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Article

Temozolomide induces autophagy in primary and established glioblastoma cells in an EGFR independent manner

  • Authors:
    • Silvia Würstle
    • Fabian Schneider
    • Florian Ringel
    • Jens Gempt
    • Friederike Lämmer
    • Claire Delbridge
    • Wei Wu
    • Jürgen Schlegel
  • View Affiliations / Copyright

    Affiliations: Department of Neuropathology, Technische Universität München, D‑81675 Munich, Germany, Department of Neurosurgery, Technische Universität München, D‑81675 Munich, Germany
  • Pages: 322-328
    |
    Published online on: May 2, 2017
       https://doi.org/10.3892/ol.2017.6107
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Abstract

Despite major contributions to the current molecular understanding of autophagy, a recycling process for intracellular components to maintain homeostatic balance, relatively little is known about the interacting networks. To address this issue, the current study investigated the role of autophagy in primary and established glioblastoma multiforme (GBM) cells and its interplay with the epidermal growth factor receptor (EGFR) and the standard chemotherapeutic agent temozolomide (TMZ). TMZ treatment leads to an upregulation of autophagy, predominantly in primary GBM cells. The interaction between EGFR and Beclin‑1, an important protein in initiating autophagy, was assessed using a cancer cell line transfected with EGFRvIII, and by stimulation with EGF. The results of the current study suggest that Beclin‑1 and EGFR do not interact directly in either primary or established GBM cells. To enable the limited efficacy of patient treatment strategies of GBM to potentially be enhanced through the application of autophagy regulators, the multiple cellular interactions of autophagy require further elucidation.
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Copy and paste a formatted citation
Spandidos Publications style
Würstle S, Schneider F, Ringel F, Gempt J, Lämmer F, Delbridge C, Wu W and Schlegel J: Temozolomide induces autophagy in primary and established glioblastoma cells in an EGFR independent manner. Oncol Lett 14: 322-328, 2017.
APA
Würstle, S., Schneider, F., Ringel, F., Gempt, J., Lämmer, F., Delbridge, C. ... Schlegel, J. (2017). Temozolomide induces autophagy in primary and established glioblastoma cells in an EGFR independent manner. Oncology Letters, 14, 322-328. https://doi.org/10.3892/ol.2017.6107
MLA
Würstle, S., Schneider, F., Ringel, F., Gempt, J., Lämmer, F., Delbridge, C., Wu, W., Schlegel, J."Temozolomide induces autophagy in primary and established glioblastoma cells in an EGFR independent manner". Oncology Letters 14.1 (2017): 322-328.
Chicago
Würstle, S., Schneider, F., Ringel, F., Gempt, J., Lämmer, F., Delbridge, C., Wu, W., Schlegel, J."Temozolomide induces autophagy in primary and established glioblastoma cells in an EGFR independent manner". Oncology Letters 14, no. 1 (2017): 322-328. https://doi.org/10.3892/ol.2017.6107
Copy and paste a formatted citation
x
Spandidos Publications style
Würstle S, Schneider F, Ringel F, Gempt J, Lämmer F, Delbridge C, Wu W and Schlegel J: Temozolomide induces autophagy in primary and established glioblastoma cells in an EGFR independent manner. Oncol Lett 14: 322-328, 2017.
APA
Würstle, S., Schneider, F., Ringel, F., Gempt, J., Lämmer, F., Delbridge, C. ... Schlegel, J. (2017). Temozolomide induces autophagy in primary and established glioblastoma cells in an EGFR independent manner. Oncology Letters, 14, 322-328. https://doi.org/10.3892/ol.2017.6107
MLA
Würstle, S., Schneider, F., Ringel, F., Gempt, J., Lämmer, F., Delbridge, C., Wu, W., Schlegel, J."Temozolomide induces autophagy in primary and established glioblastoma cells in an EGFR independent manner". Oncology Letters 14.1 (2017): 322-328.
Chicago
Würstle, S., Schneider, F., Ringel, F., Gempt, J., Lämmer, F., Delbridge, C., Wu, W., Schlegel, J."Temozolomide induces autophagy in primary and established glioblastoma cells in an EGFR independent manner". Oncology Letters 14, no. 1 (2017): 322-328. https://doi.org/10.3892/ol.2017.6107
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