Imaging

# ICC/IHC/FI, Ca2+ Transient, Time-lapse imaging技術を有し、 定量解析およびAI解析を実施します

Immunocytechemistry/Immunohistochemistry/Fluorecent Image

培養細胞の各種免疫染色、組織切片の各種染色技術を有しています。細胞形態や免疫染色画像から定量化する独自の技術も使用し、化合物評価を実施しています。

imaging.png

Ca2+ Transient

Ca2+Transientのデータ取得技術およびMEAとの同時計測技術を有しています。Ca2+ Transientの波形データから正確にピーク検出する技術や多変量解析/AI解析技術を用いて、1000化合物以上の解析経験を有しています。

 

Time-lapse imaging

無染色もしくは蛍光染色した細胞のTime-lapse imagingにより、発達神経毒性等を評価します。

参考文献(抜粋)

K. Matsuda, X Han, N. Matsuda, M. Yamanaka, I Suzuki*,  Development of an In Vitro Assessment Method for Chemotherapy-Induced Peripheral Neuropathy (CIPN) by Integrating a Microphysiological System (MPS) with Morphological Deep Learning of Soma and Axonal Images, Toxics 11(10) 848, 2023 DOI

R. Yokoi, N Nagafuku, Y. Ishibashi, N. Matsuda, I Suzuki*,  Contraindicated Drug Responses in Dravet Syndrome Brain Organoids Utilizing Micro Electrode Array Assessment Methods, Organoids 2(4) 177-191, 2023 DOI

A Odawara, M Shibata, Y Ishibashi, N Nagafukum N matsuda, I Suzuki* In Vitro Pain Assay Using Human iPSC-Derived Sensory Neurons and Microelectrode Array. Toxicological Sciences. 2022 188(1):131-141. doi: 10.1093/toxsci/kfac045 DOI

R Yokoi, T Kuroda, N Matsuda, A Odawara, I Suzuki*. Electrophysiological responses to seizurogenic compounds dependent on E/I balance in human iPSC-derived cortical neuronal networks. Journal of Pharmacological Sciences. 2022 148(2):267-278. doi: 10.1016/j.jphs.2021.12.006 DOI

Odawara, A., Katoh, H., Matsuda N., and Suzuki, I.* “Physiological maturation and drug responses of human induced pluripotent stem cell-derived cortical neuronal networks in long-term culture”Scientific Reports, 6, 26181(2016)DOI

Odawara, A., Gotoh, M., and Suzuki, I.* “A three-dimensional neuronal culture technique that controls the direction of neurite elongation and the position of soma to mimic the layered structure of the brain”RSC Advances 3(45) (2013) pp. 23620-23630. DOI