期刊
TRANSLATIONAL STROKE RESEARCH
卷 3, 期 3, 页码 357-363出版社
SPRINGER
DOI: 10.1007/s12975-012-0203-8
关键词
Chemokine; Hypoxia; Inflammation; Ischemia; MIP-3 alpha; Rodent
资金
- NIH [RO1 NS052839]
Traumatic brain injury (TBI) is complex and involves multiple processes that contribute to functional decline. Progressive neuropathies result from delayed cellular death following the initial impact. Although the precise mechanisms responsible for delayed injury are unknown, numerous data implicate a role for the peripheral immune system in perpetuating neuroinflammation after TBI. A previous report demonstrated that splenic CCL20 chemokine expression was upregulated 24 h after lateral fluid percussive impact (LFPI), prior to neuronal expression but consistent with neurodegeneration. Here, we expand on those data to report increased CCL20 protein expression in white matter 48 h after LFPI and demonstrate that CCL20 is directly toxic to primary neurons and oligodendrocytes subjected to oxygen glucose deprivation. The temporal expression profile of CCL20, coupled with in vitro toxicity to primary cells, suggests that this chemokine exerts deleterious effects on cell viability following TBI. These findings warrant further investigations into the use of CCL20 as a potential biomarker and/or therapeutic target.
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