Artesunate Enhances the Antiproliferative Effect of Temozolomide on U87MG and A172 Glioblastoma Cell Lines

ISSN: 1875-5992 (Online)
ISSN: 1871-5206 (Print)

Volume 17, 14 Issues, 2017

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Anti-Cancer Agents in Medicinal Chemistry

Formerly: Current Medicinal Chemistry - Anti-Cancer Agents

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Michelle Prudhomme
Institut de Chimie de Clermont-Ferrand
Université Clermont Auvergne

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Artesunate Enhances the Antiproliferative Effect of Temozolomide on U87MG and A172 Glioblastoma Cell Lines

Anti-Cancer Agents in Medicinal Chemistry, 14(2): 313-318.

Author(s): Georg Karpel-Massler, Mike-Andrew Westhoff, Richard E. Kast, Annika Dwucet, Lisa Nonnenmacher, C. Rainer Wirtz, Klaus-Michael Debatin and Marc-Eric Halatsch.

Affiliation: University of Ulm, Department of Neurosurgery, Albert-Einstein-Allee 23, D-89081 Ulm, Germany.


As chemotherapy with temozolomide is far from providing satisfactory clinical outcomes for patients with glioblastoma, more efficient drugs and drug combinations are urgently needed. The anti-malarial artesunate was previously shown to exert a profound cytotoxic effect on various tumor cell lines including those derived from glioblastoma. In the current study, we sought to examine the antiproliferative effect of a combination of temozolomide and artesunate on two different established human glioblastoma cell lines. The IC50 and IC25 were determined for temozolomide and artesunate in U87MG and A172 glioblastoma cell lines after 144 h of continuous drug exposure. The antiproliferative effect of combining both agents at IC50/IC50 and IC25/IC25 was determined by a cell viability assay. Moreover, necrosis and apoptosis were analyzed by annexin V/PI staining and flow cytometric analysis. In addition, cytostatic effects were examined by carboxyfluorescein diacetate succinimidyl ester staining and subsequent flow cytometry. In both glioblastoma cell lines, artesunate was found to enhance the antiproliferative effect exerted by temozolomide. Moreover, artesunate acted in concert with temozolomide in terms of cytostatic and necrotizing effects. These observations suggest that a combination of artesunate and temozolomide might result in increased cytotoxicity in glioblastoma.


Artesunate, combination therapy, cytostasis, glioblastoma, necrosis, temozolomide.

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Article Details

Volume: 14
Issue Number: 2
First Page: 313
Last Page: 318
Page Count: 6
DOI: 10.2174/18715206113136660340
Price: $58
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