Abstract:
:Tomato fruit and seed allergens were detected by IgE-immunoblotting using sera from 18 adult tomato-sensitized patients selected based on a positive history skin prick test (SPT) and specific Immunglobulin (Ig) E-levels. Isolated tomato seed total protein showed high SPT activity comparable or even higher than tomato fruit protein. For the molecular characterization of tomato seed allergens, a multidimensional protein fractionation strategy and LC-MS/MS was used. Two legumin- and vicilin-proteins were purified and showed strong IgE-reactivity in immunoblots. Individual patient sera exhibited varying IgE-sensitivity against the purified proteins. In silico structural modeling indicates high homology between epitopes of known walnut allergens and the detected IgE-crossreactive tomato proteins.
journal_name
J Proteome Resjournal_title
Journal of proteome researchauthors
Bässler OY,Weiss J,Wienkoop S,Lehmann K,Scheler C,Dölle S,Schwarz D,Franken P,George E,Worm M,Weckwerth Wdoi
10.1021/pr800186dsubject
Has Abstractpub_date
2009-03-01 00:00:00pages
1111-22issue
3eissn
1535-3893issn
1535-3907journal_volume
8pub_type
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