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2017 Fiscal Year Research-status Report

人工股関節置換術後の骨溶解を制御する新規治療法の開発

Research Project

Project/Area Number 17K10993
Research InstitutionHokkaido University

Principal Investigator

テルカウィ アラー  北海道大学, 医学研究院, 助教 (00723074)

Project Period (FY) 2017-04-01 – 2020-03-31
KeywordsOsteolysis / Inflammation / Osteoclastogenesis / Bone resorption
Outline of Annual Research Achievements

Transcriptional profiling of human macrophages exposed to ultra-high molecular weight polyethylene (UHMWPE) particles was analyzed using RNA-Seq. A total of 1218 transcripts were differentially expressed in macrophages stimulated with UHMWPE particles as compared with control cultured without particles. Results revealed that macrophages generate a broad and vigorous set of gene expression in response to wear particles, functionally classified in cellular signaling, development, immune response and adhesion. Gene enrichment analysis suggested that macrophages stimulated by UHMWPE particles elicited common gene expression signatures for inflammation and rheumatoid arthritis. These results support the concept that response of macrophages to UHMWPE particles is complex and includes osteolytic factors alongside inflammatory mediators. Among the regulated genes, TNFSF15 was further characterized as molecular target involved pathogenesis of osteolysis. On note, addition of TNFSF15 to the monocyte cultures resulted in an increase in osteoclastogenesis and bone-resorbing osteoclastic activity, suggesting its potential contribution to the implant loosening. Moreover, osteoclastic activity induced by TNFSF15 stimulation was significantly enhanced after addition of CCL20 chemokine, which may indicate synergistic effects of CCL20 in bone loss. These data provide a new insight into the molecular pathogenesis of osteolysis and highlight number of molecular targets with prognostic and therapeutic implications.

Current Status of Research Progress
Current Status of Research Progress

1: Research has progressed more than it was originally planned.

Reason

In this year, transcriptional profiling of human macrophages exposed to UHMWPE particles was performed and several molecular candidates were further selected based on the bioinformatics analysis for in vitro studies. Osteoclastogenesis and bone resorption assays for the selected molecules led to identify number of molecules which might be involved in osteolysis. Based on these reasons, the research plan for this fiscal year has been smoothly progressed as planned.

Strategy for Future Research Activity

Based on the findings in this study that osteolysis and implant loosening might occur in RNAKL-independent mechanism, we aim to continue screening assays in vitro and vitro with the selected molecules to clarify the mechanism of osteolysis and implant loosening. In this fiscal year, we aim also to study the signaling pathways initiated by our identified molecules that leads to osteoclasts differentiation and bone resorption. Moreover, we aim to study the contribution of neutrophils to pathogenesis of osteolysis.

  • Research Products

    (9 results)

All 2018 2017

All Journal Article (4 results) (of which Int'l Joint Research: 4 results,  Peer Reviewed: 4 results,  Open Access: 3 results) Presentation (5 results) (of which Int'l Joint Research: 3 results)

  • [Journal Article] Transcriptional profile of human macrophages stimulated by ultra-high molecular weight polyethylene particulate debris of orthopedic implants uncovers a common gene expression signature of rheumatoid arthritis2018

    • Author(s)
      Terkawi Mohamad Alaa、Hamasaki Masanari、Takahashi Daisuke、Ota Masahiro、Kadoya Ken、Yutani Tomoyo、Uetsuki Keita、Asano Tsuyoshi、Irie Tohru、Arai Ryuta、Onodera Tomohiro、Takahata Masahiko、Iwasaki Norimasa
    • Journal Title

      Acta Biomaterialia

      Volume: 65 Pages: 417~425

    • DOI

      10.1016/j.actbio.2017.11.001

    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Chemotherapeutic efficacies of a clofazimine and diminazene aceturate combination against piroplasm parasites and their AT-rich DNA-binding activity on Babesia bovis2017

    • Author(s)
      Tuvshintulga Bumduuren、AbouLaila Mahmoud、Sivakumar Thillaiampalam、Tayebwa Dickson Stuart、Gantuya Sambuu、Naranbaatar Khandsuren、Ishiyama Aki、Iwatsuki Masato、Otoguro Kazuhiko、?mura Satoshi、Terkawi Mohamad Alaa、Guswanto Azirwan、Rizk Mohamed Abdo、Yokoyama Naoaki、Igarashi Ikuo
    • Journal Title

      Scientific Report

      Volume: 7 Pages: -

    • DOI

      10.1038/s41598-017-14304-0

    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Human babesiosis: Indication of a molecular mimicry between thrombospondin domains from a novel Babesia microti BmP53 protein and host platelets molecules2017

    • Author(s)
      Mousa Ahmed Abdelmoniem、Roche Daniel Barry、Terkawi Mohamad Alaa、Kameyama Kyohko、Kamyingkird Ketsarin、Vudriko Patrick、Salama Akram、Cao Shinuo、Orabi Sahar、Khalifa Hanem、Ahmed Mohamed、Attia Mabrouk、Elkirdasy Ahmed、Nishikawa Yoshifumi、Xuan Xuenan、Cornillot Emmanuel
    • Journal Title

      Plos One

      Volume: 12 Pages: -

    • DOI

      10.1371/journal.pone.0185372

    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Immunization with Toxoplasma gondii peroxiredoxin 1 induces protective immunity against toxoplasmosis in mice2017

    • Author(s)
      Fereig Ragab M.、Kuroda Yasuhiro、Terkawi Mohamad Alaa、Mahmoud Motamed Elsayed、Nishikawa Yoshifumi
    • Journal Title

      Plos One

      Volume: 12 Pages: -

    • DOI

      10.1371/journal.pone.0176324

    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Presentation] Macrophage-secreted factors due to stimulation by implant wear debris promote osteoclast formation and function in bone loss2018

    • Author(s)
      Terkawi MA, Hamasaki M, Ota M, Takahashi D, Alhasan H, Takahashi M, Asano T, Irie T, Kadoya K, Iwasaki N.
    • Organizer
      2018 Orthopaedic Research Society meeting
    • Int'l Joint Research
  • [Presentation] Transcriptional profile of human macrophages stimulated by ultra-high molecular weight polyethylene particulate debris of orthopedic implants reveals a novel mechanism of osteolysis2018

    • Author(s)
      Terkawi MA, Hamasaki M, Ota M, Takahashi D, Alhasan H, Iwasaki N.
    • Organizer
      12th World Immune Regulation Meeting
    • Int'l Joint Research
  • [Presentation] Transcriptional profile of human macrophages stimulated by ultra-high molecular weight polyethylene particulate debris of orthopaedic implants uncovers a common gene expression signature of rheumatoid arthritis2017

    • Author(s)
      Terkawi MA, Hamasaki M, Takahashi D, Iwasaki N
    • Organizer
      The 16th Awaji International Forum of Infection and Immunity
    • Int'l Joint Research
  • [Presentation] Transcriptional profile of human macrophages exposed to ultra-high molecular weight polyethylene particles reveals a common gene expression signature of rheumatoid arthritis2017

    • Author(s)
      Terkawi MA, Hamasaki M, Takahashi D, Kadoya K, Asano T, Irie T, Onodera T, Iwasaki N
    • Organizer
      The 32nd Annual Research Meeting of the Japanese Orthopaedic Association
  • [Presentation] Comparison of gene expression profiles of human macrophages stimulated by conventional and vitamin E-blended ultra-high molecular weight polyethylene particles of orthopedic implants2017

    • Author(s)
      Terkawi MA, Hamasaki M, Takahashi D, Iwasaki N
    • Organizer
      The 39th Annual Meeting of the Japanese Society for Biomaterials

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Published: 2018-12-17  

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