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1067892-47-0COC[C@H]1OC(=O)/C(=C/N(C)CCCN(C)C)C2=C(O)C(=O)C3=C([C@H](OC(C)=O)C[C@]4(C)[C@@H](OC(=O)CCCCCCC(=O)O[C@@H]5CC[C@@H](C[C@@H](C)[C@@H]6CC(=O)[C@H](C)/C=C(\C)[C@@H](O)[C@@H](OC)C(=O)[C@H](C)C[C@H](C)/C=C/C=C/C=C(\C)[C@@H](OC)C[C@@H]7CC[C@@H](C)[C@@](O)(O7)C(=O)C(=O)N7CCCC[C@H]7C(=O)O6)C[C@H]5OC)CC[C@@H]34)[C@]21CGVMCLKAVNVFURS-UXLLMVCWSA-N1067892-47-0BeschreibungPhosphoinositide 3-kinase (PI3K) and mammalian target of rapamycin (mTOR) act synergistically in promoting cancer. Wortmannin is a potent inhibitor of PI3K enzymes, while rapamycin blocks mTOR Complex 1 TORC1. Wortmannin-rapamycin conjugate consists of analogs of 17-hydroxy wortmannin and rapamycin conjugated via a prodrug linker. Hydrolysis of the prodrug linker in vivo releases the inhibitors. The wortmannin-rapamycin conjugate inhibits the growth of HT-29 colon tumors and A498 renal tumors in mice better than rapamycin alone. Also, the conjugate, when given in combination with the VEGF-blocker bevacizumab, produces substantial regression of larger A498 tumors. Finally, the wortmannin-rapamycin conjugate is tolerated better than an equivalent mixture of the inhibitors.
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