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The clinical meaning of positive latex sIgE in patients with food/pollen adverse reactions.
MedLine Citation:
PMID:  22697076     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Natural rubber latex allergy (NRL-A) is an international problem of public health. About 50-60% of NRL-A patients may present adverse reactions after ingestion of cross-reacting vegetable foods. This condition, called Latex-fruit Syndrome, is a matter of research. The aim of our study is to distinguish between clinical/subclinical latex-fruit syndrome and cross-sensitization to latex and food/pollen allergens on the basis of latex recombinant allergens. We studied 51 patients with food hypersensitivity and serological evidence of NRL sensitization. The subjects underwent an accurate allergological evaluation (skin prick test with latex, food and pollen extracts, specific IgE to latex and recombinant allergens, challenge provocation tests). The patients were divided in two groups: group A) 34 patients with clinical and serological latex and fruit/vegetable allergies; group B) 17 patients allergic to fruits/vegetables and/or pollens, with serological, but not clinical NRL-A. All the latex challenge tests resulted positive in group A patients and only two patients of group B presented positive cutaneous challenge tests. Moreover, specific IgE-antibodies were detected to rHev b 5, to rHev b 6.01, to rHev b 6.02 and to rHev b 8 (and other profilins) of group A patients, while in group B we observed a monosensitization to Hev b8, probably linked to a cross-sensitization to pollens and foods. At the present state of knowledge, we need a multi-parametric approach based on a combination of clinical history, diagnostic tests (CRD) and latex challenge test sto make diagnosis of latex-fruit syndrome.
Authors:
E Nucera; A Rizzi; A Buonomo; T De Pasquale; V Pecora; A Colagiovanni; L Pascolini; A G Ricci; A Sferrazza; G Patriarca; A Aruanno; D Schiavino
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  International journal of immunopathology and pharmacology     Volume:  25     ISSN:  0394-6320     ISO Abbreviation:  Int J Immunopathol Pharmacol     Publication Date:    2012 Apr-Jun
Date Detail:
Created Date:  2012-06-15     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8911335     Medline TA:  Int J Immunopathol Pharmacol     Country:  Italy    
Other Details:
Languages:  eng     Pagination:  445-53     Citation Subset:  IM    
Affiliation:
Allergy Unit, Università Cattolica del Sacro Cuore, Policlinico- A. Gemelli, Rome, Italy.
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