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Effects of statin and deferoxamine administration on neurological outcomes in a rat model of intracerebral hemorrhage

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Abstract

Deferoxamine (DFX), a potent iron-chelating agent, reduces brain edema and neuronal cell injury that develop due to the hemolysis cascade. Statins have neuroprotective effects via anti-inflammatory action and increment of cerebral blood flow after intracerebral hemorrhage (ICH). The purpose of this study was to identify the effects of combined DFX and statins treatment in an experimental ICH rat model. The treatments were: intraperitoneal (i.p.) injection of DFX (group I), combined treatment of i.p. DFX and oral statins (group II), statins only (group III) and treatment with vehicle (group IV). Induction of ICH was performed with injection of bacterial collagenase type IV into the left striatum. After removal of the brain, hematoma volume, water content and brain atrophy were measured. Immunohistochemistry in the perihematomal region was performed for identification of microglial infiltration, astrocyte expression and apoptotic cell presence. Statistical analysis was performed using the non-parametric Kruskal–Wallis test and significance was evaluated when the p value was less than 0.05. According to behavioral tests, significant differences among treatment groups were noted 4 weeks after ICH induction (p < 0.05). However, there were no significant differences among treatment groups in hematoma volume, brain water content or brain atrophy. In the perihematomal area, the activated microglial cells were reduced in the combined treatment group. Among the four groups, a significant difference in immunohistochemical staining was identified (p < 0.05). These results suggest that combined treatment with DFX and statins improves neurologic outcomes after ICH through reduction of microglial infiltration, apoptosis, inflammation and brain edema.

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Acknowledgments

This work was supported by the research fund of Hanyang University (HY-2010-C).

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Authors and Affiliations

  1. Department of Neurosurgery, Hanyang University Medical Center, Seoul, Korea

    Hyoung-Joon Chun, Hyeong-Joong Yi & Young Soo Kim

  2. Department of Anesthesiology and Pain Medicine, Hanyang University Medical Center, Haengdang-dong, Sungdong-gu, Seoul, 133-792, Korea

    Dong Won Kim

  3. Department of Anatomy and Cell Biology, Hanyang University, Seoul, Korea

    Eun Hyun Kim & Se Jin Hwang

  4. Department of Neurosurgery, National Medical Center, Seoul, Korea

    Cheol-Su Jwa

  5. Department of Nursing, Redcross College, Seoul, Korea

    Yoon Kyoung Lee

  6. Department of Occupational and Environmental Medicine, Wonjin Green Hospital, Seoul, Korea

    Hyunchul Ryou

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  1. Hyoung-Joon Chun
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  2. Dong Won Kim
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  3. Hyeong-Joong Yi
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  4. Young Soo Kim
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Correspondence to Dong Won Kim.

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Chun, HJ., Kim, D.W., Yi, HJ. et al. Effects of statin and deferoxamine administration on neurological outcomes in a rat model of intracerebral hemorrhage. Neurol Sci 33, 289–296 (2012). https://doi.org/10.1007/s10072-011-0733-y

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  • DOI: https://doi.org/10.1007/s10072-011-0733-y

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