期刊
JOURNAL OF MOLECULAR NEUROSCIENCE
卷 71, 期 9, 页码 1725-1742出版社
SPRINGERNATURE
DOI: 10.1007/s12031-021-01841-7
关键词
Traumatic brain injury; Excitotoxicity; Mitochondrial dysfunction; Oxidative stress; Neuroinflammation; Apoptosis; Nuclear factor-kappa B (NF-κ B)
Traumatic brain injury leads to brain damage through primary and secondary injury mechanisms, causing inflammatory activity, brain edema, and disruption of brain functions. Despite an in-depth understanding of the pathophysiology of TBI, further research is needed to assess the underlying mechanisms and potential therapeutic agents.
Traumatic brain injury (TBI) causes brain damage, which involves primary and secondary injury mechanisms. Primary injury causes local brain damage, while secondary damage begins with inflammatory activity followed by disruption of the blood-brain barrier (BBB), peripheral blood cells infiltration, brain edema, and the discharge of numerous immune mediators including chemotactic factors and interleukins. TBI alters molecular signaling, cell structures, and functions. Besides tissue damage such as axonal damage, contusions, and hemorrhage, TBI in general interrupts brain physiology including cognition, decision-making, memory, attention, and speech capability. Regardless of the deep understanding of the pathophysiology of TBI, the underlying mechanisms still need to be assessed with a desired therapeutic agent to control the consequences of TBI. The current review gives a brief outline of the pathophysiological mechanism of TBI and various biochemical pathways involved in brain injury, pharmacological treatment approaches, and novel targets for therapy.
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