Delineating the specificity of an IgE-encoding transcriptome

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Presentation transcript:

Delineating the specificity of an IgE-encoding transcriptome Helena Persson, MSc, Mardjaneh Karbalaei Sadegh, MSc, Lennart Greiff, MD, Mats Ohlin, PhD Journal of Allergy and Clinical Immunology Volume 120, Issue 5, Pages 1186-1192 (November 2007) DOI: 10.1016/j.jaci.2007.06.041 Copyright © 2007 American Academy of Allergy, Asthma & Immunology Terms and Conditions

Fig 1 Serum IgE reactivity of a patient with grass pollen allergy, who was used for the construction of the combinatorial IgE library used in this study, to various grass pollen allergens, recombinant and natural (as found in timothy extract, Phl p E). Journal of Allergy and Clinical Immunology 2007 120, 1186-1192DOI: (10.1016/j.jaci.2007.06.041) Copyright © 2007 American Academy of Allergy, Asthma & Immunology Terms and Conditions

Fig 2 Binding specificity of representative examples of selected scFvs as determined by ELISA on different recombinant timothy allergens and on the natural extracts Phl p E (timothy) and Lol E (rye grass). The clones have preferred recognition of the substrate used in the selection, except the clones selected on Phl p 6 (here exemplified by clone p6-1), which show cross-reactivity to Phl p 5. Journal of Allergy and Clinical Immunology 2007 120, 1186-1192DOI: (10.1016/j.jaci.2007.06.041) Copyright © 2007 American Academy of Allergy, Asthma & Immunology Terms and Conditions

Fig 3 Sequences of scFvs selected on Phl p 6 (clone p6-1) and Phl p 5 (clones p5-9 and p5-13), having essentially the same VH (clonotype 35) but differing in the light chain. The complementarity determining regions of both chains are highlighted. Identical residues are shown with dots and gaps indicated by dashes. Journal of Allergy and Clinical Immunology 2007 120, 1186-1192DOI: (10.1016/j.jaci.2007.06.041) Copyright © 2007 American Academy of Allergy, Asthma & Immunology Terms and Conditions