• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to project page

2021 Fiscal Year Research-status Report

小児期放射線被曝による甲状腺機能への影響と障害メカニズムの解明

Research Project

Project/Area Number 20K08886
Research InstitutionHiroshima University

Principal Investigator

藤本 成明  広島大学, 原爆放射線医科学研究所, 准教授 (40243612)

Co-Investigator(Kenkyū-buntansha) 松山 睦美 (松鵜睦美)  長崎大学, 原爆後障害医療研究所, 助教 (00274639)
中島 正洋  長崎大学, 原爆後障害医療研究所, 教授 (50284683)
Project Period (FY) 2020-04-01 – 2023-03-31
Keywords放射線被曝甲状腺癌 / 小児甲状腺癌 / ラット甲状腺 / 頸部X線
Outline of Annual Research Achievements

小児期の放射線被曝により甲状腺癌が誘発されることはよく知られる。我々は、ラットを用いた甲状腺局所X線照射実験により、新生仔期甲状腺被曝は、発癌リスクばかりでなく、甲状腺機能へも特異的に影響を与え、その作用は成体期にまで長期に及ぶことを実験的に明らかにした。甲状腺機能は個体発達に必須であり、障害されると成長遅延等の大きな健康リスクとなり得る。本研究では、小児期放射線被曝による甲状腺機能への影響についての詳細を明らかにし、その障害メカニズムを解明し、さらに被曝による小児期甲状腺の発癌メカニズムへの関わりについても明らかにする。
2021年度は、新生仔期に甲状腺局所X線照射した甲状腺組織で、遺伝子発現に継続的な影響があることを明らかにした。アポプトーシス/増殖に関わるFas、Mki67、分化マーカーのMct8、Lat4、甲状腺癌マーカーのMet、Lgals3のmRNA発現を測定した結果、FasおよびLat4は新生仔期X照射のみで28週後でも上昇していた。また、低ヨード食(IDD)投与の遺伝子発現への影響は明らかで、IDD群及び新生仔期被曝IDD群では、いずれの遺伝子発現も有意に変化した。新生仔被曝IDD群のLgals3発現は、IDD群に比べさらに上昇していた。これらの結果から、新生仔期の単回被曝により、甲状腺濾胞組織の遺伝子発現が長期間にわたり影響を受けることが明らかになった。その変化は甲状腺癌プロモーターであるIDD投与の影響と類似しており、新生仔期被曝による甲状腺発がんメカニズムを担っていると考えられた。

Current Status of Research Progress
Current Status of Research Progress

2: Research has progressed on the whole more than it was originally planned.

Reason

第一目標であった頸部放射線被曝の甲状腺遺伝子発現への影響解析結果について成果を得て論文に公表できた。また、次の段階である網羅的遺伝子解析実験も順調に進んでいるため。

Strategy for Future Research Activity

新生仔期頸部放射線被曝による甲状腺遺伝子発現への影響を網羅的に解析する予定である。

Causes of Carryover

COVID-19パンデミックによる品不足により、発注していたプラスチックプレート等の納期が遅れたため。2022年度の入荷後の支払いに充当する。

  • Research Products

    (26 results)

All 2022 2021

All Journal Article (14 results) (of which Int'l Joint Research: 4 results,  Peer Reviewed: 14 results,  Open Access: 11 results) Presentation (12 results) (of which Int'l Joint Research: 8 results,  Invited: 2 results)

  • [Journal Article] Pathological diagnosis of general rules for the description of thyroid cancer by Japanese Society of Thyroid Pathology and Japan Association of Endocrine Surgery2022

    • Author(s)
      Kamma Hiroshi、Kameyama Kaori、Kondo Tetsuo、Imamura Yoshiaki、Nakashima Masahiro、Chiba Tomohiro、Hirokawa Mitsuyoshi
    • Journal Title

      Endocrine Journal

      Volume: 69 Pages: 139~154

    • DOI

      10.1507/endocrj.EJ21-0388

    • Peer Reviewed / Open Access
  • [Journal Article] Single neonatal irradiation induces long-term gene expression changes in the thyroid gland, which may be involved in the tumorigenesis2021

    • Author(s)
      Fujimoto Nariaki、Matsuu-Matsuyama Mutsumi、Nakashima Masahiro
    • Journal Title

      Scientific Reports

      Volume: 11 Pages: 23620

    • DOI

      10.1038/s41598-021-03012-5

    • Peer Reviewed / Open Access
  • [Journal Article] Age-dependent effects on radiation-induced carcinogenesis in the rat thyroid2021

    • Author(s)
      Matsuu-Matsuyama Mutsumi、Shichijo Kazuko、Matsuda Katsuya、Fujimoto Nariaki、Kondo Hisayoshi、Miura Shiro、Kurashige Tomomi、Nagayama Yuji、Nakashima Masahiro
    • Journal Title

      Scientific Reports

      Volume: 11 Pages: 19096

    • DOI

      10.1038/s41598-021-98481-z

    • Peer Reviewed / Open Access
  • [Journal Article] Biological impacts on the lungs in rats internally exposed to radioactive 56MnO2 particle2021

    • Author(s)
      Fujimoto Nariaki、Ruslanova Bakhyt、Abishev Zhaslan、Chaizhunussova Nailya、Shabdarbayeva Dariya、Amantayeva Gaukhar、Farida Rakhimzhanova、Sandybayev Marat、Nagano Kasuke、Zhumadilov Kassym、Kaprin Andrey、Ivanov Sergey、Stepanenko Valeriy、Hoshi Masaharu
    • Journal Title

      Scientific Reports

      Volume: 11 Pages: 11055

    • DOI

      10.1038/s41598-021-90443-9

    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Hepatic Gene Expression Changes in Rats Internally Exposed to Radioactive 56MnO2 Particles at Low Doses2021

    • Author(s)
      Ruslanova Bakhyt、Abishev Zhaslan、Chaizhunussova Nailya、Shabdarbayeva Dariya、Tokesheva Sholpan、Amantayeva Gaukhar、Kairkhanova Ynkar、Stepanenko Valeriy、Hoshi Masaharu、Fujimoto Nariaki
    • Journal Title

      Current Issues in Molecular Biology

      Volume: 43 Pages: 758~766

    • DOI

      10.3390/cimb43020055

    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] 53BP1 expression as a biomarker to differentiate thyroid follicular tumors2021

    • Author(s)
      Sato Ayako、Matsuda Katsuya、Motoyama Takahiro、Mussazhanova Zhanna、Otsubo Ryota、Kondo Hisayoshi、Akazawa Yuko、Higuchi Miyoko、Suzuki Ayana、Hirokawa Mitsuyoshi、Miyauchi Akira、Nagayasu Takeshi、Nakashima Masahiro
    • Journal Title

      Endocrine Connections

      Volume: 10 Pages: 309~315

    • DOI

      10.1530/EC-20-0630

    • Peer Reviewed / Open Access
  • [Journal Article] The Contribution of Genetic Variants to the Risk of Papillary Thyroid Carcinoma in the Kazakh Population: Study of Common Single Nucleotide Polymorphisms and Their Clinicopathological Correlations2021

    • Author(s)
      Mussazhanova Z, Rogounovitch T, Saenko V, Krykpayeva A, Espenbetova M, Azizov B, Kondo H, Matsuda K, Kalmatayeva Z, Issayeva R, Yeleubayeva Z, Madiyeva M, Mukanova A, Sandybayev M, Bolsynbekova A, Kozykenova Z, Yamashita S, Nakashima M
    • Journal Title

      Frontiers in Endocrinology

      Volume: 11 Pages: 543500

    • DOI

      10.3389/fendo.2020.543500

    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Anticancer agent α-sulfoquinovosyl-acylpropanediol enhances the radiosensitivity of human malignant mesothelioma in nude mouse models2021

    • Author(s)
      Inamasu Eiko、Tsuchiya Tomoshi、Yamauchi Motohiro、Nishi Kodai、Matsuda Katsuya、Sugawara Fumio、Sakaguchi Kengo、Mori Ryoichi、Matsumoto Keitaro、Miyazaki Takuro、Hatachi Go、Doi Ryoichiro、Watanabe Hironosuke、Tomoshige Koichi、Matsuda Naoki、Higami Yoshikazu、Shimokawa Isao、Nakashima Masahiro、Nagayasu Takeshi
    • Journal Title

      Journal of Radiation Research

      Volume: 63 Pages: 19~29

    • DOI

      10.1093/jrr/rrab090

    • Peer Reviewed / Open Access
  • [Journal Article] Detection of Endogenous DNA Double-strand Breaks in Oral Squamous Epithelial Lesions by P53-binding Protein 12021

    • Author(s)
      IMAIZUMI TOSHINOBU、MATSUDA KATSUYA、TANAKA KEI、KONDO HISAYOSHI、UEKI NOZOMI、KUROHAMA HIROKAZU、OTSUBO CHIEKO、MATSUOKA YUKI、AKAZAWA YUKO、MIURA SHIRO、NAKASHIMA MASAHIRO
    • Journal Title

      Anticancer Research

      Volume: 41 Pages: 4771~4779

    • DOI

      10.21873/anticanres.15292

    • Peer Reviewed
  • [Journal Article] Itpr1 regulates the formation of anterior eye segment tissues derived from neural crest cells2021

    • Author(s)
      Kinoshita Akira、Ohyama Kaname、Tanimura Susumu、Matsuda Katsuya、Kishino Tatsuya、Negishi Yutaka、Asahina Naoko、Shiraishi Hideaki、Hosoki Kana、Tomiwa Kiyotaka、Ishihara Naoko、Mishima Hiroyuki、Mori Ryoichi、Nakashima Masahiro、Saitoh Shinji、Yoshiura Koh-ichiro
    • Journal Title

      Development

      Volume: 148 Pages: 188755

    • DOI

      10.1242/dev.188755

    • Peer Reviewed
  • [Journal Article] Incidence Patterns of Sequential or Composite Lymphoma: A Population-Based Cancer Registry Study2021

    • Author(s)
      Niino Daisuke、My Hanh Luong Thi、Miura Shiro、Nakashima Masahiro、Iwanaga Masako
    • Journal Title

      The Tohoku Journal of Experimental Medicine

      Volume: 254 Pages: 123~127

    • DOI

      10.1620/tjem.254.123

    • Peer Reviewed / Open Access
  • [Journal Article] End of an Era of Sample Collection for the Nagasaki Atomic Bomb Survivor's Tumor Tissue Bank2021

    • Author(s)
      Akazawa Yuko、Araki Yuko、Miura Shiro、Kondo Hisayoshi、Hata Tomoko、Nakashima Masahiro
    • Journal Title

      Radiation Research

      Volume: 196 Pages: 323-325

    • DOI

      10.1667/RADE-21-00058.1

    • Peer Reviewed
  • [Journal Article] How to identify indolent thyroid tumors unlikely to recur and cause cancer death immediately after surgery?Risk stratification of papillary thyroid carcinoma in young patients?2021

    • Author(s)
      Kakudo Kennichi、Liu Zhiyan、Bai Yanhua、Li Yaqiong、Kitayama Naomi、Satoh Shinya、Nakashima Masahiro、Jung Chan Kwon
    • Journal Title

      Endocrine Journal

      Volume: 68 Pages: 871~880

    • DOI

      10.1507/endocrj.EJ21-0018

    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Comprehensive analysis for detecting radiation-specific molecules expressed during radiation-induced rat thyroid carcinogenesis2021

    • Author(s)
      Kurohama Hirokazu、Matsuda Katsuya、Kishino Mio、Yoshino Miruki、Yamaguchi Yuka、Matsuu-Matsuyama Mutsumi、Kondo Hisayoshi、Mitsutake Norisato、Kinoshita Akira、Yoshiura Ko-ichiro、Nakashima Masahiro
    • Journal Title

      Journal of Radiation Research

      Volume: 62 Pages: i78~i87

    • DOI

      10.1093/jrr/rraa139

    • Peer Reviewed / Open Access
  • [Presentation] Animal studies of 56MnO2 exposure in 2018-192022

    • Author(s)
      Fujimoto N
    • Organizer
      The 24th Hiroshima International Symposium: Research on radiation and its effects in Kazakhstan and other countries
    • Int'l Joint Research / Invited
  • [Presentation] Effects of internal exposure to neutron-activated 56MnO2 powder on locomotor activity in rats2022

    • Author(s)
      Keiko Otani, Megu Ohtaki, Nariaki Fujimoto, Darkhan Uzbekov, Ynkar Kairkhanova, Aisulu Saimova, Nailya Chaizhunussova, Dariya Habdarbaeva, Almas Azhimkhanov, Kassym Zhumadilov, Valeriy Stepanenko, Masaharu Hoshi
    • Organizer
      The 24th Hiroshima International Symposium: Research on radiation and its effects in Kazakhstan and other countries
    • Int'l Joint Research
  • [Presentation] The effect of various doses of ionizing radiation on liver tissue in experiment2022

    • Author(s)
      Bakhyt Ruslanova, Nailya Chaizhunussova, Dariya Shabdarbayeva, Nariaki Fujimoto, Masaharu Hoshi
    • Organizer
      The 24th Hiroshima International Symposium: Research on radiation and its effects in Kazakhstan and other countries
    • Int'l Joint Research
  • [Presentation] The effects of internal and external exposure on morphological indicators and gene expression in lungs in experiment (rats and mice)2022

    • Author(s)
      Zhaslan Abishev, Nailya Chaizhunussova, Dariya Shabdarbayeva, Nariaki Fujimoto, Masaharu Hoshi
    • Organizer
      The 24th Hiroshima International Symposium: Research on radiation and its effects in Kazakhstan and other countries
    • Int'l Joint Research
  • [Presentation] Influence of internal and external ionizing radiation on gene expression of the reproductive system in male laboratory animals2022

    • Author(s)
      Nailya Chaizhunussova, Gauhar Amantayeva, Dariya Shabdarbayeva, Nariaki Fujimoto, Masaharu Hoshi
    • Organizer
      The 24th Hiroshima International Symposium: Research on radiation and its effects in Kazakhstan and other countries
    • Int'l Joint Research
  • [Presentation] ラット新生仔期被曝による甲状腺腫瘍化に関与する遺伝子発現変化(O2-7-1)2021

    • Author(s)
      藤本成明, 松山睦美, 中島正洋
    • Organizer
      第94回日本内分泌学会学術総会
  • [Presentation] 放射性56MnO2 微粒子曝露による低線量被曝でのラット雄性生殖線機能低下2021

    • Author(s)
      藤本成明, 星正治, Chaizhunussova N
    • Organizer
      第5回放射線災害 医科学研究拠点カンファランス
  • [Presentation] Biological effects of radioactive particles produced by atomic bombing - animal studies2021

    • Author(s)
      Fujimoto, N
    • Organizer
      15th international scientific-practical conference <ecology. radiation. health>, Semey, Kazakhstan
    • Int'l Joint Research / Invited
  • [Presentation] Biological effects of internal exposure to radioactive particles of 56MnO2 in rats2021

    • Author(s)
      Fujimoto N, Chaizhunussova N, Shabdarbayeva D, Gnyrya V, Azhimkhanov A, Kolbayenkov A, Zhumadilov K, Stepanenko V, Hoshi M
    • Organizer
      9th international conference semipalatinsk test site, Kurchatov, Kazakhstani
    • Int'l Joint Research
  • [Presentation] Characterization of thyroid nodule with PTC-like nuclear features arising in Basedow's disease2021

    • Author(s)
      Kurohama H, Yamashita H, Nakashima M
    • Organizer
      XXVII International Symposium of Morphological Sciences
    • Int'l Joint Research
  • [Presentation] アミノ酸混合物シスチン・テアニンのラットにおける放射線防護効果2021

    • Author(s)
      松山睦美, 七條和子, 土屋 誉, 中島正洋
    • Organizer
      第5回放射線災害 医科学研究拠点カンファランス
  • [Presentation] 腫瘍内不均一のみられる甲状腺Well-differentiated carcinoma (WDC), NOSの1例2021

    • Author(s)
      山下弘幸, 中島正洋
    • Organizer
      第110回日本病理学会総会

URL: 

Published: 2022-12-28  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi