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プロスタグランディンE受容体EP4シグナル制御による大動脈瘤の治療開発

Publicly Offered Research

Project AreaMachineries of bioactive lipids in homeostasis and diseases
Project/Area Number 23116514
Research Category

Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)

Allocation TypeSingle-year Grants
Review Section Biological Sciences
Research InstitutionYokohama City University

Principal Investigator

横山 詩子  横浜市立大学, 医学部, 講師 (70404994)

Project Period (FY) 2011-04-01 – 2013-03-31
Project Status Completed (Fiscal Year 2012)
Budget Amount *help
¥8,060,000 (Direct Cost: ¥6,200,000、Indirect Cost: ¥1,860,000)
Fiscal Year 2012: ¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2011: ¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Keywords脂質 / シグナル伝達 / 循環器・高血圧 / 生理学 / プロスタグランディン / 弾性線維 / 大動脈瘤 / 血管リモデリング
Outline of Annual Research Achievements

大動脈瘤は血管壁内の炎症と弾性線維をはじめとした細胞外基質の分解を特徴とする、進行性の致死性疾患である。炎症と細胞外基質の分解により血管壁が脆弱化すると、血管内圧力のために大動脈の直径は拡大し、破裂時の死亡率は30%以上と非常に高い。しかしながら現在、対処療法である外科的治療以外の根本的治療は存在しない。本研究では、プロスタグランディンE受容体EP4シグナルを抑制することで、大動脈瘤の進行を抑制する初めての薬物治療の開発を目的とした。まず、1.ヒト大動脈瘤の組織においてEP4の発現と弾性線維の分解との相関を明らかにした。ついで、2.大動脈瘤組織の器官培養でEP4刺激がサイトカイン産生やマトリクスプロテアーゼの活性を上昇させること、3.EP4欠損マウスではカルシウムクロライドによる大動脈瘤の形成が抑制されること、4.EP4とApoEのダブル欠損マウスではアンジオテンシンIIによる大動脈瘤の形成が抑制されること、5.EP4拮抗薬がアンジオテンシンIIによる大動脈瘤形成を抑制することと、その薬物至適濃度の決定、6.ヒト大動脈瘤組織の器官培養でEP4拮抗薬のサイトカイン産生とマトリクスプロテアーゼ活性を抑制すること、7.アンジオテンシンIIにより形成された大動脈瘤に対しEP4拮抗薬による退縮効果が認められたこと、を明らかにした。本研究の成果は、論文として公表した(PLoS ONE, 2012)。
本研究により、大動脈瘤の進行抑制薬または治療薬としてEP4拮抗薬が有効である可能性が強く示唆された。この成果を基に、EP4拮抗薬の前臨床研究が現在進行している。
本研究で検討した薬物の至適濃度がヒトで適切であるか、副作用の危険がないかどうかをさらに検討する必要があり、また、副作用の予測としてEP4拮抗薬の他の作用を網羅的に解析することを予定している。

Research Progress Status

24年度が最終年度であるため、記入しない。

Strategy for Future Research Activity

24年度が最終年度であるため、記入しない。

Report

(2 results)
  • 2012 Annual Research Report
  • 2011 Annual Research Report
  • Research Products

    (34 results)

All 2013 2012 2011 Other

All Journal Article (14 results) (of which Peer Reviewed: 12 results) Presentation (17 results) (of which Invited: 3 results) Book (1 results) Remarks (2 results)

  • [Journal Article] The prostanoid EP4 receoptor and its signaling pathway2013

    • Author(s)
      Yokoyama U
    • Journal Title

      Phaarmacological Reviews

      Volume: 印刷中

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 動脈瘤とPGE22013

    • Author(s)
      横山 詩子
    • Journal Title

      遺伝子医学MOOK

      Volume: 24

    • Related Report
      2012 Annual Research Report
  • [Journal Article] Inhibition of EP4 signaling attelluates aortic aneurysm formation2012

    • Author(s)
      Yokoyama U
    • Journal Title

      PLoS One

      Volume: 7 Issue: 5 Pages: e36724-e36724

    • DOI

      10.1371/journal.pone.0036724

    • Related Report
      2012 Annual Research Report 2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 三次元血管モデルを用いた動脈硬化性疾患の機序解明2012

    • Author(s)
      横山 詩子
    • Journal Title

      科学と工業

      Volume: 86 Pages: 21-27

    • Related Report
      2012 Annual Research Report
  • [Journal Article] Pharmacological Stimulation of Type 5 Adenylyl Cyclase Stabilizes Heart Rate under both Microgravity and Hypergravity induced by Parabolic Flight2012

    • Author(s)
      Bay Y
    • Journal Title

      J Pharmacol Sci.

      Volume: 119 Pages: 381-389

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Inhibition of Phosphodiesterase Type 3 Dilates the Rat Ductus Arteriosus without Inducing Intimal Thickening2012

    • Author(s)
      Ichikawa Y
    • Journal Title

      Circ J

      Volume: 76 Pages: 2456-2464

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Low-dose Thromboxane A2 Receptor Stimulation Promotes Closure of the Rat Ductus Arteriosus with Minimal Adverse Effects2012

    • Author(s)
      Yokota T
    • Journal Title

      Pediatr Res.

      Volume: 72 Pages: 129-136

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Effect of ascorbic acid on reactive oxygen species production in chemotherapy and hyperthermia in prostate cancer cells.2012

    • Author(s)
      Fukumura H, et al.
    • Journal Title

      J. Physiol. Sci.

      Volume: 62 Issue: 3 Pages: 251-257

    • DOI

      10.1007/s12576-012-0204-0

    • Related Report
      2012 Annual Research Report 2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Cyclic AMP and Epac in the regulation of tissue fibrosis2012

    • Author(s)
      Insel PA, Murray F, Yokoyama U, Romano S, Yun H, Brown L, Snead A, Lu D, Aroonsakool N
    • Journal Title

      Br. J. Pharmacol

      Volume: 166(2) Issue: 2 Pages: 447-456

    • DOI

      10.1111/j.1476-5381.2012.01847.x

    • Related Report
      2012 Annual Research Report 2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Morphological and Histological Evaluations of 3D-Layered Blood Vessel Constructs Prepared by Hierarchical Cell Manipulation.2012

    • Author(s)
      Matsusaki M, et al.
    • Journal Title

      J Biomater Sci Polym Ed.

      Volume: 23 Issue: 1-4 Pages: 63-79

    • DOI

      10.1163/092050610x541953

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Inhibition of Phosphodiesterase Type 3 Dilates the Rat Ductus Arteriosus without Inducing Intimal Thickening2012

    • Author(s)
      Ichikawa Y, Yokoyama U, Iwamoto M, Oshikawa J, Okumura S, Sato M, Yokota S, Masuda M, Asou T, Isikawa Y
    • Journal Title

      Circ J

      Volume: (in press)

    • NAID

      10030875150

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Low-dose Thromboxane A2 Receptor Stimulation Promotes Closure of the Rat Ductus Arteriosus with Minimal Adverse Effects2012

    • Author(s)
      Yokota T, Aida T, Ichikawa Y, Fujita T, Yokoyama U, Minamisawa S
    • Journal Title

      Pediatr Res

      Volume: (in press)

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Secretoglobin 3A2 suppresses bleomycin-induced pulmonary fibrosis by TGFbeta signaling down-regulation.2011

    • Author(s)
      Kurotani R, et al
    • Journal Title

      J. Biol. Chem.

      Volume: 286 Issue: 22 Pages: 19682-19692

    • DOI

      10.1074/jbc.m111.239046

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] The Roles of Cytochrome P450 in Ischemic Heart Diseas2011

    • Author(s)
      Sato M, Yokoyama U, Fujita T, Okumura S, Ishikawa Y
    • Journal Title

      Curr Drug Metab

      Volume: 12(6) Pages: 526-532

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Presentation] Molecular Mechanisms of Dynamic Cardiovascular Adaptation from Fetal to Neonatal Life2013

    • Author(s)
      Yokoyama U
    • Organizer
      The 90th Annual Meeting of the Physiological Society of Japan
    • Place of Presentation
      タワーホール船堀(東京都)
    • Year and Date
      2013-03-27
    • Related Report
      2012 Annual Research Report
    • Invited
  • [Presentation] Proteomic analysis of aortic aneurysm2013

    • Author(s)
      Ishiwata R
    • Organizer
      The 90th Annual Meeting of the Physiological Society of Japan
    • Place of Presentation
      タワーホール船堀(東京都)
    • Year and Date
      2013-03-27
    • Related Report
      2012 Annual Research Report
  • [Presentation] Mechanical stretch promotes elastic fiber formation in rat aortic smooth muscle cells. Annual meeting2012

    • Author(s)
      Aida T
    • Organizer
      The American Society for Cell Biology
    • Place of Presentation
      Sanfrncisco(USA)
    • Year and Date
      2012-12-15
    • Related Report
      2012 Annual Research Report
  • [Presentation] 動脈硬化性疾患の機序解明にむけた三次元血管モデルの開発2012

    • Author(s)
      横山 詩子
    • Organizer
      三次元生体組織構築公開シンポジウムー世界基準へのチャレンジー
    • Place of Presentation
      化学会館(東京都)
    • Year and Date
      2012-11-28
    • Related Report
      2012 Annual Research Report
    • Invited
  • [Presentation] 出生後の肺における弾性線維形成の検討2012

    • Author(s)
      市川 泰広
    • Organizer
      第48回日本小児循環器学会総会・学術集会
    • Place of Presentation
      国立京都国際会館(京都)
    • Year and Date
      2012-07-05
    • Related Report
      2012 Annual Research Report
  • [Presentation] プロスタグランジンE シグナルと弾性線維形成―動脈管閉鎖や大動脈瘤形成への関与2012

    • Author(s)
      横山 詩子
    • Organizer
      医学研究の基礎を語り合う集いTokyo Heart Development Club
    • Place of Presentation
      東京慈恵医科大学(東京都)
    • Year and Date
      2012-06-25
    • Related Report
      2012 Annual Research Report
    • Invited
  • [Presentation] Rat Smooth Muscle Cells within Three Dimensional Cellular Multilayers Exhibit Contractile Phenotypes and Layered Elastic Fiber2012

    • Author(s)
      Ishiwata R
    • Organizer
      The 8th Congress of Asian Society for Pediatric Research
    • Place of Presentation
      Seoul(Korea)
    • Year and Date
      2012-05-17
    • Related Report
      2012 Annual Research Report
  • [Presentation] The role of prostaglandin E (PGE) receptor EP4 in aortic aneurysm formation2012

    • Author(s)
      Katayama Y
    • Organizer
      the Aortic Symposium
    • Place of Presentation
      New York(USA)
    • Year and Date
      2012-04-26
    • Related Report
      2012 Annual Research Report
  • [Presentation] 大動脈瘤形成におけるプロスタグランディンE受容体EP4の役割の検討2012

    • Author(s)
      片山 雄三
    • Organizer
      第42回日本心臓血管外科学会学術総会
    • Place of Presentation
      秋田アトリオン(秋田)
    • Year and Date
      2012-04-18
    • Related Report
      2012 Annual Research Report
  • [Presentation] Molecular mechanism of the regulation of vascular elastic fiber formation2012

    • Author(s)
      Yokoyama U, Shioda A, Ishiwata R, Suzuki S, Masuda M, Asou T, Aoki H, Sugimoto Y, Nakamura T, Minamisawa S, Ishikawa Y
    • Organizer
      The 89^<th> Annual Meeting of the Physiological Society of Japan
    • Place of Presentation
      長野県松本文化体育館(長野県)(招待講演)
    • Year and Date
      2012-03-31
    • Related Report
      2011 Annual Research Report
  • [Presentation] Prostaglandin E2-EP4 signaling may play a role in intimal thickening that precedes atherosclerosis2012

    • Author(s)
      Kumagaya S,_Yokoyama U, Iwai K, Nishihara H, Ishikawa Y, Minamisawa S
    • Organizer
      The 89^<th> Annual Meeting of the Physiological Society of Japan
    • Place of Presentation
      長野県松本文化体育館(長野県)
    • Year and Date
      2012-03-30
    • Related Report
      2011 Annual Research Report
  • [Presentation] 3D cellular multi-layers of rat smooth muscle cells has a potential as a novel ex vivo vascular model2012

    • Author(s)
      Ishiwata R, Yokoyama U, Kadowaki K, Matsusaki M, Akashi M, Ishikawa Y, Minamisawa S
    • Organizer
      The 89^<th> Annual Meeting of the Physiological Society of Japan
    • Place of Presentation
      長野県松本文化会館(長野県)
    • Year and Date
      2012-03-30
    • Related Report
      2011 Annual Research Report
  • [Presentation] Inhibition of EP4 Signaling Attenuates Mouse Aortic Aneurysm Formation2012

    • Author(s)
      Yokoyama U, Jin MH, Kato Y, Ishiwata R, Suzuki S, Masuda M, Asou T, Aoki H, Sugimoto Y, Nakamura T, Minamisawa S, Ishikawa Y
    • Organizer
      The 76^<rd> Annual Scientific Meeting of the Japanese Circulation Society
    • Place of Presentation
      福岡国際会議場(福岡県)
    • Year and Date
      2012-03-17
    • Related Report
      2011 Annual Research Report
  • [Presentation] EP4シグナル抑制による大動脈瘤治療2012

    • Author(s)
      石渡遼, 横山詩子, 熊谷駿, 金美花, 加藤優子, 鈴木伸一, 益田宗孝, 青木浩樹, 杉本幸彦, 南沢享, 石川義弘
    • Organizer
      新学術領域研究「脂質マシナリー」若手ワークショップ
    • Place of Presentation
      東京大学薬学部(東京都)
    • Year and Date
      2012-02-02
    • Related Report
      2011 Annual Research Report
  • [Presentation] Prostaglandin EP4 Signaling Negatively Regulates Vascular Elastic Fiber Assembly2011

    • Author(s)
      Yokoyama U, Kato Y, Suzuki S, Masuda M, Asou T, Aoki H, Sugimoto Y, Nakamura T, Minamisawa S, Ishikawa Y
    • Organizer
      The 2^<nd> Molecular Cardiovascular Conference II
    • Place of Presentation
      キロロリゾートホテルピアノ(北海道)
    • Year and Date
      2011-09-03
    • Related Report
      2011 Annual Research Report
  • [Presentation] 臨床から基礎医学研究へ-豊かな感受性を持とう」基礎研究者育成プロジェクト2011

    • Author(s)
      横山詩子
    • Organizer
      第1回リトリート
    • Place of Presentation
      東京大学医学部(東京都)(招待講演)
    • Year and Date
      2011-08-20
    • Related Report
      2011 Annual Research Report
  • [Presentation] Three dimensional cellular multi-layer technology utilized evaluation of elastic fiber formation and phenotype of rat vascular smooth muscle cells2011

    • Author(s)
      Ishiwata R, Yokoyama U, Kadowaki K, Matsusaki M, Akashi M, Ishikawa Y, Minamisawa S
    • Organizer
      The 7th Japan-China-Korea Pediatric Heat Forum
    • Place of Presentation
      福岡国際会議場(福岡県)
    • Year and Date
      2011-07-08
    • Related Report
      2011 Annual Research Report
  • [Book] Congenital Heart Disease-Selected Aspects2012

    • Author(s)
      Minamisawa S
    • Total Pages
      348
    • Publisher
      InTech
    • Related Report
      2012 Annual Research Report
  • [Remarks] 横浜市立大学医学部循環制御医学ホームページ

    • URL

      http://www-user.yokohama-cu.ac.jp/~seiri1/

    • Related Report
      2012 Annual Research Report
  • [Remarks]

    • URL

      http://www-user.yokohama-cu.ac.jp/~seiri1/index.html

    • Related Report
      2011 Annual Research Report

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Published: 2011-04-06   Modified: 2018-03-28  

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