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Clinico-epidemiological study on natural history of health hazard induced by environmental exposure to cadmium

Research Project

Project/Area Number 09480121
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field 環境影響評価(含放射線生物学)
Research InstitutionToyama Medical and Pharmaceutical University

Principal Investigator

KASUYA Minoru  Toyama Medical and Pharmaceutical University, Faculty of Medicine, Professor, 医学部, 教授 (50045382)

Co-Investigator(Kenkyū-buntansha) KATOH Terutaka  Toyama Medical and Pharmaceutical University, Faculty of Medicine, Assistant Professor, 医学部, 助手 (80115162)
AOSHIMA Keiko  Toyama Medical and Pharmaceutical University, Faculty of Medicine, Assistant Professor, 医学部, 助手 (20126501)
TERANISHI Hidetoyo  Toyama Medical and Pharmaceutical University, Faculty of Medicine, Assciate Professor, 医学部, 助教授 (40115184)
Project Period (FY) 1997 – 1999
Project Status Completed (Fiscal Year 1999)
Budget Amount *help
¥12,500,000 (Direct Cost: ¥12,500,000)
Fiscal Year 1999: ¥500,000 (Direct Cost: ¥500,000)
Fiscal Year 1998: ¥3,000,000 (Direct Cost: ¥3,000,000)
Fiscal Year 1997: ¥9,000,000 (Direct Cost: ¥9,000,000)
KeywordsCadmium / Environmental pollution / Itai-itai disease / Bone mass / Renal tubular dysfunction / Urinary β2-microglobulin / Follow-up study / 尿β_2-ミクログロブリン / 骨代謝マーカー / 追跡調査 / 性差 / β_2-ミクログロブリン / 有病数 / 発生割合 / 疫学
Research Abstract

1. Effect of exposure to cadmium (Cd) on mortality was investigated. All male and female inhabitants born between 1918 and 1927 in the areas A-G and between 1914 and 1929 in the areas H-M in Toyama Prefecture were followed for 11 years between 1983-86 and 1994-97. The expected number of deaths was calculated on the basis of the sex- and 5-year-age specific mortality rates for Toyama Prefecture in 1992 or 1993. The standardized mortality ratios (SMR) were higher in men and women in the Cd-polluted areas (B-G or H-L) compared with those of the reference areas (A or M), although the differences were not significant.
2. High prevalence (18-49%) of renal tubular dysfunction (RTD), which was determined by urinary β2-microglobulin exceeding l mg/g creatinine and urinary glucose exceeding 150 mg/g creatinine, was found in both male and female inhabitants of the Cd-polluted Jinzu River basin in the 1994-97 study. No cases with RTD were observed to be recoverable over the past 11 years, despite the fact that Cd exposure had decreased.
3. The changes in bone mass ill men and women with Cd-induced RTD were evaluated. Bone mass was measured twice with a ten-year interval for 35 men and 49 women. The bone mass was estimated from bone density which was measured at the middle site of the second metacarpal bone using a digital image processing method. Metacarpal index (MCI) and metacarpal bone density (BMD) tended to decrease with increasing FE β2-m in men and women both at the beginning and at the end of the ten-year period. Bone loss rate was increased two-fold in women than in men.

Report

(4 results)
  • 1999 Annual Research Report   Final Research Report Summary
  • 1998 Annual Research Report
  • 1997 Annual Research Report
  • Research Products

    (23 results)

All Other

All Publications (23 results)

  • [Publications] Aoshima K.: "Changes in bone density in women with cadmium-induced renal tubular dysfunction : a six-year follow-up study"Archives of Complex Environmental Studies. 9. 1-8 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] 青島 恵子: "カドミウム腎症における骨代謝異常―骨芽細胞機能マーカーによる評価―"環境保健レポート. 63. 58-59 (1999)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] 青島 恵子: "カドミウム腎症における骨代謝異常―尿細管機能と骨代謝マーカー―"環境保健レポート. 64. 66-68 (1999)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] 青島 恵子: "カドミウム腎症における骨代謝異常―男性36症例における骨代謝マーカーによる評価"環境保健レポート. 65. 64-66 (1999)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] 青島 恵子: "カドミウム腎症の重症度と骨量評価―男性35症例の10年間の追跡研究―"環境保健レポート. 66. 72-74 (1999)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Aoshima K., Fan J., Kawanishi Y., Katoh T., Teranishi H., Kasuya M.: "Changes in bone density in women with cadmium-induced renal tubular dysfunction : a six-year follow-up study."Arch. Complex Environ. Studies. 9. 1-8 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Aoshima K., Fan J., Katoh T., Teranishi H., Kasuya M.: "Bone metabolism in cadmium-induced renal tubular dysfunction : assessment of biochemical markers of bone formation."Kankyo Hoken Report. 63. 58-59 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Aoshima K., Cai Y., Fan J., Katoh T., Teranishi H., Kasuya M.: "Bone metabolism in cadmium-induced renal tubular dysfunction : special reference to the degree of renal tubular dysfunction."Kankyo Hoken Report. 64. 66-68 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Aoshima K., Cai Y., Katoh T., Teranishi H., Kasuya M.: "Bone metabolism in cadmium-induced renal tubular dysfunction : assessment of biochemical markers of bone turnover in 36 male patients."Kankyo Hoken Report. 65. 64-66 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Aoshima K., Cai Y., Kawanishi Y., Katoh T., Teranishi H., Kasuya M.: "Changes in bone mass in male inhabitants of a cadmium-polluted area : a ten-year follow-up study."Kankyo Hoken Report. 66. 72-74 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] 加須屋實: "イタイイタイ病の骨X線像(症例報告その1)"環境保健レポート. 62. 219-224 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] 青島恵子: "カドミウム腎症における骨代謝異常-骨芽細胞機能マーカーによる評価"環境保健レポート. 63. 58-59 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] 青島恵子: "カドミウム腎症における骨代謝異常-尿細管機能と骨代謝マーカー"環境保健レポート. 64. 66-68 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] Aoshima K.: "Changes in bone density in women with cadmium-induced renal tubular dysfunction: a six-year follow-up study" Archives Complex Environmental Studies. 9・. 1-8 (1997)

    • Related Report
      1998 Annual Research Report
  • [Publications] 青島 恵子: "カドミウム汚染地域男性住民における骨量変化と尿細管機能ー10年間の追跡研究ー" 日本衛生学雑誌. 54・1. 153 (1999)

    • Related Report
      1998 Annual Research Report
  • [Publications] 蔡 雲清: "カドミウム汚染地域男性住民における尿細管障害の不可逆性" 日本衛生学雑誌. 54・1. 154 (1999)

    • Related Report
      1998 Annual Research Report
  • [Publications] 加須屋 實: "富山県神通川流域カドミウム汚染地住民の6年後の骨量変化と近位尿細管機能との関連" 環境保健レポート. 61. 206-207 (1997)

    • Related Report
      1998 Annual Research Report
  • [Publications] 青島恵子: "イタイイタイ病をめぐる最近の知見" 衛生化学. 43・6. 317-330 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] 青島恵子: "カドミウム腎症における骨代謝異常-骨代謝マーカーによる評価-" 産業衛生学雑誌. 39・臨時増刊号. S510 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] 樊 建単: "土壌汚染地域住民におけるカドミウム暴露と尿細管機能の11年間の変化" 産業衛生学雑誌. 39・臨時増刊号. S180 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] Keiko AOSHIMA: "Assessment of bone turnover in cadmium-induced renal tubulardysfunction by:measurement of biochemical markers:a cross-sectional study" Journal of Epidemiology. 8・1. 57 (1998)

    • Related Report
      1997 Annual Research Report
  • [Publications] Yun-Oing CAI: "An eleven-year follow-up study of renal tubular dysfunction in male inhabitants of a cadmium-polluted area in Toyama,Japan" Journal of Epidemiology. 8・1. 58 (1998)

    • Related Report
      1997 Annual Research Report
  • [Publications] 青島恵子: "カドミウム汚染地域住民における骨量変化と尿細管機能-10年間の追跡研究-" 日本衛生学雑誌. 53・1. 313 (1998)

    • Related Report
      1997 Annual Research Report

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Published: 1997-04-01   Modified: 2016-04-21  

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