Hybridomas producing monoclonal antibodies to mono-, di- and tri

Chemistry: molecular biology and microbiology – Measuring or testing process involving enzymes or... – Involving antigen-antibody binding – specific binding protein...

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5303913, 5303875, 5303881, 5303888, 424 11, 424 9, 424 858, 424 8591, 4351722, 435 7021, 43524027, 935 92, 935104, 935107, C12P 2108, C07K 1528, A61K 4300, C12N 520

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051716674

ABSTRACT:
Hybridoma cell lines that produce monoclonal antibodies that differentially recognize glycolipids with mono-, di-, and trifucosylated type 2 chain structures are disclosed. The monoclonal antibodies can be used to detect specific types of tumor cells that are characterized by enrichment in mono-, di-, or trifucosylated type 2 chain structure. As such, the antibodies produced by the hybridoma cell lines are useful for diagnosis and treatment of human cancer. Also disclosed is an improved method of raising hybridoma cell lines by selecting the hybridomas by positive reactively with one or more fucosylated type 2 chain structures selected from the group consisting of III.sup.3 FucnLc.sub.4, V.sup.3 FucnLc.sub.6, III.sup.3 FucnLc.sub.6, III.sup.3 V.sup.3 Fuc.sub.2 nLc.sub.6, and III.sup.3 V.sup.3 VII.sup.3 Fuc.sub.3 nLc.sub.8.

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