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Killing Me Softly—Future Challenges in Apoptosis Research

Department of Pediatrics and Adolescent Medicine, University Medical Center Ulm, Ulm 89075, Germany
Laboratorio Analisi Sicilia Catania, Lentini (SR) 96016, Italy
Department of Neurosurgery, University Medical Center Ulm, Ulm 89081, Germany
Author to whom correspondence should be addressed.
Int. J. Mol. Sci. 2014, 15(3), 3746-3767;
Received: 23 December 2013 / Revised: 10 February 2014 / Accepted: 19 February 2014 / Published: 3 March 2014
(This article belongs to the Collection Programmed Cell Death and Apoptosis)
The induction of apoptosis, a highly regulated and clearly defined mode of cell dying, is a vital tenet of modern cancer therapy. In this review we focus on three aspects of apoptosis research which we believe are the most crucial and most exciting areas currently investigated and that will need to be better understood in order to enhance the efficacy of therapeutic measures. First, we discuss which target to select for cancer therapy and argue that not the cancer cell as such, but its interaction with the microenvironment is a more promising and genetically stable site of attack. Second, the complexity of combination therapy is elucidated using the PI3-K-mediated signaling network as a specific example. Here we show that the current clinical approach to sensitize malignancies to apoptosis by maximal, prolonged inhibition of so-called survival pathways can actually be counter productive. Third, we propose that under certain conditions which will need to be clearly defined in future, chronification of a tumor might be preferable to the attempt at a cure. Finally, we discuss further problems with utilizing apoptosis induction in cancer therapy and propose a novel potential therapeutic approach that combines the previously discussed features. View Full-Text
Keywords: apoptosis; cancer therapy; microenvironment; combination therapy; chronification apoptosis; cancer therapy; microenvironment; combination therapy; chronification
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MDPI and ACS Style

Westhoff, M.-A.; Brühl, O.; Nonnenmacher, L.; Karpel-Massler, G.; Debatin, K.-M. Killing Me Softly—Future Challenges in Apoptosis Research. Int. J. Mol. Sci. 2014, 15, 3746-3767.

AMA Style

Westhoff M-A, Brühl O, Nonnenmacher L, Karpel-Massler G, Debatin K-M. Killing Me Softly—Future Challenges in Apoptosis Research. International Journal of Molecular Sciences. 2014; 15(3):3746-3767.

Chicago/Turabian Style

Westhoff, Mike-Andrew, Oliver Brühl, Lisa Nonnenmacher, Georg Karpel-Massler, and Klaus-Michael Debatin. 2014. "Killing Me Softly—Future Challenges in Apoptosis Research" International Journal of Molecular Sciences 15, no. 3: 3746-3767.

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