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Cancer and their etiological factors among Japanese in South America

Research Project

Project/Area Number 63042013
Research Category

Grant-in-Aid for Overseas Scientific Research

Allocation TypeSingle-year Grants
SectionSpecial Cancer Research
Research InstitutionNational Cancer Center

Principal Investigator

WATANABE Shaw  National Cancer Center Research Institute, 疫学部, 部長 (60051637)

Co-Investigator(Kenkyū-buntansha) ANTONIO Mirr  サンハ゜ウロがン登録所, 所長
RUY Laurenti  サンパウロ大学, 公衆衛生学部, 学部長
ISHII Hiromasa  Keio University, School of Medicine, 医学部・内科, 助教授 (20051500)
TSUGANE Shoichiro  National Cancer Center Research Institute, 研究所・疫学部, 室長 (40179982)
MIWA Masanao  National Cancer Center Research Institute, 副所長 (20012750)
LAURENTI Ruy  Sao Paulo University, School of Public Health
MIRRA Antonio  Sao Paulo Cancer Registry
Project Period (FY) 1987 – 1988
Project Status Completed (Fiscal Year 1988)
Budget Amount *help
¥4,000,000 (Direct Cost: ¥4,000,000)
Fiscal Year 1988: ¥4,000,000 (Direct Cost: ¥4,000,000)
KeywordsJapanese immigrants / Cancer mortality / Cancer incidence / Human T-cell leukemia virus / Hepatitis B virus / Brazil / ボリビア
Research Abstract

1. Cancers among Japanese in Sao Paulo (1) Mortality: Death certificate of Japanes in Sao Paulo was analyzed for cancer death. Comparing with Japan, significant high SMR (Standardized Mortality Ratio) values were obtained in Japanes born resident for malignant neoplasm of prostate, whereas low SMR value for esophagus, rectum, liver, gallbladder and lung. (2) Incidence: 3,078 cancer cases with Japanes surnames in the Sao Paulo Cancer Registry were analyzed. Statistically significant high SPIR(Standardized Propotionate Incidence Ratio) were obtained in Japanese origin for skin, prostate and breast, while low SPIR were obtained for liver, rectum and stomach.
2. Infectious states of human T-cell Leukemia virus type 1 (HTLV-1) and hepatitis B virus (HBV) among Japanese in South America 1856 sera were measured for the infection marker of HTLV-1 and HBV. Carrier rates of HBs antigen were 5% among Japanese in Bolivia, 2.5% among Japanese in Sao Paulo and 0.5% among Bolivian. Prevalence of having anti-HTLV-1 were 20% among Japanese from Okinawa and Nagasaki, and 0% from other prefectures of Japan. It was notewothy that native Bolivian also had anti-HTLV-1.

Report

(1 results)
  • 1988 Final Research Report Summary
  • Research Products

    (8 results)

All Other

All Publications (8 results)

  • [Publications] Ohtsu,T.;et al.: Japanese Journal of Cancer Research. 78. 1347-1353 (1987)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] Tsugane,S.;et al.: American Journal of Epidemiolgy. 128. 1153-1161 (1988)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] Tsugane,S.;et al.: International Journal of Epidemiolgy. 18. (1989)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] Tsugane,S.;et al.: Japanese Journal of Health and Human Ecology. 55. (1989)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] Ohtsu T.; et al.: "Prevalence of antibodies to human T-cell leukemia/lymphoma virus type I and human immunodeficiency virus in Japanese immigrants colonies in Bolivia and Bolivian natives" Japanese Journal of Cancer Research. 78. 1347-1353 (1987)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] Tsugane. S.; et al.: "Infectious states of human T lymphotropic virus type I and hepatitis B virus among Japanese immigrants in the Republic of Bolivia" Ameriacan Journal of Epidemiolgy. 128. 1153-1161 (1988)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] Tsugane. S.; et al.: "Mortality and cause of death among first-generation Japanese in the city of Sao Paulo, Brazil" International Journal of Epidemiolgy. 18. (1989)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] Tsugane. S.; et al.: "Changes and differences in eating habits of immigrants from Okinawa and those from the Japanese mainland in the Republic of Bolivia" Japanese Journal of Health and Human Ecology. 55. (1989)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary

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Published: 1988-04-01   Modified: 2016-04-21  

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