Unknown,Transcriptomics,Genomics,Proteomics

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Protein profiling of human serum against a panel of allergens.


ABSTRACT: Current diagnostics for allergies, such as skin prick and radioallergosorbent tests, do not allow for inexpensive, high-throughput screening of patients. Additionally, extracts used in these methods are made from washed pollen that lacks pollen surface materials that may contain allergens. We sought to develop a high-throughput assay to rapidly measure allergen-specific IgE levels in sera and to explore the relative allergenicity of different pollen fractions (i.e. surface, cytoplasmic, commercial extracts). To do this, we generated a protein microarray containing surface, cytoplasmic, and commercial extracts from 22 pollen species, commercial extracts from nine non-pollen allergens, and five recombinant allergenic proteins. Arrays were incubated with <25uL of serum from 176 individuals and bound IgE was detected by indirect immunofluorescence, providing a high-throughput measurement of IgE levels.

ORGANISM(S): Homo sapiens

SUBMITTER: Katinka Vigh-Conrad 

PROVIDER: E-MTAB-177 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

A protein allergen microarray detects specific IgE to pollen surface, cytoplasmic, and commercial allergen extracts.

Vigh-Conrad Katinka A KA   Conrad Donald F DF   Preuss Daphne D  

PloS one 20100416 4


<h4>Background</h4>Current diagnostics for allergies, such as skin prick and radioallergosorbent tests, do not allow for inexpensive, high-throughput screening of patients. Additionally, extracts used in these methods are made from washed pollen that lacks pollen surface materials that may contain allergens.<h4>Methodology/principal findings</h4>We sought to develop a high-throughput assay to rapidly measure allergen-specific IgE in sera and to explore the relative allergenicity of different pol  ...[more]

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