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Pathogenesis of senile osteoporosis: regulation of RANKL expression in aging model

Research Project

Project/Area Number 19K07435
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 49020:Human pathology-related
Research InstitutionEhime University

Principal Investigator

KITAZAWA RIKO  愛媛大学, 医学部附属病院, 准教授 (00273780)

Co-Investigator(Kenkyū-buntansha) 原口 竜摩  愛媛大学, 医学系研究科, 准教授 (00423690)
木谷 彰岐  愛媛大学, 医学部附属病院, 講師 (60380234)
福島 万奈  愛媛大学, 医学部附属病院, 講師 (70546225)
小原 幸弘  愛媛大学, 医学系研究科, 助教 (50792214)
Project Period (FY) 2019-04-01 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2021: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2020: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2019: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Keywords破骨細胞 / RANK / RANKL / 遺伝子プロモータ / メチル化 / 加齢 / 骨粗鬆症 / 酸化的ストレス
Outline of Research at the Start

H27-29年度基盤研究 (C) を受けて、加齢で付加されるCpGメチル化による破骨細胞分化因子RANKLと受容体RANKの発現制御と、酸化的ストレスによる老化Phenotype (P16INK4a, RANKL増加/ Wnt低下)影響下での制御を検討する。申請者らがクローニングした遺伝子プロモータの「RANKL発現をpin-pointで規定する特定部位のCpG」が、穏やかな加齢と代謝毒による老化促進とでは逆方向に働くのではないかという作業仮説に関する研究計画である。さらに骨巨細胞腫のRANKL中和抗体投与後の「間質細胞→骨芽細胞→骨細胞」の分化に着目して治療戦略に繋がる知見の集積を目指す。

Outline of Final Research Achievements

To elucidate the pathophysiology of low turnover osteoporosis in senile osteoporosis regardless of gender, we investigated the epigenetic repression by CpG methylation of RANKL and the receptor RANK in relation to aging.
We established the Tnfsf11-GFP mouse in which a single-base mutation was introduced into a methylation candidate site of RANKL gene promoter, and we have RANKL expression and bone mass were analyzed. We have investigated the passage-dependent and age-related change in osteoclastogenesis and the receptor RANK expression relative to the CpG methylation status in cultured pre-osteoclastic RAW cells and aged mice. These data suggest that DNA methylation at CpG-island in the RANK gene occurs in an age-related manner (type-A methylation).

Academic Significance and Societal Importance of the Research Achievements

閉経関連骨減少は骨粗鬆症の主因であり、有効な治療薬も使用されているが、今日の超高齢化社会においては男女を問わずおこる「老人性骨粗鬆症」の病態解明が重要である。健常な高齢者では骨量は30歳代の70%程度であるが、更年期よりも骨代謝は低回転となり、骨量の年次減少は緩やかとなる。後期高齢者の低回転型骨粗鬆症においては、骨吸収を担う破骨細胞形成に関わる破骨細胞分化因子RANKLや受容体RANK遺伝子にCpGメチル化による転写抑制がおこり、破骨細胞による骨吸収活性が低下するメカニズムの解明は重要であり、生活習慣病などの過剰に骨吸収を促進する要因を防ぐ方策に繋がるものであり、社会的意義が大きいといえる。

Report

(4 results)
  • 2021 Annual Research Report   Final Research Report ( PDF )
  • 2020 Research-status Report
  • 2019 Research-status Report
  • Research Products

    (29 results)

All 2022 2021 2020 2019

All Journal Article (14 results) (of which Int'l Joint Research: 6 results,  Peer Reviewed: 11 results,  Open Access: 9 results) Presentation (15 results) (of which Int'l Joint Research: 5 results,  Invited: 1 results)

  • [Journal Article] Histochemistry, Cytochemistry and Epigenetics2022

    • Author(s)
      Kitazawa S, Ohno T, Haraguchi R, Kitazawa R
    • Journal Title

      ACTA HISTOCHEMICA ET CYTOCHEMICA

      Volume: 55 Issue: 1 Pages: 1-7

    • DOI

      10.1267/ahc.21-00095

    • NAID

      130008164508

    • ISSN
      0044-5991, 1347-5800
    • Year and Date
      2022-02-26
    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] 【エピジェネティクスと病理】ヒストン蛋白の異常と病理診断2022

    • Author(s)
      北澤 理子
    • Journal Title

      病理と臨床

      Volume: 40 Pages: 149-155

    • Related Report
      2021 Annual Research Report
  • [Journal Article] RANK- NFATc1 signaling forms positive feedback loop on rank gene expression via functional NFATc1 responsive element in rank gene promoter.2021

    • Author(s)
      Kitazawa R, Haraguchi R, Kohara Y, Kitazawa S.
    • Journal Title

      Biochem Biophys Res Commun

      Volume: 572 Pages: 86-91

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Macrophages are requisite for angiogenesis of type H vessels during bone regeneration in mice.2021

    • Author(s)
      Kohara Y, Kitazawa R, Haraguchi R, Imai Y, Kitazawa S.
    • Journal Title

      Bone

      Volume: 54

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Knockdown of Lrp1 in RAW264?cells inhibits osteoclast differentiation and osteoclast-osteoblast interactions in?vitro2020

    • Author(s)
      Kohara Yukihiro、Haraguchi Ryuma、Kitazawa Riko、Kitazawa Sohei
    • Journal Title

      Biochemical and Biophysical Research Communications

      Volume: 523 Issue: 4 Pages: 961-965

    • DOI

      10.1016/j.bbrc.2020.01.065

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Localization of DLL1- and NICD-positive osteoblasts in cortical bone during postnatal growth in rats.2020

    • Author(s)
      Kohara Y, Kitazawa S, Kitazawa R, Haraguchi R, Arai K, Amasaki H, Soeta S.
    • Journal Title

      Biochem Biophys Res Commun

      Volume: 529 Issue: 2 Pages: 186-190

    • DOI

      10.1016/j.bbrc.2020.06.039

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Hedgehog inhibitors suppress osteoclastogenesis in in vitro cultures, and deletion of smo in macrophage/osteoclast lineage prevents age-related bone loss.2020

    • Author(s)
      Kohara Y, Haraguchi R, Kitazawa R, Imai Y, Kitazawa S.
    • Journal Title

      Int J Mol Sci

      Volume: 21 Issue: 8 Pages: 2745-2745

    • DOI

      10.3390/ijms21082745

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] New insights into the pathogenesis of diabetic nephropathy: proximal renal tubules are primary target of oxidative stress in diabetic kidney.2020

    • Author(s)
      Haraguchi R, Kohara Y, Matsubayashi K, Kitazawa R, Kitazawa S.
    • Journal Title

      Acta Histochem Cytochem

      Volume: 53 Pages: 21-31

    • NAID

      130007836959

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Altered features of monocytes in adult onset leukoencephalopathy with axonal spheroids and pigmented glia: A clue to the pathomechanism of microglial dyshomeostasis.2020

    • Author(s)
      Hamatani M, Yamashita H, Ochi H, Ashida S, Hashi Y, Okada Y, Fujii C, Kawamura K, Kitazawa R, Nakagawa M, Mizuno T, Takahashi R, Kondo T.
    • Journal Title

      Neurobiol Dis

      Volume: 140 Pages: 104867-104867

    • DOI

      10.1016/j.nbd.2020.104867

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Modulation of α<sub>v</sub>β<sub>3</sub> Integrin via Transactivation of β<sub>3</sub> Integrin Gene on Murine Bone Marrow Macrophages by 1,25(OH)<sub>2</sub>D<sub>3</sub>, Retinoic Acid and Interleukin-42019

    • Author(s)
      Kitazawa Sohei、Haraguchi Ryuma、Kohara Yukihiro、Kitazawa Riko
    • Journal Title

      ACTA HISTOCHEMICA ET CYTOCHEMICA

      Volume: 52 Issue: 4 Pages: 77-83

    • DOI

      10.1267/ahc.19015

    • NAID

      130007696918

    • ISSN
      0044-5991, 1347-5800
    • Year and Date
      2019-08-30
    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Activation of protein kinase C accelerates murine osteoclastogenesis partly via transactivation of RANK gene through functional AP-1 responsive element in RANK gene promoter2019

    • Author(s)
      Kitazawa Riko、Kinto-Shibahara Satomi、Haraguchi Ryuma、Kohara Yukihiro、Kitazawa Sohei
    • Journal Title

      Biochemical and Biophysical Research Communications

      Volume: 515 Issue: 2 Pages: 268-274

    • DOI

      10.1016/j.bbrc.2019.05.144

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Recent Insights into Long Bone Development: Central Role of Hedgehog Signaling Pathway in Regulating Growth Plate2019

    • Author(s)
      Haraguchi、Kitazawa、Kohara、Ikedo、Imai、Kitazawa
    • Journal Title

      International Journal of Molecular Sciences

      Volume: 20 Issue: 23 Pages: 5840-5840

    • DOI

      10.3390/ijms20235840

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] 研究者の最新動向 基本転写調節領域から見たRANK遺伝子の発現制御(解説).2019

    • Author(s)
      北澤 理子, 北澤 荘平
    • Journal Title

      Precision Medicine

      Volume: 2 Pages: 1046-1049

    • Related Report
      2019 Research-status Report
  • [Journal Article] 骨巨細胞腫の病態と治療修飾.2019

    • Author(s)
      北澤荘平、木谷彰岐、原口竜摩、北澤理子
    • Journal Title

      愛媛医学

      Volume: 38 Pages: 1-6

    • Related Report
      2019 Research-status Report
  • [Presentation] Senescence-dependent increase of CpG methylation at receptor activator NF-κB (RANK) gene promoter impairs osteoclastogenesis by decreasing RANK-positive osteoclast precursors2021

    • Author(s)
      Kitazawa, R Haraguchi, Y Kohara, S Kitazawa.
    • Organizer
      ASBMR 2021 Annual Meeting
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Role of Hedgehog signal modulator gene, Hedgehog Interacting Protein (Hhip), in growing long bone2021

    • Author(s)
      Haraguchi R, Kitazawa R, Kohara Y, Imai Y, Kitazawa S
    • Organizer
      ASBMR 2021 Annual Meeting
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 加齢モデルにおける破骨細胞分化因子受容体RANKのプロモータ領域メチル化による発現制御.2021

    • Author(s)
      北澤理子,原口竜摩,小原幸弘,北澤荘平.
    • Organizer
      第110回日本病理学会 2021.4.22-24 WEB開催
    • Related Report
      2021 Annual Research Report
  • [Presentation] 長期継代培養・老化ストレスが前破骨細胞の破骨細胞最終分化能に与える影響2021

    • Author(s)
      井上 潮音, 北澤 理子, 原口 竜摩, 小原 幸弘, 遠香 薫, 小野 真理, 北澤 荘平
    • Organizer
      第110回日本病理学会 2021.4.22-24 WEB開催
    • Related Report
      2021 Annual Research Report
  • [Presentation] エピジェネティクスの組織化学2021

    • Author(s)
      北澤 荘平, 原口 竜摩, 小原 幸弘, 北澤 理子
    • Organizer
      第62回日本組織細胞化学会総会・学術集会(2021.9.24-26) WEB開催
    • Related Report
      2021 Annual Research Report
    • Invited
  • [Presentation] 加齢モデルにおける破骨細胞分化因子受容体RANKのプロモータ領域メチル化による発現制御.2020

    • Author(s)
      北澤理子, 原口竜摩, 小原幸弘, 福島万奈, 北澤荘平.
    • Organizer
      第109回日本病理学会 2021.4.16-18 WEB開催 (7.1-7.31)
    • Related Report
      2020 Research-status Report
  • [Presentation] 破骨細胞分化因子受容体RANKのプロモータ領域メチル化による発現制御2020

    • Author(s)
      北澤理子, 原口竜摩, 小原幸弘, 北澤荘平.
    • Organizer
      第38回日本骨代謝学会学術集会(2020.10.9-11)
    • Related Report
      2020 Research-status Report
  • [Presentation] Senescence-dependent increase of CpG methylation at receptor activator NF-kB (RANK) gene promoter impairs osteoclastogenesis by decreasing RANK-positive osteoclast precursors.2020

    • Author(s)
      Kitazawa R, Haraguchi R, Kohara Y, Kitazawa S.
    • Organizer
      ASBMR 2020 Annual Meeting September 11-15, 2020 Virtual Event
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] Specific role of Hh signaling pathway in bone resorption.2020

    • Author(s)
      Haraguchi R, Kohara Y, Kitazawa R, Imai Y, Kitazawa S
    • Organizer
      ASBMR 2020 Annual Meeting September 11-15, 2020 Virtual Event
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] Role of Lrp1 in RAW264 cells on osteoclast differentiation.2020

    • Author(s)
      Kohara Y, Haraguchi R, Kitazawa R, Kitazawa S.
    • Organizer
      ASBMR 2020 Annual Meeting September 11-15, 2020 Virtual Event
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] 破骨細胞分化因子受容体RANKのプロモータ領域メチル化による発現制御.2019

    • Author(s)
      北澤 理子, 村田 夕紀, 原口 竜摩, 上田 康雄, 福島 万奈, 北澤 荘平.
    • Organizer
      第108回日本病理学会総会
    • Related Report
      2019 Research-status Report
  • [Presentation] 近位尿細管に注目したストレプトゾトシン誘導性糖尿病腎の病態組織学的考察.2019

    • Author(s)
      原口 竜摩, 松林 加那子, 北澤 理子, 北澤 荘平.
    • Organizer
      第108回日本病理学会総会
    • Related Report
      2019 Research-status Report
  • [Presentation] ヘッジホッグシグナル阻害剤であるCyclopamineは破骨細胞形成を抑制する.2019

    • Author(s)
      小原 幸弘, 原口 竜摩, 北澤 理子, 北澤 荘平.
    • Organizer
      日本骨代謝学会学術集会2019
    • Related Report
      2019 Research-status Report
  • [Presentation] 骨細胞分化因子受容体RANKのプロモータ領域メチル化による発現制御.2019

    • Author(s)
      北澤 理子, 村田 夕紀, 小原 幸弘, 原口 竜摩, 北澤 荘平.
    • Organizer
      日本骨代謝学会学術集会2019
    • Related Report
      2019 Research-status Report
  • [Presentation] ヘッジホッグシグナル調節因子Hhipの骨形成過程における役割.2019

    • Author(s)
      原口 竜摩, 小原 幸弘, 今井 祐記, 北澤 理子, 北澤 荘平
    • Organizer
      日本骨代謝学会学術集会2019
    • Related Report
      2019 Research-status Report

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Published: 2019-04-18   Modified: 2023-01-30  

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