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JJ Pharma Inc.

Carbohydrate-geldanamycin conjugates synthesized into potent anticancer drug

Published in Biotech Law Weekly, April 8th, 2005

Researchers found that galactose-geldanamycin may be exploited in antibody-directed enzyme prodrug therapy to increase tumor selectivity.

According to recent research from the United States, "Geldanamycin (GA) is a potent anticancer antibiotic that inhibits Hsp-90. Its potential clinical utility is hampered by its severe toxicity. To alleviate this problem, we synthesized a series of carbohydrate-geldanamycin conjugates for enzyine-specific activation to increase tumor selectivity."

"The conjugation was carried out at the C-17-position of GA. Their anticancer activity was tested in a number of cancer cell lines. The enzyme-specific activation of...

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