Cannabichromene (CBC) inhibited pancreatic cancer cell growth and tumor growth in mice by simultaneously triggering apoptosis and ferroptosis through TRPV1 and CB2 receptors.
Cancer researchers and pharmacologists exploring cannabinoid-based cancer therapies.
CBC triggered both apoptosis and ferroptosis in pancreatic cancer cells via TRPV1 and CB2 receptors
What the researchers found
CBC treatment upregulated ferroptosis-related genes including HMOX1 and induced both apoptosis and ferroptosis in pancreatic cancer cells. CBC increased TRPV1 and CB2 receptor expression, and blocking these receptors reversed the cell death effects. In xenograft mouse models, CBC consistently inhibited tumor growth through the same multi-pathway mechanism.
Why it matters
Pancreatic cancer has one of the worst survival rates of any cancer. CBC working through multiple cell death pathways simultaneously could overcome the treatment resistance that makes pancreatic cancer so difficult to treat.
The numbers in context
CBC upregulated ferroptosis genes including HMOX1. TRPV1 and CB2 expression preferentially increased. Cell death reversed by TRPV1 and CB2 inhibitors. Tumor growth inhibited in xenograft models.
How the study worked
In vitro studies in human pancreatic cancer cells (mRNA-seq analysis, molecular assays for apoptosis and ferroptosis) combined with in vivo xenograft models in mice. Receptor involvement confirmed through inhibitor experiments.
What this study cannot tell us
Preclinical study only. Human pancreatic cancer cell lines and mouse xenografts may not reflect clinical tumor behavior. CBC doses used may not be achievable in humans. No comparison to standard pancreatic cancer therapies.
How to read the evidence
Preclinical study with both in vitro and in vivo validation, but no human data and uncertain clinical translatability.
When this study was published
2025 publication.
The bigger picture
While THC and CBD have received most research attention for anti-cancer properties, minor cannabinoids like CBC may offer distinct mechanisms. The multi-pathway approach (apoptosis plus ferroptosis) is particularly interesting given cancer cells' ability to evade single death pathways.
Questions still open
- What CBC doses would be needed to achieve anti-tumor effects in humans?
- Would CBC enhance the effects of standard pancreatic cancer treatments?
Read the original research
Cannabichromene: integrative modulation of apoptosis, ferroptosis, and endocannabinoid signaling in pancreatic cancer therapy.
Cell death discovery, 11(1), 377
Citation
Hwang, Yu-Na; Park, Ju-Hee; Na, Han-Heom; Kwon, Tae-Hyung; Park, Jin-Sung; Chae, Sehyun; Oh, Young Taek; Kim, Keun-Cheol. (2025). Cannabichromene: integrative modulation of apoptosis, ferroptosis, and endocannabinoid signaling in pancreatic cancer therapy.. Cell death discovery, 11(1), 377. https://doi.org/10.1038/s41420-025-02674-8
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