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Chia-Feng Yang, Chen-Chang Yang, I-Jen Wang
BACKGROUND: Increasing prevalence of allergic diseases has been matched by parallel trends in attention-deficit/hyperactivity disorder (ADHD). However, previous studies concerning the association between ADHD and allergic diseases have been inconsistent. Moreover, it is not clear whether this association is modified by allergic sensitization status. Therefore, we evaluated the association between allergic diseases, allergic sensitization, and ADHD in children. METHODS: We conducted a large-scale cross-sectional, population-based survey to investigate the relationship between allergic diseases, allergic sensitization, and ADHD...
November 24, 2017: Journal of the Chinese Medical Association: JCMA
Tom Weihmann, Pierre-Guillaume Brun, Emily Pycroft
Background: Many legged animals change gaits when increasing speed. In insects, only one gait change has been documented so far, from slow walking to fast running, which is characterised by an alternating tripod. Studies on some fast-running insects suggested a further gait change at higher running speeds. Apart from speed, insect gaits and leg co-ordination have been shown to be influenced by substrate properties, but the detailed effects of speed and substrate on gait changes are still unclear...
2017: Frontiers in Zoology
Li-Ching Fang, Shyh-Dar Shyur, Jun Yang, Jen-Yu Wang, Yu-Hsuan Kao, Chien-Hui Yang, Yu-Ting Yu
BACKGROUND: Aeroallergen sensitization may predict higher fractional exhaled nitric oxide (FeNO) levels. OBJECTIVE: We evaluate cut-off values of FeNO in asthmatic children with and without positive specific immunoglobulin E (IgE) to at least one of 5 aeroallergens (Dermatophagoides pteronyssinus, Dermatophagoides farinae, cat, dog, and cockroach). METHODS: 564 patients with asthma and allergic rhinitis (AR) aged 5 to 18 years were enrolled into two groups...
December 10, 2018: Asian Pacific Journal of Allergy and Immunology
Jeffrey M Donlea
Sleep is necessary for survival, and prolonged waking causes a homeostatic increase in the need for recovery sleep. Homeostasis is a core component of sleep regulation and has been tightly conserved across evolution from invertebrates to man. Homeostatic sleep regulation was first identified among insects in cockroaches several decades ago, but the characterization of sleep rebound in Drosophila melanogaster opened the use of insect model species to understand homeostatic functions and regulation of sleep. This review describes circuits in two neuropil structures, the central complex and mushroom bodies, that influence sleep homeostasis and neuromodulatory systems that influence the accrual of homeostatic sleep need...
December 2017: Current Opinion in Insect Science
Werner Gnatzy, Walter Volknandt, Anja Dzwoneck
For providing their offspring females of the digger wasp species Ampulex compressa hunt cockroaches paralyze them and attach as a rule one egg to the coxa of one of the mid legs of their prey. We observed the egg-laying behavior and examined with light- and scanning microscopy (i) nearly mature eggs from ovaries of freshly dissected females and (ii) eggs immediately after their deposition on the coxae of their prey. The length of the white bean-shaped eggs varied between 2.2 and 3.0 mm, their diameter between 0...
November 30, 2017: Arthropod Structure & Development
Anna Honkanen, Paulus Saari, Jouni Takalo, Kyösti Heimonen, Matti Weckström
Insect ocelli are relatively simple eyes that have been assigned various functions not related to pictorial vision. In some species they function as sensors of ambient light intensity, from which information is relayed to various parts of the nervous system, e.g., for the control of circadian rhythms. In this work we have investigated the possibility that the ocellar light stimulation changes the properties of the optomotor performance of the cockroach Periplaneta americana. We used a virtual reality environment where a panoramic moving image is presented to the cockroach while its movements are recorded with a trackball...
November 30, 2017: Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology
Lu Qiu, Yan-Li Che, Zong-Qing Wang
The cockroach genus Eucorydia from China is revised. Five new species are described and illustrated: Eucorydia linglongsp. n., Eucorydia pilosasp. n., Eucorydia splendidasp. n., Eucorydia guilinensissp. n., and Eucorydia tangisp. n.. Corydia purpuralis Kirby, 1903 and Eucorydia paucipilosa Woo, Guo & Feng, 1986 are confirmed to be junior synonyms of Eucorydia dasytoides (Walker, 1868). Eucorydia hilaris (Kirby, 1903) is newly recorded from China. This genus and currently known species from around the world are discussed...
2017: ZooKeys
Julia Gestrich, Maria Giese, Wen Shen, Yi Zhang, Alexandra Voss, Cyril Popov, Monika Stengl, HongYing Wei
Transplantation studies have pinpointed the circadian clock of the Madeira cockroach to the accessory medulla (AME) of the brain's optic lobes. The AME is innervated by approximately 240 adjacent neuropeptidergic neurons, including 12 pigment-dispersing factor (PDF)-expressing neurons anterior to the AME (aPDFMEs). Four of the aPDFMEs project contralaterally, controlling locomotor activity rhythms of the night-active cockroach. The present in vitro Ca2+ imaging analysis focuses on contralaterally projecting AME neurons and their responses to PDF, GABA, and acetylcholine (ACh)...
November 1, 2017: Journal of Biological Rhythms
Gyaviira Nkurunungi, Joyce Kabagenyi, Margaret Nampijja, Richard E Sanya, Bridgious Walusimbi, Jacent Nassuuna, Emily L Webb, Alison M Elliott
Low allergy-related disease (ARD) prevalence in low-income countries may be partly attributed to helminth infections. In the Schistosoma mansoni (Sm)-endemic Lake Victoria islands (Uganda), we recently observed positive helminth-allergy associations, despite low ARD prevalence. To understand how Sm-induced cytokine and antibody profiles might influence allergic response profiles in this population, we assessed Schistosoma worm (SWA)- and egg antigen (SEA)-specific Th1 (IFN-γ), Th2 (IL-5, IL-13) and regulatory (IL-10) cytokine profiles (n=407), and total (n=471), SWA-, SEA- and allergen (house dust mite [HDM] and cockroach)-specific (as)IgE and IgG4 profiles (n=2117) by ELISA...
November 24, 2017: Parasite Immunology
Nualanong Visitsunthorn, Wanwipa Chaimongkol, Kittipos Visitsunthorn, Punchama Pacharn, Orathai Jirapongsananuruk
BACKGROUND: Flooding may affect aeroallergen sensitization. OBJECTIVE: To evaluate aeroallergen sensitization in children with asthma and/or allergic rhinitis (AR) by skin prick test (SPT) before and after the great flood of 2011 in Bangkok, Thailand. METHODS: The study was performed retrospectively in asthma and/or AR children (aged 0-18 years) in Siriraj Hospital, Bangkok, Thailand from 2009 to 2013. All of the cases received SPT with common aeroallergens...
November 22, 2017: Asian Pacific Journal of Allergy and Immunology
Alisa Yamasaki, Lloyd P Hoehle, Katie M Phillips, Adam P Campbell, David S Caradonna, Stacey T Gray, Ahmad R Sedaghat
No abstract text is available yet for this article.
November 2017: Annals of Allergy, Asthma & Immunology
Weijun Li, Zongqing Wang, Yanli Che
In this study, the complete mitochondrial genome of Cryptocercus meridianus was sequenced. The circular mitochondrial genome is 15,322 bp in size and contains 13 protein-coding genes, two ribosomal RNA genes (12S rRNA and 16S rRNA), 22 transfer RNA genes, and one D-loop region. We compare the mitogenome of C. meridianus with that of C. relictus and C. kyebangensis. The base composition of the whole genome was 45.20%, 9.74%, 16.06%, and 29.00% for A, G, C, and T, respectively; it shows a high AT content (74...
November 12, 2017: International Journal of Molecular Sciences
Meng Li, Yan-Li Che, Yu-Hong Zheng, Zong-Qing Wang
In this paper, three new species (S. bimaculatasp. n., S. viridissp. n., and S. hispidasp. n.) and five known species, S. formosana (Matsumura, 1913), S. nigra (Shiraki, 1908), S. shanensis (Princis, 1950), S. bivitta (Bey-Bienko, 1969), and S. undulata (Bey-Bienko, 1958), are described and illustrated. Sorineuchora undulata was previously synonymized with S. nigra, and is now reinstated as a valid species. A key to the males of Sorineuchora from China is provided.
2017: ZooKeys
Kang Zhu, Xiao-Ling Hou, Hui-Jie Huang, Ya-Ru Wang, Yi-Xin Ren, Xin Ni, Li Xiang
OBJECTIVE: To investigate the distribution characteristics of serum specific IgE (sIgE) for inhaled allergens in children with different airway allergic diseases. METHODS: Fluorescent enzyme-linked immunosorbent assay on the UniCAP250 system was performed to measure serum sIgE for 9 common inhaled allergens in 256 children aged 3-14 years with different airway allergic diseases. According to the clinical diagnosis, these children were divided into rhinitis group (37 children with allergic rhinitis), asthma group (82 children with bronchial asthma), and rhinitis-asthma group (137 children with allergic rhinitis complicated by bronchial asthma)...
November 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
George M Strain
The objective of the study was to assess the neurotoxicity, using electrodiagnostic tests, of hydramethylnon (Amdro, AC 217,300), an insecticide marketed for the treatment of red imported fire ants, cockroaches, and other insects. Animals were male Fisher 344 albino rats and Long-Evans hooded rats. Brainstem auditory, visual, and somatosensory evoked potentials (BAER, VEP, SEP) and electroencephalograms (EEG) were recorded from implanted screw electrodes before and at multiple time points through day 10 after a single oral dose of hydramethylnon (at 50% or 75% of the LD50) plus vehicle, or vehicle alone...
October 31, 2017: Research in Veterinary Science
Jayati Ghosh
American cockroach, Periplaneta americana harbours pinworms in their gut. In the present study, 88 host cockroaches were dissected and the number of adult females of each pinworm species was recorded from Barasat, North 24 Parganas, West Bengal. Three species of Oxyurid nematodes were found: Hammerschmidtiella diesingi (Hammerschmidt, Helminthologische Beiträge. Isis (oken), Leipz 5:351-358, 1838), Leidynema appendiculatum (Leidy in Proc Acad Natl Sci Phila 5:100-102, 1850) and Thelastoma sp. (Leidy in Proc Nat Acad Sci Phila 4:30, 1849)...
December 2017: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
Alireza Sanei Dehkordi, Yaser Salim Abadi, Hasan Nasirian, Teymour Hazratian, Mohammad Amin Gorouhi, Saideh Yousefi, Azim Paksa
OBJECTIVE: To determine the synergists action of piperonyl butoxide (PBO) and S,S,S-tributyl phosphorotrithioate (DEF) on toxicity of carbamate insecticides against Blattella germanica in Tehran city. METHODS: In the current study, German cockroach strains were collected from several hospitals and dormitories in Tehran. At the beginning, different concentrations of bendiocarb and carbaryl (insecticides belong to carbamate group) were determined by surface contact on a susceptible strain...
October 2017: Asian Pacific Journal of Tropical Medicine
Erik R Svendsen, Melissa Gonzales, Adwoa Commodore
The El Paso Children's Health Study examined environmental risk factors for allergy and asthma among fourth and fifth grade schoolchildren living in a major United States-Mexico border city. Complete questionnaire information was available for 5210 children, while adequate pulmonary function data were available for a subset of 1874. Herein we studied indoor environmental health risk factors for allergy and asthma. Several indoor environmental risk factors were associated with allergy and asthma. In particular, we found that ant and spider pest problems, pet dogs, fireplace heat, central air conditioning, humidifier use, and cooking with gas stoves were positively associated with both allergy and asthma prevalence...
October 26, 2017: Science of the Total Environment
Eunjung Jang, Quang Tam Nguyen, Sohee Kim, Dongkyun Kim, Thi Hong Nga Le, Karen Keslar, Nina Dvorina, Mark A Aronica, Booki Min
Understanding functions of Foxp3(+) regulatory T cells (Tregs) during allergic airway inflammation remains incomplete. In this study, we report that, during cockroach Ag-induced allergic airway inflammation, Foxp3(+) Tregs are rapidly mobilized into the inflamed lung tissues. However, the level of Treg accumulation in the lung was different depending on the type of inflammation. During eosinophilic airway inflammation, ∼30% of lung-infiltrating CD4 T cells express Foxp3, indicative of Tregs. On the contrary, only ∼10% of infiltrating CD4 T cells express Foxp3 during neutrophilic airway inflammation...
November 1, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
Wolfgang Blenau, Sabine Balfanz, Arnd Baumann
The catecholamines norepinephrine and epinephrine regulate important physiological functions in vertebrates. In insects; these neuroactive substances are functionally replaced by the phenolamines octopamine and tyramine. Phenolamines activate specific guanine nucleotide-binding (G) protein-coupled receptors (GPCRs). Type 1 tyramine receptors are better activated by tyramine than by octopamine. In contrast; type 2 tyramine receptors are almost exclusively activated by tyramine. Functionally; activation of type 1 tyramine receptors leads to a decrease in the intracellular concentration of cAMP ([cAMP]i) whereas type 2 tyramine receptors can mediate Ca(2+) signals or both Ca(2+) signals and effects on [cAMP]i...
October 30, 2017: International Journal of Molecular Sciences
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