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This service exclusively searches for literature that cites resources. Please be aware that the total number of searchable documents is limited to those containing RRIDs and does not include all open-access literature.

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Inhibition of Gap Junctions Sensitizes Primary Glioblastoma Cells for Temozolomide.

  • Anna-Laura Potthoff‎ et al.
  • Cancers‎
  • 2019‎

Gap junctions have recently been shown to interconnect glioblastoma cells to a multicellular syncytial network, thereby allowing intercellular communication over long distances as well as enabling glioblastoma cells to form routes for brain microinvasion. Against this backdrop gap junction-targeted therapies might provide for an essential contribution to isolate cancer cells within the brain, thus increasing the tumor cells' vulnerability to the standard chemotherapeutic agent temozolomide. By utilizing INI-0602-a novel gap junction inhibitor optimized for crossing the blood brain barrier-in an oncological setting, the present study was aimed at evaluating the potential of gap junction-targeted therapy on primary human glioblastoma cell populations. Pharmacological inhibition of gap junctions profoundly sensitized primary glioblastoma cells to temozolomide-mediated cell death. On the molecular level, gap junction inhibition was associated with elevated activity of the JNK signaling pathway. With the use of a novel gap junction inhibitor capable of crossing the blood-brain barrier-thus constituting an auspicious drug for clinical applicability-these results may constitute a promising new therapeutic strategy in the field of current translational glioblastoma research.


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