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Involvement of endogenous inflammation in the formation of focal segmental glomerulosclerosis lesion

Research Project

Project/Area Number 21K08220
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 53040:Nephrology-related
Research InstitutionUniversity of Tsukuba

Principal Investigator

Yamagata Kunihiro  筑波大学, 医学医療系, 教授 (90312850)

Project Period (FY) 2021-04-01 – 2025-03-31
Project Status Completed (Fiscal Year 2024)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2023: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2022: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2021: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Keywords慢性腎臓病 / 巣状糸球体硬化症病変 / 加齢 / 腎硬化症 / リン負荷 / Calciprotein particles / 巣状分節状糸球体硬化病変 / FGF23 / THMマウス / 透析導入コホート / Nephron index / 巣状糸球体硬化症 / 蛋白尿 / 慢性腎不全 / ミトコンドリア機能 / リン代謝
Outline of Research at the Start

巣状糸球体硬化症病変は、糸球体の脱落に至るFinal common pathwayとされ、主要原疾患に共通して認められる変化である。本研究では糸球体基底膜をはさんだ血管内皮細胞障害とポドサイト障害の要因として、加齢や腎機能低下に伴うリン負荷により血中、尿中に増加の認められるcalciprotein particleを介した慢性炎症惹起ならびに変性ミトコンドリアDNAやミトコンドリアから放出された活性酸素がNLRP3インフラソームを活性化させ炎症惹起する2つの炎症機構の果たす役割を検討し、内因性の炎症という視点からFSGS病変形成機序の解明と腎硬化症の新たな治療法を確立することである。

Outline of Final Research Achievements

Excessive phosphorus accumulation and associated deposition of calciprotein particles (CPP) in the vascular endothelium and renal interstitium have been implicated in the progression of nephrosclerosis in the elderly. And we found that high CPP/Pi ratios in patients with end-stage chronic renal failure have been shown to be associated with the occurrence of cardiovascular disease. In mouse models, renal pathological changes were observed with salt-induced hypertension and phosphorus loading, but the proteinuria was mild, and based on previous studies, it was thought that renal lesions caused by high phosphorus loading mainly involved changes in the tubules and interstitium. There is a clear association between the progression of nephrosclerosis and worsening proteinuria, and further investigation is needed to consider not only glomerular changes but also impaired albumin reabsorption in the proximal tubules.

Academic Significance and Societal Importance of the Research Achievements

度腎障害を伴うCKD患者において、CPP/Pi比と心臓血管病発症との関連が示された。糸球体病変の出現を期待したマウスモデルにおいては、塩分負荷による高血圧とリン負荷によって糸球体病変の出現をみたものの、蛋白尿出現は軽度であり、これまでの検討からも高リン負荷の腎病変は尿細管、間質の変化が主体であると考えられた。今後。観察期間を延長すると同時に、近位尿細管障害に焦点をあて、尿中アルブミンの起源も近位尿細管の再吸収障害ならびに尿pHの影響などを考慮してさらに検討する必要があると考えられた。
高齢者の腎硬化症の重症化予防に対し、病態の解明とともに適切な生活指導、治療法の開発につながる知見が得られた。

Report

(5 results)
  • 2024 Annual Research Report   Final Research Report ( PDF )
  • 2023 Research-status Report
  • 2022 Research-status Report
  • 2021 Research-status Report
  • Research Products

    (26 results)

All 2024 2023 2022 2021

All Journal Article (19 results) (of which Int'l Joint Research: 3 results,  Peer Reviewed: 19 results,  Open Access: 18 results) Presentation (7 results)

  • [Journal Article] Serum calciprotein particle‐to‐phosphate ratio as a predictor of cardiovascular events in incident hemodialysis patients2024

    • Author(s)
      Akiyama Tomoki、Iwazu Yoshitaka、Usui Joichi、Ebihara Itaru、Ishizu Takashi、Kobayashi Masaki、Maeda Yoshitaka、Kobayashi Hiroaki、Yamagata Kunihiro、Kuro‐o Makoto、The Study Group of the Ibaraki Dialysis Initiation Cohort Study
    • Journal Title

      Therapeutic Apheresis and Dialysis

      Volume: 29 Issue: 2 Pages: 178-188

    • DOI

      10.1111/1744-9987.14203

    • Related Report
      2024 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Cardiorenal damages in mice at early phase after intervention induced by angiotensin II, nephrectomy, and salt intake2024

    • Author(s)
      Muromachi Naoto、Ishida Junji、Noguchi Kazuyuki、Akiyama Tomoki、Maruhashi Syunsuke、Motomura Kaori、Usui Joichi、Yamagata Kunihiro、Fukamizu Akiyoshi
    • Journal Title

      Experimental Animals

      Volume: 73 Issue: 1 Pages: 11-19

    • DOI

      10.1538/expanim.23-0071

    • ISSN
      0007-5124, 1341-1357, 1881-7122
    • Related Report
      2024 Annual Research Report 2023 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Exercise instruction during haemodialysis treatment after changes to the insurance regime: a nationwide questionnaire survey in Japan2024

    • Author(s)
      Sofue Tadashi、Matsuzawa Ryota、Nishiwaki Hiroki、Tsuchida Yohei、Kosaki Keisei、Hoshino Junichi、Narita Ichiei、Yamagata Kunihiro
    • Journal Title

      Scientific Reports

      Volume: 14 Issue: 1 Pages: 9171-9171

    • DOI

      10.1038/s41598-024-59995-4

    • Related Report
      2023 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Renal Hemodynamic and Functional Changes in ADPKD Patients2024

    • Author(s)
      Ishii Ryota、Kai Hirayasu、Nakajima Kentaro、Harada Takuya、Akiyama Tomoki、Okada Eri、Tsunoda Ryoya、Usui Toshiaki、Mase Kaori、Morito Naoki、Saito Chie、Usui Joichi、Yamagata Kunihiro
    • Journal Title

      Kidney360

      Volume: xx Issue: 5 Pages: 724-731

    • DOI

      10.34067/kid.0000000000000412

    • Related Report
      2023 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Risk of Relapse of Antineutrophil Cytoplasmic Antibody?Associated Vasculitis in a Randomized Controlled Trial of Plasma Exchange and Glucocorticoids2024

    • Author(s)
      Junek Mats L.、Merkel Peter A.、Vilayur Eswari、Wald Ron、Khalidi Nader、Jayne David、Walsh Michael、for the PEXIVAS Investigators
    • Journal Title

      Arthritis & Rheumatology

      Volume: - Issue: 9 Pages: 1431-1438

    • DOI

      10.1002/art.42843

    • Related Report
      2023 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Health-related Quality of Life in 10?years Long-term Survivors of Chronic Kidney Disease: A From-J Study2024

    • Author(s)
      Okubo Reiko、Kondo Masahide、Imasawa Toshiyuki、Saito Chie、Kai Hirayasu、Tsunoda Ryoya、Hoshino Junichi、Watanabe Tsuyoshi、Narita Ichiei、Matsuo Seiichi、Makino Hirofumi、Hishida Akira、Yamagata Kunihiro
    • Journal Title

      Journal of Renal Nutrition

      Volume: 34 Issue: 2 Pages: 161-169

    • DOI

      10.1053/j.jrn.2023.10.001

    • Related Report
      2023 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Podocyte-specific Transcription Factors: Could MafB Become a Therapeutic Target for Kidney Disease?2023

    • Author(s)
      Morito Naoki、Usui Toshiaki、Ishibashi Shun、Yamagata Kunihiro
    • Journal Title

      Internal Medicine

      Volume: 62 Issue: 1 Pages: 11-19

    • DOI

      10.2169/internalmedicine.9336-22

    • ISSN
      0918-2918, 1349-7235
    • Year and Date
      2023-01-01
    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] The impact of treatment with avacopan on health-related quality of life in antineutrophil cytoplasmic antibody-associated vasculitis: a post-hoc analysis of data from the ADVOCATE trial2023

    • Author(s)
      Strand Vibeke、Jayne David R W、Horomanski Audra、Yue Huibin、Bekker Pirow、Merkel Peter A、Yamagata Kunihiro、et al、ADVOCATE Study Group.
    • Journal Title

      The Lancet Rheumatology

      Volume: 5 Issue: 8 Pages: e451-e460

    • DOI

      10.1016/s2665-9913(23)00092-9

    • Related Report
      2023 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Adding Cases to the Study of Bucillamine-Associated Neural Epidermal Growth Factor-Like1-Positive Membranous Nephropathy2023

    • Author(s)
      Takahashi-Kobayashi Mayumi、Usui Joichi、Kawanishi Kunio、Saito Chie、Ebihara Itaru、Yamagata Kunihiro
    • Journal Title

      Kidney International Reports

      Volume: 8 Issue: 8 Pages: 1698-1699

    • DOI

      10.1016/j.ekir.2023.05.032

    • Related Report
      2023 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Relationship between the lower limit of systolic blood pressure target and kidney function decline in advanced chronic kidney disease: an instrumental variable analysis from the REACH-J CKD cohort study2023

    • Author(s)
      Kurasawa Shimon、Yasuda Yoshinari、Kato Sawako、Maruyama Shoichi、Okada Hirokazu、Kashihara Naoki、Narita Ichiei、Wada Takashi、Yamagata Kunihiro、et. al、the REACH-J CKD collaborators
    • Journal Title

      Hypertension Research

      Volume: 46 Issue: 11 Pages: 2478-2487

    • DOI

      10.1038/s41440-023-01358-z

    • Related Report
      2023 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Predictors of damage accrual in patients with antineutrophil cytoplasmic antibody?associated vasculitis: A nationwide prospective study2023

    • Author(s)
      Hara Akinori、Sada Ken-ei、Wada Takashi、Amano Koichi、Dobashi Hiroaki、Atsumi Tatsuya、Sugihara Takahiko、Hirayama Kouichi、Banno Shogo、Murakawa Yohko、Hasegawa Midori、Yamagata Kunihiro、Arimura Yoshihiro、Makino Hirofumi、Harigai Masayoshi
    • Journal Title

      Modern Rheumatology

      Volume: 34 Issue: 2 Pages: 382-390

    • DOI

      10.1093/mr/road029

    • Related Report
      2023 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Transcription factor c-Maf deletion improves streptozotocin-induced diabetic nephropathy by directly regulating Sglt2 and Glut22023

    • Author(s)
      Fujino Mitsunori、Morito Naoki、Hayashi Takuto、Ojima Masami、Ishibashi Shun、Kuno Akihiro、Koshiba Seizo、Yamagata Kunihiro、Takahashi Satoru
    • Journal Title

      JCI Insight

      Volume: 8 Issue: 6

    • DOI

      10.1172/jci.insight.163306

    • Related Report
      2023 Research-status Report 2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Trends in the incidence of kidney replacement therapy: comparisons of ERA, USRDS, and Japan registries.2023

    • Author(s)
      Yamagata Kunihiro
    • Journal Title

      Nephrol Dial Transplant.

      Volume: 38 Issue: 4 Pages: 797-799

    • DOI

      10.1093/ndt/gfac312

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] In Silico Based Approach to the Discovery of New Antigens in Membranous Nephropathy2022

    • Author(s)
      Takahashi-Kobayashi Mayumi、Usui Joichi、Kawanishi Kunio、Yamagata Kunihiro
    • Journal Title

      Journal of the American Society of Nephrology

      Volume: 33 Issue: 12 Pages: 2321-2322

    • DOI

      10.1681/asn.2022070832

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Mitochondrial DNA deletion-dependent podocyte injuries in Mito-miceΔ, a murine model of mitochondrial disease2022

    • Author(s)
      Kaneko Shuzo、Usui Joichi、Hagiwara Masahiro、Shimizu Tatsuya、Ishii Ryota、Takahashi-Kobayashi Mayumi、Kageyama Mikiko、Nakada Kazuto、Hayashi Jun-Ichi、Yamagata Kunihiro
    • Journal Title

      Experimental Animals

      Volume: 71 Issue: 1 Pages: 14-21

    • DOI

      10.1538/expanim.21-0054

    • NAID

      130008158653

    • ISSN
      0007-5124, 1341-1357, 1881-7122
    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Levels of Soluble NKG2D Ligands and Cancer History in Patients Starting Hemodialysis2022

    • Author(s)
      Nagai Kei、Tawara Takashi、Usui Joichi、Ebihara Itaru、Ishizu Takashi、Kobayashi Masaki、Maeda Yoshitaka、Kobayashi Hiroaki、Yamagata Kunihiro
    • Journal Title

      Frontiers in Nephrology

      Volume: 2 Pages: 1-8

    • DOI

      10.3389/fneph.2022.875207

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Study protocol and baseline characteristics of newly induced dialysis patients: a prospective multi-center cohort study with a biological sample bank, the Ibaraki Dialysis Initiation Cohort (iDIC) study2022

    • Author(s)
      Tawara-Iida Takashi、Usui Joichi、Ebihara Itaru、Ishizu Takashi、Kobayashi Masaki、Maeda Yoshitaka、Kobayashi Hiroaki、Kobayashi Tokuro、Ueda Atsushi、Tsuchida Makoto、Sakai Shinichiro、Yamagata Kunihiro、and the Study Group of the Ibaraki Dialysis Initiation Cohort Study
    • Journal Title

      BMC Nephrology

      Volume: 23 Issue: 1 Pages: 104-104

    • DOI

      10.1186/s12882-022-02729-3

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Epidemiology and temporal changes in the prognosis of rapidly progressive glomerulonephritis in Japan: a nationwide 1989?2015 survey2021

    • Author(s)
      Kaneko Shuzo、Yamagata Kunihiro、Usui Joichi、Tsuboi Naotake、Sugiyama Hitoshi、Maruyama Shoichi、Narita Ichiei
    • Journal Title

      Clinical and Experimental Nephrology

      Volume: 26 Issue: 3 Pages: 234-246

    • DOI

      10.1007/s10157-021-02148-y

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Immunohistological score of transcription factor 21 had a positive correlation with its urinary excretion and proteinuria in immunoglobulin A nephropathy.2021

    • Author(s)
      Takahashi-Kobayashi M, Usui J, Yaguchi M, Yamazaki S, Kawamura T, Kaneko S, Seshan SV, Yamagata K.
    • Journal Title

      Histol Histopathol.

      Volume: 36 Pages: 1093-1098

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] つくば高血圧マウスに対するリン負荷による腎病態の検討2024

    • Author(s)
      野口和之、秋山知希、室町直人、丸橋春介、本村香織、石田純治、臼井丈一、山縣邦弘、深水昭吉
    • Organizer
      第46回日本高血圧学会総会
    • Related Report
      2024 Annual Research Report
  • [Presentation] 血清CPP/リン比:透析導入患者の心血管イベントの新規予測因子(茨城県透析導入コホート研究より)2023

    • Author(s)
      秋山知希、臼井丈一、岩津好隆、海老原至、石津 隆、小林正貴、前田益孝、小林弘明、黒尾 誠、山縣邦弘
    • Organizer
      第66回日本腎臓学会学術総会
    • Related Report
      2023 Research-status Report
  • [Presentation] 扁桃摘出術とステロイドパルス療法を要する活動性IgA腎症にアスリートリハビリテーションを実施した一例2023

    • Author(s)
      井上晃平、臼井俊明、野村惣一朗、石井龍太、秋山知希、角田亮也、甲斐平康、森戸直記、間瀬かおり、臼井丈一、斎藤知栄、瀧田 翔、森 利雄、鎌田浩史、山縣邦弘
    • Organizer
      第13回日本腎臓リハビリテーション学会
    • Related Report
      2022 Research-status Report
  • [Presentation] 柴胡加竜骨牡蛎湯の関与が疑われる急性尿細管間質性腎炎に対しステロイド治療が奏効した1 例2022

    • Author(s)
      塚田 剛,臼井俊明,井上晃平,古野慎太郎,新坂真広,野村惣一朗,原田拓也,秋山知希,石井龍太,角田亮也,藤田亜紀子,甲斐平康,森戸直記,間瀬かおり,齋藤知栄,臼井丈一,山縣邦弘
    • Organizer
      第52回日本腎臓学会東部学術集会
    • Related Report
      2022 Research-status Report
  • [Presentation] 肺癌化学療法中に急性尿細管間質性腎炎を来し,ステロイド加療で血液透析から離脱した一例2022

    • Author(s)
      新坂真広,篠崎有希,加瀬田幸司,高田健治,山縣邦弘
    • Organizer
      第52回日本腎臓学会東部学術集会
    • Related Report
      2022 Research-status Report
  • [Presentation] 薬剤性の急性尿細管間質性腎炎と鑑別を要したANCA 陰性のpauci-immune 型半月体形成性腎炎の一例2022

    • Author(s)
      服部晃久,本村鉄平,野村惣一朗,日野雅予,小林弘明,山縣邦弘
    • Organizer
      第52回日本腎臓学会東部学術集会
    • Related Report
      2022 Research-status Report
  • [Presentation] MAFB変異疾患(MCTO)モデルマウスのポドサイト障害に対するイマチニブの治療効果2022

    • Author(s)
      臼井俊明、森戸直記、石橋駿、西野哲平、金井真帆、Natalia Gogoleva、井上由理、布施谷清香、久野朗広、濱田理人、水野聖哉、髙橋智、山縣邦弘
    • Organizer
      第65回日本腎臓学会学術総会
    • Related Report
      2022 Research-status Report

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Published: 2021-04-28   Modified: 2026-01-16  

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