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IWAYAMA TOMOAKI
岩山 智明
IWAYAMA TOMOAKI
岩山 智明
Graduate School of Dentistry Course for Oral Sciences, Associate Professor (Lecturer)

Research History 8

  1. 2024/04 - Present
    大阪大学医学系研究科保健学専攻 再生誘導医学協働研究所 講師(兼任)

  2. 2024/04 - Present
    大阪大学大学院歯学研究科 口腔治療学講座 講師

  3. 2020/10 - 2024/03
    大阪大学医学系研究科保健学専攻 再生誘導医学協働研究所 助教(兼任)

  4. 2018/10 - 2024/03
    Osaka University Graduate School of Dentistry

  5. 2018/01 - 2018/09
    Osaka University Graduate School of Dentistry

  6. 2015/04 - 2017/08
    日本学術振興会 特別研究員PD

  7. 2011/04 - 2015/03
    オクラホマ医学研究財団 研究員

  8. 2017/09 - 2017/12
    Osaka University Graduate School of Dentistry

Education 2

  1. Osaka University Graduate School of Dentistry

    2007/04 - 2011/03

  2. Osaka University School of Dentistry

    2000/04 - 2006/03

Professional Memberships 4

  1. JAPANESE ASSOCIATION FOR DENTAL RESEARCH

  2. JAPANESE SOCIETY FOR BONE AND MINERAL RESEARCH

  3. THE JAPANESE SOCIETY OF CONSERVATIVE DENTISTRY

  4. JAPANESE SOCIETY OF PERIODONTOLOGY

Awards 9

  1. JADR/ Lotte 学術賞

    国際歯科研究学会日本部会 2024/11

  2. JSP Distinguished Scientist Award

    The Japanese Society of Periodontology 2023

  3. 大阪大学大学院歯学研究科 研究科長賞

    岩山智明 2023

  4. 優秀研究奨励賞(指導教員)

    岩山智明 大阪大学歯学会 2023

  5. Young Innovator Award

    岩山智明 CREST細胞外微粒子 2022

  6. 大阪大学大学院歯学研究科 研究科長賞

    岩山智明 2021

  7. 優秀ディスカッション賞

    岩山智明 日本骨代謝学会 2018

  8. JADR/GC学術奨励賞

    岩山智明 国際歯科研究学会日本部会 2016

  9. 優秀研究奨励賞

    岩山智明 大阪大学歯学会 2012

Papers 27

  1. Structural analysis of melanosomes in living mammalian cells using scanning electron-assisted dielectric microscopy with deep neural network.

    Tomoko Okada, Tomoaki Iwayama, Taku Ogura, Shinya Murakami, Toshihiko Ogura

    Computational and structural biotechnology journal Vol. 21 p. 506-518 2023 Research paper (scientific journal)

  2. Periodontal tissue stem cells and mesenchymal stem cells in the periodontal ligament.

    Tomoaki Iwayama, Hiromi Sakashita, Masahide Takedachi, Shinya Murakami

    The Japanese dental science review Vol. 58 p. 172-178 2022/11 Research paper (scientific journal)

  3. Plap-1 lineage tracing and single-cell transcriptomics reveal cellular dynamics in the periodontal ligament.

    Tomoaki Iwayama, Mizuho Iwashita, Kazuya Miyashita, Hiromi Sakashita, Shuji Matsumoto, Kiwako Tomita, Phan Bhongsatiern, Tomomi Kitayama, Kentaro Ikegami, Takashi Shimbo, Katsuto Tamai, Masanori A Murayama, Shuhei Ogawa, Yoichiro Iwakura, Satoru Yamada, Lorin E Olson, Masahide Takedachi, Shinya Murakami

    Development (Cambridge, England) Vol. 149 No. 19 2022/10/01 Research paper (scientific journal)

  4. Matrix Vesicle–Mediated Mineralization and Potential Applications

    T. Iwayama, P. Bhongsatiern, M. Takedachi, S. Murakami

    Journal of Dental Research Vol. 101 No. 13 p. 1554-1562 2022/06/19 Research paper (scientific journal)

    Publisher: SAGE Publications
  5. Zbp1-positive cells are osteogenic progenitors in periodontal ligament.

    Tomoaki Iwayama

    Scientific reports Vol. 11 No. 1 2021/04/06 Research paper (scientific journal)

    Publisher: Springer Science and Business Media LLC
  6. Mice lacking PLAP-1/asporin counteracts high fat diet-induced metabolic disorder and alveolar bone loss by controlling adipose tissue expansion.

    Hiromi Sakashita, Satoru Yamada, Masaki Kinoshita, Tetsuhiro Kajikawa, Tomoaki Iwayama, Shinya Murakami

    Scientific reports Vol. 11 No. 1 p. 4970-4970 2021/03/02 Research paper (scientific journal)

  7. Nanoscale observation of PM2.5 incorporated into mammalian cells using scanning electron-assisted dielectric microscope.

    Tomoko Okada, Tomoaki Iwayama, Shinya Murakami, Masaki Torimura, Toshihiko Ogura

    Scientific reports Vol. 11 No. 1 p. 228-228 2021/01/08 Research paper (scientific journal)

  8. Osteoblastic lysosome plays a central role in mineralization.

    Tomoaki Iwayama, Tomoko Okada, Tsugumi Ueda, Kiwako Tomita, Shuji Matsumoto, Masahide Takedachi, Satoshi Wakisaka, Takeshi Noda, Taku Ogura, Tomomichi Okano, Peter Fratzl, Toshihiko Ogura, Shinya Murakami

    Science advances Vol. 5 No. 7 2019/07

  9. PDGFRα signaling drives adipose tissue fibrosis by targeting progenitor cell plasticity.

    Tomoaki Iwayama, Cameron Steele, Longbiao Yao, Mikhail G Dozmorov, Dimitris Karamichos, Jonathan D Wren, Lorin E Olson

    Genes & development Vol. 29 No. 11 p. 1106-19 2015/06/01

  10. Involvement of PDGF in fibrosis and scleroderma: recent insights from animal models and potential therapeutic opportunities.

    Tomoaki Iwayama, Lorin E Olson

    Current rheumatology reports Vol. 15 No. 2 p. 304-304 2013/02

  11. Adiponectin regulates functions of gingival fibroblasts and periodontal ligament cells.

    T Iwayama, M Yanagita, K Mori, K Sawada, M Ozasa, M Kubota, K Miki, Y Kojima, M Takedachi, M Kitamura, Y Shimabukuro, T Hashikawa, S Murakami

    Journal of periodontal research Vol. 47 No. 5 p. 563-71 2012/10

  12. Anti-inflammatory Annexin A1 in Periodontitis via Formyl Peptide Receptor 2.

    M Takedachi, M Murata, K Sawada, K Kawasaki, K Kawakami, A Sugimoto, C Morimoto, H Sakashita, Y Usami, C Fujihara, T Iwayama, S Murakami

    Journal of dental research Vol. 104 No. 9 p. 1014-1021 2025/08 Research paper (scientific journal)

  13. Mice Lacking PLAP-1/Asporin Show Alteration of Periodontal Ligament Structures and Acceleration of Bone Loss in Periodontitis.

    Masaki Kinoshita, Satoru Yamada, Junichi Sasaki, Shigeki Suzuki, Tetsuhiro Kajikawa, Tomoaki Iwayama, Chiharu Fujihara, Satoshi Imazato, Shinya Murakami

    International journal of molecular sciences Vol. 24 No. 21 2023/11/05 Research paper (scientific journal)

  14. Activation of periodontal ligament cell cytodifferentiation by juxtacrine signaling from cementoblasts.

    Keigo Sawada, Junpei Shimomura, Masahide Takedachi, Mari Murata, Chiaki Morimoto, Kohsuke Kawasaki, Kazuma Kawakami, Tomoaki Iwayama, Shinya Murakami

    Journal of periodontology 2023/07/26 Research paper (scientific journal)

  15. Periodontal Tissue Regeneration by Transplantation of Autologous Adipose Tissue-Derived Multi-Lineage Progenitor Cells With Carbonate Apatite.

    Masahide Takedachi, Kohsuke Kawasaki, Keigo Sawada, Kazuma Sakura, Mari Murata, Junpei Shimomura, Kazuma Kawakami, Chiaki Morimoto, Koji Miki, Noboru Takeshita, Tomoaki Iwayama, Hanayuki Okura, Akifumi Matsuyama, Masahiro Saito, Masahiro Kitamura, Shinya Murakami

    Cell transplantation Vol. 32 p. 9636897231198296-9636897231198296 2023 Research paper (scientific journal)

  16. Evaluation of periodontitis-related tooth loss according to the new 2018 classification of periodontitis.

    Masahide Takedachi, Yoshio Shimabukuro, Keigo Sawada, Mami Koshimizu, Kazuko Shinada, Harumi Asai, Ayumi Mizoguchi, Yuko Hayashi, Akina Tsukamoto, Midori Miyago, Fuuka Nishihara, Takako Nishihata, Michiyo Shimabukuro, Hiroyuki Kurakami, Tomoharu Sato, Yayoi Hamazaki, Tomoaki Iwayama, Chiharu Fujihara, Shinya Murakami

    Scientific reports Vol. 12 No. 1 p. 11893-11893 2022/07/13 Research paper (scientific journal)

  17. Periodontal tissue regeneration by transplantation of autologous adipose tissue-derived multi-lineage progenitor cells.

    Masahide Takedachi, Keigo Sawada, Kazuma Sakura, Chiaki Morimoto, Asae Hirai, Tomoaki Iwayama, Junpei Shimomura, Kohsuke Kawasaki, Chiharu Fujihara, Yoichiro Kashiwagi, Akimitsu Miyake, Tomomi Yamada, Hanayuki Okura, Akifumi Matsuyama, Masahiro Saito, Masahiro Kitamura, Shinya Murakami

    Scientific reports Vol. 12 No. 1 p. 8126-8126 2022/05/17 Research paper (scientific journal)

  18. Reciprocal role of PLAP-1 in HIF-1α-mediated responses to hypoxia.

    Masahide Takedachi, Satomi Yamamoto, Kohsuke Kawasaki, Junpei Shimomura, Mari Murata, Chiaki Morimoto, Asae Hirai, Kazuma Kawakami, Phan Bhongsatiern, Tomoaki Iwayama, Keigo Sawada, Satoru Yamada, Shinya Murakami

    Journal of periodontal research 2022/02/09 Research paper (scientific journal)

  19. Periodontal inflamed surface area is associated with hs-CRP in septuagenarian Japanese adults in cross-sectional findings from the SONIC study.

    Koji Miki, Masahiro Kitamura, Kodai Hatta, Kei Kamide, Yasuyuki Gondo, Motozo Yamashita, Masahide Takedachi, Takenori Nozaki, Chiharu Fujihara, Yoichiro Kashiwagi, Tomoaki Iwayama, Toshihito Takahashi, Hitomi Sato, Yuki Murotani, Mai Kabayama, Yasushi Takeya, Yoichi Takami, Hiroshi Akasaka, Koichi Yamamoto, Ken Sugimoto, Tatsuro Ishizaki, Yukie Masui, Hiromi Rakugi, Kazunori Ikebe, Shinya Murakami

    Scientific reports Vol. 11 No. 1 p. 14436-14436 2021/07/14 Research paper (scientific journal)

  20. Hypoxia stimulates collagen hydroxylation in gingival fibroblasts and periodontal ligament cells.

    Chiaki Morimoto, Masahide Takedachi, Kohsuke Kawasaki, Junpei Shimomura, Mari Murata, Asae Hirai, Kazuma Kawakami, Keigo Sawada, Tomoaki Iwayama, Shinya Murakami

    Journal of periodontology 2021/03/04 Research paper (scientific journal)

  21. Association of periodontal disease with atherosclerosis in 70-year-old Japanese older adults.

    Masahiro Kitamura, Kazunori Ikebe, Kei Kamide, Yasuyuki Gondo, Motozo Yamashita, Masahide Takedachi, Takenori Nozaki, Chiharu Fujihara, Satoru Yamada, Yoichiro Kashiwagi, Koji Miki, Tomoaki Iwayama, Kodai Hatta, Yusuke Mihara, Yuko Kurushima, Hajime Takeshita, Mai Kabayama, Ryousuke Oguro, Tatsuo Kawai, Hiroshi Akasaka, Yasushi Takeya, Koichi Yamamoto, Ken Sugimoto, Tatsuro Ishizaki, Yasumichi Arai, Yukie Masui, Ryutaro Takahashi, Hiromi Rakugi, Yoshinobu Maeda, Shinya Murakami

    Odontology 2020/11/04 Research paper (scientific journal)

  22. Trophic factors from adipose tissue-derived multi-lineage progenitor cells promote cytodifferentiation of periodontal ligament cells.

    Keigo Sawada, Masahide Takedachi, Satomi Yamamoto, Chiaki Morimoto, Masao Ozasa, Tomoaki Iwayama, Chun Man Lee, Hanayuki Okura, Akifumi Matsuyama, Masahiro Kitamura, Shinya Murakami

    Biochemical and biophysical research communications Vol. 464 No. 1 p. 299-305 2015/08/14

  23. Detrimental effects of duplicate reads and low complexity regions on RNA- and ChIP-seq data.

    Mikhail G Dozmorov, Indra Adrianto, Cory B Giles, Edmund Glass, Stuart B Glenn, Courtney Montgomery, Kathy L Sivils, Lorin E Olson, Tomoaki Iwayama, Willard M Freeman, Christopher J Lessard, Jonathan D Wren

    BMC bioinformatics Vol. 16 Suppl 13 2015

  24. Periodontal tissue regeneration by transplantation of adipose tissue-derived multi-lineage progenitor cells

    OZASA MASAO, SAWADA KEIGO, IWAYAMA TOMOAKI, YAMAMOTO SATOMI, MORIMOTO CHIAKI, OKURA HANAYUKI, MATSUYAMA AKIHUMI, KOMODA HIROSHI, LEE CHUN MAN, SAWA YOSHIKI, KITAMURA MASAHIRO, HASHIKAWA TOMOKO, TAKEDACHI MASAHIDE, MURAKAMI SHINYA

    Inflamm Regen (Web) Vol. 34 No. 2 2014

  25. Fibroblast growth factor-2 stimulates directed migration of periodontal ligament cells via PI3K/AKT signaling and CD44/hyaluronan interaction.

    Yoshio Shimabukuro, Hiroaki Terashima, Masahide Takedachi, Kenichiro Maeda, Tomomi Nakamura, Keigo Sawada, Mariko Kobashi, Toshihito Awata, Hiroyuki Oohara, Takanobu Kawahara, Tomoaki Iwayama, Tomoko Hashikawa, Manabu Yanagita, Satoru Yamada, Shinya Murakami

    Journal of cellular physiology Vol. 226 No. 3 p. 809-21 2011/03

  26. Reduction of N-glycolylneuraminic acid xenoantigen on human adipose tissue-derived stromal cells/mesenchymal stem cells leads to safer and more useful cell sources for various stem cell therapies.

    Hiroshi Komoda, Hanayuki Okura, Chun Man Lee, Nagako Sougawa, Tomoaki Iwayama, Tomoko Hashikawa, Ayami Saga, Aya Yamamoto-Kakuta, Akihiro Ichinose, Shinya Murakami, Yoshiki Sawa, Akifumi Matsuyama

    Tissue engineering. Part A Vol. 16 No. 4 p. 1143-55 2010/04

  27. Basic fibroblast growth factor regulates expression of heparan sulfate in human periodontal ligament cells.

    Yoshio Shimabukuro, Tomoo Ichikawa, Yoshimitsu Terashima, Tomoaki Iwayama, Hiroyuki Oohara, Tetsuhiro Kajikawa, Ryohei Kobayashi, Hiroaki Terashima, Masahide Takedachi, Mami Terakura, Tomoko Hashikawa, Satoru Yamada, Shinya Murakami

    Matrix biology : journal of the International Society for Matrix Biology Vol. 27 No. 3 p. 232-41 2008/04

Misc. 13

  1. Matrix vesicle-mediated mineralization and periodontal regeneration

    Iwayama Tomoaki, Murakami Shinya

    Nihon Shishubyo Gakkai Kaishi (Journal of the Japanese Society of Periodontology) Vol. 63 No. 2 p. 31-36 2021

    Publisher: JAPANESE SOCIETY OF PERIODONTOLOGY
  2. クリニカル 新しい歯周病の分類

    岩山 智明, 村上 伸也

    日本歯科医師会雑誌 Vol. 72 No. 10 p. 818-831 2020/01

  3. アディポネクチンが歯周組織構成細胞の細胞機能に与える影響

    岩山 智明, 柳田 学, 村上 伸也

    大阪大学歯学雑誌 Vol. 59 No. 1 p. 17-19 2014/10

    Publisher: 大阪大学歯学会
  4. 歯周炎新分類に基づく診断とメインテナンス期の歯周病に関連した歯の喪失発生率との関連性

    竹立 匡秀, 島袋 善夫, 沢田 啓吾, 小清水 まみ, 品田 和子, 浅井 晴美, 溝口 あゆみ, 林 裕子, 塚本 明奈, 宮後 緑, 西原 風香, 西端 隆子, 島袋 美千代, 岩山 智明, 藤原 千春, 村上 伸也

    日本歯科保存学雑誌 Vol. 65 No. 2 p. 120-133 2022/04

    Publisher: (NPO)日本歯科保存学会
  5. 歯周炎新分類に基づく診断とメインテナンス期の歯周病に関連した歯の喪失未発生者率との関連性

    島袋 善夫, 竹立 匡秀, 沢田 啓吾, 小清水 まみ, 西端 隆子, 岩山 智明, 藤原 千春, 村上 伸也

    日本歯科保存学雑誌 Vol. 65 No. 1 p. 64-77 2022/02

    Publisher: (NPO)日本歯科保存学会
  6. 歯周病新分類の解釈とその応用

    村上伸也, 藤原千春, 岩山智明

    日本臨床歯周病学会会誌 Vol. 39 No. 2 p. 20-26 2022/01

  7. The Functional Analysis of RVX-208 in Human Dental Pulp Cells: An Initiative for the Application of a Bioactive Compound, RV-208, on Direct Pulp Capping

    松本昌大, 藤原千春, 島袋善夫, 山本優, Teerachate NANTAKEERATIPAT, 北垣次郎太, 八木寛子, 林聡子, 岩山智明, 柏木陽一郎, 三木康史, 北村正博, 沢田啓吾, 木下茉優, 村上伸也

    日本歯科保存学雑誌(Web) Vol. 63 No. 6 2020

  8. Clinical Outcome of Periodontal Tissue Regeneration Therapy by Administration of Basic Fibroblast Growth Factor (FGF-2)

    Keigo SAWADA, Shoichi TSUJII, Arisa NODA, Kosuke HANADA, Kenji MASACHIKA, Shoko FUJITA, Mio SUZUKI, Hiroko YAGI, Kuniko IKEGAMI, Satomi YAMAMOTO, Kenta MORI, Masahiro KITAMURA, Tomomi NAKAMURA, Masao OZASA, Jirouta KITAGAKI, Tomoaki IWAYAMA, Yoichiro KASHIWAGI, Chiharu FUJIHARA, Koji MIKI, Masahide TAKEDACHI, Motozo YAMASHITA, Takenori NOZAKI, Shiori HASEGAWA, Shinya MURAKAMI, Chiaki MORIMOTO, Asae HIRAI, Akira IMAI, Kohsuke KAWASAKI, Koki HASHIMOTO, Momoko ASO

    The Japanese Journal of Conservative Dentistry Vol. 63 No. 3 p. 219-227 2020

    Publisher: The Japanese Society of Conservative Dentistry
  9. 歯科における再生医療技術等の実用化への課題 自己脂肪組織由来多系統前駆細胞移植による歯周組織再生療法の開発

    竹立 匡秀, 沢田 啓吾, 李 千萬, 岩山 智明, 山本 智美, 森本 千晶, 平井 麻絵, 佐野 夕子, 松山 晃文, 大倉 華雪, 北村 正博, 村上 伸也

    Journal of Oral Biosciences Supplement Vol. 2016 p. 165-165 2016/09

    Publisher: (一社)歯科基礎医学会
  10. ADMPC移植による歯周組織再生誘導効果とその作用機序の検討

    沢田 啓吾, 竹立 匡秀, 岩山 智明, 山本 智美, 森本 千晶, 平井 麻絵, 李 千萬, 松山 晃文, 大倉 華雪, 佐野 夕子, 北村 正博, 村上 伸也

    日本歯周病学会会誌 Vol. 58 No. 春季特別 p. 139-139 2016/04

    Publisher: (NPO)日本歯周病学会
  11. 歯根膜細胞におけるPLAP-1による低酸素応答の制御

    山本 智美, 竹立 匡秀, 岩山 智明, 森本 千晶, 平井 麻絵, 沢田 啓吾, 粟田 敏仁, 山田 聡, 村上 伸也

    日本歯周病学会会誌 Vol. 58 No. 春季特別 p. 119-119 2016/04

    Publisher: (NPO)日本歯周病学会
  12. 脂肪組織由来多系統前駆細胞の移植による新規歯周組織再生療法の開発

    沢田啓吾, 竹立匡秀, 岩山智明, 山本智美, 森本千晶, 平井麻絵, 李千萬, 松山晃文, 大倉華雪, 佐野夕子, 野崎剛徳, 北村正博, 村上伸也

    再生医療 Vol. 15 2016/02/01

  13. 自己脂肪組織由来多系統前駆細胞移植による歯周組織再生療法の開発

    竹立匡秀, 沢田啓吾, LEE CM, 岩山智明, 山本智美, 森本千晶, 平井麻絵, 佐野夕子, 松山晃文, 大倉華雪, 北村正博, 村上伸也

    Journal of Oral Biosciences Supplement (Web) Vol. 2016 2016

Publications 1

  1. 歯科臨床の羅針盤2―思い込みの歯科医療からの脱却―

    岩山 智明, 村上 伸也

    インターアクション株式会社 2018

    ISBN: 4909066136

Presentations 7

  1. Periodontal ligament for tissue regeneration and destruction

    Tomoaki Iwayama

    23rd annual meeting of Korean Association of Oral Science 2024/11/22

  2. Mechanisms of Periodontal Tissue Homeostasis

    Tomoaki Iwayama

    FDCU International Symposium 2023 2023/05/23

  3. Role of osteoblastic lysosome in mineralization

    Tomoaki Iwayama

    Japan Bone Academy 2020/11/21

  4. Stem cells/progenitors in periodontal ligament

    Tomoaki Iwayama

    IADR-APR Young Researcher Forum 2020/07/31

  5. Analysis of periodontal ligament stem cells in vivo

    T. Iwayama, S. Murakami

    The 9th Japan-Thailand-Korea Joint Symposium 2019/10/18

  6. PDGFRαシグナルによるpericytesの運命決定機構の解明

    岩山智明

    第58回歯科基礎医学会学術大会サテライトシンポジウム 2016/08/24

  7. Nestin-positive pericytes in periodontal ligament

    岩山智明

    International Symposium “Tissue Regeneration and Immunology” 2016/02/17

Institutional Repository 2

Content Published in the University of Osaka Institutional Repository (OUKA)
  1. 歯根膜細胞による歯周組織の恒常性維持機構

    岩下 瑞穂, 岩山 智明, 村上 伸也

    The Journal of Osaka University Dental Society Vol. 68 No. 1 p. 9-12 2024/01/15

  2. Matrix Vesicle–Mediated Mineralization and Potential Applications

    Iwayama Tomoaki, Bhongsatiern Phan, Takedachi Masahide, Murakami Shinya

    Journal of Dental Research Vol. 101 No. 13 p. 1554-1562 2022/06/19