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肥大型、及び拡張型心筋症におけるフォスフォランバン、FKBP12.6遺伝子解析

Research Project

Project/Area Number 16790414
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Circulatory organs internal medicine
Research InstitutionKanazawa University

Principal Investigator

藤野 陽  金沢大学, 医学系研究科, 講師 (40361993)

Project Period (FY) 2004 – 2006
Project Status Completed (Fiscal Year 2006)
Budget Amount *help
¥3,600,000 (Direct Cost: ¥3,600,000)
Fiscal Year 2006: ¥500,000 (Direct Cost: ¥500,000)
Fiscal Year 2005: ¥1,400,000 (Direct Cost: ¥1,400,000)
Fiscal Year 2004: ¥1,700,000 (Direct Cost: ¥1,700,000)
Keywords肥大型心筋症 / 拡張型心筋症 / フォスフォランバン遺伝子 / FKBP12.6遺伝子 / 遺伝子解析 / 遺伝子変異 / 心尖部型肥大型心筋症 / 非対称性中隔肥厚
Research Abstract

1.心筋症の試料収集ならびに家系調査:
北陸地方を中心に心筋症の調査を行い、新たに肥大型心筋症患者(発端者)10名、拡張型心筋症患者(発端者)5名を検出し、総計肥大型心筋症390家系、拡張型心筋症145家系を同定した。これらの患者に関して、計画実施案に従ってインフォームド・コンセントを得た後、家族に関する聞き取り調査、発端者ならびに家族の心電図、心臓超音波検査、遺伝子診断用採血(EDTA血10ml)を実施した。
2.フォスフォランバン及びFKBP12.6遣伝子変異の検索:
心筋症発端者に関し、末梢血白血球からgenmic DNAを抽出し、PCR-SSCP法によりフォスフォランバン遺伝子変異、およびFKBP12.6遺伝子変異のスクリーニングを行った。PCR-SSCP法にて異常バンドが認められた場合、直接シークエンス法を用いてDNA配列を解析し、RFLP法にて確認を行った。
3.検索結果:
遺伝子検索の結果、肥大型心筋症2家系、拡張型心筋症1家系でPLN遺伝子変異を検出した。肥大型心筋症家系Aの発端者:70歳男性では、変異Ile38Thrが検出された。心電図では巨大陰性T波が認められ、左室造影では典型的な心尖部型肥大型心筋症の形態が示された。肥大型心筋症家系Bの発端者は変異Ile45Va1を有し、肥大型心筋症に典型的な非対称性中隔肥厚を示した。拡張型心筋症家系Cでは、変異Argl4delが検出された。家系内3名の女性全てで変異が認められ、心臓超音波検査では左室内腔の拡大と収縮能の低下が示された。FKBP12.6遺伝子の変異も検索を行ったが、心筋症の病因となる変異は認められなかった。
4.研究成果の発表ならびに情報の収集
日本心臓病学会、日本循環器学会などの国内の循環器関連学会、およびアメリカ心臓病学会におけいて上記結果の一部を報告し、心筋症に関する最新情報の収集を行った。

Report

(3 results)
  • 2006 Annual Research Report
  • 2005 Annual Research Report
  • 2004 Annual Research Report
  • Research Products

    (13 results)

All 2007 2006 2005

All Journal Article (13 results)

  • [Journal Article] Differences in diagnostic value of various criteria of negative T waves for hypertrophic cardiomyopathy based on a molecular genetic diagnosis.2007

    • Author(s)
      Konno T, et al.
    • Journal Title

      Clin Sci (Epub)

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Unusual Left Atrial Dilatation in Genotyped Hypertrophic Cardiomyopathy : Evidence from 10 Years Follow-up of the Cardiac Troponin I Mutation Carriers2007

    • Author(s)
      Fujino N, et al.
    • Journal Title

      Circ J Vol.71 Suppl I

      Pages: 224-224

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Development of Left Ventricular Hypertrophy and Remodeling in Hypertrophic Cardiomyopathy Caused by a TNNI3 Gene Mutation : a Longitudinal Study2007

    • Author(s)
      Konno T, et al.
    • Journal Title

      Circ J Vol.71 Suppl I

      Pages: 224-224

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Progressive LV Remodeling and Adverse Cardiac Event in HCM Associated With Mutations in Cardiac Troponin Genes : Longitudinal 10 years Follow-up2007

    • Author(s)
      Tsubokawa T, et al.
    • Journal Title

      Circ J Vol.71 Suppl I

      Pages: 434-434

    • Related Report
      2006 Annual Research Report
  • [Journal Article] 特発性心筋症における遺伝子変異と臨床病型との対応2006

    • Author(s)
      藤野 陽
    • Journal Title

      医学のあゆみ Vol. 217・8

      Pages: 809-813

    • Related Report
      2006 Annual Research Report
  • [Journal Article] A Novel Missense Mutation Met1107Thr in Cardiac Ryanodine Receptor Gene is Associated with Hypertrophic Cardiomyopathy.2006

    • Author(s)
      Fujino N, et al.
    • Journal Title

      Circ J Vol.69 Suppl I

      Pages: 290-290

    • Related Report
      2005 Annual Research Report
  • [Journal Article] A novel mutation in the cardiac myosin-binding protein C gene is responsible for hypertrophic cardiomyopathy with severe ventricular hypertrophy and sudden death.2006

    • Author(s)
      Konno T, et al.
    • Journal Title

      Clin Sci 110・1

      Pages: 125-131

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Differences in diagnostic value o four electrocardiographic voltage criteria for hypertrophic cardiomyopathy in a genotyped population.2005

    • Author(s)
      Konno T, et al.
    • Journal Title

      Am J Cardiol 96・9

      Pages: 1308-1312

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Changes in cardiac tissue characterization in carriers with gene mutations associated with hypertrophic cardiomyopathy.2005

    • Author(s)
      Kaneda T, et al.
    • Journal Title

      Int J Cardiol 104・2

      Pages: 170-175

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Long-Term Course of Patients with Cardiomyopathy Associated with Phospholamban Gene Mutations2005

    • Author(s)
      Fujino N, Shimizu M, et al.
    • Journal Title

      Circ J Vol.69 Suppl I

      Pages: 317-317

    • Related Report
      2004 Annual Research Report
  • [Journal Article] Clinical Features of Hypertrophic Cardiomyopathy Caused by a Novel Val85Leu Missense Mutation in the Cardiac Troponin T Gene2005

    • Author(s)
      Fujino N, Shimizu M, et al.
    • Journal Title

      Circ J Vol.69 Suppl I

      Pages: 459-460

    • Related Report
      2004 Annual Research Report
  • [Journal Article] Gene mutations in adult Japanese patients with dilated cardiomyopathy2005

    • Author(s)
      Shimizu M, Fujino N, et al.
    • Journal Title

      Circ J 69・2

      Pages: 150-153

    • NAID

      110002696062

    • Related Report
      2004 Annual Research Report
  • [Journal Article] Differentiation between patients with takotsubo cardiomyopathy and those with anterior acute myocardial infarction2005

    • Author(s)
      Inoue M, Fujino N, et al.
    • Journal Title

      Circ J 69・1

      Pages: 89-94

    • NAID

      110002696048

    • Related Report
      2004 Annual Research Report

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Published: 2004-04-01   Modified: 2016-04-21  

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