Serum IgE Reactivity Profiling in an Asthma Affected Cohort
2011

Serum IgE Reactivity Profiling in Asthma

Sample size: 872 publication Evidence: high

Author Information

Author(s): Dottorini Tania, Sole Gabriella, Nunziangeli Luisa, Baldracchini Francesca, Senin Nicola, Mazzoleni Giorgio, Proietti Carla, Balaci Lenuta, Crisanti Andrea

Primary Institution: Department of Experimental Medicine and Biochemical Sciences, University of Perugia, Perugia, Italy

Hypothesis

The study investigates whether specific IgE reactivity profiles correlate with asthma and other atopic conditions.

Conclusion

Asthma is associated with specific patterns of IgE reactivity rather than individual antibody reactions.

Supporting Evidence

  • Specific IgE against individual allergens correlated poorly with asthma.
  • Patterns of IgE reactivity were significantly associated with asthma.
  • An artificial neural network classified individuals as asthmatic or non-asthmatic with 78% accuracy.

Takeaway

The study found that people with asthma have unique patterns of IgE responses to allergens, which can help tell them apart from non-asthmatics.

Methodology

The study used a microarray immunoassay with 103 allergens to analyze IgE reactivity in asthmatic and non-asthmatic individuals.

Potential Biases

Potential bias due to familial relationships among participants.

Limitations

The study's findings may not be generalizable beyond the Sardinian population studied.

Participant Demographics

Participants included 485 asthmatic individuals and 342 non-asthmatic individuals from families with a history of asthma.

Statistical Information

P-Value

p<10E-09

Statistical Significance

p<10E-09

Digital Object Identifier (DOI)

10.1371/journal.pone.0022319

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