Sustained Delivery of Exosome-Encapsulated Ellagic Acid via Injectable Self-Healing Hydrogel for Spinal Cord Injury Repair.
Following primary mechanical trauma, spinal cord injury evolves through a complex secondary cascade involving blood-spinal cord barrier disruption, ischemia-reperfusion injury, oxidative stress, and neuroinflammation, which collectively propagate neuronal death, demyelination, and glial scarring to preclude functional...