Abstract
The purpose of this study was to investigate the early effects of granulocyte-colony stimulating factor (G-CSF) on myeloperoxidase (MPO) activity, lipid peroxidation (LPO) and ultrastructural findings in rats after spinal cord injury (SCI). We also compared the effects of G-CSF and methylprednisolone sodium succinate (MPSS). Wistar rats were divided into four groups: control, SCI alone (50 g/cm weight drop trauma), SCI + MPSS (30 mg/kg), and SCI + G-CSF (50 μg/kg). Administration of G-CSF and MPSS significantly decreased LPO ( p < 0.05) and MPO activity ( p < 0.05) in the first 24 hours. MPSS was more effective than G-CSF in reducing LPO ( p < 0.05) and in minimizing ultrastructure changes. The results of this study indicate that G-CSF exerts a beneficial effect by decreasing MPO activity and LPO and may reduce tissue damage in the first 24 hours after SCI. Our findings do not exclude the possibility that G-CSF has a protective effect on spinal cord ultrastructure after the first 24 hours following SCI.
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