Personnel Information

写真a

KOMATSU Keiji


Job title

Visiting Lecturer
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Campus Career 【 display / non-display 】

  • 2016.10
    -
    2017.03
    Tokyo Medical and Dental University， (Old Organization)Dental Hospital， Trainee Resident
  • 2017.04
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    2018.03
    Tokyo Medical and Dental University， Graduate School of Medical and Dental Sciences， Medical and Dental Science and Technology， Student
  • 2018.04
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    2021.03
    Tokyo Medical and Dental University， Graduate School of Medical and Dental Sciences， Medical and Dental Sciences， Division of Bio-Matrix， Department of Periodontology， Graduate Student
  • 2018.04
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    2021.03
    Tokyo Medical and Dental University， Graduate School of Medical and Dental Sciences， Medical and Dental Sciences， Bio-Matrix， Periodontology， Graduate Student
  • 2021.11
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    2022.04
    Tokyo Medical and Dental University， Graduate School of Medical and Dental Sciences， Health Sciences and Biomedical Engineering， Department of Lifetime Oral Health Care Sciences， Visiting Lecturer
  • 2022.05
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    2023.04
    Tokyo Medical and Dental University， Graduate School of Medical and Dental Sciences， Health Sciences and Biomedical Engineering， Department of Lifetime Oral Health Care Sciences， Visiting Lecturer
  • 2023.05
    -
    Now
    Tokyo Medical and Dental University， Graduate School of Medical and Dental Sciences， Health Sciences and Biomedical Engineering， Department of Lifetime Oral Health Care Sciences， Visiting Lecturer

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Published Papers & Misc 【 display / non-display 】

  1. Shiba T, Komatsu K, Takeuchi Y, Koyanagi T, Taniguchi Y, Takagi T, Maekawa S, Nagai T, Kobayashi R, Matsumura S, Katagiri S, Izumi Y, Aoki A, Iwata T. Novel flowchart guiding the non-surgical and surgical management of peri-implant complications: a narrative review Bioenginnering. 2024.01; 11 (2): 118.

  2. Shiba T, Komatsu K, Watanabe T, Takeuchi Y, Nemoto T, Ohsugi Y, Katagiri S, Shimogishi M, Marukawa E, Iwata T. Peri-implantitis management by resective surgery combined with implantoplasty and Er:YAG laser irradiation, accompanied by free gingival graft: a case report. Therapeutic advances in chronic disease. 2023.06; 14 20406223231174816. ( PubMed, DOI )

  3. Kataoka A, Shiba T, Katagiri S, Koyama S, Kito K, Ota T, Katayama T, Ohsugi Y, Nagai T, Kobayashi R, Komatsu K, Urata M, Imazuru T, Iwata T, Kozuma K. Novel and Efficient Method for Diagnosing Infective Endocarditis Using 16S Ribosomal RNA Gene Amplicon Sequence JACC Case Reports. 2023.04; 11 101793. ( PubMed, DOI )

  4. Yuki Nagasawa, Sayaka Katagiri, Kazuharu Nakagawa, Tomomitsu Hirota, Kanako Yoshimi, Aritoshi Uchida, Masahiro Hatasa, Keiji Komatsu, Takahiko Shiba, Yujin Ohsugi, Naofumi Uesaka, Takanori Iwata, Haruka Tohara. Xanthan gum-based fluid thickener decreases postprandial blood glucose associated with increase of Glp1 and Glp1r expression in ileum and alteration of gut microbiome 2022.11;

  5. Nagasawa Y, Katagiri S, Nakagawa K, Hirota T, Yoshimi K, Uchida A, Hatasa M, Komatsu K, Shiba T, Ohsugi Y, Uesaka N, Iwata T, Tohara H. Xanthan gum-based fluid thickener decreases postprandial blood glucose associated with increase of Glp1 and Glp1r expression in ileum and alteration of gut microbiome Journal of Functional Foods. 2022.11; e-pub

  6. Ohsugi Y, Hatasa M, Katagiri S, Hirota T, Shimohira T, Shiba T, Komatsu K, Tsuchiya Y, Fukuba S, Lin P, Toyoshima K, Maekawa S, Niimi H, Iwata T, Aoki A. High-frequency pulsed diode laser irradiation inhibits bone resorption in mice with ligature-induced periodontitis Journal of Clinical Periodontology. 2022.07; e-pub ( PubMed, DOI )

  7. Shiba T, Katagiri S, Komatsu K, Nemoto T, Takeuchi Y, Chen B, Zhou YS, Iwata T. Treatment of peri-implantitis caused by malpositioning and an extra implant: a case report Int J Periodontics Restorative Dent. 2022.01; 42 (1): e15-e20. ( PubMed, DOI )

  8. Shimogishi M, Watanabe T, Shibasaki M, Shiba T, Komatsu K, Nemoto T, Ishihara K, Nakano Y, Iwata T, Kasugai S, Nakagawa I. Patient-specific establishment of bacterial composition within the peri-implant microbiota during the earliest weeks after implant uncovering. Journal of Periodontal Research. 2021.10; 56 (5): 964-971. ( PubMed, DOI )

  9. Nemoto T, Shiba T, Komatsu K, Watanabe T, Shimogishi M, Shibasaki M, Koyanagi T, Nagai T, Katagiri S, Takeuchi Y, Iwata T. Discrimination of bacterial community structures among healthy, gingivitis, and periodontitis statuses through integrated metatranscriptomic and network analyses. mSystems. 2021.10; e0088621. ( PubMed, DOI )

  10. Shiba Takahiko, Komatsu Keiji, Sudo Takeaki, Sawafuji Rikai, Saso Aiko, Ueda Shintaroh, Watanabe Takayasu, Nemoto Takashi, Kano Chihiro, Nagai Takahiko, Ohsugi Yujin, Katagiri Sayaka, Takeuchi Yasuo, Kobayashi Hiroaki, Iwata Takanori. Comparison of Periodontal Bacteria of Edo and Modern Periods Using Novel Diagnostic Approach for Periodontitis With Micro-CT FRONTIERS IN CELLULAR AND INFECTION MICROBIOLOGY. 2021.09; 11 723821. ( PubMed, DOI )

  11. Saida H, Fukuba S, Shiba T, Komatsu K, Iwata T, Nitta H. Two-stage approach for class II mandibular furcation defect with insufficient keratinized mucosa: a case report with 3 years' follow-up. The Journal of international medical research. 2021.09; 49 (9): 3000605211044595. ( PubMed, DOI )

  12. Lin P, Niimi H, Ohsugi Y, Tsuchiya Y, Shimohira T, Komatsu K, Liu A, Shiba T, Aoki A, Iwata T, Katagiri S. Application of Ligature-Induced Periodontitis in Mice to Explore the Molecular Mechanism of Periodontal Disease International Journal of Molecular Sciences. 2021.08; 22 (16): 8900. ( PubMed, DOI )

  13. Shiba T, Watanabe T, Komatsu K, Koyanagi T, Nemoto T, Ohsugi Y, Michi Y, Katagiri S, Takeuchi Y, Ishihara K, Iwata T. Non-surgical treatment for periodontitis and peri-implantitis: longitudinal clinical and bacteriological findings-A case report with a 7-year follow-up evaluation. SAGE open medical case reports. 2021; 9 2050313X211029154. ( PubMed, DOI )

  14. Komatsu K, Shiba T, Takeuchi Y, Watanabe T, Koyanagi T, Nemoto T, Shimogishi M, Shibasaki M, Katagiri S, Kasugai S, Iwata T. Discriminating Microbial Community Structure Between Peri-Implantitis and Periodontitis With Integrated Metagenomic, Metatranscriptomic, and Network Analysis Frontiers in Cellular and Infection Microbiology, Tokyo Medical and Dental University. 2020.12; 10 596490. ( DOI )

  15. Watanabe Kazuki, Katagiri Sayaka, Takahashi Hirokazu, Sasaki Naoki, Maekawa Shogo, Komazaki Rina, Hatasa Masahiro, Kitajima Yoichiro, Maruyama Yusuke, Shiba Takahiko, Komatsu Keiji, Ohsugi Yujin, Tanaka Kenichi, Matsuzawa Ayumi, Hirota Tomomitsu, Tohara Haruka, Eguchi Yuichiro, Anzai Keizo, Hattori Atsuhiko, Iwata Takanori. Porphyromonas gingivalis impairs glucose uptake in skeletal muscle associated with altering gut microbiota FASEB JOURNAL. 2020.11; 35 (2): e21171. ( PubMed, DOI )

  16. Katagiri S, Shiba T, Tohara H, Yamaguchi K, Hara K, Nakagawa K, Komatsu K, Watanabe K, Ohsugi Y, Maekawa S, Iwata T. Re-initiation of Oral Food Intake Following Enteral Nutrition Alters Oral and Gut Microbiota Communities Frontiers in Cellular and Infection Microbiology. 2019.12; 9 434. ( PubMed, DOI )

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Conference Activities & Talks 【 display / non-display 】

  1. 下平　剛, 大杉勇人, 片桐さやか, 芝多佳彦, 駒津匡二, 劉　安豪, 林　培雅, 豊嶋啓汰, 青木　章. 近赤外線光線療法の薬剤関連性顎骨壊死への応用と分子機構の解明. 第64回歯科基礎医学会学術大会 2022.09.17 徳島

  2. Komatsu K, Takeuchi Y, Shiba T, Watanabe T, Shimogishi M, Shibasaki M, Nemoto T, Koyanagi T, Katagiri S, Iwata T. Omics analysis defines differences in microbial community structure between peri-implantitis and periodontitis. The 68th Annual Meeting of Japan Dental Research 2020.11.07 Virtual

  3. Komatsu K, Shiba T, Watanabe T, Nemoto T, Koyanagi T, Iwata T. Non-surgical treatment and microbiome of periodontitis and peri-implantitis: seven-year. The 106th Annual Meeting of the American Academy of Periodontology in collaboration with the Japanese Society of Periodontology and Japanese Academy of Clinical Periodontology 2020.11.06 Virtual

  4. 芝 多佳彦,竹内康雄,片桐さやか,駒津匡二,小柳達郎,根本昂,青木章. オミックス解析による口腔内複合感染症の病因および病態機序の解明. 第83回 口腔病学会学術大会 2018.12.01 東京都文京区

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