Synthesis of diethylamino-curcumin mimics with substituted triazolyl groups and their sensitization effect of TRAIL against brain cancer cells.

Abstract:

:A newly designed curcumin mimic library (11a-11k) with 2-ethylamino groups in a chalcone structure and variously substituted triazole groups as side chains was synthesized using the Huisgen 1,3-cycloaddition reaction between various alkynes (a-k) and an intermediate (10), with CuSO4 and sodium ascorbate in a solution mixture of chloroform, ethanol, and water (5:3:1) at room temperature for 5h. In the lactate dehydrogenase (LDH) release assay involving co-treatment with tumor necrosis factor (TNF)-related apoptosis-inducing ligand (TRAIL) and/or synthetic curcumin derivatives using TRAIL-resistant human CRT-MG astroglioma cells, the novel curcumin mimic library was found to effectively stimulate the cytotoxicity of TRAIL, causing mild cytotoxicity when administered alone. In particular, 11a and 11j are promising candidates for TRAIL-sensitizers with potential use in combination chemotherapy for brain tumors.

journal_name

Bioorg Med Chem Lett

authors

Ahn Y,Oh S,Lee SJ,Park BG,Park YS,Shin WS,Jang HJ,Park JH,Kwon D,Lee S

doi

10.1016/j.bmcl.2014.05.098

subject

Has Abstract

pub_date

2014-08-01 00:00:00

pages

3346-50

issue

15

eissn

0960-894X

issn

1464-3405

pii

S0960-894X(14)00607-6

journal_volume

24

pub_type

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