ArticleJournal of neuropathology and experimental neurology2016
Delayed Hypoxemia Following Traumatic Brain Injury Exacerbates White Matter Injury.
Article in Journal of neuropathology and experimental neurology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 18 citations in OpenAlex.
- Dysregulated brain-gut axis in the setting of traumatic brain injury: review of mechanisms and anti-inflammatory pharmacotherapies.Journal of neuroinflammation · 2024Review
- Recombinant Erythropoietin Induces Oligodendrocyte Progenitor Cell Proliferation After Traumatic Brain Injury and Delayed Hypoxemia.Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2023Article
- Chemogenetic inhibition of amygdala excitatory neurons impairs rhEPO-enhanced contextual fear memory after TBI.Neuroscience letters · 2023Article
- A single mild juvenile TBI in male mice leads to regional brain tissue abnormalities at 12 months of age that correlate with cognitive impairment at the middle age.Acta neuropathologica communications · 2023Article
- Recombinant human erythropoietin induces neuroprotection, activates MAPK/CREB pathway, and rescues fear memory after traumatic brain injury with delayed hypoxemia in mice.Brain research · 2022Article
- Acute minocycline administration reduces brain injury and improves long-term functional outcomes after delayed hypoxemia following traumatic brain injury.Acta neuropathologica communications · 2022Article
- Very early environmental enrichment protects against apoptosis and improves functional recovery from hypoxic-ischemic brain injury.Frontiers in molecular neuroscience · 2022Article
- modCHIMERA: a novel murine closed-head model of moderate traumatic brain injury.Scientific reports · 2018Article
- Delayed Hypoxemia after Traumatic Brain Injury Exacerbates Long-Term Behavioral Deficits.Journal of neurotrauma · 2018Article
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
Abstract
Hypoxemia immediately following traumatic brain injury (TBI) has been observed to exacerbate injury. However, it remains unclear whether delayed hypoxemia beyond the immediate postinjury period influences white matter injury. In a retrospective clinical cohort of children aged 4-16 years admitted with severe TBI, 28/74 (35%) patients were found to experience delayed normocarbic hypoxemia within 7 days of admission. Based on these clinical findings, we developed a clinically relevant mouse model of TBI with delayed hypoxemia by exposing 5-week old (adolescent) mice to hypoxic conditions for 30 minutes starting 24 hours after moderate controlled cortical impact (CCI). Injured mice with hypoxemia had increased axonal injury using both β-amyloid precursor protein and NF200 immunostaining in peri-contusional white matter compared with CCI alone. Furthermore, we detected increased peri-contusional white matter tissue hypoxia with pimonidazole and augmented astrogliosis with anti-glial fibrillary acidic protein staining in CCI + delayed hypoxemia compared with CCI alone or sham surgery + delayed hypoxemia. Microglial activation as evidenced by Iba1 staining was not significantly altered by delayed hypoxemia. These clinical and experimental data indicate the prevention or amelioration of delayed hypoxemia effects following TBI may provide a unique opportunity for the development of therapeutic interventions to reduce axonal injury and improve clinical outcomes.
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