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1997 Fiscal Year Final Research Report Summary

Risk factors for cerebral amyloid angiopathy

Research Project

Project/Area Number 08670698
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Neurology
Research InstitutionTokyo Medical and Dental University

Principal Investigator

YAMADA Masahito  Tokyo Medical and Dental University, Neurology, Research Associate, 医学部, 助手 (80191336)

Co-Investigator(Kenkyū-buntansha) MATSUSHITA Masaaki  Tokyo University, Psychiatry, Professor, 医学部, 教授 (70090404)
YAMADA Masahito  Tokyo Medical and Dental University, Neurology, Research Associate (80191336)
Project Period (FY) 1996 – 1997
KeywordsCerebral anyloid angiopathy / Risk factor / Genetic polymorphism / Apolipoprotein E / presenilin-1 / Immune reaction / Granulomatous angiitis / Dementia
Research Abstract

In a search for genetic risk factor of sporadic CAA of Abeta type, we investigated associaltions of apolipoprotein E (APOE) genotype and presenilin-1 (PS-1) polymorphism with CAA in the Japanese elderly subjects.
We found no significant association between APOE genotype and severity of CAA.The result was in contrast with the reports from the United States that the APOE _<epsilon>4 was a definite risk factor for CAA.
While, as for PS-1 polymorphism, a significant decrease of PS-1 2/2genotype frequency was associated with severe or moderate CAA.Our results suggested that the PS-1 2/2 genotype might be associated with lower risk of CAA.
(2) Immune reactions associated with CAA :
In order to elucidate immune reactions associated with CAA,we analyzed markers of immune cells in sporadic Abeta amyloid angiopathy, CAA with granulomatus angiitis, and lcelandic cystatin C amyloid angiopathy. Both the Abeta and cystatin C amyloid angiopathies were commonly associated with an increase or activation of monocyte/macrophage lineage cells. Prominent reactions of monocyte/macrophage lineage cells admixed with CD4+ and CD8+ T cells were found in Abeta amyloid angiopathy with granulomatous angiitis. Regulation of such imunological factors might be implicated in the therapeutic approach.
(3) Dementia associated with CAA :
We analyzed dementia associated with sporadic CAA of Abeta type. The results indicated that, among demented patients with severe CAA,there was the vascular variant fo Alzheimer's disease characterized by severe plaque-like Abeta angiopathy.

  • Research Products

    (16 results)

All Other

All Publications (16 results)

  • [Publications] Yamada M et al.: "Lack of the association between apolipoprotein E and cerebral amyloid angiopathy in the elderly Japanese." Annals of Neurology. 39. 683-683 (1996)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Yamada M et al.: "Apolipoprotein E genotype in elderly nondernented subjects without senile changes in the brain." Annals of Neurology. 40. 243-245 (1996)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Yamada M et al.: "Immune reactions associated with cerebral amyloid angiopathy." Stroke. 27. 1155-1162 (1996)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Yamada M et al.: "Vascular variants of Alzheimer's disease characterized by severe plaque-like β-protein angiopathy." Dementia and Geriatric Cognitive Disorders. 8. 163-168 (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Itoh Y and Yamada M: "Cerebral amuloid angiopathy in the elderly:the clinicopathological features,pathogenisis,and riskfactors" Journal of Medocal and Dental Sciences. 44. 11-19 (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Yamada M et al.: "Association of presenilin-1 polymorphism with cerebral amyloid angiopathy in the elderly" Stroke. 28. 2219-2221 (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 山田 正仁: "脳アミロイド・アンギオパチー" Medical Practice. 13. 575-577 (1996)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 山田 正仁: "脳アミロイド・アンギオパチー" 臨床精神医学. 25. 1401-1403 (1996)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 山田 正仁: "アミロイド・アンギオパチー" 総合臨床. 46. 97-103 (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 山田 正仁: "脳アミロイド・アンギオパチー" 老化と疾患. 10. 321-329 (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Yamada M,Itoh Y,Otomo E,Suematsu N,Matsushita M.: "Lack of the association between apolipoprotein E and cerebral amyloid angiopathy in the elderly Japanese." Ann Neurol. 39. 683 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Yamada M,Itoh Y,Shintaku M,Kawanura J,Jensson O,Thornsteinsson L,Matsushita M.Suematsu N,Otomo E.: "Immune reactions associated with cerebral amyloid angiopathy" Stroke. 27. 1155-1162 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Yamada M,Itoh Y,Otomo E,Suematsu N,Matsushita M.: "Apolipoprotein E genotype in elderly non-demented subjects without senile changes in the brain." Ann Neurol. 40. 243-245 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Yamada M,Itoh Y,Suematsu N,Otomo E,Matsushita M.: "Vascular variant of Alzheimer's disease characterized by severe plaque-like beta protein angiopathy." Dement Geriatr Cogn Disord. 8. 163-168 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Itoh Y,Yamada M.: "Cerebral amyloid angiopathy in the elderly : the clinicopathological features, pathogenesis, and risk factors." J Med Dent Sci. 44. 11-19 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Yamada M,Sodeyama N,Itoh Y,suematsu N,Otomo E,Matsushita M,Mizusawa H.: "Association of presenilin-1 polymorphism with cerebral amyloid angiopathy in the elderly." Stroke. 28. 2219-2221 (1997)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 1999-03-16  

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