New research finds that cannabinol (CBN), a lesser-known compound found in marijuana, could play a protective role in treating neurodegenerative diseases by reducing cell stress and promoting neuronal survival.
The study, conducted by scientists from the University of Eastern Piedmont and the University “G. d’Annunzio” Chieti-Pescara and published in the journal Antioxidants, explored the effects of CBN on differentiated neuroblastoma x spinal cord (NSC-34) cells. Researchers exposed these cells to various concentrations of CBN over 24 hours and analyzed gene expression changes using next-generation sequencing.
The study’s abstract notes, “Our results reveal that CBN had no negative impact on cell viability at the tested concentrations. Instead, it showed a significant effect on stress response and neuroplasticity-related processes.” The data showed CBN affected genes tied to cellular stress, neuronal survival, and axon guidance—key functions that often deteriorate in neurodegenerative disorders.
In their conclusion, the researchers state that CBN “stimulates the antioxidant response through the Nrf2 pathway and reduces the sensitivity to programmed cell death,” suggesting it may help cells withstand chronic stress. They add that CBN “may be able to support neuronal health under conditions of chronic stress,” though they emphasize the need for in vivo research to confirm its safety and efficacy.
These findings build on previous research highlighting CBN’s antioxidant and anti-inflammatory properties and suggest it could serve as an adjuvant therapy in the fight against neurodegenerative diseases such as Alzheimer’s and Parkinson’s.
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