Researchers at Imperial College London have suggested that cancer drugs called nutlins may influence mechanisms with the potential for enabling certain aspects of CNS nerve regeneration (at least in animal studies involving severed spinal cords):
Spinal cord injury may respond to cancer drug. London: BBC Health News, May 31st 2015.
This relates to:
Full Text Link (Note: This article requires a suitable Athens password, a journal subscription or payment for access).
Joshi, Y. Sória, MG. [and] Quadrato, G. [et al] (2015). The MDM4/MDM2-p53-IGF1 axis controls axonal regeneration, sprouting and functional recovery after CNS injury. Brain: a Journal of Neurology. May 16th 2015. [Epub ahead of print]. (Click here to view the PubMed abstract).