Bioeng Transl Med, 2023 · DOI: 10.1002/btm2.10389 · Published: March 1, 2023
Spinal cord injury (SCI) leads to neuroinflammation, which contributes to both tissue damage and repair processes. The immune cells and their factors become imbalanced in the spinal cord microenvironment. To heal and repair, immunological pathways during neuroinflammation must be manipulated. Recent advancements in molecular, cellular, and biomaterial-based therapies to modulate inflammation and promote tissue regeneration and functional recovery are discussed. Neuroinflammation, an inflammatory response in the brain or spinal cord, is a key component after SCI. It persists from the primary phase to the secondary phase of injury.
Localized drug delivery using biomaterials can bypass the blood-spinal cord barrier (BSCB) and reduce side effects of immunomodulation drugs.
SCI scaffolds should be designed to be immunomodulatory through manipulating material chemistry and mechanical properties to achieve better recovery outcomes.
Combining biomaterial design, drug delivery, cell therapy, and rehabilitation can target neuroinflammation and neuroregeneration to achieve a synergistic effect in promoting functional recovery after SCI.