| [unusual retention cyst of lower lid (author's transl)]. | a 70-year-old woman presented with an unusual retention cyst of right lowerlid border. histological findings: epiderm cyst of atheroma type. there is no relapse after operation. inflammatory occlusion of zeiss- or meibom-sebaceous gland by saprophytic mites (acarus siro, demodex folliculorum) is discussed. | 1979 | 522419 |
| skin and serum reactivity to some storage mites in children sensitive to dermatophagoides pteronyssinus. | the incidence of skin test and rast positivity for dermatophagoides farinae and storage mites (glycyphagus privatus, lepidoglyphus destructor, tyrophagus putrescentiae, acarus siro, and gohieria fusca) have been evaluated in children with bronchial asthma and positive prick test to dermatophagoides pteronyssinus. the storage mite with highest incidence of skin and rast positivity was gohieria fusca, which caused a positive response in more than 50% of the children evaluated. this antigen appears ... | 1989 | 2742217 |
| the effect of three species of mites upon fungal growth on wheat. | every week, for 20 weeks, the growth of naturally occurring grain storage fungi on wheat infested with the three commonest british grain storage mites, acarus siro, glycyphagus destructor and tyrophagus longior, was compared with that on uninfested wheat. the number of colonies of the aspergillus glaucus group per gram were always less on grain infested with mites than on uninfested grain. penicillium spp. were also less numerous on grain which was infested with a. siro but did not appear to be ... | 1986 | 3451862 |
| [acari of food storage facilities. an ecologic and immuno-allergic study]. | the authors studied the commonest species of storage mites, living in granaries and in house dust. they found nine species of mites belonging to different systematic groups and were identified: acarus siro, tyrophagus putrescentiae, glycyphagus domesticus, lepidoglyphus destructor, chortoglyphus arcuatus, androlaelaps casalis, cheyletus fortis, cheyletus tenuipilis, thyreophagus entomophagus. skin tests were performed on 14 patients with house dust allergy, using extracts of three storage mites, ... | 1985 | 3837918 |
| storage mites in the work environment of farmers. | occurrence of storage mites was studied in cow houses and hay stores on 19 farms, most of which were located in eastern finland. on two farms we did a monthly follow-up. mites were extracted from hay by sieving, using the so-called "water trap" and for longitudinal analysis, with a warm extractor. the mites isolated in the water trap were identified under a microscope. contrary to previous finnish findings, there apparently were more mites in cow houses than in hay stores. in cow houses there we ... | 1987 | 3478210 |
| clinical significance and allergenic cross-reactivity of euroglyphus maynei and other nonpyroglyphid and pyroglyphid mites. | the clinical significance and allergenic cross-reactivity of the storage mites lepidoglyphus destructor and acarus siro and the house dust mites dermatophagoides pteronyssinus and euroglyphus maynei were investigated with specific ige antibodies by use of the rast and the rast-inhibition technique. rast-positive sera were obtained from 64 swedish farmers whose test results were positive to at least one of the four mite species. e. maynei was shown to be a common cause of sensitization among the ... | 1989 | 2926080 |
| [pathology caused by acari]. | this report concerns the observations the authors have been carrying out for over twelve years in sardinia; they regard the sensitization to house dust mites (dermatophagoides pteronyssinus, dermatophagoides farinae) and to storage mites (acarus siro, glycyphagus domesticus, lepidoglyphus destructor, tyrophagus putrescentiae) and are been obtained with: 1) skin tests with mite extracts; 2) radioallergosorbenttest (rast) for specific ige and igg; 3) mite exposure in homes and mite analysis; 4) hy ... | 1989 | 2519754 |
| [human pulmonary ascariasis in anhui province: an epidemiological survey]. | 924 subjects, 542 males and 382 females working in grainstoring, or herb-storing, from different parts of anhui province were examined for the possible existence of pulmonary acariasis. 49 cases(5.3%), 31 males and 18 females, were found positive for mites in their sputum. 83.7% of the sufferers aged 16-45. 22 out of the 22 out of the 49 sufferers developed a marked eosinophilia ranging from 4% to 48% and a count of 320-5,050/mm3, whereas x-ray films revealed varied degrees of widening lung hilu ... | 1990 | 2364504 |
| dermatophagoides and storage mites: statistical analysis of rast results. | r.i.a. dosages of specific ige antibodies to dermatophagoides pteronyssinus, dermatophagoides farinae (house dust mites), acarus siro, lepidoglyphus destructor, and tyrophagus putrescentiae (storage mites) in 467 unselected patients were statistically analyzed. a significant noncorrelation between specific ige antibodies to storage mites and those to house dust mites has been found, suggesting that storage mites have their own allergenic specificity. | 1990 | 2321810 |
| prevalence of specific ige to storage mites (a. siro, l. destructor and t. longior) in an urban population and crossreactivity with the house dust mite (d. pteronyssinus). | the role of pyroglyphid mites in house dust allergy is well established and the major allergens from the common house dust mites (dermatophagoides species) have been characterized. there is, however, relatively little progress in the understanding of the human ige response to non-pyroglyphid storage mites, allergenic crossreactivity with other mite species and extent of environmental exposure. we studied 196 individuals from an urban environment who were not occupationally exposed to storage mit ... | 1990 | 1695869 |
| skin cross-reactivity between dermatophagoides pteronyssinus and storage mites in atopic children. | in our environment, some children with allergic respiratory pathology do not have as favorable an evolution as expected after three years of immunotherapy with d. pteronyssinus extracts. we believe this is due to the existence of other mites whose antigenic determinants are not present in d. pteronyssinus. the purpose of the present study was to evaluate skin cross-reactivity between dermatophagoides and storage mites in children with bronchial asthma. fifty patients were chosen, with a mean age ... | 1991 | 1669575 |
| comparison of allergic responses to dust mites in u.k. bakery workers and swedish farmers. | the ige rast response to dermatophagoides pteronyssinus and four storage mites (lepidoglyphus destructor, tyrophagus putrescentiae, glycyphaghus domesticus, and acarus siro) was examined in 251 u.k. bakery workers and compared with that previously found in 440 swedish farmers. storage mites are found commonly in stored hay and grain so both these groups potentially encounter them in their work. in neither group of workers was a positive rast (greater than or equal to 0.35 pru) to d. pteronyssinu ... | 1992 | 1571817 |
| house dust mites in switzerland. iii. allergenic properties of the mites. | the allergenic properties of the nine mite species prevalent in the house dust of northwestern switzerland (basel and surroundings) were studies. for the preparation of mite extracts, the average weight of each species was first determined and then the number per culture glass counted. thus the extracts were prepared according to the weight of the mites. they were tested on 115 patients with ashma and/or rhinitis. tests with patients own house dust and with a human dander/yeast mixture, which s ... | 1977 | 579046 |
| occupational allergic disease in cereal workers by stored grain pests. | it is well known that workers occupationally exposed to grain dust have a high prevalence of respiratory symptoms, but their pathogenesis remains obscure when sensitization to cereal flour cannot be demonstrated. storage mites, tenebroids, and cockroaches are stored-grain pests found in grain and cereal products frequently in our area, where the cereal industry is the most important industry. an epidemiological analysis of sensitization of these stored-grain pests was performed on 4379 patients ... | 1997 | 9350153 |
| sensitization to dermatophagoides siboney, blomia tropicalis, and other domestic mites in asthmatic patients. | mite species adapted to warm, humid climates are commonly found in house dust in the tropics. in cuba, dermatophagoides pteronyssinus, d. siboney, and blomia tropicalis are the most common and abundant mite species in house dust. to investigate the pattern of sensitization of cuban asthmatic patients to common mite species, we skin-prick-tested (spt) 148 patients with a clinical history of asthma and possible mite allergy, and determined specific ige antibodies against mite allergens (d. pterony ... | 1996 | 8863927 |
| crossreactivity between dermatophagoides siboney and other house dust mite allergens in sensitized asthmatic patients. | the role of pyroglyphid mites in ige-mediated sensitization has been well established. although mites belonging to the genus dermatophagoides dominate in the acarofauna of domestic dust, non-pyroglyphid mites might also be of clinical importance. in cuba, dermatophagoides siboney is found in dust coexisting with d. pteronyssinus and blomia tropicalis. dermatophagoides farinae is not found. storage mites, such as acarus siro, lepidoglyphus destructor and tyrophagus putrescentiae, might also be pr ... | 1995 | 8556563 |
| inhaled aeroallergen and storage mite reactivity in a wisconsin farmer nested case-control study. | a nested case-control study was undertaken to assess the role of antibody (ab) to a panel of antigens associated with hypersensitivity pneumonitis in the development of lung disease among wisconsin dairy farmers. immunologic reactivity to a panel of inhaled allergens was assessed in the ab+ cases and compared to the ab+ control, ab- control, and ab- blue-collar control subjects by skin tests, rast assays, and a modified american thoracic society questionnaire. the most prevalent allergens among ... | 1993 | 8430958 |
| sensitivity patterns to house dust mites and forage mites in atopic dogs: 150 cases. | this study investigated intradermal test reactions to extracts of six species of mites in 150 dogs with atopic dermatitis. at least one positive reaction was seen in 120 animals (80%). dermatophagoides farinae attracted the highest number of positive reactions (108 dogs, 90% of dogs and 72% of atopic dogs showing positive reactions). positive reactions to other mites were not uncommon, with many dogs testing positive for dermatophagoides pteronyssinus (32% of dogs tested), acarus siro (35%), tyr ... | 2002 | 11896969 |
| study of the sensitization to storage mites in a pediatric population in barcelona. | we performed the following study in order to determine the prevalence and characteristics of sensitization to storage mites in children mostly from the city of barcelona. all children over 3 years of age attending our unit for the first time due to respiratory problems were given cutaneous tests using the prick test for the house dust mites dermatophagoides pteronyssinus and d. farinae, and the storage mites acarus siro, lepidoglyphus destructor and tyrophagus putrescentiae. we carried out a ras ... | 1993 | 8281346 |
| occupational allergy to mites in salty ham, chorizo and cheese. | we present three cases of occupational allergy caused by the manipulation of food: cheese, chorizo (typical spanish salami) and salty ham. a ige-mediated sensitization is demonstrated by skin tests, rast and positive challenge tests to acarus siro and blomia kulagini of the cheese rind, euroglyphus maynei of the "chorizo" and tyrophagus putrescentiae of the salty ham. | 1994 | 7976967 |
| [skin tests for different species of acari in asthmatic children from mexico city]. | house dust mites, dermatophagoides pteronyssinus (dp) and dermatophagoides farinae (df) are the predominant cause of allergic asthma in our population. to detect the presence of sensitivity to other mites besides dp and df in 100 children that live in mexico city, skin tests were performed in their arms with multi-test devices and glycerinated extracts. there were 34 female and 66 male, aged 4 to 14 years (x = 9.1y), with history of mild and moderate asthma, 2 months to 12 years of evolution. dp ... | 1995 | 7552183 |
| [prevalence of immediate allergy to respiratory allergens in fodder farmers in doubs]. | the doubs is a damp, semi-mountainous fodder farming department in which occupational respiratory diseases (including asthma) are common in farmers. we studied the prevalence of ige-mediated allergy (total ige, phadiatop and skin prick tests) in a group of 265 exclusive dairy farmers of both sexes of the department and in a control group of non exposed, administrative workers living in the same area. skin prick tests were: dermatophagoides pteronyssinus, acarus siro, cat hair, cow danders, grass ... | 1995 | 7501894 |
| effect of flour mite infestation (acarus siro l) on nutritive value of pig diets. | | 1980 | 7361400 |
| occurrence of storage mites in finnish farming environments. | qualitative and semi-quantitative microscopic analyses were performed on the mite populations in dust samples collected from the byres and hay and grain storages of 11 farms in eastern finland. storage mites were found in all farms. the mite fauna was more abundant in the byres and hay storages than in the grain storages. the most common species or genera were acarus siro, acarus farris, glycyphagus domesticus, lepidoglyphus destructor, cheyletus eruditus, tydeus spp., and tarsonemus spp. the re ... | 1982 | 7137517 |
| sensitization in a grain handler to the storage mite lepidoglyphus destructor (schrank). | allergy to one of the most common canadian storage mites. lepidoglyphus destructor, was demonstrated in a grain worker by immediate skin testing and inhalation challenge. the frequency of sensitization to this mite was found to be 12% in 100 asthmatics by skin testing. in 4% of these asthmatics sensitization to another storage mite, acarus siro, was found, all of whom were also sensitized to l. destructor and the house dust mite, dermatophagoides farinae. there was a significantly higher proport ... | 1983 | 6849517 |
| storage mite allergy is common in a farming population. | the prevalence of storage mite allergy was investigated in an epidemiological study of respiratory symptoms in farmers on gotland, an island in the baltic sea. a questionnaire concerning work-related and chronic symptoms from the airways and eyes was completed by 2578 farmers. a sample of 440 farmers subsequently underwent examination comprising skin-prick tests (animal danders, pollens, moulds and house dust mite), blood sampling for rast against four storage mites (acarus siro, lepidoglyphus d ... | 1985 | 4075515 |
| storage mites as a cause of bronchial asthma in denmark. | from october 1982 to july 1983, 133 consecutive patients complaining of allergic symptoms were prick-tested with three storage mites (acarus siro, lepidoglyphus destructor, tyrophagus putrescentiae) and two housedust mites (dermatophagoides pteronyssinus and dermatophagoides farinae). a total of 60 patients (45%) had a positive prick-test for one or more of the storage mites. a mutual positive correlation was found between the prick-test results for the two house-dust mites as well as for the th ... | 1985 | 4003230 |
| allergy to storage mites or cow dander as a cause of rhinitis among finnish dairy farmers. | the role of storage mites acarus siro, lepidoglyphus destructor, and tyrophagus putrescentiae, compared with that of cow dander, as a cause of allergic rhinitis was studied by nasal challenges in a population of 106 non-smoking dairy farmers. thirty-six of the subjects were challenged with storage mites alone, each with only one of the three species in consecutive order, 43 with cow dander alone, and 27 with both. thus mite challenges were performed on 63 farmers and cow dander challenges on 70. ... | 1985 | 3977027 |
| immediate type hypersensitivity in dogs induced by storage mites. | results of intradermal skin tests on 53 dogs, employing storage mite extracts as antigen, indicated that storage mite allergy is fairly common. only four of 29 dogs exhibiting no allergic symptoms showed skin reactions to the most common storage mite, acarus siro, whereas 18 out of 24 dogs with symptoms assumed to be associated with allergy showed such reactions. the passive cutaneous transfer test revealed that an immediate type hypersensitivity reaction was involved. | 1986 | 3704318 |
| sensitization to storage mites and other work-related and common allergens among finnish dairy farmers. | skin-tests with the prick technique were made on 121 dairy farmers with allergic rhinitis and/or asthma (symptomatic subjects), 64 dairy farmers without respiratory symptoms (asymptomatic subjects), and 26 non-farming controls. the antigen panel consisted of the storage mites acarus siro, lepidoglyphus destructor, and tyrophagus putrescentiae, as well as other work-related allergens (cereal grains, animal epithelia, fungi and yeasts), and common allergens (house dust mite, pollens). mean areas o ... | 1987 | 3478215 |
| mite fauna of german farms. | storage mites are important sources of airborne allergens, especially on farms. a mite survey was conducted in the working environments of 121 farms in five regions of germany. of 859 samples, 743 (86.4%) contained mites, representing 547,857 astigmatic mites in 723 g of dust and 34,501 prostigmatic mites in 469 g of dust. dust samples from nine sites of each farm were collected and analyzed. ninety-three percent of all mites belonged to the order astigmata (storage- and house-dust-mite species) ... | 1997 | 9450144 |
| hypersensitivity to chironomid larvae. | chironomid larvae (red midge larvae) are often used by aquarists as fish food. their hemoglobins can cause ige-mediated allergic diseases in exposed and unexposed people. the aim of this study was to find out the prevalence of positive skin tests to chironomids in patients suffering from rhinitis and/or bronchial asthma in ciudad real (spain). a total of 465 patients were submitted to skin prick tests with chironomids in addition to common inhalant allergens. the patients with positive skin pric ... | 1998 | 9777536 |
| patterns of immunoglobulin e sensitization to chironomids in exposed and unexposed subjects. | we present our study of four patients with occupational type i allergy to red midge larvae (group 1) who we compared with seven individuals also sensitized to red midge larvae but who had not apparently been exposed to them (group 2). all patients showed elevated specific ige against chironomus thummi, and positive skin prick tests (spt) and provocation tests with red midge larvae. we carried out spt with dermatophagoides pteronyssinus, acarus siro, shrimp, cockroach and common mosquito (culex p ... | 1999 | 10353100 |
| biologic activity of dermatophagoides siboney and blomia tropicalis allergens in exposed and unexposed mite-allergic individuals. effect of patient selection on the biologic standardization of mite extracts. | this study aimed to investigate the influence of patient selection criteria, i.e., mite-allergic individuals exposed and not exposed to dermatophagoides siboney and blomia tropicalis, on the biologic activity of mite extracts. determination of the potency of mite extracts in vivo requires selection of patients with a clinical history of mite allergy. in scandinavia, there are some anamnestic criteria for mite allergy, whereas in the tropics, where patients are continuously exposed to high levels ... | 1999 | 10371100 |
| identification and characterisation of two allergens from the dust mite acarus siro, homologous with fatty acid-binding proteins. | dust mites are a major cause of allergic disease worldwide. the dust mite acarus siro is an inducer of occupational allergy among farmers, but sensitisation has also been found in non-farming populations. | 1999 | 10474032 |
| work-related skin symptoms and type i allergy among eastern-polish farmers growing hops and other crops. | 73 eastern-polish farmers growing hops and other crops were examined. they were questioned by a dermatologist and subsequently skin prick-tested with allergens of hops, grain dust, straw dust, hay dust, storage mites, and antigens of microorganisms typical for farm environment. results: 14 farmers (19.2%) complained of work-related skin symptoms, caused most often by hops (11%), followed by grain (5.6%), hay (5.5%) and straw (4.1%). five farmers (6.8%) complained of hand dermatitis, four (5.5%) ... | 2001 | 11426925 |
| the occurrence of mites in cereal-based foods destined for human consumption and possible consequences of infestation. | seven categories of cereal-based food products purchased at food retail outlets in uk were examined for the presence of mites by analysing 20 g samples using a flotation method. mites were found in 21% of 571 samples, which were examined soon after purchase, and in 38% of 421 samples, derived from the 571 samples which were examined after 6 weeks of storage in volunteers' homes. most of the samples where mites were detected had fewer than five mites. however, a few samples contained more than 20 ... | 2001 | 11523916 |
| atopy, allergic diseases and work-related symptoms among students of agricultural schools: first results of the lublin study. | 136 eastern-polish farming students (51 females and 85 males, aged 16-23 years) underwent clinical examination, skin prick tests with common and farm-specific allergens, total ige measurement and phadiatop test. atopy was found in 35.3% (95% ci: 27.3-43.3%) of students. for allergic skin diseases, the point prevalence was 5.9%, the lifetime prevalence 28.7%; for allergic rhinitis 12.7% and 16.4%; for asthma 2.2% and 8.8% respectively. 56 students (41.2%) complained of work-related symptoms; most ... | 2001 | 11748886 |
| serum immunoglobulin e against storage mite allergens in dogs with atopic dermatitis. | to determine the prevalence of serum ige against the storage mites acarus siro, blomia tropicalis, and tyrophagus putrescentiae in a population of dogs with atopic dermatitis. | 2003 | 12518875 |
| in vivo and in vitro sensitization to domestic mites in german urban and rural allergic patients. | sensitization to domestic mites is common in germany. the main objectives of this study were (1) to establish the rate of skin test sensitivity to dermatophagoides pteronyssinus, acarus siro, lepidoglyphus destructor, and tyrophagus putrescentiae in 512 consecutive patients evaluated for upper and/or lower respiratory complaints; (2) to verify how many of the patients with a positive skin test to at least one of the three storage mites were also skin test positive to d. pteronyssinus; and (3) to ... | 2002 | 12530116 |
| studies on house dust mites in great cairo, egypt. | nowadays, house dust mites have showed themselves as one of the health problem worldwide. they have to be considered in the differential diagnosis of allergy particularly in children. house dust mites were collected from eight different areas in great cairo. nine species of mites were recovered from indoors. in order of abundance, they were dermatophagoides pteronyssinus, d. farinae, tyrophagous putrescentiae, acarus siro, cheyletus malaccensis, blomia kulagini, acheles graciles, ornithonyssus b ... | 1999 | 12561892 |
| acaroid mite, intestinal and urinary acariasis. | to investigate epidemiology and pathogenic mite species of intestinal and urinary acariasis in individuals with different occupations. | 2003 | 12679953 |
| sensitization to different mite species in german farmers: in vitro analyses. | allergic airway diseases are often caused by house dust mites (hdm) and storage mites (sm), respectively, and we were recently able to demonstrate that symptomatic german farmers are frequently sensitized to different mite species. the present study aimed to obtain information on the protein and immunobiochemical characteristics of the extracts of the following mites: dermatophagoides pteronyssinus, dermatophagoides farinae, acarus siro, acarus farris, lepidoglyphus destructor, tyrophagus putres ... | 2003 | 12861848 |
| [studies on the mites(order acarina) in korea: i. suborder sarcoptiformes] | acarid mites were isolated from samples collected in seoul during the period of october 1975 to august 1978. samples consisted of stored foods such as rice, flour, sugar, dried fishes, dusts of houses and freight offices. the identified mites were classified into 12 species belonging to 12 genera, 5 families as following lists, of which 4 species (*) are newly recorded in korea. family acaridae ewing and nesbitt, 1942 1. tyrophagus putrescentiae (schrank, 1781) 2. acarus siro linnaeus, 1758 *3. ... | 1980 | 12902723 |
| the clinical effect of environmental control of house dust mites in 60 house dust mite-sensitive dogs. | the purpose of this study was to evaluate the effects of benzyl benzoate, an acaricide for the control of house dust mites, in 60 house dust mite-sensitive dogs. all dogs showed positive reactions on intradermal skin testing for house dust mites (dermatophagoides farinae, dermatophagoides pteronyssinus) alone, or house dust mites with storage mites (acarus siro, tyrophagus putrescentiae, glycophagus domesticus). house dust samples from the owners' houses were collected and sent to the clinic, wh ... | 2004 | 14989703 |
| identification of cheese mite species inoculated on mimolette and milbenkase cheese through cryogenic scanning electron microscopy. | samples of mimolette (france) and milbenkase (germany) cheeses traditionally ripened by mites were analyzed to determine the mite species present on each sample. scientific literature was reviewed to understand which mite species most commonly infest cheese. morphological features possessed by mites were then studied to understand what unique characteristics are required to ensure accurate identification. after identification and compilation of a detailed key of stored food mites (subclass acari ... | 2010 | 20655414 |
| sequence tag catalogs of dust mite-expressed genomes: utility in allergen and acarologic studies. | dust mites are a major source of indoor allergens. they contain a large number of components that react with immunoglobulin (ig) e in individuals with allergies and are capable of inducing sensitization, and allergic respiratory and cutaneous diseases. with a significant proportion of the population affected in some way by mite allergies, it is essential that we improve our understanding of these organisms so that control strategies could be defined and its allergens better understood. thus, we ... | 2004 | 15651897 |
| mites and fungi in heavily infested stores in the czech republic. | toxigenic and allergen-producing fungi represent a serious hazard to human food and animal feed safety. ninety-four fungal species were isolated from mite-infested samples of seeds taken from czech seed stores. fungi were isolated from the surface of four kinds of seeds (wheat, poppy, lettuce, and mustard) and from the gut and external surface of five species of mites (i.e., acarus siro l., 1758, caloglyphus rhizoglyphoides (zachvatkin, 1973), lepidoglyphus destructor (schrank, 1781), tyrophagus ... | 2004 | 15666776 |
| prevalence of serum ige to storage mites in a southwestern ohio population. | storage mites of the families chortoglyphidae, glycyphagidae, echimyopodidae, and acaridae are commonly found in agricultural and nonagricultural environments. the prevalence of sensitization to these storage mites in the general population in the united states is unknown. | 2006 | 16498860 |
| sensitization and exposure to house dust and storage mites in high-altitude areas of ecuador. | few studies have addressed exposure and sensitization to mite allergens in andean countries. | 2006 | 17069110 |
| [house dust mite in kutahya, turkey.] | the aim of this study was to determine the prevalence and species of house dust mites (hdm) in kutahya (turkey). the prevalence of house dust mites (hdm) was found to be 18.05%. the following species were identified: tyrophagus putrescentiae, (43.96%), dermatophagoides pteronyssinus (31.03%), acarus siro (13.79%), lepidoglyphus destructor (1.72%), glycphagus domesticus (2.58%) and cheyletus spp. (1.72%). hdm were found from april to october and a high rate, from april to june. a very high rate o ... | 2005 | 17160837 |
| enzymatic activity in extracts of allergy-causing astigmatid mites. | many of the previously characterized allergens of house dust mites are known to be proteases, and this enzymatic activity is thought to contribute to their allergenicity. other astigmatid mites, including stored-product mites and the ectoparasitic itch mite, sarcoptes scabiei de geer, are also known to be allergenic, but little or nothing is known about their enzymatic activities. the purpose of this study was to characterize the enzymatic activities present in extracts of the parasitic itch mit ... | 2006 | 17162954 |
| risk factors for sensitization to anisakis simplex: a multivariate statistical evaluation. | anisakis simplex is a nematode belonging to the anisakidae family. the ingestion of third stage larvae in uncooked or undercooked seafood may cause human diseases known as anisakiasis and anisakidosis. a total of 400 (159 atopic and 241 non-atopic) subjects living in an area of southern italy (bari district) were consecutively evaluated to identify the association of some factors (sex, age, atopy, consumption of uncooked seafood and sensitization to dust mites) with the risk of anisakis simplex ... | 2006 | 17166406 |
| a comparative survey of the hydrolytic enzymes of ectoparasitic and free-living mites. | extracts of ectoparasitic mites of birds (dermanyssus gallinae), sheep (psoroptes ovis) and plants (tetranychus urticae) and of free-living mites (acarus siro) contained acid and alkaline phosphatase, c4 and c8 esterases, lipase, leucine and valine aminopeptidases and a range of glycosidase activities. dermanyssus gallinae and p. ovis, species highly adapted to an animal parasitic lifestyle, had very similar profiles and contained low activities of glycosidases. in contrast, the polyphagous spec ... | 2000 | 10675740 |
| validation of elisas for the detection of antibodies to sarcoptes scabiei in pigs. | an enzyme-linked immunosorbent assay (elisa) was developed for the detection of antibodies to sarcoptes scabiei. this 'animal health service'-elisa (ahs-elisa) was compared with a commercial test (checkit(r) sarcoptest) using experimental and field sera. the experimental study was a contact infestation experiment. eighty piglets were randomly divided between the experimental and control group. after introduction of three sarcoptes scabiei var. suis infested pigs in the experimental group, both g ... | 2000 | 10729649 |
| sensitization to different mite species in german farmers: clinical aspects. | various mite species referred to collectively as house dust and storage mites are recognized worldwide as a cause of allergic airway disease. our study aimed to investigate the frequency of sensitization and potential importance of mite species in farmers using a broad mite spectrum. a total of 86 german farmers with rhinitis and/or asthma were studied by skin prick testing and/or enzyme allergosorbent test (east) with the following mites: blomia tjibodas, blomia tropicalis, blomia kulagini, gly ... | 2000 | 11206935 |
| allergenic cross-reactivity between the nematode anisakis simplex and the dust mites acarus siro, lepidoglyphus destructor, tyrophagus putrescentiae, and dermatophagoides pteronyssinus. | the nematode anisakis simplex is a common parasite on fish and other seafood. it is considered to be a food allergen and to induce ige-mediated reactions. allergenic cross-reactivity between a. simplex and other nematodes has been reported, as has cross-reactivity with arthropods: red mosquito larvae and german cockroach. we have here studied the allergenic relationship between a. simplex and four different dust-mite species. | 2001 | 11421925 |
| comparison between an intradermal skin test and allergen-specific ige-elisa for canine atopic dermatitis. | the aim of this study was to compare the results of an intradermal skin test (idst) with those of an allergen-specific ige-elisa in 210 dogs with atopic dermatitis. all the dogs had a clinical diagnosis of atopic dermatitis and underwent an idst. the sera of all dogs were analysed for allergen-specific ige by elisa using the monoclonal antibody d9 against dog ige. idst was used as the standard assay. in both methods, the following antigens provided a positive test result: dermatophagoides farina ... | 2008 | 18429502 |
| evaluation of storage mite contamination of commercial dry dog food. | storage mites may be considered important allergens in dogs with atopic dermatitis. high sensitization rates to tyrophagus, acarus, and lepidoglyphus species have been reported in atopic dogs, and dry pet food has been suggested as a potential source of storage mite exposure. the aim of the present study was to evaluate commercial dry dog food for contamination with storage mites, and how storage time and conditions could influence the risk of contamination. ten different premium commercial dry ... | 2008 | 18494758 |
| determination of threshold concentrations of multiple allergenic extracts for equine intradermal testing using normal horses in three seasons. | forty-one normal horses were evaluated for reactivity to intradermally injected aqueous allergens to determine allergen threshold concentrations (tc), with potential relevance to equine intradermal testing (idt). horses were tested three times over 1 year to assess seasonal variation in reactivity, using three to five serial dilutions of 27 allergens each time. injection sites were evaluated after 15 min, 1 h, 4 h and 24 h. the highest allergen concentration at which < 10% of horses demonstrated ... | 2008 | 18803619 |
| comparative mites and cockroaches sensitization study in three cities of mexico. | in mexico there are few research papers dealing with mites and cockroaches sensibilizing in patients suffering from respiratory allergies and even less susceptibility comparative studies to the same between cities having different climatic and geographic characteristics. | 2008 | 19157220 |
| morphological diagnosis of the eggs of stored-products mites. | eggs of 13 species of common, economically important stored-product pest mites (acarus siro, a. gracilis, tyrophagus putrescentiae, t. brevicrinatus, tyroborus lini, aleuroglyphus ovatus, caloglyphus redikorzevi, c. oudemansi, lepidoglyphus destructor, glycyphagus domesticus, aeroglyphus robustus, chortoglyphus arcuatus and carpoglyphus lactis) from four families (acaridae, glycyphagidae, chortoglyphidae, carpoglyphidae) were studied in order to build a diagnostic key. the morphological study de ... | 2009 | 19252823 |
| bacillus thuringiensis var. tenebrionis control of synanthropic mites (acari: acaridida) under laboratory conditions. | bacillus thuringiensis (bt) toxins present a potential for control of pest mites. information concerning the effect of bt and its possible application to the biocontrol of synathropic mites is rare. the toxic effect of bacillus thuringiensis var. tenebrionis producing cry3a toxin was tested on the mites acarus siro l., tyrophagus putrescentiae (schrank), dermatophagoides farinae hughes, and lepidoglyphus destructor (schrank) via feeding tests. fifty mites were reared on bt additive diets in conc ... | 2009 | 19381844 |
| sensitization of children to storage mites in kutahya, turkey. | specific ige against acarus siro, glycphagus domesticus, tyrophagus putrescentiae, and lepidoglyphus destructor have been investigated by elisa in sera of 92 children. of them, 41 were found to be specific ige positive (> or = 0.35 iu/ml) against at least one of house dust mite species, dermatophagoides pteronyssinus and dermatophagoides farinae, by an immunoblot. in 65.9% of the dust mite-sensitized children, specific ige against at least one of these mite species was found. sensitization level ... | 2009 | 19967087 |
| the effect of chitin metabolic effectors on the population increase of stored product mites. | the study tested the effect of the chitin metabolic effectors, teflubenzuron, diflubenzuron, and calcofluor, and a combination of a chitinase and soybean trypsin inhibitor (sti) on the population growth of eight species of stored product mites under laboratory conditions. the compounds were incorporated into the diets of the mites in concentrations ranging from 0.01 to 50 mg g(-1). the final populations of mites were observed after 21 days of growth in controlled conditions. diflubenzuron and ca ... | 2010 | 20229097 |
| sensitization to dermatophagoides, blomia tropicalis, and other mites in atopic patients. | house dust mites (hdms) are important causes of persistent allergic diseases, such as asthma and rhinitis. various types of mites are found in the house dust of many countries, including israel. | 2010 | 20846087 |
| comparative analyses of proteolytic activities in seven species of synanthropic acaridid mites. | microplate assays with 96 wells were optimized to screen proteolytic activities in mite homogenates. whole-mite extracts of acarus siro, aleuroglyphus ovatus, tyrophagus putrescentiae, tyroborus lini, carpoglyphus lactis, lepidoglyphus destructor, and dermatophagoides farinae exhibited non-specific proteolytic activity in buffers from ph 2 to 12, and three peaks of highest activity at ph 3, 5-6, and 10 were distinguished. the reducing agent tris(2-carboxyethyl)phosphine hydrochloride decreased g ... | 2010 | 20936642 |
| temperature preference and respiration of acaridid mites. | the thermal preferences in a grain mass and respiration at various temperatures in mites (acari: acarididae) of medical and economical importance [acarus siro (l. 1758), dermatophagoides farinae hughes 1961, lepidoglyphus destructor (schrank 1871), and tyrophagus putrescentiae (schrank 1781)] were studied under laboratory conditions. based on the distribution of mites in wheat, triticum aestivum l., grain along a thermal gradient from 10 to 40 degrees c, l. destructor, d. farinae, and a. siro we ... | 2010 | 21309251 |
| passive airborne dust sampling to assess mite antigen exposure in farming environments. | the aim of this study was to estimate mite antigen exposure in farming environments by passive sampling of airborne dust. antigen concentrations were measured with enzyme immunoassays specific for three storage mites (sm): acarus siro, lepidoglyphus destructor, tyrophagus putrescentiae and the house dust mite (hdm) dermatophagoides pteronyssinus. dust samples were collected with electrostatic dust fall collectors (edcs) in three different areas of cattle farms. edcs were placed in cow stables (w ... | 2011 | 21842065 |
| Detection and Identification of Species-Specific Bacteria Associated with Synanthropic Mites. | Internal bacterial communities of synanthropic mites Acarus siro, Dermatophagoides farinae, Lepidoglyphus destructor, and Tyrophagus putrescentiae (Acari: Astigmata) were analyzed by culturing and culture-independent approaches from specimens obtained from laboratory colonies. Homogenates of surface-sterilized mites were used for cultivation on non-selective agar and DNA extraction. Isolated bacteria were identified by sequencing of the 16S rRNA gene. PCR amplified 16S rRNA genes were analyzed b ... | 2011 | 22057398 |
| comparison of skin test results obtained with different dust, dermatophagoides; acarus siro and spider extracts. | the authors describe the comparative analysis of skin tests performed in 87 asthmatic children with extracts of house dust, grain dust and different arthropodes beloging to the arachidaegenus. most of these patients were living in traditional agricultural environment. reactions to the acarus siro and grain dust (sevac) extracts gave significant correlation, whereas house dust did not show this agreement. extracts from spiders (aranidae) caused often, in 40% of asthmatic children, positive skin r ... | 2002 | 1084101 |
| [house dust mites in the etiology of allergic diseases]. | one of the more important etiological factors of allergies are mites occuring in the closest vicinity of humans, i.e. in the house dust and in the stored foodstuffs. the most important are the species representing the families: pyroglyphidae (mainly dermatophagoides pteronyssinus, d. farinae, and euroglyphus maynei), glycyphagidae (e.g. lepidoglyphus destructor, blomia sp.), and acaridae (e.g. tyrophagus putrescentiae, acarus siro). mites shed an abundance of allergenic proteins. particularly ab ... | 2006 | 17633128 |
| house dust and storage mite extracts influence skin keratinocyte and fibroblast function. | the bodies of allergy-causing dust and storage mites likely contain many bioreactive molecules, including some that are allergenic. these molecules may penetrate the epidermis and dermis of the skin. however, little is known about the effects that most of the molecules from mites have on the function of cells in the skin, the overall inflammatory and immune reactions and the manifestation of allergic disease. the purpose of this research was to determine the response of cultured skin cells (kera ... | 2008 | 17703098 |
| assessment of cross-reactivity among five species of house dust and storage mites. | in vitro cross-reactivity among two house dust (dermatophagoides farinae, d. pteronyssinus) and three storage (acarus siro, tyrophagus putrescentiae, lepidoglyphus destructor) mites was examined in 20 mite-sensitive dogs with natural occurring atopic dermatitis (group a), 13 high-ige beagles experimentally sensitized to d. farinae (group b), and five healthy beagles (group c). intradermal testing (idt) and serology for allergen-specific ige demonstrated that co-sensitization for all possible pai ... | 2008 | 18336423 |
| seasonal population of acarus siro mites and effects of their faeces on allergenic immunological disorder modulated by garlic in albino rat. | background: mites are the main factor involved in respiratory disorder. acarus siro is the most allergenic species of mite detected in the samples collected from flour mills. objective: this work aimed to ameliorate the a. siro faeces allergenic disorder by garlic extract. methods: albino experimental rats were classified into three groups (native, inhaled and treated). mites extract, elisa and leukocytes differential counts techniques were used. results: the data obtained showed that the highes ... | 2011 | 21752526 |
| [investigation of acaroid mites breeding in stored dry fruits]. | to study the species and density of acaroid mites breeding in stored dry fruits. | 2015 | 27097487 |
| the importance of starch and sucrose digestion in nutritive biology of synanthropic acaridid mites: alpha-amylases and alpha-glucosidases are suitable targets for inhibitor-based strategies of mite control. | the adaptation of nine species of mites that infest stored products for starch utilization was tested by (1) enzymatic analysis using feces and whole mite extracts, (2) biotests, and (3) inhibition experiments. acarus siro, aleuroglyphus ovatus, and tyroborus lini were associated with the starch-type substrates and maltose, with higher enzymatic activities observed in whole mite extracts. lepidoglyphus destructor was associated with the same substrates but had higher activities in feces. dermato ... | 2009 | 19480003 |
| assessment of monitoring methods for early detection of three species of storage mite in bulk oilseed rape. | two types of trap, the bt trap and pc(tm) pitfall cone trap, were evaluated against the most widely used method of sampling and sieving for their ability to detect low numbers of storage mites (acarus siro, tyrophagus longior and lepidoglyphus destructor) in bulk oilseed rape, under uk maritime conditions. in addition, a synthetic lure (2-nonanone) was incorporated into the two types of trap to assess whether its presence improved trapping performance. the bt traps and pc traps were significantl ... | 2005 | 16180079 |
| [storage mite sensitivity and related factors in asthmatic patients]. | the aim of the study was to investigate the storage mite sensitivity and related factors in patients with asthma or asthma and rhinitis. | 2015 | 26963305 |
| indoor allergen levels and household distributions in nine cities across china. | chinese allergic subjects have high levels of sensitization to house dust mite (hdm) and other indoor allergens. this study quantifies common indoor allergen levels in chinese households. | 2015 | 26582093 |
| molecular and biochemical properties of storage mites (except blomia species). | in recent years, the allergological importance of different mite species not belonging to the family pyroglyphidae has been demonstrated. these mites, commonly named storage mites, include lepidoglyphus destructor, glycyphagus domesticus, tyrophagus putrescentiae, acarus siro, aleuroglyphus ovatus, suidasia medanensis and thyreophagus entomophagus. several allergens from these species have been purified, sequenced and cloned. many of these allergens have shown sequence homology and a biological ... | 2007 | 18220992 |
| suppressive potential of bean (phaseolus vulgaris) flour against five species of stored-product mites (acari: acarididae). | previous research has demonstrated that legume proteins have insecticidal activity against stored-product pests, but activity against stored-product mites has not been tested. a study was therefore conducted to explore the potential of bean, phaseolus vulgaris l., flour as novel botanical acaricide against five species of storage and dust mites: acarus siro l., aleuroglyphus ovatus (troupeau), caloglyphus redickorzevi (zachvatkin), lepidoglyphus destructor (schrank), and tyrophagus putrescentiae ... | 2007 | 17461087 |
| mite species identification in the production of allergenic extracts for clinical use and in environmental samples by ribosomal dna amplification. | the identification of allergy-causing mites is conventionally based on morphological characters. however, molecular taxonomy using ribosomal dna (rdna) may be particularly useful in the analysis of mite cultures and purified mite fractions in the production of allergenic extracts. full-length internal transcribed spacers (its1 and its2) were obtained from dermatophagoides farinae, dermatophagoides pteronyssinus, dermatophagoides microceras and euroglyphus maynei (astigmata: pyroglyphidae), glycy ... | 2014 | 24617319 |
| comparison of communities of stored product mites in grain mass and grain residues in the czech republic. | in storage facilities one can find grain either in stored grain mass or in grain residues in the store corners or machinery. although it is claimed that grain residues are serious pest reservoirs since they harbor numbers of stored product arthropods and are connected via continuous emigration with grain mass, the documentation for this is not convincing. therefore in 78 selected grain stores, we simultaneously sampled the grain mass and residues in order to compare concurrent mite communities i ... | 2006 | 16715204 |
| pirimiphos-methyl resistance in two stored product mites, acarus siro and acarus farris, as detected by impregnated paper bioassay and esterase activity assays. | the response to pirimiphos-methyl, in one strain of acarus farris and two strains of acarus siro, was assessed using an impregnated filter paper bioassay and by the selection of adults following exposure to pirimiphos-methyl. it was concluded that one of the strains of a. siro was resistant to pirimiphos-methyl and that a major resistance mechanism was involved. the second strain of a. siro gave a response similar to that of a laboratory strain unexposed to organophosphates and was considered to ... | 2000 | 10823356 |
| allergological characterisation of the storage mite acarus gracilis (acari: acaridae). | storage mites of the genus acarus can be responsible for allergic sensitisation in domestic environments. acarus gracilis is a frequent species in some geographical regions of the iberian peninsula. since the allergenicity of this mite has not been described before, the objectives of this study were to characterise it immunologically, and to compare it with the closely related and more extensively studied species acarus siro. | 2015 | 25088675 |
| mites associated with stored products in greece. | a faunistic survey of mites was conducted in many product stores during a 6-year study period, 2000-2005, in greece. a total of 1,073 samples were taken from 34 greek counties. the survey was carried out on grains (wheat, maize, oat, barley), flour, bran, manufactured agricultural foodstuffs, dried fruits (figs, raisins), residues and dust, stored in varying quantities in five types of storage facilities (stores of agricultural cooperative unions, farm stores, commercial stores, flour mills and ... | 2008 | 18379887 |
| the effect of antibiotics on associated bacterial community of stored product mites. | bacteria are associated with the gut, fat bodies and reproductive organs of stored product mites (acari: astigmata). the mites are pests due to the production of allergens. addition of antibiotics to diets can help to characterize the association between mites and bacteria. | 2014 | 25387104 |
| mite hypersensitivity in patients with rhinitis and rhinosinusitis living in a tropical environment. | rhinitis and rhinosinusitis are major concerns in public health. mites are important aetiological agents in the tropics. the present study investigated the in vivo response to mite allergens in patients with rhinitis and rhinosinusitis. | 2014 | 23253681 |
| the effect of stored barley cultivars, temperature and humidity on population increase of acarus siro, lepidoglyphus destructor and tyrophagus putrescentiae. | the rate of population increase of three mite species, acarus siro (l.), lepidoglyphus destructor (schrank) and tyrophagus putrescentiae (schrank), was studied on various types of barley and at various combinations of temperature and humidity. the mites were added into the chambers and incubated for 21 days on seven different kinds of barley coming from four sites, including six cultivars and a mixture. the population increase of all species was higher on the mixture than on any other cultivar, ... | 2013 | 23192331 |
| two loci on chromosome 5 are associated with serum ige levels in labrador retrievers. | crosslinking of immunoglobulin e antibodies (ige) bound at the surface of mast cells and subsequent mediator release is considered the most important trigger for allergic reactions. therefore, the genetic control of ige levels is studied in the context of allergic diseases, such as asthma, atopic rhinitis, or atopic dermatitis (ad). we performed genome-wide association studies in 161 labrador retrievers with regard to total and allergen-specific immunoglobulin e (ige) levels. we identified a gen ... | 2012 | 22720065 |
| occupational hypersensitivity pneumonitis in a baker: a new cause. | bakers are exposed daily to flour and may be susceptible to immunologic occupational diseases. a 30-year-old, nonsmoking, female baker was referred for progressive dyspnea on exertion, basal crackles on auscultation, restrictive lung function, decreased diffusing capacity of the lung for carbon monoxide, ground glass hyperdensities with a mosaic pattern on high-resolution ct scan, 25% lymphocytosis by bal, and cellular chronic bronchiolitis with peribronchiolar interstitial inflammation by lung ... | 2014 | 24687706 |
| indoor mite allergen levels, specific ige prevalence and ige cross-inhibition pattern among asthmatic children in haikou, southern china. | haikou locates in tropical island with unique mite propagation. the aim of this stuy is to determine mite allergens levels in haikou, and to investigate the prevalence of mite specific ige-sensitization and ige cross-reactivity between house dust mites. | 2012 | 22932181 |
| dust mite species in the households of mite-sensitive dogs with atopic dermatitis. | the presence of important house dust and storage mite species in the microenvironment of atopic dogs has not been thoroughly investigated. | 2012 | 22575020 |
| enzymatic activity and immunoreactivity of aca s 4, an alpha-amylase allergen from the storage mite acarus siro. | enzymatic allergens of storage mites that contaminate stored food products are poorly characterized. we describe biochemical and immunological properties of the native alpha-amylase allergen aca s 4 from acarus siro, a medically important storage mite. | 2012 | 22292590 |
| [sensitization to mites and occupational allergens in bakery workers of la habana, cuba]. | sensitization to allergens at the workplace is an essential factor for the development of occupational respiratory diseases. | 2013 | 24007928 |
| [house dust mites at icelandic farms]. | sensitization to dermatophagoides pteronyssinus (d. pteronyssinus) occurs in 9% of the reykjavik population, despite the fact that no der p 1 antigen has been found in the area. a recent study revealed that sensitized persons more often had a childhood history of work or holiday stay in rural areas than controls. as a follow up we studied the risk of exposure to mites in farmland dwellings. | 2008 | 18974433 |
| microbiological consequences of indoor composting. | recycling of organic waste appeals to more and more people. the aim of this study was to evaluate the microbiological contamination around organic waste bins at three distances over a 12-month period. contamination near the customary trash of control households was evaluated at the beginning to ensure that there is no recruitment bias. air samples using the mas 100 impactor were carried out in 38 dwellings that do household waste composting and in 10 dwellings of controls. collection of particle ... | 2016 | 26299932 |
| population dynamics of stored-product mites. | population fluctuation patterns were determined during 1959-70 in wheat bulks in 2 granaries typical of those used on manitoba farms for 7 kinds of mites. the patterns were bradly similar in the 2 granaries. outbreaks of all mites except tarsonemus granarius and aëroglyphus robustus were unaffected by the prolonged storage of grain; those of acarus siro and cheyletus eruditus occurred in unusually high numbers periodically every 2-5 years, whereas glycyphagus destructor and androlaelaps casalis ... | 1973 | 28308234 |
| scent of a mite: origin and chemical characterization of the lemon-like flavor of mite-ripened cheeses. | cheese infested with cheese mites is usually treated as unpalatable. nevertheless, some traditional cheese manufactories in germany and france intentionally use mites for fermentation of special varieties (i.e. milbenkäse and mimolette). while their production includes different mite species, both are characterized by a "lemon-like" flavor. however, the chemical nature and origin of this flavor-component is unknown. the cheese mites possess a pair of opisthosomal glands producing blends of hydro ... | 2016 | 27059866 |