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Examinational significance and production mechanism of a circulating soluble receptor for the diagnosis of activated adipocytes to prevent diabetes

Research Project

Project/Area Number 16H05231
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Laboratory medicine
Research InstitutionToho University

Principal Investigator

BUJO Hideaki  東邦大学, 医学部, 教授 (80291300)

Research Collaborator HIRUTA nobuyuki  
JIANG meizi  
Project Period (FY) 2016-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥18,070,000 (Direct Cost: ¥13,900,000、Indirect Cost: ¥4,170,000)
Fiscal Year 2018: ¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2017: ¥5,590,000 (Direct Cost: ¥4,300,000、Indirect Cost: ¥1,290,000)
Fiscal Year 2016: ¥7,670,000 (Direct Cost: ¥5,900,000、Indirect Cost: ¥1,770,000)
Keywords糖尿病 / LR11 / ブラウニング / 可溶性LR11 / 熱産生 / 可溶性 / 褐色脂肪 / 検査学 / インスリン抵抗性 / 基礎代謝
Outline of Final Research Achievements

The study results showed that (1) the expression of browning-inhibitor gene LR11 was induced before differentiation to mature adipocytes, suggesting the induction to white adipocytes through its specific inhibition for browning, (2) beige adipocytes existed in the human body, which show the different sensitivity from other fat against the reduction therapy, and (3) among patients with diabetes and/or obesity, the changes in circulating soluble LR11 levels were not associated with those in body weights, but clearly with the degrees of accompanied diseases. These cell-biological and laboratory research results revealed that circulating sLR11 reflects pathological alteration in adipocytes, and that sLR11 is potentially a novel marker for “activated adipocytes”.

Academic Significance and Societal Importance of the Research Achievements

学術的な特色は、古典的な生理学、代謝学の研究課題である褐色脂肪細胞の生成と白色脂肪のブラウニングという研究課題を平滑筋細胞のフェノタイプ変換で発見した遺伝子をもちいて明らかにしたことである。社会的意義は、多施設検査研究で得られた可溶性レセプターLR11から診断する活性化脂肪細胞にかかわる解析結果をもとに、糖尿病や肥満症の診療で、可溶性LR11という新規の診療補助検査『活性化脂肪細胞』の有用性を提示したことである。

Report

(4 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Annual Research Report
  • 2016 Annual Research Report
  • Research Products

    (13 results)

All 2019 2018 2017 2016 Other

All Int'l Joint Research (6 results) Journal Article (4 results) (of which Int'l Joint Research: 4 results,  Peer Reviewed: 4 results,  Open Access: 1 results,  Acknowledgement Compliant: 1 results) Presentation (3 results) (of which Int'l Joint Research: 2 results)

  • [Int'l Joint Research] ケンブリッジ大学(英国)

    • Related Report
      2018 Annual Research Report
  • [Int'l Joint Research] 延辺大学(中国)

    • Related Report
      2018 Annual Research Report
  • [Int'l Joint Research] アムステルダム大学(オランダ)

    • Related Report
      2018 Annual Research Report
  • [Int'l Joint Research] Medical University of Vienna(オーストリア)

    • Related Report
      2017 Annual Research Report
  • [Int'l Joint Research] 延辺大学(中国)

    • Related Report
      2017 Annual Research Report
  • [Int'l Joint Research] アムステルダム大学(オランダ)

    • Related Report
      2017 Annual Research Report
  • [Journal Article] Levels of circulating soluble LR11, a regulator of smooth muscle cell migration, are highly associated with atherosclerotic plaques in patients with carotid artery stenosis2019

    • Author(s)
      Harada M, Jiang M, Terai K, Ebinuma H, Hiruta N, Schneider WJ, Sugo N, Nagao T, Bujo H
    • Journal Title

      Clin Chim Acta

      Volume: 490 Pages: 69-76

    • DOI

      10.1016/j.cca.2018.12.005

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Susceptibilities of epicardial and subcutaneous fat tissue for browning-gene expression and diet-induced volume reduction are different2018

    • Author(s)
      Mikamo H, Jiang M, Noro M, Suzuki Y, Hiruta N, Unoki-Kubota H, Schneider WJ, Bujo H.
    • Journal Title

      Mol Med Rep

      Volume: 17 Pages: 6542-6550

    • DOI

      10.3892/mmr.2018.8690

    • Related Report
      2018 Annual Research Report 2017 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Circulating soluble form of LR11, a regulator of smooth muscle cell migration, is a novel marker for intima-media thickness of carotid arteries in type 2 diabetes.2016

    • Author(s)
      Jin W, Jiang M, Han X, Han X, Murano T, Hiruta N, Ebinuma H, Piao L, Schneider WJ, Bujo H.
    • Journal Title

      Clin Chim Acta.

      Volume: 457 Pages: 137-141

    • DOI

      10.1016/j.cca.2016.04.016

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Int'l Joint Research / Acknowledgement Compliant
  • [Journal Article] Levels of the soluble LDL receptor-relative LR11 decrease in overweight individuals with type 2 diabetes upon diet-induced weight loss.2016

    • Author(s)
      Berk KA, Vongpromek R, Jiang M, Schneider WJ, Timman R, Verhoeven AJ, Bujo H, Sijbrands EJ, Mulder MT.
    • Journal Title

      Atherosclerosis.

      Volume: 254 Pages: 67-72

    • DOI

      10.1016/j.atherosclerosis.2016.09.066

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Presentation] Expression of LR11/SorLA, a thermogenesis suppressor, is regulated in adipogenesis of cultured adipocytes2018

    • Author(s)
      Jiang M, Ebinuma H, Murano T, Bujo H
    • Organizer
      25th European Congress on Obesity
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] ベージュ脂肪は高脂肪摂取マウスの脂質異常を抑制する―脂肪の質を変える食事生活指導の可能性―2018

    • Author(s)
      姜 美子, Antonio Vidal-Puig, Monique T. Mulder, Wolfgang J.Schneider, 武城英明
    • Organizer
      第50回日本動脈硬化学会総会・学術集会
    • Related Report
      2018 Annual Research Report
  • [Presentation] Soluble LR11/SorLA represses thermogenesis in adipose tissue and correlates with BMI in humans2017

    • Author(s)
      Meizi Jiang, Andrew J Whittle, Hiroyuki Ebinuma, Takeyoshi Murano, Chiaki Nakaseko, Wenlong Jin, Wolfgang J Schneider, Antonio Vidal-Puig & Hideaki Bujo
    • Organizer
      24th European Congress on Obesity (ECO/EASO)
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research

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Published: 2016-04-21   Modified: 2020-03-30  

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