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Biotech / Medical : ARIAD Pharmaceuticals
ARIA 23.990.0%Feb 17 4:00 PM EST

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To: biao luo who wrote (214)12/16/1997 9:15:00 AM
From: r. peter Dale  Read Replies (1) of 4474
 
The dimerizing activity of AP1510 was higher than FK1012 in a variety of settings even though its affinity for FKBP was 25-50X lower. This suggests activity towards hFKBP is relatively low. They also indicate they're working on 2nd gen. mols. which binds exclusively to the FKBP fusion protein.

Peter

Note:
The fact that rapamycin is immunosuppressive v/v hFKBP/FRAP as well is acknowledged but not addressed in the JCI paper. They are modifying their constructs to interact with a nonimmunosuppressive rapamycin analogue (successful approach with the cyclosporin-cyclophilin complex).
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