Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
9
pubmed:dateCreated
1994-10-11
pubmed:abstractText
We have developed a strategy for guiding the selection of human antibody fragments from phage display repertoires to a single epitope of an antigen, using rodent monoclonal antibodies as a template. Thus the heavy chain of a rodent antibody (MAb32) directed against human tumor necrosis factor alpha (TNF alpha) was cloned and paired as a template chain with a repertoire of human light chains for display as Fab fragments on filamentous phage. The phage were selected by binding to the antigen. The selected human light chains were in turn paired with a repertoire of human heavy chains displayed on phage, and the phage selected again. The isolated phage displaying human antibody fragments binding to TNF alpha also bound to a peptide comprising the N-terminal region of TNF alpha as with MAb32. One of the human Fab fragments was recloned for expression as a glycosylated human antibody in mammalian cells: Binding to TNF alpha could be competed with MAb32 or with anti-serum to the peptide, indicating the same epitope. The human antibody was found to have a binding affinity (Kd = 15 nM) similar to MAb32 (Kd = 26 nM). The process contrasts with existing means of "humanizing" rodent monoclonal antibodies in that the antibodies derived are completely human.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
B
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Sep
pubmed:issn
0733-222X
pubmed:author
pubmed:issnType
Print
pubmed:volume
12
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
899-903
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed-meshheading:7521646-Amino Acid Sequence, pubmed-meshheading:7521646-Animals, pubmed-meshheading:7521646-Antibodies, Monoclonal, pubmed-meshheading:7521646-Antigen-Antibody Reactions, pubmed-meshheading:7521646-Antigens, pubmed-meshheading:7521646-Base Sequence, pubmed-meshheading:7521646-Cloning, Molecular, pubmed-meshheading:7521646-DNA Primers, pubmed-meshheading:7521646-Epitopes, pubmed-meshheading:7521646-Genes, Immunoglobulin, pubmed-meshheading:7521646-Glycosylation, pubmed-meshheading:7521646-Humans, pubmed-meshheading:7521646-Immunoglobulin Variable Region, pubmed-meshheading:7521646-Immunoglobulin kappa-Chains, pubmed-meshheading:7521646-Kinetics, pubmed-meshheading:7521646-Mice, pubmed-meshheading:7521646-Models, Structural, pubmed-meshheading:7521646-Molecular Sequence Data, pubmed-meshheading:7521646-Tumor Necrosis Factor-alpha
pubmed:year
1994
pubmed:articleTitle
Guiding the selection of human antibodies from phage display repertoires to a single epitope of an antigen.
pubmed:affiliation
MRC Centre for Protein Engineering, MRC Centre, Cambridge, U.K.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't