期刊
JOURNAL OF IMMUNOLOGICAL METHODS
卷 263, 期 1-2, 页码 97-109出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0022-1759(02)00027-3
关键词
single domain antibodies; llama V(H)s and V(H)Hs; phage display library; anti-idiotypic antibodies
A llama single domain antibody (dAb) library designed and constructed to contain only heavy chain antibody variable domains (V(H)Hs) also contained a substantial number of typical conventional antibody heavy chain variable sequences (V(H)s). Panning the library against two carbohydrate-specific antibodies yielded anti-idiotypic dAbs and enriched solely for sequences from the V-H subpopulation of the library, The conventional antibody origin of these Viis was confirmed by using oligonucleotide probes, specific for the enriched V(H)s, to identify the parental sequences in the message employed in library construction. Surprisingly, these V-H dAbs, which are produced in high yield in Escherichia coli, are highly soluble, have excellent temperature stability profiles and do not display any aggregation tendencies. The very close similarity of these molecules to human V(H)s makes them potentially very useful as therapeutic dAbs. Crown Copyright (C) 2002 Published by Elsevier Science B.V All rights reserved.
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