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. 1991 Sep;74(1):50–54.

Human monoclonal antibodies with different fine specificity for digoxin derivatives: cloning of heavy and light chain variable region sequences.

L Danielsson 1, C Furebring 1, M Ohlin 1, L Hultman 1, M Abrahamson 1, R Carlsson 1, C A Borrebaeck 1
PMCID: PMC1384670  PMID: 1937573

Abstract

Human-mouse hybridoma cell lines producing human monoclonal antibodies against the cardiac glycoside digoxin were established after in vitro immunization or direct immortalization of human peripheral blood lymphocytes with digoxin. Three antibodies, designated MO6, LH92 and LH1114, displayed different patterns of fine specificity against digoxin and several digoxin analogues, as elucidated by inhibition ELISA. All three monoclonal antibodies had mu heavy chains, two of them (MO6 and LH114) had kappa light chains and one (LH92) lambda light chains. DNA encoding the variable regions of both heavy and light chains of the three antibodies were amplified from cDNA using the polymerase chain reaction (PCR). The nucleotide sequences of the amplified DNA were determined after subcloning of PCR fragments in M13 vectors. The deduced amino acid sequences revealed considerable sequence differences in the complementarity determining regions between the three antibodies.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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