期刊
JOURNAL OF CEREBRAL BLOOD FLOW AND METABOLISM
卷 32, 期 10, 页码 1888-1896出版社
SAGE PUBLICATIONS INC
DOI: 10.1038/jcbfm.2012.83
关键词
chemokines; cytokines; hypoxic-ischemic brain injury; induced hypothermia
资金
- National Institutes of Neurologic Disorders and Stroke [R01 NS38602]
Inflammatory cytokines may mediate hypoxic-ischemic (HI) injury and offer insights into the severity of injury and the timing of recovery. In our randomized, multicenter trial of hypothermia, we analyzed the temporal relationship of serum cytokine levels in neonates with hypoxic-ischemic encephalopathy (HIE) with neurodevelopmental outcome at 12 months. Serum cytokines were measured every 12 hours for 4 days in 28 hypothermic (H) and 22 normothermic (N) neonates with HIE. Monocyte chemotactic protein-1 (MCP-1) and interleukins (IL)-6, IL-8, and IL-10 were significantly higher in the H group. Elevated IL-6 and MCP-1 within 9 hours after birth and low macrophage inflammatory protein la (MIP-1a) at 60 to 70 hours of age were associated with death or severely abnormal neurodevelopment at 12 months of age. However, IL-6, IL-8, and MCP-1 showed a biphasic pattern in the H group, with early and delayed peaks. In H neonates with better outcomes, uniform down modulation of IL-6, IL-8, and IL-10 from their peak levels at 24 hours to their nadir at 36 hours was observed. Modulation of serum cytokines after HI injury may be another mechanism of improved outcomes in neonates treated with induced hypothermia. Journal of Cerebral Blood Flow & Metabolism (2012) 32, 1888-1896; doi:10.1038/jcbfm.2012.83; published online 18 July 2012
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