Mutant diphtheria toxin conjugates

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United States of America Patent

PATENT NO 5792458
SERIAL NO

08323591

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Abstract

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A potent and specific immunotoxin is prepared by coupling an inactivated diphtheria toxin to a binding moiety such as a monoclonal antibody or transferrin. The immunotoxins are specific for human tumors and leukemias and are indistinguishable in cell toxicity from that of the native toxin linked to the binding domain without the toxicity to other cells. The immunotoxin is useful in treating graft versus host disease as well as selectively killing tumor cells, such as medulloblastoma and glioblastoma cells.

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Patent Owner(s)

Patent OwnerAddress
CHIRON CORPORATION4650 HORTON STREET EMERYVILLE CALIFORNIA 94608 UNITED STATES OF AMERICA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Greenfield, Larry Emeryville, CA 2 57
Johnson, Virginia G College Park, MD 2 57
Laird, Walter Pinole, CA 3 147
Youle, Richard J Garrett Park, MD 26 452

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