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1.
Pesqui. vet. bras ; 38(7): 1389-1393, July 2018. tab, graf, ilus
Article in English | LILACS, VETINDEX | ID: biblio-976460

ABSTRACT

Trophoallergens are specific components of food or its ingredients, able to precipitate the atopic eczema at 19.6% to 30% of the dogs with atopic dermatitis (AD). This study evaluated the efficacy of hydrolyzed soy dog food and homemade food with unusual protein in the control of chronic pruritus in dogs with AD. For this, twenty-eight dogs with AD were selected. AD diagnosis was based on Favrot's criteria. The animals were separated in two groups; one group consumed hydrolyzed soy dog food while the other group consumed homemade food with protein sources and original carbohydrates. They were evaluated every two weeks by the Rybnicek and CADLI scale over 60 days. Animals in the group that consumed hydrolyzed soy dog food presented a reduced score of pruritus (Rybnicek scale) on days +15, +30, +45 and +60 (P<0.01) compared to day 0. While the dogs in the homemade food group have not presented a significant difference (P>0.05) in 60 days of treatment. When evaluated by the Canine Atopic Dermatitis Lesion Index (CADLI), dogs treated with soy hydrolyzed dog food had a partial improvement on days +45 (P<0.05) and +60 (P<0.01) compared to day 0, while the dogs in the second group did not show improvements (P>0.05) in 60 days of treatment. In conclusion, soy hydrolyzed dog food has proved effective to partially control clinical signs of food-induced atopic dermatitis; however, it is not effective for the complete control of the disease.(AU)


Os trofoalérgenos são componentes específicos do alimento ou de seus ingredientes, capazes de precipitar o eczema atópico em 19,6% a 30% dos cães com dermatite atópica (DA). O presente estudo teve como objetivo avaliar a eficácia da ração de soja hidrolisada e da comida caseira com proteína não usual no controle do prurido crônico em cães com DA. Para isso foram utilizados vinte e oito cães com DA. O diagnóstico de DA foi baseado nos critérios de Favrot. Os animais foram separados em dois grupos, um grupo consumindo ração hidrolisada de soja e o outro grupo comida caseira com fontes de proteína e carboidratos originais. Estes foram avaliados quinzenalmente pela escala de Rybnicek e CADLI durante 60 dias. Os animais do grupo alimentado com ração hidrolisada de soja apresentaram uma minimização no escore de prurido (escala de Rybnicek) nos dias +15, +30, +45 e +60 (P<0,01) em relação ao dia 0. Já os cães do grupo alimentado com comida caseira não apresentaram diferença significativa (P>0,05) nos 60 dias de tratamento. Quando avaliados pelo índice de CADLl os cães tratados com ração hidrolisada de soja tiveram uma melhora parcial nos dias, +45 (P<0,05) e +60 (P<0,01) em relação ao dia 0, enquanto que os cães do segundo grupo não obtiveram melhora (P>0,05) nos 60 dias de tratamento. A ração hidrolisada de soja se mostrou efetiva para controlar parcialmente os sinais clínicos da dermatite atópica induzida por alimentos, no entanto, não é eficaz para o controle total da doença.(AU)


Subject(s)
Animals , Dogs , Dermatitis/veterinary , Dogs/abnormalities , Animal Feed/analysis , Glycine max
2.
Alerg. inmunol. clin ; 32(1-2): 4-10, 2013. tab, graf
Article in Spanish | LILACS | ID: lil-719892

ABSTRACT

Respuestas mediadas por IgE juegan un papel fundamental en los pacientes alérgicos, con intolerancia alimentaria. Sin embargo, la asociación de anticuerpos IgG e IgA específicos para alimentos con la evolución clínica de los pacientes alérgicos es aún materia de controversia. En este estudio investigamos si anticuerpos IgG e IgA específicos para carne de vaca pueden coexistir con anticuerpos IgE de la misma especificidad en pacientes alérgicos y examinamos su relevancia clínica en los diferentes contextos alérgicos. Anticuerpos IgE, IgG e IgA específicos para carne de vaca se determinaron por enzimoinmunoensayo (ELISA) en una poblaciónde pacientes alérgicos (N = 125), clasificados en pacientes con asma, alergias en piel y alergias gastrointestinales, así como en sujetos control (N = 80). Se determinaron además, anticuerpos IgE específicos para frutas cítricas, tomate, leche de vaca, huevo de gallina y trigo. La carne de vaca fue el alimento más alergénico en toda la población, no sólo para la IgE (57,6%, p <0,001), sino también para los isotipos IgG e IgA (53,6% y 34,0% respectivamente, P <0,001).Anticuerpos IgE, IgG e IgA se presentaron con mayor frecuencia en el suero de las tres poblaciones : asma, alergias en piel y gastrointestinales en comparación con los sueros de sujetos controles (P<0,001). Sorprendentemente, los isotipos IgG e IgA se detectaron de manera significativa, incluso en ausencia de IgE, en las trescondiciones alérgicas. Todos los pacientes alérgicos, incluyendo aquéllos que presentaban sólo anticuerpos IgG e IgA, mejoraron sus síntomas significativamente y disminuyeron sus niveles de anticuerpos específicos para carne de vaca en respuesta a una dieta de exclusión de carne vacuna...


IgE-mediated responses play a pivotal role in allergic patients with food intolerance. However, the association of food-specific IgG and IgA antibodies with the clinical outcome of allergic patients is still a matter of controversy. In this study we investigate the possibility that beef-specific IgG and IgA antibodies may coexist with beef-specific IgE antibodies in food allergic patients and determine their clinical relevance indifferent allergic contexts. Beef-specific IgE, IgG and IgA antibodies were determined by enzymoimmunoassay (ELISA) in a population of allergic patients(n=125) divided into patients with asthma, skin disease or gastrointestinal disorders and in control subjects (n=80). IgE specificfor citric fruits, tomato, cow ́s milk, eggs hen ́s and wheat was also determined. Beef was the predominant antigenic food in the whole population, not only for IgE (57.6%; P<0.001), but also for IgG and IgA isotypes (53.6% and 34.0% respectively, P<0.001). Beef-specific IgE, IgG and IgA antibodies increased significantly in patients with asthma, gastrointestinal and skin allergic disorders compared to sera from control subjects (P<0.001). Remarkably, IgG and IgA isotypes were significantly detected, even in the absence of IgE, in the three allergic pathologies. All allergic patients, including those showing only IgG and IgA antibodies, significantly ameliorated their symptoms and diminished the levels of beef-specific antibodies in response to a cow meat exclusion diet. ..


Subject(s)
Humans , Male , Female , Asthma , Food Hypersensitivity , Gastrointestinal Diseases , Immunoglobulin A , Immunoglobulin E , Immunoglobulin G , Meat
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