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产品价格:电议      采购度:153      原产地:美洲
发布时间:2023/10/8 10:32:06 所属地区:国外 国外
简要描述:
9-Aminocamptothecin (9-Amino-CPT) 是拓扑异构酶 I 的抑制剂,具有有效地抗肿瘤活性。
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CAS No. : 91421-43-1
MCE 站:9-Aminocamptothecin
产品活性:9-Aminocamptothecin (9-Amino-CPT) 是拓扑异构酶 I 的抑制剂,具有有效地抗肿瘤活性。
作用靶点:Topoisomerase
In Vitro: In human breast (MCF-7), bladder (MGH-U1), and colon (HT-29) cancer cell lines, 9-Aminocamptothecin cytotoxicity increases with both higher drug concentrations and longer exposure times. Minimal cell killing is also observed unless 9-Aminocamptothecin concentrations exceeds a threshold of 2.7 nm. 9-Aminocamptothecin inhibits PC-3, PC-3M, DU145, and LNCaP cells with IC50 values of 34.1, 10, 6.5, and 8.9 nM, respectively after 96 h of drug exposure.
In Vivo: 9-Aminocamptothecin (9-Amino-CPT) inhibits tumor growth at the lowest oral dose (0.35 mg/kg/day), whereas higher oral doses (0.75 and 1 mg/kg/day) and s.c. administration (4 mg/kg/week) causes tumor regression. 9-Aminocamptothecin is well tolerated at all doses, with no toxic death or weight loss of more than 10% observed in any group. 9-Aminocamptothecin induces complete remissions in 55 % of SCID mice engrafted with human myeloid leukemia. The oral and intravenous routes are equally effective. The results with this pre-clinical model support the evaluation of 9-Aminocamptothecin as antileukemic agent in a phase I trial in patients with AML.
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更新时间:2024/1/2 10:31:45
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