Expression of monoclonal antibodies in duckweed
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United States of America Patent
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Dec 15, 2009
Grant Date -
Dec 23, 2004
app pub date -
Mar 5, 2004
filing date -
Jul 31, 2000
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Abstract
Methods, nucleic acid sequences, and transformed duckweed plant or duckweed nodule cultures for the expression and the secretion of biologically active polypeptides from genetically engineered duckweed are provided. Expression of recombinant polypeptides in duckweed is improved by modifying the nucleotide sequence of the expression cassette encoding the polypeptide for improved expression in duckweed. Recovery of biologically active polypeptides from duckweed is improved by linking the biologically active polypeptide to a signal peptide that directs the secretion of the polypeptide into the culture medium. Methods of producing recombinant monoclonal antibodies having effector function, and antibodies produced by these methods are provided.
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