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题目:: Anticancer activity of newly synthesized azaphenothiazines from NCI's anticancer screening bank.
作者:: Pluta(Krystian),Jeleń(Małgorzata),Morak-Młodawska(Beata),Zimecki(Michał),Artym(Jolanta),Kocieba(Maja)
状态:: 发布时间2010-05-28 , 更新时间 2011-11-28
期刊:: Pharmacol Rep
摘要:: The activity of the newly synthesized azaphenothiazines: tricyclic 10-substituted dipyridothiazines 1-9, pentacyclic 6-substituted diquinothiazines 10-22 and hexacyclic diquinothiazinium salt 23 was tested on 55-60 in vitro cell lines. The cell lines included nine types of cancer: leukemia, non-small cell lung cancer, colon cancer, CNS cancer, melanoma, ovarian cancer, renal cancer, prostate cancer and breast cancer (National Cancer Institute, Bethesda, MD, USA). The features of the chemical substituent at the thiazine nitrogen atom confer the anticancer activity of diquinothiazines 10-23. Unexpectedly, the most active of the dipyridothiazines 1-9 was the unsubstituted compound 1 (the substituent is a hydrogen atom). The most cytotoxic compound was the half-mustard derivative 18. The GI(50) value of this compound was -7.06 (corresponding to 40 ng/ml) when tested on the melanoma cell line SK-MEL-5 and -6.0 - -6.62 using cell lines from various cancers including: leukemia (CCRF-CEM), the MOLT-4 cell line, colon cancer (HCT-116), central nervous system cancer (SNB-75 and SF-295), prostate cancer (PC-3), non-small cell lung cancer (NCI-H460 and HOP-92), ovarian cancer (IGROV1 and OVCAR-4) and breast cancer (MDA-MB-460). The ethylene group in the aminoalkylazaphenothiazines is as a good linker and is similar to the propylene and butylene linkers in aminoalkylphenothiazines. To our knowledge, this is the first demonstration of significant azaphenothiazine anticancer activity.
语言:: eng
DOI:

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