Vegetables provide important nutrients but can also induce allergic symptoms. Celery tuber allergy frequently occurs in Central European countries and can cause allergic reactions including fatal anaphylactic shocks. There is little information about allergen content in seeds. Therefore, we analyzed 2 patients with allergic reaction after remoulade sauce consumption who entered the clinic for a diagnostic work-up. The routine diagnostic included serum derived specific IgE testing by ImmunoCAP, ImmunoCAP ISAC, and skin prick tests (SPTs). Furthermore, protein extracts were prepared from both celery tuber and celery seeds and IgE binding capacity of these extracts was assessed by immunoblots, ELISA, and rat basophil leukemia (RBL) assay. We also determined role of cross-reactive carbohydrate determinants (CCDs) by IgE inhibition ELISA. Results revealed distinct protein patterns from celery tuber and seed extracts, suggesting differences in content and quantity of allergenic proteins. IgE antibodies from both sera bound to high molecular weight (HMW) proteins...

Keywords
SAUCES CELERY SEEDS CELERY ELISA ANIMAL MODELS BASOPHILS SKIN PRICK TESTING ALLERGENICITY ALLERGIES PEROXIDASES CELERY ANTIBODIES PLANT PROTEINS CARBOHYDRATES IMMUNOGLOBULIN E MOL. WT. BINDING CAPACITY CELERY ANIMAL MODELS ANTIBODIES HUMAN STUDIES BASOPHILS
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