Abstract:
:We investigated the prevalence of sensitization to the cat lipocalin Fel d 7 among 140 cat-sensitized Swedish patients and elucidated its allergenic activity and cross-reactivity with the dog lipocalin Can f 1. Sixty-five of 140 patients had IgE to rFel d 7 whereof 60 also had IgE to rCan f 1. A moderate correlation between IgE levels to rFel d 7 and rCan f 1 was found. rFel d 7 activated basophils in vitro and inhibited IgE binding to rCan f 1 in 4 of 13 patients, whereas rCan f 1 inhibited IgE binding to rFel d 7 in 7 of 13 patients. Fel d 7 and Can f 1 showed high similarities in protein structure and epitopes in common were found using cross-reactive antisera. Fel d 7 is a common allergen in a Swedish cat-sensitized population that cross-reacts with Can f 1, and may contribute to symptoms in cat- but also in dog-allergic patients.
journal_name
Allergyjournal_title
Allergyauthors
Apostolovic D,Sánchez-Vidaurre S,Waden K,Curin M,Grundström J,Gafvelin G,Cirkovic Velickovic T,Grönlund H,Thomas WR,Valenta R,Hamsten C,van Hage Mdoi
10.1111/all.12955subject
Has Abstractpub_date
2016-10-01 00:00:00pages
1490-5issue
10eissn
0105-4538issn
1398-9995journal_volume
71pub_type
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