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Lupinek, C., Wollmann, E., Baar, A., Banerjee, S., Breiteneder, H., Bublin, M., Curin, M., Flicker, S., Garmatiuk, T., Hochwallner, H., Mittermann, I., Pahr, S., Resch, Y., Roux, K. H., Srinivasan, B., Vrtala, S., Willison, L. N., Wickman, M., Lodrup-Carlsen, K., Anto, J. M., Bousquet, J., Bachert, C., Ebner, D., Schlederer, T., Harwanegg, C., Valenta, R

Advances in allergen-microarray technology for diagnosis and monitoring of allergy: The MeDALL allergen-chip

Methods, 2014, 66, 1, 106, 19, IF: 3.641, PMID: 24161540

Allergy diagnosis based on purified allergen molecules provides detailed information regarding the individual sensitization profile of allergic patients, allows monitoring of the development of allergic disease and of the effect of therapies on the immune response to individual allergen molecules. Allergen microarrays contain a large variety of allergen molecules and thus allow the simultaneous detection of allergic patients' antibody reactivity profiles towards each of the allergen molecules with only minute amounts of serum. In this article we summarize recent progress in the field of allergen microarray technology and introduce the MeDALL allergen-chip which has been developed for the specific and sensitive monitoring of IgE and IgG reactivity profiles towards more than 170 allergen molecules in sera collected in European birth cohorts. MeDALL is a European research program in which allergen microarray technology is used for the monitoring of the development of allergic disease in childhood, to draw a geographic map of the recognition of clinically relevant allergens in different populations and to establish reactivity profiles which are associated with and predict certain disease manifestations. We describe technical advances of the MeDALL allergen-chip regarding specificity, sensitivity and its ability to deliver test results which are close to in vivo reactivity. In addition, the usefulness and numerous advantages of allergen-microarrays for allergy research, refined allergy diagnosis, monitoring of disease, of the effects of therapies, for improving the prescription of specific immunotherapy and for prevention are discussed


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