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...