RRC ID 6582
著者 Akahori Y, Kurosawa G, Sumitomo M, Morita M, Muramatsu C, Eguchi K, Tanaka M, Suzuki K, Sugiura M, Iba Y, Sugioka A, Kurosawa Y.
タイトル Isolation of antigen/antibody complexes through organic solvent (ICOS) method.
ジャーナル Biochem Biophys Res Commun
Abstract We developed a method termed ICOS (isolation of antigen-antibody complexes through organic solvent) for comprehensive isolation of monoclonal antibodies (mAbs) bound to molecules on the cell surface. By mixing a large number of phage particles of an antibody (Ab) library with living cells, antigen (Ag)-Ab complexes were formed on the cell surface. The mixture was overlaid on organic solution in a tube and subjected to centrifugation. Phages bound to cells were recovered from the precipitate. The phage fraction isolated turned out to contain mAbs that bind to very heterogeneous epitopes and show strong binding activity to Ags. The ICOS method was applied to isolation of human mAbs that may be therapeutic against cancers. Sixty percent of clones isolated by the screening of a phage Ab library against cancer cells turned out to bind to various kinds of tumor-associated Ags. The precise protocol of ICOS method and the rationale of efficient screening were described.
巻・号 378(4)
ページ 832-5
公開日 2009-1-23
DOI 10.1016/j.bbrc.2008.11.129
PII S0006-291X(08)02366-8
PMID 19071089
MeSH Antibodies, Monoclonal / chemistry Antibodies, Monoclonal / genetics Antibodies, Monoclonal / isolation & purification* Antigen-Antibody Complex / chemistry Antigen-Antibody Complex / genetics Antigen-Antibody Complex / isolation & purification* Humans Membrane Proteins / immunology* Methods Peptide Library* Solvents / chemistry
IF 2.985
引用数 18
WOS 分野 BIOPHYSICS BIOCHEMISTRY & MOLECULAR BIOLOGY
リソース情報
ヒト・動物細胞