Updated on 2026/07/29

写真a

 
AJIRI Taiga
 
Organization
Graduate School of Engineering Biomolecular Engineering 2 Assistant Professor
Undergraduate School
School of Engineering Chemistry and Biotechnology
Title
Assistant Professor

Awards 2

  1. Outstanding Reviewer Award in Analytical Sciences 2025

    2026.3   Analytical Science  

  2. 物質・デバイス共同研究賞

    2025.6   物質・デバイス領域共同研究拠点   細胞外小胞における揮発性成分の探索

    安井隆雄、川口彰太、阿尻大雅、深澤香奈、風間勇汰、長島一樹

 

Papers 3

  1. Discrete polyketones enable antibody click conjugation for selective exosome profiling Reviewed Open Access

    Kunanon Chattrairat, Akira Yokoi, Yumehiro Manabe, Yuki Ide, Jiahui Shen, Takeshi Hasegawa, Mikiko Iida, Taiga Ajiri, Zetao Zhu, Ryosuke Uekusa, Masami Kitagawa, Yoshinobu Baba, Hiroaki Kajiyama, Yasuhide Inokuma, Takao Yasui

    Device     page: 101153 - 101153   2026.5

     More details

    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    DOI: 10.1016/j.device.2026.101153

    Open Access

  2. Routine monitoring of microRNAs in salivary exosomes using a cellulose nanofiber sheet Reviewed Open Access

    Taiga Ajiri, Min Zhang, Naoya Mizukami, Mikiko Iida, Shota Kawaguchi, Yurie Sekihara, Kunanon Chattrairat, Zetao Zhu, Yoshinobu Baba, Hirotaka Koga, Takao Yasui

    Biosensors and Bioelectronics   Vol. 299   page: 118436 - 118436   2026.5

     More details

    Authorship:Lead author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    DOI: 10.1016/j.bios.2026.118436

  3. Glomerular routing of tumor-derived extracellular vesicles substantiates urinary biopsy. Reviewed International journal Open Access

    Shota Kawaguchi, Taiga Ajiri, Rina Mitsuya, Reiko Tsuchiya, Koki Kunitake, Yoshikazu Tanaka, Takeshi Yokoyama, Kiichi Sato, Yusuke Sato, Zetao Zhu, Kunanon Chattrairat, Yasuko Kobayashi, Kimiko Inoue, Keisuke Imaeda, Kosei Ueno, Sou Ryuzaki, Akira Kato, Yasuyuki Kimura, Atsushi Natsume, Ryosuke Kojima, Takao Yasui

    Science advances   Vol. 12 ( 8 ) page: eaeb0555   2026.2

     More details

    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    Urinary small extracellular vesicles (sEVs), which can reflect systemic conditions, hold great promise for noninvasive cancer diagnostics, yet the mechanism by which tumor-derived sEVs reach urine remains unclear. Here, we demonstrate that the glomerulus actively transcytoses circulating tumor-derived sEVs into urine. Using CRISPR guide RNA-tagged glioma sEVs and bioluminescent/fluorescent green-enhanced nano-lantern (GeNL)-tagged lung and pancreatic cancer sEVs, we tracked their journey from tumors to urine in multiple mouse models. In vivo and in vitro analyses revealed endocytic uptake and transcytotic release by glomerular cells, accompanied by changes in sEV size and surface composition. GeNL-tagged sEVs consistently showed higher signals in urine than plasma, indicating selective excretion. These findings redefine the glomerulus as a dynamic regulator of sEV processing and establish a mechanistic foundation for urinary liquid biopsy.

    DOI: 10.1126/sciadv.aeb0555

    Open Access

    PubMed

Books 1

  1. AIとバイオの融合最前線

    阿尻大雅, 安井隆雄( Role: Joint author ,  ナノワイヤとAIによる尿中マイクロRNA解析と早期がん診断)

    CMC出版  2025.5  ( ISBN:9784781318677

     More details

    Responsible for pages:84-92   Language:Japanese

MISC 2

  1. HER2 expression in circulating tumor cells as a minimally invasive biomarker of therapeutic response to trastuzumab deruxutecan in breast cancer Reviewed

    Toru Mukohara, Nobuaki Matsubara, Yusuke Takahashi, Kentaro Shirai, Hiromichi Nakajima, Chikako Funasaka, Chihiro Kondoh, Kana Kawasaki, Maharjan Bishnu Devi, Fumie Kato, Hiroyuki Obinata, Taiga Ajiri, Masatoshi Yanagida, Reiko Watanabe

    CANCER RESEARCH   Vol. 86 ( 7 )   2026.4

     More details

    Language:English   Publishing type:Research paper, summary (international conference)  

    DOI: 10.1158/1538-7445.AM2026-1086

    Web of Science

  2. Monitoring androgen receptor and neuroendocrine marker expression dynamics in CTCs in patients with mCRPC Reviewed

    Nobuaki Matsubara, Kentaro Shirai, Hiroyuki Obinata, Hiromichi Nakajima, Chikako Funasaka, Chihiro Kondoh, Kana Kawasaki, Eri Katsumata, Taiga Ajiri, Maharjan Bishnu, Fumie Kato, Masatoshi Yanagida, Reiko Watanabe, Toru Mukohara

    CANCER RESEARCH   Vol. 86 ( 7 ) page: 1073 - 1073   2026.4

     More details

    Language:English   Publishing type:Research paper, summary (international conference)  

    DOI: 10.1158/1538-7445.AM2026-1073

    Web of Science

Presentations 3

  1. 一粒子細胞外小胞解析に向けたナノワイヤ被覆磁性粒子の開発

    阿尻 大雅, 関原 由理江, Kunanon Chattraira, Zetao Zhu, 安井 隆雄

    日本化学会第106春季年会  2026.3.18 

     More details

    Event date: 2026.3

    Presentation type:Oral presentation (general)  

  2. QUASI-SINGLE-PARTICLE ANALYSIS OF EXTRACELLULAR VESICLES VIA MAGNETIC PARTICLES DECORATED WITH RADIAL ZINC OXIDE NANOWIRES

    Taiga Ajiri, Yurie Sekihara, Kunanon Chattraira, Zetao Zhu, Takao Yasui

    The 29th International Conference on Miniaturized Systems for Chemistry and Life Sciences - Micro-Total Analysis Systems (µTAS 2025)  2025.11.4 

     More details

    Event date: 2025.11

    Language:English   Presentation type:Poster presentation  

  3. ナノワイヤ被覆磁性粒子を用いた細胞外小胞解析法の開発

    阿尻大雅, 関原由理江, Kunanon Chattraira, Zetao Zhu, 安井隆雄

    日本分析化学会第74年会  2025.9.26 

     More details

    Event date: 2025.9

    Presentation type:Oral presentation (general)  

KAKENHI (Grants-in-Aid for Scientific Research) 3

  1. ナノワイヤ磁性粒子による細胞外小胞一粒子解析基盤の創成

    Grant number:26K17877  2026.4 - 2028.3

    日本学術振興会  科学研究費助成事業  若手研究

    阿尻 大雅

  2. Development of a Single-Cell Analysis Technology for Cancer Dynamics Based on Cellular Mechanical Properties

    2026.1 - 2027.12

    MSD Life Science Foundation, Public Interest Incorporated Foundation 

      More details

    Authorship:Principal investigator 

  3. 細胞外小胞空間オミックス解析のための一粒子解析法の創出

    Grant number:24K23101  2024.7 - 2026.3

    日本学術振興会  科学研究費助成事業  研究活動スタート支援

    阿尻 大雅

Industrial property rights 1

  1. 粒子分離チップおよび粒子分離装置

    阿尻 大雅, 白井 健太郎, 藤山 真吾, 小日向 寛之, 前田 夏希

     More details

    Applicant:シスメックス株式会社

    Application no:特願2023-103519  Date applied:2023.6

    Announcement no:特開2025-003058  Date announced:2025.1

    J-GLOBAL