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Treatment of Mammalian Spinal Cord Injury With Antioxidants

Treatment of Mammalian Spinal Cord Injury With Antioxidants

N E Naftchi

Int J Dev Neurosci. 1991;9(2):113-26.

PMID: 2058414

Abstract:

After spinal cord injury, two groups of cats were treated with a combination of methylprednisolone sodium succinate (MP, 35 mg/kg) and epsilon-aminocaproic acid (EACA, 350 mg/kg), and guanabenz acetate (0.65 mg/kg). Guanabenz acetate was administered twice daily for 8 weeks. In the first group, the treatment significantly increased blood flow in the abdominal aorta. All cats treated with guanabenz acetate 3 hr after spinal cord contusion had return of micturition and none suffered complete paraplegia. Four animals had partial and the other four had complete motor recovery. A superoxide (O2-.) generating system, horseradish peroxidase, decreased [14C]gamma amino butyric acid uptake by mouse cortical slices by 33% but when superoxide dismutase was added to the medium, the uptake was reduced by only 9%. The nerve endings were also protected by superoxide dismutase from morphologic damage by O2-. as observed by electron microscopy. The agents used in these studies produce their ameliorating effects by virtue of their anti-inflammatory, antioxidant, and membrane stabilizing properties, and enhancing the regional microcirculation. In addition to having these properties, guanabenz acetate is also an alpha 2 adrenoceptor agonist.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP23256500-A	Guanabenz acetate		23256-50-0	Price

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