نتایج جستجو برای: grman cockroach
تعداد نتایج: 2665 فیلتر نتایج به سال:
the susceptibility of 5 wild strains of german cockroach collected from five infected flats in tehran were assessed by tests of surface contact method to cyfluthrin, permethrin, sumithrin and lambdacyhalothrin. comparison of the result of knockdown tests on the wild strains with a standard susceptible strain indicated that all the strains are resistant to sumithrin, i.e., resistance ratio, the ...
Background: Asthma is the most common chronic disease of childhood. Exposure to allergens plays an important role in asthma. Recently, cockroach has attracted attentions as an important allergen. Objective: To evaluate cockroach allergy in Iranian children with asthma. Methods: 100 children with asthma were studied. After determination of asthma severity, serum total IgE and blood eosinophils w...
Background: German cockroach, Blattella Germanica, is a mechanical vector of various pathogenic agents such as viruses, bacteria, protozoa and parasite eggs. The purpose of this study was to determine the susceptibility level of German cockroach to bendicarb and carbaryl from carbamate insecticides, and malathion and chlropyrifos from organophosphorous insecticides. Methods: In this study, ...
E. Toby Kiers*, Lynn S. Adler, Emily L. Grman and Marcel G. A. van der Heijden Institute of Ecological Science, Vrije Universiteit Amsterdam, De Boelelaan 1085, 1081 HV Amsterdam, The Netherlands; Department of Plant, Soil and Insect Science, University of Massachusetts at Amherst, Massachusetts, USA; Kellogg Biological Station and Plant Biology Department, Michigan State University, Hickory Co...
The cockroach represents one of the most common sources of indoor allergens worldwide, and 40%-60% of patients with asthma in urban and inner-city areas possess IgE antibodies to cockroach allergens. In Korean homes, four cockroach species have been found, of which the most commonly encountered is the German cockroach. The pathogenic mechanism underlying the association between cockroach allerg...
background: considering to the high distribution of cockroaches as urban pests, the efficacy of different formulations of metarhizium anisopliae strain iran 437c were assessed against the brown-banded cockroach, supella longipalpa f. under laboratory and field conditions. methods: metarhizium anisopliae isolates were screened with immersing adults of the brown-banded cockroachs in aqueous sus...
For nearly a half century, cockroaches have been recognized as a major cause of asthma morbidity in the urban, inner-city environment. Several cockroach-produced allergens have been identified and characterized, and a few have been produced as recombinant proteins. Recent research has moved beyond clinical, patient-based investigations to a more entomological perspective that addresses the prod...
BACKGROUND Cockroach allergy is a key contributor to asthma morbidity in children living in urban environments. OBJECTIVE We sought to document immune responses to cockroach allergen and provide direction for the development of immunotherapy for cockroach allergy. METHODS Four pilot studies were conducted: (1) an open-label study to assess the safety of cockroach sublingual immunotherapy (S...
BACKGROUND The relationships between cockroach and mouse allergen exposure, anti-cockroach and anti-mouse IgE, and wheeze, rhinitis, and atopic dermatitis in children as young as age 3 years are of public health importance but have not been thoroughly evaluated. OBJECTIVE We hypothesized that inner-city children might have anti-cockroach and anti-mouse IgE by age 3 years, and their presence w...
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