Chimeric antibody, pharmaceutical composition and process of its production
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United States of America Patent
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Aug 29, 2006
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N/A
app pub date -
Jun 2, 1995
filing date -
Sep 17, 1990
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Abstract
An altered antibody chain is produced in which the CDR's of the variable domain of the chain are derived from a first mammalian species. The framework-encoding regions of DNA encoding the variable domain of the first species are mutated so that the mutated framework-encoding regions encode a framework derived from a second different mammalian species. The or each constant domain of the antibody chain, if present, are also derived from the second mammalian species. An antibody which is capable of binding to human CD4 antigen is also provided together with a pharmaceutical composition comprising the antibody.
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