Paper
New Quinoline Based Sulfonamide Derivatives: Cytotoxic and Apoptotic Activity Evaluation Against Pancreatic Cancer Cells.
Published May 31, 2018 · Leyla Yurttaş, G. Çiftçi
Anti-cancer agents in medicinal chemistry
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Abstract
BACKGROUND Quinoline is a privileged scaffold especially known with antimalarial and antibacterial drugs before, presently followed anticancer efficiency with a new group of protein kinase inhibitors. OBJECTIVE In this work, combining quinoline ring, hydrazone and sulphonamide groups, we have synthesized N'-arylidene-2-[4-(quinolin-8-ylsulfonyl)piperazin-1-yl]acetohydrazide derivatives (3a-o) and evaluated their in vitro anticancer activity against cancerous cell lines PANC-1, CAPAN-1, and healthy cell line hTERT-HPNE. METHOD Fifteen compounds were synthesized a simple, well-known three-step synthetic procedure starting from 8-quinolinesulfonylchloride. Cytotoxicity studies were performed according to the conventional MTT method. As a second stage, flow cytometric analysis was done to the nine most cytotoxic compounds for determining the mechanism of action which could be apoptosis and/or necrosis. RESULTS/CONCLUSION According to anticancer activity evaluation, compound 3b bearing 4-methyl phenyl moiety exhibited significant cytotoxicity which has an IC50 value nearly four-fold lower than cisplatin displayed, whereas compound 3f bearing 4-trifluoromethyl phenyl moiety showed two-fold potency of the standard drug against PANC-1 cell line. Compounds 3h, 3k and 3n against CAPAN-1 also showed significant cytotoxicity, selectively. The most active compounds 3b, 3c, 3d, 3f, 3g, 3h, 3k and 3n against PANC-1 and compounds 3f, 3g, 3h, 3k and 3n against CAPAN-1 were selected to be studied in flow cytometry. Compound 3b induced apoptosis of PANC-1 cells with a percentage of 16.0%, whereas compound 3h induced apoptosis of CAPAN-1 cells with a value of 20.6%.
In Vitro StudyNew quinoline-based sulfonamide derivatives show significant anticancer activity, with compounds 3b, 3f, and 3h showing two-fold potency of standard drugs against pancreatic cancer cell lines.
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