ArticleCellular & molecular biology letters2026
Cannabidiol alleviates traumatic brain injury-induced neuronal damage and cognitive deficits by inhibiting ferroptosis via the TRPV1/MCU/PI3K/Akt pathway.
Article in Cellular & molecular biology letters, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundTraumatic brain injury (TBI) is a common surgical traumatic condition that poses a significant threat to human health and working capacity. However, effective treatments to improve its prognosis remain limited. Cannabidiol (CBD), a naturally occurring compound extracted from the cannabis plant, exhibits multiple pharmacological effects through diverse molecular targets. To date, the role and underlying molecular mechanisms of CBD in the context of TBI have not been fully elucidated. In this study, we investigated the specific effects of CBD following TBI and explored its underlying mechanisms.
methodsAn in vitro ferroptosis model was established using HT-22 cells, and an in vivo TBI model was established in mice. Techniques such as Western blotting, immunofluorescence staining, and behavioral analysis were employed to evaluate the effects of CBD on ferroptosis, pathological changes, and neurological function after TBI, as well as to explore the associated molecular mechanisms.
resultsCBD significantly alleviated ferroptosis, neuronal injury, and cognitive dysfunction following TBI in vitro and in vivo. Further investigation revealed that CBD mitigated mitochondrial dysfunction by reducing Ca
conclusionsCBD inhibits ferroptosis, at least in part, via the TRPV1/MCU/PI3K/Akt signaling pathway, thereby alleviating TBI-induced neuronal damage and cognitive deficits. In addition, these findings indicate that CBD exhibits a potent anti-ferroptotic effect and may serve as a promising therapeutic agent for TBI.
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