Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2-4
pubmed:dateCreated
1999-6-10
pubmed:abstractText
The 43-kD latex allergen Hev b 7 was purified from the latex of Hevea brasiliensis and identified by N-terminal and internal peptide sequences as highly homologous to patatins. Patatins are storage proteins encoded by a multigene family found in plants such as potato and tomato. We have obtained a cDNA clone coding for a cytoplasmic form of Hev b 7. The recombinant protein was expressed in the methylotrophic yeast Pichia pastoris at 10 mg/l culture supernatant. Both natural Hev b 7 and rHev b 7 were recognized by IgE in 11% of the latex-allergic patients. rHev b 7 inhibited binding to its counterpart in natural rubber latex extracts. Purified rHev b 7 used at concentrations of 10 micrograms/ml in skin prick tests produced wheal-and-flare reactions of sizes equal to those produced by nHev b 7. Furthermore, we were able to show that rHev b 7 possessed esterase activity. A plant expression system for the production of larger quantities of recombinant latex allergens as an alternative to the preparation from H. brasiliensis sap is discussed.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:issn
1018-2438
pubmed:author
pubmed:issnType
Print
pubmed:volume
118
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
309-10
pubmed:dateRevised
2010-11-18
pubmed:meshHeading
pubmed:articleTitle
Cloning of the patatin-like latex allergen Hev b 7, its expression in the yeast Pichia pastoris and its immunological characterization.
pubmed:affiliation
Department of General and Experimental Pathology, University of Vienna, Vienna, Austria. Heimo.Breiteneder@akh-wien.ac.at
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't