Neuroprotective Effects of Hydrogen Saline in Neonatal Hypoxia-ischemia Rat Model
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DOI:
10.1016/j.brainres.2008.11.048
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Abstract:
Cerebral hypoxia-ischemia (HI) represents a major cause of brain damage in the term newborn. This study aimed to examine the short and long-term neuroprotective effect of hydrogen saline (H(2) saline) using an established neonatal HI rat pup model. Seven-day-old rat pups were subjected to left common carotid artery ligation and then 90 min hypoxia (8% oxygen at 37 degrees C). H(2) saturated saline was administered by peritoneal injection (5 ml/kg) immediately and again at 8 h after HI insult. At 24 h after HI, the pups were decapitated and brain morphological injury was assessed by 2,3,5-triphenyltetrazolium chloride (TTC), Nissl, and TUNEL staining. Acute cell death, inflammation and oxidative stress were evaluated at 24 h by studying caspase-3 activity, MDA measurement as well as Iba-1 immunochemistry in the brain. At 5 weeks after HI, spontaneous activity test and Morris water maze test were conducted. We observed that H(2) saline treatment reduced the caspase activity, MDA, Iba-1 levels, the infarct ratio, and improved the long-term neurological and neurobehavioral functions. H(2) saline has potentials in the clinical treatment of HI and other ischemia-related cerebral diseases.| Publish Year | 2008 |
|---|---|
| Country | China |
| Rank | Positive |
| Journal | Brain Research |
| Primary Topic | Brain |
| Secondary Topic | Brain Injury |
| Model | Rat |
| Tertiary Topic | Hypoxia-Ischemia |
| Vehicle | Saline (Dissolved) |
| pH | Neutral |
| Application | Injection |
| Comparison | |
| Complement |