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Detection of Mitochondria Membrane Potential to Study CLIC4 Knockdown-induced HN4 Cell Apoptosis In Vitro
Published on: July 17, 2018
Erufosine, a novel alkylphosphocholine, induces apoptosis in CLL through a caspase-dependent pathway
Sonja Katharina Königs1, Christian Philipp Pallasch, Lars Hartwin Lindner
1Clinic I of Internal Medicine, University of Cologne, Cologne, Germany.
Abstract:
The alkylphosphocholine (APC) erufosine is a synthetic phospholipid analogue with antineoplastic activity. APC are known to interact with lipid metabolism and modulate cellular signaling pathways, particularly the phosphorylation of Akt. Here, in primary CLL cells induction of apoptosis was detected with an IC50 of 22muM whereas healthy donor PBMC were less sensitive towards erufosine. Treatment with erufosine caused dose-dependent cleavage of PARP, co-incubation with caspase inhibitor z-VAD almost completely abrogated the cytotoxic effect of erufosine indicating a caspase-dependent mechanism of erufosine. Erufosine was shown to induce apoptosis in primary CLL cells and merits further investigation regarding therapeutic options in CLL.
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