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Effect of Natural Radiation Compared with Those of Smoking and Air-Pollution

https://repo.qst.go.jp/records/61509
https://repo.qst.go.jp/records/61509
564117aa-c575-4526-8786-80699aa15915
Item type 会議発表用資料 / Presentation(1)
公開日 2006-06-23
タイトル
タイトル Effect of Natural Radiation Compared with Those of Smoking and Air-Pollution
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_c94f
資源タイプ conference object
アクセス権
アクセス権 metadata only access
アクセス権URI http://purl.org/coar/access_right/c_14cb
著者 Chun, Yan Wang

× Chun, Yan Wang

WEKO 608549

Chun, Yan Wang

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Zhang, Wei

× Zhang, Wei

WEKO 608550

Zhang, Wei

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Minamihisamatsu, Masako

× Minamihisamatsu, Masako

WEKO 608551

Minamihisamatsu, Masako

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Deqing, Chen

× Deqing, Chen

WEKO 608552

Deqing, Chen

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Morishima, Hiroshige

× Morishima, Hiroshige

WEKO 608553

Morishima, Hiroshige

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Yongling, Yuan

× Yongling, Yuan

WEKO 608554

Yongling, Yuan

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Luxin, Wei

× Luxin, Wei

WEKO 608555

Luxin, Wei

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Sugahara, Tsutomu

× Sugahara, Tsutomu

WEKO 608556

Sugahara, Tsutomu

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Hayata, Isamu

× Hayata, Isamu

WEKO 608557

Hayata, Isamu

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王 春燕

× 王 春燕

WEKO 608558

en 王 春燕

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張 偉

× 張 偉

WEKO 608559

en 張 偉

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南久松 眞子

× 南久松 眞子

WEKO 608560

en 南久松 眞子

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早田 勇

× 早田 勇

WEKO 608561

en 早田 勇

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抄録
内容記述タイプ Abstract
内容記述 Chromosome translocation is a stable type aberration that accumulates in the body by being exposed to environmental mutagens. In order to compare the biological effect of low dose radiation with those of other environmental mutagens, we investigated the frequency of chromosome translocations in peripheral lymphocytes in 28 health healthy and elderly residents of a high-background radiation area (HBRA) in southern China, and in 24 matched residents of a control area (CA). The mean age of those residents were 63.0 in the HBRA and 63.1bin the CA. The radiation they received in the HBRA was 3 to 5 times higher than that in the CA. The total numbers of cells analyzed were 123,065 in the HBRA and 93,117 in the CA. The mean frequencies of translocations per 1,000 cells in the HBRA and CA were 12.4 +- 5.3 and 10.0 +- 3.8, respectively. No significant difference in frequency was found between the HBRA and Ca (P more than 0.05, Mann-Whitney U test). When those individuals were classified into smokers and nonsmokers, a significant difference was found in the frequencies between smokers and nonsmokers in the CA (P less than 0.05, Mann-Whitney U test). Furthermore a tendency toward difference (T-value near 0.05) was found in a comparison of smokers in the HBRA vs. nonsmokers in the CA. The present results indicate that the elevated level of natural radiation in the HBRA plays a less significant role than smoking in the induction of stable-type aberrations in those areas.
We also examined age-matched smokers living in Beijing more than 40 years to investigate the effect of air pollution. The frequencies of translocations in these subjects showed a larger individual variation than those in the rural areas.
会議概要(会議名, 開催地, 会期, 主催者等)
内容記述タイプ Other
内容記述 日本放射線影響学会第48回大会第1回アジア放射線研究会議
発表年月日
日付 2005-11-17
日付タイプ Issued
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