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A trial of neurofunctional recovery after brain damage by neurotrophic factor and neural transpolant.

Research Project

Project/Area Number 05671193
Research Category

Grant-in-Aid for General Scientific Research (C)

Allocation TypeSingle-year Grants
Research Field Cerebral neurosurgery
Research InstitutionKinki University

Principal Investigator

KATAOKA Kazuo  Kinki University school of medicine, Associate professor, 医学部, 講師 (10221178)

Co-Investigator(Kenkyū-buntansha) TANEDA Mamoru  Kinki University school of medicine, Professor, 医学部, 教授 (10236713)
KONDOH Sumio  Kinki University school of medicine, Assistant professor, 医学部, 助手 (30225619)
井奥 匡彦  近畿大学, 医学部, 教授 (80088541)
Project Period (FY) 1993 – 1995
Project Status Completed (Fiscal Year 1995)
Budget Amount *help
¥2,300,000 (Direct Cost: ¥2,300,000)
Fiscal Year 1995: ¥700,000 (Direct Cost: ¥700,000)
Fiscal Year 1994: ¥800,000 (Direct Cost: ¥800,000)
Fiscal Year 1993: ¥800,000 (Direct Cost: ¥800,000)
KeywordsBrain damage / Cerebral infarction / Neural function / Neuronal network / Neurotrophic factor / 大脳皮質 / 視床 / 線条体 / 黒質 / マイクログリア
Research Abstract

Damage of cortex results in progressive degeneration in the ipsilateral thalamus. Ischemic damage to the striatum leads to remote pathological changes in the ipsilateral substantia nigra. It has been expected that these degenerations are improved by neurotrophic factors or neural transplant. We studied the metabolic, functional and morphological changes in the thalamus or the substantia nigra following cortical damage or striatal damage, respectively. We also studied the effects of basic fibroblast growth factor (b-FGF), one of neurotrophic factors, on the thalamic neurons.
Cortical ablation resulted in degeneration of the thalamus in rats. Single unit recording revealed depression of synaptic transmission in the thalamic neurons after cortical ablation. The b-FGF ameliorated the thalamic degeneraiton, however, the synaptic transmission of the thalamic neurons was not improved by the b-FGF.Cortical infarction also caused degeneration of the thalamus in rats. Deoxyglucose autoradiographic study showed abnormal hypermetabolism of the thalamus in the chronic stage (1 month after cortical infarction) following hypometabolism in the acute stage (3,7 days after cortical infarction) in rats. Immunohistochemical study suggested that this hypermetabolism of the thalamus was attributed to the microglial reaction. Striatal infarction resulted in transneuronal degeneration of the substantia nigra in rats. We also observed glucose hypermetabolism in the ipsilateral substantia nigra 7 days after striatal infarction. However, Single unit recording showed no hyper-exciting substantia nigra neurons 7 and 14 days after striatal infarction.

Report

(4 results)
  • 1995 Annual Research Report   Final Research Report Summary
  • 1994 Annual Research Report
  • 1993 Annual Research Report
  • Research Products

    (11 results)

All Other

All Publications (11 results)

  • [Publications] 若山暁: "Evaluation of masked neurological disorders in the chronic stage after middle cerebral artery occlusion in rats." Neurol Med Chir. 33. 801-808 (1993)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] 片岡和夫: "Treatment of severe localized cerebral vasospasm following recurrent hemorrhage from middle cerebral artery aneurysm." Neurol Med Chir. 33. 830-832 (1993)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] 片岡和夫: "Immunohistochemical,electrophysiological,and metabolic changes in substantia nigra pars reticulata after striatal infarction in rats." J Cereb Blood Flow Metab. 15(Suppl.1). S352 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] 朝井俊治: "Electrophysiological changes in substantia nigra after striatal infarction." NeuroReport. 7. 165-168 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Wakayama A,Kataoka K,Taneda M,Yamada K,Hayakawa T: "Evaluation of masked neurological disorders in the chronic stage after middle cerebral artery occlusion in rats. Methamphetamine-induced rotation and regional glucose metabolism in basal ganglia." Neurologia Medico-Chirurgica. 33. 801-808 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Kataoka K,Niiyama K,Uejima T,Kuroda R,Ioku M,Yamada K,Taneda M,Hayakawa T: "Treatment of severe localized cerebral vasospasm following recurrent hemorrhage from middle cerebral artery aneurysm." Neurologia Medico-Chirurgica. 33. 830-832 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Kataoka K,Yamada K,Tokuno T,Kondo S,Asai T,Chichibu S,Taneda M,Hayakawa T,Kuroda R,Ioku M: "Neurofunctional changes in thalamic neurons after cortical ablation in adult rats : Effect of basic fibroblast growth factor upoun thalamic neurons." Recent Advances in Neurotraumatology. 227-231 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Kataoka K,Asai T,Kondoh S,Tokuno T,Taneda M,Chichibu S: "Immunohistochemical, electrophysiological, and metabolic changes in substantia nigra pars reticulata after striatal infarction in rats." Journal of Cerebral Blood Flow Metabolism. 15 (Suppl 1). S352 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Asai T,Kataoka K,Tokuno T,Chichibu S,Taneda M: "Electrohysiological changes in substantia nigra after striatal infarction." NeuroReport. 7. 165-168 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] 片岡和夫: "Immunohistochemical, electrophysiological, and metabolic changes in substantia nigra pars reticulata sfter striatal infarction in rats" J Cereb Blood Flow Matab. 15(suppl). S352- (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] 朝井俊治: "Electrophysiological changes in substantia nigra sfter striatal infraction" Neuro Report. 7. 165-168 (1995)

    • Related Report
      1995 Annual Research Report

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Published: 1993-04-01   Modified: 2016-04-21  

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