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Progressive inflammation‐mediated neurodegeneration after traumatic brain or spinal cord injury
Author(s) -
Faden Alan I,
Wu Junfang,
Stoica Bogdan A,
Loane David J
Publication year - 2016
Publication title -
british journal of pharmacology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.432
H-Index - 211
eISSN - 1476-5381
pISSN - 0007-1188
DOI - 10.1111/bph.13179
Subject(s) - chronic traumatic encephalopathy , neurodegeneration , traumatic brain injury , neuroinflammation , medicine , neuroscience , concussion , spinal cord injury , inflammation , traumatic injury , spinal cord , dementia , pathological , pathology , poison control , psychology , disease , psychiatry , injury prevention , surgery , environmental health
Traumatic brain injury (TBI) has been linked to dementia and chronic neurodegeneration. Described initially in boxers and currently recognized across high contact sports, the association between repeated concussion (mild TBI) and progressive neuropsychiatric abnormalities has recently received widespread attention, and has been termed chronic traumatic encephalopathy. Less well appreciated are cognitive changes associated with neurodegeneration in the brain after isolated spinal cord injury. Also under-recognized is the role of sustained neuroinflammation after brain or spinal cord trauma, even though this relationship has been known since the 1950s and is supported by more recent preclinical and clinical studies. These pathological mechanisms, manifested by extensive microglial and astroglial activation and appropriately termed chronic traumatic brain inflammation or chronic traumatic inflammatory encephalopathy, may be among the most important causes of post-traumatic neurodegeneration in terms of prevalence. Importantly, emerging experimental work demonstrates that persistent neuroinflammation can cause progressive neurodegeneration that may be treatable even weeks after traumatic injury.

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