Author

Masaki Tajima

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Masaki TajimaiD2 papers · Kyoto University

Biology Disciplines

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Biochemistry· 1 Immunology· 1

Signature Assays, Organisms & Methods

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Research Focus:cell type annotation· 2 Approach:experimental assay· 2 Organism:human· 2 Assay:proteomics· 2 Research Focus:host-pathogen & immune response· 1 Organism:mouse· 1

Frequent Co-Authors

Akio OhtaiD· 1 shared Hiroshi KiyonariiD· 1 shared Hiroyuki KusuharaiD· 1 shared Kazufumi HondaiD· 1 shared Kensuke SuzukiiD· 1 shared Mayano Minoda· 1 shared Naoko Ikuta· 1 shared Peng LiiD· 1 shared

Activity by Year

2024-2026 · peak 1/yr

Co-Author Collaboration Network

10 top collaborators · 20 mutual co-author links

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1 shared paperImmunology

Akio OhtaORCID

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2 papers

Recent·Most cited

Biosensor-enabled single-molecule enzyme activity profiling for function-based molecular counting

Toru Komatsu, Shosei Imai, Masaki Tajima, Yuki Sugiura, Takumi Iwasaka, Mayano Minoda, Yu Kagami, Kazufumi Honda, Takuya Terai, Reiko Tsuchiya, Ryosuke Kojima, Yasuteru Urano, Hiroyuki Kusuhara, Tadahaya Mizuno, Robert E. Campbell

This paper introduces a biosensor-based method for single-molecule enzyme activity profiling without enzyme-specific substrates, enabling absolute quantification of active enzyme molecules in cellular and circulating samples.

bioRxiv · Sep 22, 2026 · PreprintBiochemistry

PD-1 negatively regulates helper T cell differentiation into Th2

Masaki Tajima, Naoko Ikuta, Yuka Nakajima, Kensuke Suzuki, Yosuke Tokumaru, Peng Li, Hiroshi Kiyonari, Tasuku Honjo, Akio Ohta

This study shows PD-1 inhibits Th2 cell differentiation and allergic inflammation in mice, suggesting its therapeutic potential for Th2-driven diseases.

bioRxiv · Jul 26, 2024 · PreprintImmunology