Creation of Aptameric biology

Grant-in-Aid for Transformative Research Areas (B)

Achievements

2024.03.02

A review article with Dr. Tsukakoshi (C01 Representative) as the corresponding author has been published in the English journal The Journal of Biochemistry of the Japanese Biochemical Society.

A review article with Dr. Tsukakoshi (C01 Representative) as the corresponding author has been published in the English journal The Journal of Biochemistry of the Japanese Biochemical Society.
We discuss examples of amyloid fibrils involved in neurodegenerative diseases that disaggregate under various conditions, form oligomers, and exhibit cytotoxicity and neurotoxicity.

Kaku T, Ikebukuro K, Tsukakoshi K. Structure of cytotoxic amyloid oligomers generated during disaggregation. J Biochem. 2024 May 31;175(6):575-585.

2024.01.31

Dr. Tsukakoshi's (C01 Representative) paper was published in J. Am. Chem. Soc.

Dr. Tsukakoshi's (C01 Representative) paper was published in J. Am. Chem. Soc.
We developed a new tool that covalently connects DNA and protein, and demonstrated its usefulness in an example of 1:1 labeling of DNA aptamer and enzyme.

Komiya E, Takamatsu S, Miura D, Tsukakoshi K, Tsugawa W, Sode K, Ikebukuro K, Asano R. Exploration and Application of DNA-Binding Proteins to Make a Versatile DNA-Protein Covalent-Linking Patch (D-Pclip): The Case of a Biosensing Element. J Am Chem Soc. 2024 Feb 14;146(6):4087-4097.

2023.12.14

Co-first authored by Dr. Tsukakoshi (C01 Representative) paper was published in PNAS Nexus.

Co-first authored by Dr. Tsukakoshi (C01 Representative) paper was published in PNAS Nexus.
We succeeded in real-time monitoring of oligomer formation of amyloid β on lipid bilayer membranes using channel current measurement technology.

Yuri Numaguchi†, Kaori Tsukakoshi†, Nanami Takeuchi, Yuki Suzuki, Kazunori Ikebukuro, Ryuji Kawano. Development of Alkaline Phosphatase-Fused Mouse Prion Protein and Its Application in Toxic Aβ Oligomer Detection. PNAS Nexus, pgad437, Accepted (†These authors are equally contributed.)

2023.11.14

Dr. Hori's (A01 Representative) paper was published in FASEB Journal.

Dr. Hori's (A01 Representative) paper was published in FASEB Journal.
We established a photooxygenation method for α-synuclein and clarified that oxygenation of synuclein His residues is important for its effectiveness.

Nakamura R, Tomizawa I, Iwai A, Ikeda T, Hirayama K, Chiu YW, Suzuki T, Tarutani A, Mano T, Iwata A, Toda T, Sohma Y, Kanai M, Hori Y#, Tomita T#: Photo-oxygenation of histidine residue inhibits α-synuclein aggregation, FASEB J., 2023, 37(12): e23311.

2023.11.10

Dr. Tsukakoshi's (C01 Representative) paper was published in Biosens. Bioelectron.

Dr. Tsukakoshi's (C01 Representative) paper was published in Biosens. Bioelectron.
This is a report on the development of a molecular detection system that combines aptamers and magnetic nanoparticles.

Rokutani, S., Hiraka, K., Saitoh, H., Saito, T., Nonaka, Y., Ueno, K., Tsukakoshi, K., Ohnishi, N. and Ikebukuro, K. (2024) Aptamer-enhanced particle aggregation inhibition assay for simple homogeneous protein detection using DNA aptamer and thermo-responsive magnetic nanoparticles. Biosens Bioelectron, 245, 115827.

2023.11.07

Dr. Yamagishi's (C01) paper was published in Biochemical and Biophysical Research Communications.

Dr. Yamagishi's (C01) paper was published in Biochemical and Biophysical Research Communications.
We succeeded in improving genome editing efficiency in plants by modifying Cas9 proteins on microneedle arrays via polymers.

Anchu Viswan, Chiaki Yoshikawa, Ayana Yamagishi Yuichi Furuhata, Yoshio Kato, Tomohiko Yamazaki, Chikashi Nakamura, Efficient genome editing by controlled release of Cas9 ribonucleoprotein in plant cytosol using polymer-modified microneedle array. Biochem. Biophys. Res. Commun., 2023

2023.09.03

Dr. Tsukakoshi's (C01 Representative) paper was published in Analytical Sciences.

Dr. Tsukakoshi's (C01 Representative) paper was published in Analytical Sciences.
This is a report on antibody drug analysis using aptamers as affinity ligands.

Kenichiro Todoroki, Daichi Hamada, Tomohiro Yamada, Taro Saito, Yutaka Shimizu, Eiji Sugiyama, Hajime Mizuno, Hideki Hayashi, Kaori Tsukakoshi & Kazunori Ikebukuro, Development of a liquid chromatography-based versatile bioanalysis for bevacizumab based on pretreatment combining aptamer affinity purification and centrifugal ultrafiltration concentration Anal Sci., 2023 in press

2023.08.20

A review article by Dr. Hashimoto (B01 Representative) was published in Translational and Regulatory Science.

A review article by Dr. Hashimoto (B01 Representative) was published in Translational and Regulatory Science.
This report summarizes the development of mouse models of Alzheimer's disease and research using these models.

Hashimoto S and Saido TC, Generation of sophisticated Alzheimer’s disease mouse models and research advances utilizing them, Translat Regulat Sci 5(2) 40-52 (2023)

2023.04.07

Dr. Hori's (A01 Representative) paper was published in iScience.

Hori's (A01 Representative) paper was published in iScience.
We discovered the effect of INPP5D on microglial function.

Iguchi A, Takatori S, Kimura S, Muneto H, Wang K, Etani H, Ito G, Sato H, Hori Y, Sasaki J, Saito T, Saido CT, Ikezu T, Takai T, Sasaki T, Tomita T: INPP5D modulates TREM2 loss-of-function phenotypes in a β-amyloidosis mouse model, iScience, 2023, 13;26(4):106375.

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