Quantification of Serum Ovalbumin-specific Immunoglobulin E Titre via in vivo Passive Cutaneous Anaphylaxis Assay

Kyle T. Mincham, Jonatan Leffler, Naomi M. Scott, Jean-Francois Lauzon-Joset, Philip A. Stumbles, Patrick G. Holt, Deborah H. Strickland

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


Murine models of allergic airway disease are frequently used as a tool to elucidate the cellular and molecular mechanisms of tissue-specific asthmatic disease pathogenesis. Paramount to the success of these models is the induction of experimental antigen sensitization, as indicated by the presence of antigen-specific serum immunoglobulin E. The quantification of antigen-specific serum IgE is routinely performed via enzyme-linked immunosorbent assay. However, the reproducibility of these in vitro assays can vary dramatically in our experience. Furthermore, quantifying IgE via in vitro methodologies does not enable the functional relevance of circulating IgE levels to be considered. As a biologically appropriate alternative method, we describe herein a highly reproducible in vivo passive cutaneous anaphylaxis assay using Sprague Dawley rats for the quantification of ovalbumin-specific IgE in serum samples from ovalbumin-sensitized murine models. Briefly, this in vivo assay involves subcutaneous injections of serum samples on the back of a Sprague Dawley rat, followed 24 h later by intravenous injection of ovalbumin and a blue detection dye. The subsequent result of antigen-IgE mediated inflammation and leakage of blue dye into the initial injection site indicates the presence of ovalbumin-specific IgE within the corresponding serum sample.

Original languageEnglish
Article numbere3184
Number of pages8
Issue number5
Publication statusPublished - 5 Mar 2019


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