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Study of mechanism of ischemic neuronal death.a molecular biological approach

Research Project

Project/Area Number 06404051
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section一般
Research Field Cerebral neurosurgery
Research InstitutionTeikyo Univ.School of Med.

Principal Investigator

TAMURA Akira  Teikyo Univ.School of Med, Neurosurgery, Prof, 医学部, 教授 (80111532)

Co-Investigator(Kenkyū-buntansha) MATSUNO Akira  Teikyo Univ School of Med, Dept of Neurosurgery, Assistant Prof, 医学部, 講師 (00242058)
NAGASHIMA Tadashi  Teikyo Univ School of Med, Dept of Neurosurgery, Prof, 医学部, 教授 (70217991)
KANEMITSU Hideaki  Teikyo Univ School of Med, Neurosurgery, Assistant Prof, 医学部, 講師 (10129992)
NAKAYAMA Hitoshi  Teikyo Univ School of Med, Neurosurgery, Associate Prof, 医学部, 助教授 (00147050)
NAKAGOMI Tadayoshi  Teikyo Univ School of Med, Neurosurgery, Associate Prof, 医学部, 助教授 (90198052)
古屋 一英  帝京大学, 医学部, 助手 (40281373)
川合 謙介  帝京大学, 医学部, 助手 (70260924)
戸向 則子  帝京大学, 医学部, 教務職 (30192214)
Project Period (FY) 1994 – 1997
Project Status Completed (Fiscal Year 1997)
Budget Amount *help
¥29,000,000 (Direct Cost: ¥29,000,000)
Fiscal Year 1997: ¥5,000,000 (Direct Cost: ¥5,000,000)
Fiscal Year 1996: ¥5,000,000 (Direct Cost: ¥5,000,000)
Fiscal Year 1995: ¥9,400,000 (Direct Cost: ¥9,400,000)
Fiscal Year 1994: ¥9,600,000 (Direct Cost: ¥9,600,000)
Keywordsischemic neuronal death / delayd neuronal death / apoptosis / remote neuronal damage / gene expression / MRI / sphingolipids / ceramide / ストレス蛋白質 / 神経栄養因子 / ラット / マウス / 蛋白代謝 / 黒質 / アセチルコリン / GAP-43 / c-myc / 脳温度 / 遠隔部 / apoptosis / 実質
Research Abstract

We found that there are four types of neuronal death following cerebral ischemia, such as ultra-early-type ischemic neuronal injury in the thalamic reticular nucleus, classical acute ischemic neuronal death due to energy failure, delayd neuronal death which is considered to be related to apoptosis, slowly progressive neuronal death in remote areas from focal cerebral infarction. Mechanisms of teses types of nuronal death after cerebral ischemia were studied as follows.
We tried to detect the remote changes using MRI after MCA occlusion in the rat. Then, we found that, in areas remote from a primary ischemic lesion, there are two types of secondary degeneration with MR imaging.
Possible induction of mRNAs for proto-oncogene c-myc and s-myc and oncosupressor gene p53, which are known to induce apoptosis, and protooncogene bcl-2, which inhibits apoptosis, was examined following focal ischemia in the rat. The c-myc gene expression was rapidly and markedly induced in a timedependent manner. The results indicate a possibility that high level expression of the c-myc gene may be involved in the ischemic cellular events including apoptosis.
It is recently suggested that ceramide, generated by sphingomyelin degradation, plays a role as a second messenger in apoptosis. Level of ceremide, sphingomyelin, cerebroside and gangliosides were determined in rat cerebral cortex during focal ischemia. Ceramide began to increase at 6 hours of ischemia. Aminolinked fatty acids in increased ceramide were composed solely of non-hydroxy fatty acids, and stearic acid was the most prominent. Sphingomyelin, whose aminolinked fatty acids were mostly stearic acid, decreased in a time-dependent manner. The results suggested that ceramide was produced in the cerebral cortex by the breakdown of sphingomyelin during early ischemia.

Report

(5 results)
  • 1997 Annual Research Report   Final Research Report Summary
  • 1996 Annual Research Report
  • 1995 Annual Research Report
  • 1994 Annual Research Report
  • Research Products

    (46 results)

All Other

All Publications (46 results)

  • [Publications] Kubota M: "Sphingomyelin changes in rat cerebral cortex during focal ischemia." Neurol Res.18. 337-341 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Nakagomi T: "Up-regulation of c-myc gene expression following focal ischemia in the rat brain." Neurol Res. 18. 559-563 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Mishima K: "Regional distribution of heparin-binding epidermal growth factor-like growth factor mRNA and protein in adult rat forebrain." Neuroscience Letters. 213. 153-156 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Fukuya K: "Growth-associated protein GAP-43 detection in the neuronal somata following middle cerebral artery occlution in the rat" Neurol Res. 19. 160-164 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Nakanishi H: "Electrophysiological studies of rat substantia nigra neurons in an in vitro slice preparation after middle cerebral artery." Neuroscience. 77. 1021-1028 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] 金光 秀晃: "局所脳虚血後のラット脳におけるアセチルコリンとその関連酵素活性の経時変化" 脳と神経. 50. 39-44 (1998)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Kanemitsu H,Kirino T,Nakagomi T,Tsujita T,Iwamoto T,Tomich JM,Tamura A: "Key of induced tolerance to ischaemia in gerbil hippocampal CAI is not at transcriptional level of hsp70 gene : in situ hybridization of hsp70 mRNA." Neurol Res. 16. 209-212 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Hirakawa M,Tamura A,Nagashima H,Nakayama H,Sano K: "Disturbance of retention of memory after focal cerebral ischemia in rats" Stroke. 25. 2471-2475 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Okada M,Tamura A,Urae A,Nakagomi T,Kirino T,Mine K,Fujiwara M: "Long-term spatial cognitive impairment following middle cerebral artery occlusion in rats. A behavioral study." J Cereb Blood Flow and Metabol. 15. 505-512 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Okada M,Nakanishi H,Tamura A,Urae A,Mine K,Yamamoto K,Fujiwara M: "Long-term spatial cognitive impairment after middle cerebral artery occlusion in rats : No involvement of the hippocampus." J Cereb Blood Flow and Metabol. 15. 1012-1021 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Morimoto T,Ide T,Ihara Y,Tamura A,Kirino T: "Transient ischemia depletes free ubiquitin in the gerbil hippocampal CAI neurons." AJP. 148. 249-257 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Inuzuka T,Hozumi I,Tamura A,Hiraiwa M,Tsuji S: "Patterns of growth inhibitory factor (GIF) and glial fibrillary acidie portein relative level changes differ following left middle cerebral artery occlusion in rats." Brain Res. 709. 151-153 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Kubota M,Narita K,Nakagomi T,Tamura A,Shimasaki H,Ueta N,Yoshida S: "Sphingomyelin changes in rat cerebral cortex during focal ischemia." Neurol Res. 18. 337-341 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Yonemori F,Yamada H,Yamaguchi T,Uemura A,Tamura A: "Spatial memory disturbance after focal cerebral ischemia in rats." J Cereb Blood flow and Metabol. 16. 973-980 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Nakagomi T,Asai A,Kanemitsu H,Narita K,Kuchino Y,Tamura A,Kirino T: "Up-regulation of c-myc gene expression following focal ischemia in the rat brain." Neural Res. 18. 559-563 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Mishima K,Higashiyama S,Nagashima Y,Miyagi Y,Tamura A,Kawahara N,Taniguchi N,Asai A,Kuchino Y: "Regional distribution of heparin-binding epidermal growth factor-like growth factor mRNA and protein in adult rat forebrain." Neuroscience Letters. 213. 153-156 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Furuya K,Kawai K,Asai A,Tamura A: "Growth-associated protein GAP-43 detection in the neuronal somata following middle cerebral artery occlusion in the rat." Neurological Res. 19. 160-164 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Nakanishi H,Tamura A,Kawai K,Yamamoto K: "Electrophysiological studies of rat subatantia nigra neurons in an in vitro slice preparation after middle cerebral artery occlusion." Neuroscience. 77. 1021-1028 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Nakane M,Tamura A,Nagaoka T,Hirakawa K: "MR detection of secondary changes remote from ischemia : Preliminary observations after occlusion of the middle cerebral artery in rats." AJNR. 18. 945-950 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Kanemitsu H,Nakagomi T,Tamura A: "Changes of acetylcholine and choline levels, acetylcholine related enzyme activities in rat brain following cerebral ischemia." J Cerbral Blood Flow and Metabol. 17 (suppl.1). S530 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Kawahara N,Mishima N,Higashiyama A,Tamura A: "Differential regulation of members of EFG family, hyparin-binding EGF-like growth factor (HB-EGF) and TGF-alpha, after cerebral ischemia." J Cerbral Blood Flow and Metabol. 17 (suppl.1). S787 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Kawai K,Nakagomi T,Kirino T,Tamura A,Kawai N: "Ischemic preconditioning in vivo prevents post-anoxic potentiation of NMDA-mediated response in gerbil hippocampal slice." J Cerbral Blood Flow and Metabol. 7 (suppl.1). S209 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Kubota M,Nakane M,Narita K,Nakagomi T,Tamura A,Hisaki H,Shimasaki H,Ueta N: "Arachidonic acid accumulation following transient forebrain ischemia in gerbil hippocampus with induced tolerance." J Cerbral Blood Flow and Metabol. 17 (suppl.1). S427 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Nakagomi T,Kanemitsu H,Takagi K,Kubota M,Narita K Nagashima H,Tamura A: "Increased protein synthesis in the ipsilateral substantia nigra after focal ischemia in the rat." J Cerbral Blood Flow and Metabol. 17 (suppl.1). S51 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Nakane M,Kubota M,Nakagomi T,Tamura A,Hisaki H,Shimasaki H,Ueta N: "Sphingomyelin levels of hippocampus after transient forebrain ischemia in the gerbil." J Cerbral Blood Flow and Metabol. 17 (suppl.1). S426 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Nakane M,Nakayama H,Tamura A,Teraoka A,Nagaoka T,Hirakawa K: "MRI detection of the secondary changes remote from ischemia." J Cebral Blood Flow and Metabol. 17 (suppl.1). S261 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Nakanishi H,Kawai K,Tamura A: "Electrophysiological changes in substantia nigra neurons after middle cerebral artery occlusion in the rat" J Cebral Blood Flow and Metabol. 17 (suppl.1). S657 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Nakagomi T,Kanemitsu H,Takagi K,Morikawa E,Kirino T,Tamura A: "Effect of L-arginic and NG-nitro-L-arginine on delayd neuronal death in the gerbil hippocampus." Neurol Res. 19. 426-430 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Kubota M,Nakane M,Narita K,Nakagomi T,Tamura A,Hisaki H,Shimasaki H,Ueta N: "Mild hypothermia reduces the rate of metabolism of arachidonic acid following postischemic reperfusion." Brain Res. 779. 297-300 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Nakagomi T,Kanemitsu H,Tamura A: "Enhanced protein synthesis in the ipsilateral substantianigra following middle cerebral artery occlusion in the rat." Acta neuropathol. (in Press). (1998)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Kawai K,Nakayama H,Tamura A: "Limited but significant protective effect of hypothermia on ultr-early -type ischemic neuronal injury in the thalamus." J Cereb Blood Flow Metab. 17. 543-552 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Kawai K,Nakagomi T,Kirino T,Tamura A,Kawai N: Electrophysiological evaluation of ischemic tolerance phenomenon. Ito U,Kirino T,Kuroiwa T,Klatzol (eds) Maturation Phenomenon in Cerebral Ishemia II.Springer-Verlag Berlin Heidelberg, (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Tamura A,Nagashima H,Hirakawa M,Nagashima Y,Nakayama H,Yonemori F,Okda M,Fujiwara M,Sano K: Behavioral changes after cerebral infarction in the rat : Long-term spatial cognitive impairment and cerebral acetylcholine levels. Ito U et al Maturation Phenomenon in Cerebral Ischemia II.Springer-Verlag, Berlin, Heidelberg, 169-175 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Tamura A,Nakayama H: Neuronal damage in remote areas after focal cerebral infarct : retrograde degeneration and transsynaptic death.Primer on Cerebrovascular Diseases. Academic Press, 111-113 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Kawai K,Nakagomi T,Kirino T,Tamura A,Kawai N: Electrophysiological evaluation of ischemic tolerance phenomenon. Ito U (eds) ea Maturation Phenomenon in Cerebral Ischemia II.Springer-Verlag, Berlin Heidelberg, (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Kubota M,Nakane M,Narita K,Ishii T,Nakayama T,Nakagomi T,Tamura A,Hisaki H,shimasaki H,Ueta N: Sphingomyelin changes during transient forebrain ischemia. Differences between lethal and sub-lethal ischemia. 11th International Congress of Neurological Surgery.Monduzzi Editore, Bologna (Italy), 1845-1849 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Tamura A,Nakayama H,Narita K,Nagashima H,Nagashima Y,Ishii T,sano K: CVD Grand Round Series Vol.4 Experimetanl model grand round. "Rat middle cerebral artery occlusion models". Neuron Publishing Co.Ltd.Tokyo, 75-90 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Kubota M: "Arachidonic acid accumlation following transient forebrain ischemia in gerbil hippocampus with induced tolerance." J Cerebral Blood Flow and Metabolism. 17(suppl). S427 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] Nakane M: "Sphingomyelin levels of hippocampus after transient forebrain ischemia in the gerbil" J Cerebral Blood Flow and Metabolism. 17(suppl). S426 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] Kawai K: "Limited but significant protective effect of hypothermia on ultra-early-type ischemic neuronal injury in the thalamus." J Cerebral Blood Flow and Metabolism. 17. 543-552 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] 金光 秀晃: "局所脳虚血後のラット脳におけるアセチルコリンとその関連酵素活性の経時的変化" 脳と神経. 50. 39-44 (1998)

    • Related Report
      1997 Annual Research Report
  • [Publications] Nakagomi T: "Enhanced protein synthesis in the ipsilateral substantia nigra following miggle cerebral artery occlusion in the rat." Acta Neuropath. (in press).

    • Related Report
      1997 Annual Research Report
  • [Publications] Katuta K, Tamura A, et al: "The Neuroprotective effect of the novel noncompetitive NMDA antagonist. FR 115427 in Focal" J. of Cereb Blood Flow and Metabol. 15. 345-348 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] Okada M, Tamura A, et al: "Long-term spatial cognitive impairment following middle cerebral artery occlusion in rats. A behavioral study" J of Cereb Blood Flow and Metabol. 15. 505-512 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] Nakagomi T, Tamura A, et al: "Up-regulation of c-myc gene expression following focal ischemia in the rat brain" Neurological Res.(in press). (1996)

    • Related Report
      1995 Annual Research Report
  • [Publications] 中込忠好.田村晃: "Ischemia Grand Round CVD Grand Round Series Vo12" 編集;桐野高明, 114 (1995)

    • Related Report
      1995 Annual Research Report

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Published: 1994-04-01   Modified: 2016-04-21  

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