Novel immunogenic mimetics of multimer proteins
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United States of America Patent
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Issued Date -
Oct 2, 2003
app pub date -
Nov 15, 2002
filing date -
Nov 16, 2001
priority date (Note) -
Abandoned
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Abstract
The present invention relatas to novel immunogenic variants of multimeric proteins such as immunogenic variants of interleukin 5 (IL5) and tumour necrosis factor alpha (TNF, TNF.alpha.). The variants are, besides from being immunogenic in the autologous host, also highly similar to the native 3D structure of the proteins from which they are derived. Certain variants are monomeric mimics of the multimers, where peptide linkers (inert or T helper epitope containing) ensure a spatial organisation of the monomomer units that facilitate correct folding. A subset of variants are monomer TNF.alpha. variants that exhibit a superior capability of assembling into multimers with a high structural similarity to the native protein. Also disclosed are methods of treatment and production of the variants as well as DNA fragments, vectors, and host cells.
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