Base de datos : IBECS
Búsqueda : "Allergol. immunopatol" [Revista]
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  1 / 1415 IBECS  
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Id: SMB-15169 IBECS-Express
Autor: Kang, Y; Cai, Y.
Título: Future prospect of faecal microbiota transplantation as a potential therapy in asthma
Fuente: Allergol. immunopatol;46(3):307-309, mayo-jun. 2018.
Idioma: en.
doi: 10.1016/j.aller.2017.04.008.
Resumen: There is convincing evidence from both human and animal studies suggesting that the gut microbiota plays an important role in regulating immune responses associated with the development of asthma. Certain intestinal microbial strains have been demonstrated to suppress or impair immune responsiveness in asthma experimental models, suggesting that specific species among gut commensal microbiota may play either a morbific or phylactic role in the progression of asthma. Evidence to date suggests that the intestinal microbiota represent fertile targets for prevention or management of asthma. The faecal microbiota transplantation (FMT) is a rather straightforward therapy that manipulates the human gastrointestinal (GI) microbiota, by which a healthy donor microbiota is transferred into an existing but disturbed microbial ecosystem. The FMT may therefore represent a therapeutic approach for asthma treatment in the foreseeable future. At present, FMT therapy for asthma is very limited and should be actively studied. Considerable efforts are needed to increase our knowledge in the field of FMT therapy for asthma. In this review, we aimed to provide several insights into the development of FMT therapy for asthma (AU)

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  2 / 1415 IBECS  
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Id: SMB-15168 IBECS-Express
Autor: Martínez-Girón, R.
Título: Flagellated protozoa detected in Dermatophagoides by light microscopy
Fuente: Allergol. immunopatol;46(3):304-306, mayo-jun. 2018.
Idioma: en.
doi: 10.1016/j.aller.2017.05.008.
Resumen: House dust mites (HDM) are arthropods of medical importance due to their relationship with allergic diseases. House dust provides a detrital habitat for these organisms, in which human skin scales are a primary food source. For digestion, wall gut cells elaborate potent proteases. Nevertheless, the observation of flagellated protozoa in intestinal extracts of HDM by light microscopy might contribute to digestive processes in mites, opening a new avenue of research regarding the ecological interactions between mites and these microorganisms in the utilisation of such substrates, as well as with regard to allergic diseases (AU)

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  3 / 1415 IBECS  
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Id: SMB-15167 IBECS-Express
Autor: Larenas Linnemann, DES; Del Río Navarro, BE; Luna Pech, JA; Romero Lombard, J; Villaverde Rosas, J; Cano Salas, MC; Fernández Vega, M; Ortega Martell, JA; López Estrada, EC; Mayorga Butrón, JL; Salas Hernández, J; Vázquez García, JC; Ortiz Aldana, I; Vargas Becerra, MH; Bedolla Barajas, M; Rodríguez Pérez, N; Aguilar Aranda, A; Jiménez González, CA; García Bolaños, C; Garrido Galindo, C; Mendoza Hernández, DA; Mendoza López, E; López Pérez, G; Wakida Kuzonoki, GH; Ruiz Gutiérrez, HH; León Molina, H; Martínez de la Lanza, H; Stone Aguilar, H; Gómez Vera, J; Olvera Salinas, J; Oyoqui Flores, JJ; Gálvez Romero, JL; Lozano Saenz, JS; Salgado Gama, JI; Jiménez Chobillon, MA; García Avilés, MA; Guinto Balanzar, MP; Medina Ávalos, MA; Camargo Angeles, R; García Torrentera, R; Toral Freyre, S; Montes Narvaez, G; Solorio Gómez, H; Rosas Peña, J; Romero Tapia, SJ; Reyes Herrera, A; Cuevas Schacht, F; Esquer Flores, J; Sacre Hazouri, JA; Compean Martínez, L; Medina Sánchez, PJ; Garza Salinas, S; Baez Loyola, C; Romero Alvarado, I; Miguel Reyes, JL; Huerta Espinosa, LE; Correa Flores, MÁ; Castro Martínez, R.
Título: Recommendations for the prevention and diagnosis of asthma in children: Evidence from international guidelines adapted for Mexico
Fuente: Allergol. immunopatol;46(3):291-303, mayo-jun. 2018. tab.
Idioma: en.
doi: 10.1016/j.aller.2017.05.011.
Resumen: Background: With the availability of high-quality asthma guidelines worldwide, one possible approach of developing a valid guideline, without re-working the evidence, already analysed by major guidelines, is the ADAPTE approach, as was used for the development of National Guidelines on asthma. Methods: The guidelines development group (GDG) covered a broad range of experts from medical specialities, primary care physicians and methodologists. The core group of the GDG searched the literature for asthma guidelines 2005 onward, and analysed the 11 best guidelines with AGREE-II to select three mother guidelines. Key clinical questions were formulated covering each step of the asthma management. Results: The selected mother guidelines are British Thoracic Society (BTS), GINA and GEMA 2015. Responses to the questions were formulated according to the evidence in the mother guidelines. Recommendations or suggestions were made for asthma treatment in Mexico by the core group, and adjusted during several rounds of a Delphi process, taking into account: 1. Evidence; 2. Safety; 3. Cost; 4. Patient preference - all these set against the background of the local reality. Here the detailed analysis of the evidence present in BTS/GINA/GEMA sections on prevention and diagnosis in paediatric asthma are presented for three age-groups: children with asthma ≤5 years, 6-11 years and ≥12 years. Conclusions: For the prevention and diagnosis sections, applying the AGREE-II method is useful to develop a scientifically-sustained document, adjusted to the local reality per country, as is the Mexican Guideline on Asthma (AU)

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  4 / 1415 IBECS  
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Id: SMB-15166 IBECS-Express
Autor: Kang, Y; Cai, Y; Pan, W.
Título: Change in gut microbiota for eczema: Implications for novel therapeutic strategies
Fuente: Allergol. immunopatol;46(3):281-290, mayo-jun. 2018.
Idioma: en.
doi: 1016/j.aller.2017.05.010.
Resumen: Eczema is one of the most common inflammatory diseases, often constituting a lifelong burden for afflicted individuals. The complex interaction of host genetic and multiple environmental factors contribute to its pathogenesis. A relationship between maladjustment of gut microbiota and eczema has been brought into the light of day in most previous studies. In eczema preclinical models, specific intestinal microbial species have been demonstrated to prohibit or dwindle immune responsiveness, indicating that these strains among commensal gut bacteria may exert either a morbific or phylactic function in eczema progression. As such, oral probiotics can serve as a medicinal approach for eczema therapy. Given that relative scientific work is still at the early stage, only limited data are available in the field. New sequencing techniques have been fortunately performed to gain access to an extended research on the relationship between gut bacterial flora and human diseases. In the current review, we identified the role of intestinal microbiota in the development of eczema and how specific bacterial strains adjust the immune responsiveness in the midst of disease progression. Probiotics as an applicable treatment for eczema were evaluated in other threads as well (AU)

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  5 / 1415 IBECS  
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Id: SMB-15165 IBECS-Express
Autor: Sánchez-Borges, M; González-Aveledo, L; Capriles-Hulett, A; Caballero-Fonseca, F.
Título: Scabies, crusted (Norwegian) scabies and the diagnosis of mite sensitisation
Fuente: Allergol. immunopatol;46(3):276-280, mayo-jun. 2018. ilus, graf.
Idioma: en.
doi: 10.1016/j.aller.2017.05.006.
Resumen: Scabies is observed with relatively high frequency in Allergy and Dermatology clinics in developing countries where poor sanitary conditions are prevalent and increasingly in some areas of the world with increased immigrant populations. Since the immunological response to scabies mites includes the production of IgE class antibodies to Sarcoptes scabiei allergens which cross-react with Dermatophagoides major allergens Der p 1 and Der p 2, positive immediate-type skin tests to house dust mite extracts should be interpreted cautiously. Additionally, scabies should be included routinely in the differential diagnosis of itchy rashes in patients living in those areas (AU)

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  6 / 1415 IBECS  
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Id: SMB-15164 IBECS-Express
Autor: Farrokhi, S; Shabani, M; Aryan, Z; Zoghi, S; Krolo, A; Boztug, K; Rezaei, N.
Título: MHC class II deficiency: Report of a novel mutation and special review
Fuente: Allergol. immunopatol;46(3):263-275, mayo-jun. 2018. tab, ilus.
Idioma: en.
doi: 10.1016/j.aller.2017.04.006.
Resumen: The MHC II deficiency is a rare autosomal recessive primary immunodeficiency syndrome with increased susceptibility to respiratory and gastrointestinal infections, failure to thrive and early mortality. This syndrome is caused by mutations in transcription regulators of the MHC II gene and results in development of blind lymphocytes due to the lack of indicatory MHC II molecules. Despite homogeneity of clinical manifestations of patients with MHC II deficiency, the genetic defects underlying this disease are heterogeneous. Herein, we report an Iranian patient with MHC II deficiency harbouring a novel mutation in RFXANK and novel misleading clinical features. He had ataxic gait and dysarthria from 30 months of age. Epidemiology, clinical and immunological features, therapeutic options and prognosis of patients with MHC II are reviewed in this paper (AU)

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  7 / 1415 IBECS  
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Id: SMB-15163 IBECS-Express
Autor: Antolín-Amérigo, D; Ruiz-León, B; Boni, E; Alfaya-Arias, T; Álvarez-Mon, M; Barbarroja-Escudero, J; González-de-Olano, D; Moreno-Aguilar, C; Rodríguez-Rodríguez, M; Sánchez-González, MJ; Sánchez-Morillas, L; Vega-Castro, A.
Título: Component-resolved diagnosis in hymenoptera allergy
Fuente: Allergol. immunopatol;46(3):253-262, mayo-jun. 2018. tab.
Idioma: en.
doi: 10.1016/j.aller.2017.05.003.
Resumen: Component-resolved diagnosis based on the use of well-defined, properly characterised and purified natural and recombinant allergens constitutes a new approach in the diagnosis of venom allergy. Prospective readers may benefit from an up-to-date review on the allergens. The best characterised venom is that of Apis mellifera, whose main allergens are phospholipase A2 (Api m1), hyaluronidase (Api m2) and melittin (Api m4). Additionally, in recent years, new allergens of Vespula vulgaris have been identified and include phospholipase A1 (Ves v1), hyaluronidase (Ves v2) and antigen 5 (Ves v5). Polistes species are becoming an increasing cause of allergy in Europe, although only few allergens have been identified in this venom. In this review, we evaluate the current knowledge about molecular diagnosis in hymenoptera venom allergy (AU)

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  8 / 1415 IBECS  
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Id: SMB-15162 IBECS-Express
Autor: Lee, E; Jeong, K; Lee, J; Lee, S.
Título: Pine nut allergy in Korean children: Clinical characteristics and diagnostic values of specific IgE against pine nuts
Fuente: Allergol. immunopatol;46(3):247-252, mayo-jun. 2018. tab, graf.
Idioma: en.
doi: 10.1016/j.aller.2017.09.027.
Resumen: Background: Hypersensitivity reactions to pine nuts in children have been occasionally encountered recently, although reports on pine nut allergy cases are rare worldwide. The study aimed to feature clinical and laboratory findings pertaining to pine nut allergy in Korean children. Methods: Forty-two subjects were enrolled through a retrospective review of medical records, from September 2010 to December 2015, at the Department of Pediatrics in Ajou University Hospital. The demographic profiles, clinical characteristics, and laboratory findings were evaluated. Results: Twenty-four patients showed immediate-type reactions after exposure to pine nuts (the allergic group), while the remaining 18 were atopic controls, who exhibited no allergic symptoms (the tolerant group). The median age of the subjects in the allergic group was three years. More than half of the subjects in this group experienced allergic symptoms within 5min, and seven of them experienced anaphylaxis. The median level of pine nut-specific immunoglobulin E (sIgE) in the allergic group (1.62kUA/L) was significantly higher (p = 0.014) than that in the tolerant group (0.11kUA/L), with an optimal cut-off level of 0.40kUA/L (sensitivity, 66.7% and specificity, 77.8%). The positive decision point of pine nut-sIgE (specificity, 100%) to distinguish the allergic and tolerant groups was 2.84kUA/L. However, there was no difference in pine nut-sIgE levels between the anaphylaxis and non-anaphylaxis cases. Conclusion: About 30% of children with pine nut allergy experienced anaphylaxis. The optimal cut-off level of pine nut-sIgE to distinguish the allergic and tolerant groups was 0.40kUA/L and the positive decision point was 2.84kUA/L (AU)

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  9 / 1415 IBECS  
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Id: SMB-15161 IBECS-Express
Autor: Gonzaga, TA; Alves, FA; Cheik, MFA; Barros, CP de; Rezende, ERMA; Segundo, ERMA.
Título: Low efficacy of atopy patch test in predicting tolerance development in non-IgE-mediated cow's milk allergy
Fuente: Allergol. immunopatol;46(3):241-246, mayo-jun. 2018. graf, tab.
Idioma: en.
doi: 10.1016/j.aller.2017.07.001.
Resumen: Background: The food atopy patch (APT) test has been used in previous studies to help the diagnosis of non-IgE mediated food allergies (FA). The aim of this study was to evaluate the efficacy of different cow's milk APT preparations to predict oral tolerance in children with previous non-IgE-mediated cow's milk allergy (CMA) diagnosis. Methods: Thirty-two patients non-IgE-mediated CMA diagnosed by oral food challenge (OFC) were enrolled to perform APT with three different cow's milk preparations (fresh, 2% in saline solution, 2% in petrolatum) and comparing with a new OFC after at least three months of diet exclusion. Results: Only six (18.7%) subjects presented positive OFC to cow's milk. No differences in gender, onset symptoms age, OFC age, Z-score, and exclusion period were found between positive and negative OFC patients. Preparations using fresh milk and powdered milk in petrolatum presented sensitivity equal to zero and specificity 92.3% and 96.1%. The preparation using powdered milk in saline solution showed sensitivity and specificity of 33.3% and 96.1%. Two patients presented typical IgE symptoms after OFC. Conclusion: Cow's milk APT presented a low efficacy to predict tolerance in patients with previous non-IgE-mediated CMA and should not be used in clinical routine. The presence of typical IgE reactions after OFC hallmark the necessity of previous IgE-mediated investigation for this patient group (AU)

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  10 / 1415 IBECS  
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Id: SMB-15160 IBECS-Express
Autor: Castro-Rodriguez, JA; Atton, I; Villarroel, G; Serrano, CA.
Título: Serum periostin is not related to asthma predictive index
Fuente: Allergol. immunopatol;46(3):235-240, mayo-jun. 2018. tab, graf.
Idioma: en.
doi: 10.1016/j.aller.2017.05.012.
Resumen: Background: In contrast to adult asthmatic patients, studies on the role of serum periostin levels in schoolchildren with asthma are still conflictive, and very few studies have been performed in pre-schoolers. The aim of this study was to compare serum periostin levels in recurrent wheezer pre-schoolers according to their asthma predictive index (API) condition. Methods: We performed a case-control study enrolling pre-schoolers with recurrent wheezing episodes (>3 episodes confirmed by physician) presented at one paediatric clinic in Santiago, Chile. The population was divided according to stringent API criteria into positive or negative. Results: In a one-year period, 60 pre-schoolers were enrolled. After excluding 12 (due to not fulfilment of inclusion criteria or refusal of blood sample extraction), 48 remaining pre-schoolers (27 males, age range from 24 to 71 months) completed the study; 34 were API positive and 14 were API negative. There were no significant differences in demographics between groups. The level of serum periostin levels for pre-schoolers with positive API and negative API were (median 46.7 [25.5û83.1] and 67.5 [20.5-131.8], p = 0.9, respectively). The area under the curve for the serum periostin levels for predict positive API was 0.5, 95% CI [0.29-0.70], p = 0.9. No significant correlation between serum periostin levels and peripheral blood eosinophils was found. Conclusion: Serum periostin levels were no significantly different between wheezer pre-schoolers with positive and negative API. More studies are needed to confirm this finding (AU)

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