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Last Updated :2025/04/19

Otani Takahito

Section of Functional Structure
Associate Professor

Researcher information

■ Degree
  • 博士(歯学), Kyushu University, Mar. 2015
■ Research Keyword
  • GPRC6A signaling
  • cancer-associated adipocytes
  • tumor microenvironment
  • pancreatic ductal adenocarcinoma
  • Signaling pathway
  • osteocalcin
  • Lipid metabolism
  • Glucose metabolism
  • Adipocyte
  • Cell death
■ Field Of Study
  • Life sciences, Nutrition and health science
  • Life sciences, Oral medicine
  • Life sciences, Metabolism and endocrinology

Career

■ Career
  • May 2024 - Present
    Fukuoka Dental College, 生体構造学講座機能構造学分野, 准教授
  • Dec. 2020 - Apr. 2024
    福岡歯科大学, 生体構造学講座機能構造学分野, 講師
  • Apr. 2016 - Nov. 2020
    Fukuoka Dental College, 生体構造学講座機能構造学分野, 助教
  • Apr. 2015 - Mar. 2016
    九州大学大学院歯学研究院, 口腔細胞工学分野, 学術研究員
  • Apr. 2010 - Mar. 2011
    九州大学病院, 歯科, 研修医
■ Educational Background
  • Apr. 2011 - Mar. 2015, Kyushu University, Faculty of Dental Science
  • Apr. 2004 - Mar. 2010, Kagoshima University, Faculty of dentistry

Research activity information

■ Award
  • Jul. 2021
    福岡歯科大学, 最優秀教育改善賞
  • May 2015
    日本学生支援機構 (JASSO), 特に優れた業績による返還免除 (全額免除)
    第一種奨学金
  • Mar. 2015
    一般財団法人岩垂育英会, 平成26年度奨学生
  • Sep. 2013
    先端歯学国際教育研究ネットワーク, 最優秀賞
  • Mar. 2010
    鹿児島大学歯学部, 野井倉賞
■ Paper
  • Roles of Nutrition-Sensing Receptor GPRC6A in Energy Metabolism and Oral Inflammatory Diseases
    Akiko Mizokami; Takahito Otani; Satoru Mukai; Masato Hirata
    Current Oral Health Reports, Aug. 2024, Reviewed
  • The role of adhesion molecules in osteocalcin-induced effects on glucose and lipid metabolism in adipocytes
    Takahito Otani; Akiko Mizokami; Hiroshi Takeuchi; Tetsuichiro Inai; Masato Hirata
    Biochimica et Biophysica Acta (BBA) - Molecular Cell Research, Apr. 2024, Reviewed
    Lead, Corresponding
  • JNK inhibition enhances cell-cell adhesion impaired by desmoglein 3 gene disruption in keratinocytes.
    Shuhei Ogawa; Takashi Ishii; Takahito Otani; Yuko Inai; Takashi Matsuura; Tetsuichiro Inai
    Histochemistry and cell biology, Jan. 2024, Reviewed
  • Structural and mutational analyses of decarboxylated osteocalcin provide insight into its adiponectin‐inducing activity
    Mineyuki Mizuguchi; Takeshi Yokoyama; Takahito Otani; Shiori Kuribara; Yuko Nabeshima; Takayuki Obita; Masato Hirata; Keiichi Kawano
    FEBS Letters, Apr. 2023, Reviewed
  • Inhibition of retinoid X receptor improved the morphology, localization of desmosomal proteins and paracellular permeability in three-dimensional cultures of mouse keratinocytes.
    Shoko Ishikawa; Misaki Nikaido; Takahito Otani; Kayoko Ogata; Hiroshi Iida; Yuko Inai; Sachio Tamaoki; Tetsuichiro Inai
    Microscopy (Oxford, England), Jun. 2022, Reviewed
  • Adipocyte-specific GPRC6A ablation promotes diet-induced obesity by inhibiting lipolysis.
    Satoru Mukai; Akiko Mizokami; Takahito Otani; Tomomi Sano; Miho Matsuda; Sakura Chishaki; Jing Gao; Tomoyo Kawakubo-Yasukochi; Ronghao Tang; Takashi Kanematsu; Hiroshi Takeuchi; Eijiro Jimi; Masato Hirata
    The Journal of biological chemistry, Jan. 2021, Reviewed
  • The roles of osteocalcin in lipid metabolism in adipose tissue and liver.
    Takahito Otani; Akiko Mizokami; Tomoyo Kawakubo-Yasukochi; Hiroshi Takeuchi; Tetsuichiro Inai; Masato Hirata
    Advances in biological regulation, Dec. 2020, Reviewed, No invitation
    Lead, Corresponding
  • The reduced susceptibility of mouse keratinocytes to retinoic acid may be involved in the keratinization of oral and esophageal mucosal epithelium.
    Shoji Miyazono; Takahito Otani; Kayoko Ogata; Norio Kitagawa; Hiroshi Iida; Yuko Inai; Takashi Matsuura; Tetsuichiro Inai
    Histochemistry and cell biology, Apr. 2020, Reviewed, No invitation
  • GLP-1 signaling is required for improvement of glucose tolerance by osteocalcin.
    Akiko Mizokami; Satoru Mukai; Jing Gao; Tomoyo Kawakubo-Yasukochi; Takahito Otani; Hiroshi Takeuchi; Eijiro Jimi; Masato Hirata
    The Journal of endocrinology, Feb. 2020, Reviewed, No invitation
  • Anisomycin, a JNK and p38 activator, suppresses cell-cell junction formation in 2D cultures of K38 mouse keratinocyte cells and reduces claudin-7 expression, with an increase of paracellular permeability in 3D cultures.
    Misaki Nikaido; Takahito Otani; Norio Kitagawa; Kayoko Ogata; Hiroshi Iida; Hisashi Anan; Tetsuichiro Inai
    Histochemistry and cell biology, May 2019, Reviewed, No invitation
  • Serum affects keratinization and tight junctions in three-dimensional cultures of the mouse keratinocyte cell line COCA through retinoic acid receptor-mediated signaling.
    Akane Ozaki; Takahito Otani; Norio Kitagawa; Kayoko Ogata; Hiroshi Iida; Hiroshi Kojima; Tetsuichiro Inai
    Histochemistry and cell biology, Apr. 2019, Reviewed, No invitation
  • Nisin, a food preservative produced by Lactococcus lactis, affects the localization pattern of intermediate filament protein in HaCaT cells.
    Norio Kitagawa; Takahito Otani; Tetsuichiro Inai
    Anatomical science international, Mar. 2019, Reviewed, No invitation
  • Osteocalcin triggers Fas/FasL-mediated necroptosis in adipocytes via activation of p300.
    Takahito Otani; Miho Matsuda; Akiko Mizokami; Norio Kitagawa; Hiroshi Takeuchi; Eijiro Jimi; Tetsuichiro Inai; Masato Hirata
    Cell death & disease, Dec. 2018, Reviewed, No invitation
    Lead, Corresponding
  • Ochratoxin A, citrinin and deoxynivalenol decrease claudin-2 expression in mouse rectum CMT93-II cells.
    Hideaki Nakayama; Norio Kitagawa; Takahito Otani; Hiroshi Iida; Hisashi Anan; Tetsuichiro Inai
    Microscopy (Oxford, England), Apr. 2018, Reviewed, No invitation
  • Tomosyn is a novel Akt substrate mediating insulin-dependent GLUT4 exocytosis.
    Koki Nagano; Hiroshi Takeuchi; Jing Gao; Yoshihide Mori; Takahito Otani; DaGuang Wang; Masato Hirata
    The international journal of biochemistry & cell biology, May 2015, Reviewed, No invitation
  • Signaling pathway for adiponectin expression in adipocytes by osteocalcin.
    Takahito Otani; Akiko Mizokami; Yoshikazu Hayashi; Jing Gao; Yoshihide Mori; Seiji Nakamura; Hiroshi Takeuchi; Masato Hirata
    Cellular signalling, Mar. 2015, Reviewed, No invitation
    Lead, Corresponding
■ MISC
  • Analysis of the effects of desmoglein 3 deficiency on keratinocytes
    小川修平; 大谷崇仁; 緒方佳代子; 稲井哲一朗
    Journal of Oral Biosciences Supplement (Web), 2022
  • (Symposiast) Amelioration of cell number and metabolic features of adipocytes by osteocalcin
    大谷崇仁; 松田美穂; 溝上顕子; 北河憲雄; 自見英治郎; 自見英治郎; 稲井哲一朗; 平田雅人
    Journal of Oral Biosciences Supplement (Web), 2020
  • (Symposiast) Necroptosis of Adipocytes Induced by Osteocalcin
    Takahito Otani; Miho Matsuda; Akiko Mizokami; Norio Kitagawa; Hiroshi Takeuchi; Eijiro Jimi; Tetsuichiro Inai; Masato Hirata
    Kyudai Oral Bioscience & OBT Research Center Joint International Symposium 2019, 02 Mar. 2019
  • (シンポジスト) 脂肪細胞を細胞死へと導く骨基質タンパクOsteocalcin
    大谷崇仁; 松田美穂; 溝上顕子; 北河憲雄; 自見英治郎; 自見英治郎; 稲井哲一朗; 平田雅人
    Journal of Oral Biosciences Supplement (Web), 2019
  • Programmed Necrosis of Adipocytes Induced by High-dose Osteocalcin
    Masato Hirata; Takahito Otani; Akiko Mizokami; Norio Kitagawa; Eijiro Jimi; Tetsuichiro Inai
    第39回日本臨床薬理学会学術総会, 01 Jul. 2018
  • ケラチノサイト液性因子による癌細胞排除の研究
    北河憲雄; 大谷崇仁; 緒方佳代子; 稲井哲一朗
    Journal of Oral Biosciences Supplement (Web), 2018
  • ケラチノサイトに対する抗菌ペプチドNisinの作用
    北河憲雄; 大谷崇仁; 稲井哲一朗
    日本解剖学会総会・全国学術集会講演プログラム・抄録集, 2018
  • オステオカルシンによる脂肪細胞のネクロトーシス
    大谷崇仁; 溝上顕子; 北河憲雄; 松田美穂; 自見英治郎; 稲井哲一郎; 平田雅人
    日本生化学会大会(Web), 2018
  • 上皮単独による癌細胞排除機構の研究
    北河憲雄; 大谷崇仁; 稲井哲一朗
    日本解剖学会総会・全国学術集会講演プログラム・抄録集, 2017
  • オステオカルシンによる脂肪細胞へのネクロトーシス誘導メカニズムの解明
    大谷崇仁; 溝上顕子; 北河憲雄; 平田雅人; 稲井哲一朗
    日本生化学会大会(Web), 2017
  • 癌細胞群を取り囲む正常細胞群の細胞骨格の解析
    北河憲雄; 大谷崇仁; 稲井哲一朗
    Journal of Oral Biosciences Supplement (Web), 2016
  • JNK阻害によるケラチノサイトの分化誘導
    北河憲雄; 大谷崇仁; 稲井哲一朗
    日本歯科医師会雑誌, 2016
  • ケラチノサイトの細胞骨格に対する食品添加物Nisinの作用
    北河憲雄; 大谷崇仁; 稲井哲一朗
    日本栄養・食糧学会大会講演要旨集, 2016
  • Osteocalcin signaling in adipocyte differentiation and functional regulation
    Takahito Otani; Hiroshi Takeuchi; Akiko Mizokami; Koki Nagano; Jing Gao; Masato Hirata
    Kyudai Oral Bioscience 2014 — 8th International Symposium —, 28 Feb. 2014
  • The differentiation and functional regulation of adipocytes by osteocalcin
    Takahito Otani; Hiroshi Takeuchi; Masato Hirata
    GORDON RESEARH CONFERENCE (BONES & TEETH - Translating Signaling Mechanisms into Therapy), 26 Jan. 2014
  • Functional regulation of adipocytes by osteocalcin
    Takahito Otani; Hiroshi Takeuchi; Akiko Mizokami; Koki Nagano; Jing Gao; Masato Hirata
    The 8th Japan-Korea Conference on Cellular Signaling for Young Scientists with the memories of Late Dr. Hitoshi Yagisawa, 07 Nov. 2013
  • オステオカルシンによる脂肪細胞の機能調節
    大谷 崇仁
    第10回先端歯学スクール2013, 26 Sep. 2013
  • 脂肪細胞の分化と成熟におけるオステオカルシンの役割
    大谷崇仁; 竹内 弘; 溝上顕子; 長野公喜; 杉山悟郎; 高 靖; 平田雅人
    第55回歯科基礎医学会, 20 Sep. 2013
  • オステオカルシンによる脂肪細胞の機能調節
    大谷崇仁; 竹内 弘; 溝上顕子; 長野公喜; 高 靖; 杉山悟郎; 平田雅人
    第12回 西日本骨・関節関連疾患懇話会, 06 Jul. 2013
  • Phosphorylation-dependent interaction of PRIP with Akt
    Goro Sugiyama; Koki Nagano; Takahito Otani; Jing Gao; Hiroshi Takeuchi; Masato Hirata
    FASEB JOURNAL, Apr. 2013, Not reviewed, No invitation
  • Osteocalcin Promotes Expression of Peroxisome Proliferator-Activated Receptor γin an ERK dependent manner in 3T3-L1 adipocytes
    Takahito Otani; Hiroshi Takeuchi; Koki Nagano; Goro Sugiyama; Jing Gao; Masato Hirata
    International Symposium on Human Resource Development towards Global Initiative, 16 Feb. 2013
■ Courses
  • Oral anatomy
    Sep. 2022 - Present
    Fukuoka College of Health Sciences
  • Systemic anatomy
    Apr. 2020 - Present
    福岡医療専門学校理学療法科
  • Oral histology
    Jun. 2017 - Present
    Fukuoka College of Health Sciences
  • Anatomy practice
    Apr. 2016 - Present
    Fukuoka Dental College
  • Histology practice
    Apr. 2016 - Present
    Fukuoka Dental College
  • Systemic anatomy
    Apr. 2016 - Present
    Fukuoka Dental College
  • Dental morphology
    Apr. 2016 - Present
    Fukuoka Dental College
  • Oral histology
    Apr. 2016 - Present
    Fukuoka Dental College
  • Histology
    Apr. 2016 - Present
    Fukuoka Dental College
  • Embryology
    2016 - Present
    Fukuoka Dental College
  • Systemic anatomy
    Apr. 2017 - Mar. 2019
    福岡医療専門学校柔道整復科
■ Affiliated academic society
  • Apr. 2025 - Present
    日本生化学会
  • Apr. 2025 - Present
    日本癌学会
  • Apr. 2025 - Present
    日本法歯科医学会
  • Mar. 2024 - Present
    日本歯科医学教育学会
  • May 2017 - Present
    The Molecular Biology Society of Japan
  • May 2016 - Present
    The Japanese Association of Anatomists
  • Jun. 2012 - Present
    Japanese Association for Oral Biology
■ Research Themes
  • 骨タンパクによる脂肪細胞の細胞外環境応答の変化~インスリン感受性亢進機序の解明~
    基盤研究(C)
    福岡歯科大学
    Apr. 2024 - Mar. 2027
  • Study of the role of desmosome cadherin in cell motility and lymph node metastasis
    Grant-in-Aid for Scientific Research (C)
    Fukuoka Dental College
    Apr. 2022 - Mar. 2025
  • The role of osteocalcin in adipose tissue homeostasis
    研究助成金
    Fukuoka Dental College
    Apr. 2022 - Mar. 2024
  • Elucidation of the mechanism of cell death of adipocytes induced by osteocalcin
    Grant-in-Aid for Early-Career Scientists
    Fukuoka Dental College
    01 Apr. 2018 - 31 Mar. 2021
  • オステオカルシンによるサルコペニア肥満回避機構の解明
    福岡歯科大学研究ブランディング事業公募研究
    福岡歯科大学
    Apr. 2018 - Mar. 2019
  • The Research on the Roles of Osteocalcin in Adipocytes
    Scholarship Fund for Young/ Women Researchers
    Fukuoka Dental College
    Apr. 2018 - Mar. 2019
  • Does a tumor-associated antigen, EpCAM, regulate formation and function of tight junction in striated squamous epithelium?
    Grant-in-Aid for Research Activity Start-up
    Fukuoka Dental College
    Aug. 2017 - Mar. 2019
  • Elucidation of the mechanism of inhibition of adiponectin expression in adipocytes induced by high-dose osteocalcin
    Grant-in-Aid for Research Activity start-up
    28 Aug. 2015 - 31 Mar. 2017
■ Media Coverage
  • 日本歯科新聞掲載
    日本歯科新聞社, 日本歯科新聞, 骨タンパク質の糖・脂質代謝 分子レベルのメカニズム解明, 12 Mar. 2024, Paper
  • 福岡歯科大学プレスリリース
    福岡歯科大学, https://d.fdcnet.ac.jp/news/archives/355, 05 Mar. 2024, Internet
  • 日本経済新聞掲載
    日本経済新聞社, 日本経済新聞, https://www.nikkei.com/article/DGXLRSP499190_Y8A221C1000000/, 28 Dec. 2019, Paper
  • ふくおか経済取材協力
    地域情報センター, ふくおか経済 vol.367, 脂肪細胞の「細胞死」プロセスを解明 福岡歯科大学と九州大学, 01 Mar. 2019, Paper
  • 日本歯科新聞掲載
    日本歯科新聞社, 日本歯科新聞, 脂肪細胞を細胞死に導くシグナル経路を発見, 22 Jan. 2019, Paper
  • 九州大学プレスリリース
    九州大学, https://www.kyushu-u.ac.jp/ja/researches/view/306/, 28 Dec. 2018, Internet
  • 福岡歯科大学プレスリリース
    福岡歯科大学, https://d.fdcnet.ac.jp/news/archives/79, 28 Dec. 2018, Internet
■ Others
  • 死体解剖資格認定 (第9450号, 厚生労働省)
    Jul. 2018 - Present
  • 日本解剖学会九州支部会代議員
    2024
  • 歯科基礎医学会代議員
    2024
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