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Study on a therapeutic application of tea catechins to vital pulp treatment.

Research Project

Project/Area Number 20592228
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Conservative dentistry
Research InstitutionThe University of Tokushima

Principal Investigator

NAKANISHI Tadashi  The University of Tokushima, 病院, 講師 (00217770)

Co-Investigator(Kenkyū-buntansha) YUMOTO Hiromichi  徳島大学, 大学院・ヘルスバイオサイエンス研究部, 助教 (60284303)
HOSOKAWA Yoshitaka  徳島大学, 大学院・ヘルスバイオサイエンス研究部, 助教 (90346601)
MUKAI Kayo  徳島大学, 病院, 助教 (30464340)
Project Period (FY) 2008 – 2010
Project Status Completed (Fiscal Year 2010)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2010: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2009: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2008: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Keywordsカテキン / 歯髄炎 / 歯髄細胞 / 抗炎症作用 / サイトカイン / ケモカイン / シグナル伝達経路
Research Abstract

Caries progression induces pulp tissue to inflammation, which can develop pulpitis. The treatment for severe pulpitis is commonly pulpectomy, but it is thought that teeth stripped of pulp increased fracture risk in the future. The purpose of this study was development of the pulp preservation therapy using catechin, and we evaluated the effect of catechins on dental pulp cells stimulated with various bacteria-related factors. As a result, we showed that the catechins inhibited the expression of inflammatory factors in the dental pulp cells, and this finding suggested that they could be applied in the treatment of pulpitis.

Report

(4 results)
  • 2010 Annual Research Report   Final Research Report ( PDF )
  • 2009 Annual Research Report
  • 2008 Annual Research Report
  • Research Products

    (35 results)

All 2010 2009 2008

All Journal Article (16 results) (of which Peer Reviewed: 14 results) Presentation (19 results)

  • [Journal Article] Anti-inflammatory effect of catechin on cultured dental pulp cells affected by bacteria-derived factors.2010

    • Author(s)
      T.Nakanishi, K.Mukai, H.Yumoto, K.Hirao, Y.Hosokawa, T.Matsuo.
    • Journal Title

      Eur J Oral Sci 118

      Pages: 145-150

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] 歯髄炎の病態形成における細菌侵襲と歯髄の反応性2010

    • Author(s)
      中西正
    • Journal Title

      日歯保存誌 53

      Pages: 489-491

    • NAID

      110008006918

    • Related Report
      2010 Final Research Report
  • [Journal Article] Tea catechins reduce inflammatory reactions via mitogen-activated protein kinase pathways in toll-like receptor 2 ligand-stimulated dental pulp cells.2010

    • Author(s)
      K.Hirao, H.Yumoto, T.Nakanishi, K.Mukai, K.Takahashi, D.Takegawa, T.Matsuo.
    • Journal Title

      Life Sci 86

      Pages: 654-660

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] Tea polyphenol inhibit IL-6 production in tumor necrosis factor superfamily 14-stimulated human gingival fibroblasts.2010

    • Author(s)
      Y.Hosokawa, I.Hosokawa, K.Ozaki, T.Nakanishi, H.Nakae, T.Matsuo.
    • Journal Title

      Mol Nutr Food Res 54

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] Catechins inhibit CXCL10 production from oncostatin M-stimulated human gingival fibroblasts.2010

    • Author(s)
      Y.Hosokawa, I.Hosokawa, K.Ozaki, T.Nakanishi, H.Nakae, T.Matsuo.
    • Journal Title

      J Nutr Biochem 21

      Pages: 659-664

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] Anti-inflammatory effect of catechin on cultured human dental pulp cells affected by bacteria-derived factors2010

    • Author(s)
      Nakanishi T, et al.
    • Journal Title

      European Journal of Oral Sciences

      Volume: 118 Pages: 145-150

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Tea catechins reduce inflammatory reactions via mitogen-activated protein kinase pathways in toll-like receptor 2 ligand-stimulated dental pulp cells2010

    • Author(s)
      Hirao K, et al.
    • Journal Title

      Life Sciences

      Volume: 86 Pages: 654-660

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Tea polyphenols inhibit IL-6 production in tumor necrosis factor superfamily 14-stimulated human gingival fibroblasts2010

    • Author(s)
      Hosokawa Y, et al.
    • Journal Title

      Molecular Nutrition and Food Research

      Volume: 54

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Catechins inhibit CXCL10 production from oncostatin M-stimulated human gingival fibroblasts2010

    • Author(s)
      Hosokawa Y, et al.
    • Journal Title

      Journal of Nutritional Biochemistry

      Volume: 21 Pages: 659-664

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 歯髄炎の病態形成における細菌侵襲と歯髄の反応性2010

    • Author(s)
      中西正
    • Journal Title

      日本歯科保存学雑誌

      Volume: 53 Pages: 489-491

    • NAID

      110008006918

    • Related Report
      2010 Annual Research Report
  • [Journal Article] Catechins inhibit CCL20 production in IL-17A-stimulated human gingival fibroblasts.2009

    • Author(s)
      Y.Hosokawa, I.Hosokawa, K.Ozaki, T.Nakanishi, H.Nakae, T.Matsuo.
    • Journal Title

      Cell Physiol Biochem 24

      Pages: 391-396

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] Roles of TLR2, TLR4, NOD2, and NOD1 in pulp fibroblasts.2009

    • Author(s)
      K.Hirao, H.Yumoto, K.Takahashi, K.Mukai, T.Nakanishi, T.Matsuo.
    • Journal Title

      J Dent Res 88

      Pages: 762-767

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] Roles of TLR2, TLR4, NOD2, and NOD1 in pulp fibroblasts2009

    • Author(s)
      Hirao K, et al.
    • Journal Title

      Journal of Dental Research 88

      Pages: 762-767

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Catechins inhibit CCL20 production in IL-17A-stimulated human gingival fibroblasts2009

    • Author(s)
      Hosokawa Y, et al.
    • Journal Title

      Cellular Physiology and Biochemistry 24

      Pages: 391-396

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] CCL20 production is induced in human dental pulp upon stimulation by Streptococcus mutans and pro-inflammatory cytokines.2008

    • Author(s)
      K.Takahashi, T.Nakanishi, H.Yumoto, T.Adachi, T.Matsuo.
    • Journal Title

      Oral Microbiol Immunol 23

      Pages: 320-327

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] CCL20 production is induced in human dental pulp uponstimulation by Streptococcus mutans and proinflammatory cytokines2008

    • Author(s)
      Takahashi K, et al.
    • Journal Title

      Oral Microbiology and Immunology 23

      Pages: 320-327

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Presentation] ヒト歯髄細胞におけるサイトカイン発現に対するProstaglandin F_<2alpha>の影響2010

    • Author(s)
      中西正, 他
    • Organizer
      日本歯科保存学会2010年度秋季学術大会(第133回)
    • Place of Presentation
      長良川国際会議場(岐阜県)
    • Year and Date
      2010-10-28
    • Related Report
      2010 Final Research Report
  • [Presentation] ヒト歯髄細胞におけるサイトカイン発現に対するProstaglandin F2_αの影響2010

    • Author(s)
      中西正, 他
    • Organizer
      日本歯科保存学会 2010年度秋季学術大会(第133回)
    • Place of Presentation
      長良川国際会議場(岐阜県)
    • Year and Date
      2010-10-28
    • Related Report
      2010 Annual Research Report
  • [Presentation] Catechins suppress cyclooxygenase-2 expression in human dental pulp cells2010

    • Author(s)
      中西正, et al
    • Organizer
      2010 IADR General Session
    • Place of Presentation
      バルセロナ(スペイン)
    • Year and Date
      2010-07-17
    • Related Report
      2010 Annual Research Report 2010 Final Research Report
  • [Presentation] Interferon-gamma enhances toll-like receptor ligand-induced cytokine production in pulpal cells2010

    • Author(s)
      武川大輔, et al
    • Organizer
      2010 IADR General Session
    • Place of Presentation
      バルセロナ(スペイン)
    • Year and Date
      2010-07-16
    • Related Report
      2010 Annual Research Report 2010 Final Research Report
  • [Presentation] TLRリガンド刺激したヒト培養歯髄細胞におけるIL-6, CXCL10産生をインターフェロンγは増強させる2009

    • Author(s)
      武川大輔, 他
    • Organizer
      日本歯科保存学会2009年度秋季学術大会(第131回)
    • Place of Presentation
      仙台国際センター(宮城県)
    • Year and Date
      2009-10-31
    • Related Report
      2010 Final Research Report
  • [Presentation] TLRリガンド刺激したヒト培養歯髄細胞におけるIL-6, CXCL10産生をインターフェロンγは増強させる2009

    • Author(s)
      武川大輔, 他
    • Organizer
      日本歯科保存学会 2009年度秋季学術大会(第131回)
    • Place of Presentation
      仙台国際センター(宮城県)
    • Year and Date
      2009-10-31
    • Related Report
      2009 Annual Research Report
  • [Presentation] ヒト歯髄細胞における炎症関連因子発現に対するカテキンの影響2009

    • Author(s)
      中西正, 他
    • Organizer
      日本歯科保存学会2009年度春季学術大会(第130回)
    • Place of Presentation
      札幌コンベンションセンター(北海道)
    • Year and Date
      2009-06-11
    • Related Report
      2010 Final Research Report
  • [Presentation] ヒト歯髄細胞における炎症関連因子発現に対するカテキンの影響2009

    • Author(s)
      中西正, 他
    • Organizer
      日本歯科保存学会 2009年度春季学術大会(第130回)
    • Place of Presentation
      札幌コンベンションセンター(北海道)
    • Year and Date
      2009-06-11
    • Related Report
      2009 Annual Research Report
  • [Presentation] カテキンの培養歯髄細胞における抗炎症効果に関与するシグナル伝達機構の解析2009

    • Author(s)
      湯本浩通, 他
    • Organizer
      第30回日本歯内療法学会学術大会
    • Place of Presentation
      都市センターホテル(東京都)
    • Year and Date
      2009-04-25
    • Related Report
      2010 Final Research Report 2009 Annual Research Report
  • [Presentation] カテキンによるTLRやNOD ligands刺激培養歯髄細胞における炎症性メディエーター産生抑制機構2009

    • Author(s)
      湯本浩通, 他
    • Organizer
      第82回日本細菌学会総会
    • Place of Presentation
      名古屋国際会議場(愛知県)
    • Year and Date
      2009-03-13
    • Related Report
      2010 Final Research Report
  • [Presentation] カテキンによるTLRやNOD ligands刺激培養歯髄細胞における炎症性メディエーター産生抑制機構2009

    • Author(s)
      湯本 浩通ら
    • Organizer
      第82回日本細菌学会総会
    • Place of Presentation
      名古屋
    • Year and Date
      2009-03-13
    • Related Report
      2008 Annual Research Report
  • [Presentation] 培養歯髄細胞におけるカテキンのcell signalingに対する影響2008

    • Author(s)
      平尾功治, 他
    • Organizer
      日本歯科保存学会2008年秋季学術大会(第129回)
    • Place of Presentation
      富山国際会議場(富山県)
    • Year and Date
      2008-11-06
    • Related Report
      2010 Final Research Report
  • [Presentation] 培養歯髄細胞におけるカテキンのcell signalingに対する影響2008

    • Author(s)
      平尾 功治ら
    • Organizer
      日本歯科保存学会2008年秋季学術大会(第129回)
    • Place of Presentation
      富 山
    • Year and Date
      2008-11-06
    • Related Report
      2008 Annual Research Report
  • [Presentation] Effect of catechins on cytokine production in human odontoblast-like cells2008

    • Author(s)
      向井佳代, et al
    • Organizer
      2008 IADR General session
    • Place of Presentation
      トロント(カナダ)
    • Year and Date
      2008-07-03
    • Related Report
      2010 Final Research Report
  • [Presentation] Effect of catechins on cytokine production in humanodontoblast-like cells2008

    • Author(s)
      Mukai, K, et al.
    • Organizer
      86th General Session & Exhibition of the IADR
    • Place of Presentation
      Toronto
    • Year and Date
      2008-07-03
    • Related Report
      2008 Annual Research Report
  • [Presentation] カテキンがヒト培養歯髄細胞のサイトカイン産生に与える影響 ~石灰化誘導培地を用いた環境下において~2008

    • Author(s)
      向井佳代, 他
    • Organizer
      日本歯科保存学会2008年春季学術大会(第128回)
    • Place of Presentation
      朱鷺メッセ(新潟県)
    • Year and Date
      2008-06-06
    • Related Report
      2010 Final Research Report
  • [Presentation] カテキンがヒト培養歯髄細胞のサイトカイン産生に与える影響〜石灰化誘導培地を用いた環境下において〜2008

    • Author(s)
      向井 佳代ら
    • Organizer
      日本歯科保存学会2008年春季学術大会(第128回)
    • Place of Presentation
      新 潟
    • Year and Date
      2008-06-06
    • Related Report
      2008 Annual Research Report
  • [Presentation] カテキンのヒト培養歯髄細胞に対する抗炎症効果2008

    • Author(s)
      平尾功治, 他
    • Organizer
      第29回日本歯内療法学会千葉大会
    • Place of Presentation
      東京歯科大学(千葉県)
    • Year and Date
      2008-05-24
    • Related Report
      2010 Final Research Report
  • [Presentation] カテキンのヒト培養歯髄細胞に対する抗炎症効果2008

    • Author(s)
      平尾 功治ら
    • Organizer
      第29回日本歯内療法学会千葉大会
    • Place of Presentation
      千 葉
    • Year and Date
      2008-05-24
    • Related Report
      2008 Annual Research Report

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Published: 2008-04-01   Modified: 2016-04-21  

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