-Xin, Liu Yong-Ge, Xiang Li
Fractional exhaled nitric oxide (FeNO) has been suggested as a non-invasive biomarker of airway inflammation, which is increased in atopic subjects. Whether sensitization to particular allergens is a predictive factor for increased FeNO levels is not yet fully understood. We conducted a retrospective cross-sectional study. From October to December in 2015, the medical documents of 127 mild, steroid-naive asthmatic children and 34 healthy age-matched children were enrolled in this study. The results of the FeNO measurements, skin prick test, and the spirometry were collected for analysis...
February 2017: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/28417623/a-real-life-comparison-between-allergenic-extracts-and-allergenic-molecules
#19
Giorgio Ciprandi, Paola Comite, Francesca Ferrero, Michele Mussap
Serum IgE assay is a mainstay step in the allergy work up. Allergenic extracts and molecular components are available at present. This real life study compared the serum specific IgE levels against allergenic extracts with allergenic molecules in patients allergic to Parietaria, Betulaceae, and mites. This retrospective real life study included 489 subjects with respiratory allergy. Inclusion criteria were 1) documented diagnosis of allergic rhinitis (AR) and/or allergic asthma, and 2) documented allergy to Parietaria judaica (Par j) 2 (216 patients: 112 females, mean age 42 years), or to Betula verrucosa (Bet v) 1 (62 patients: 35 females, mean age 3 years), or Dermatophagoides pteronyssinus (Der p) 1 (211 patients: 107 females, mean age 34 years); and mono-allergy...
February 2017: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/28417249/virus-vector-relationship-in-the-citrus-leprosis-pathosystem
#20
Aline Daniele Tassi, Laura Cristina Garita-Salazar, Lilian Amorim, Valdenice Moreira Novelli, Juliana Freitas-Astúa, Carl C Childers, Elliot W Kitajima
Citrus leprosis has been one of the most destructive diseases of citrus in the Americas. In the last decade important progress has been achieved such as the complete genome sequencing of its main causal agent, Citrus leprosis virus C (CiLV-C), belonging to a new genus Cilevirus. It is transmitted by Brevipalpus yothersi Baker (Acari: Tenuipalpidae), and is characterized by the localized symptoms it induces on the leaves, fruits and stems. It occurs in the American continents from Mexico to Argentina. The virus was until recently considered restricted to Citrus spp...
April 17, 2017: Experimental & Applied Acarology
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