Radioprotective Effects of Miso (Fermented Soy Bean Paste) Against Radiation in B6C3Fl Mice : Increased Small Intestinal Crypt Survival, Crypt Lengths and Prolongation of Average Time to Death

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タイトル ( eng )
Radioprotective Effects of Miso (Fermented Soy Bean Paste) Against Radiation in B6C3Fl Mice : Increased Small Intestinal Crypt Survival, Crypt Lengths and Prolongation of Average Time to Death
作成者
Ohara Masayuki
Lu Huimei
Shiraki Katsutomo
Ishimura Yoshimasa
Uesaka Toshihiro
Katoh Osamu
Watanabe Hiromitsu
収録物名
Hiroshima Journal of Medical Sciences
50
4
開始ページ 83
終了ページ 86
収録物識別子
[PISSN] 0018-2052
[EISSN] 2433-7668
[NCID] AA00664312
抄録
The radioprotective effect of miso, a fermentation product from soy bean, was investigated with reference to the survival time, crypt survival and jejunum crypt length in male B6C3F1 mice. Miso at three different fermentation stages (early-, medium- and long-term fermented miso) was mixed in MF diet into biscuits at 10% and was administered from 1 week before irradiation. Animal survival in the long-term fermented miso group was significantly prolonged as compared with the short-term fermented miso and MF cases after 8 Gy of 60Co-γ-ray irradiation at a dose rate of 2Gy min-1. Delay in mortality was evident in all three miso groups, with significantly increased survival. At doses of 10 and 12 Gy X-irradiation at a dose rate of 4 Gy min-1 the treatment with long-term fermented miso significantly increased crypt survival. Also the protective influence against irradiation in terms of crypt lengths in the long-term fermented miso group was significantly greater than in the short-term or medium-term fermented miso and MF diet groups. Thus, prolonged fermentation appears to be very important for protection against radiation effects.
著者キーワード
Radiation protection
Miso
B6C3F1 mouse
NDC分類
医学 [ 490 ]
言語
英語
資源タイプ 紀要論文
出版者
Hiroshima University Medical Press
発行日 2001-12
出版タイプ Version of Record(出版社版。早期公開を含む)
アクセス権 オープンアクセス
収録物識別子
[ISSN] 0018-2052
[NCID] AA00664312