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  1. Article

    Open Access

    Revisiting the evolution of bow-tie architecture in signaling networks

    Bow-tie architecture is a layered network structure that has a narrow middle layer with multiple inputs and outputs. Such structures are widely seen in the molecular networks in cells, suggesting that a univer...

    Thoma Itoh, Yohei Kondo, Kazuhiro Aoki, Nen Saito in npj Systems Biology and Applications (2024)

  2. Article

    Open Access

    A deep learning approach for morphological feature extraction based on variational auto-encoder: an application to mandible shape

    Shape measurements are crucial for evolutionary and developmental biology; however, they present difficulties in the objective and automatic quantification of arbitrary shapes. Conventional approaches are base...

    Masato Tsutsumi, Nen Saito, Daisuke Koyabu in npj Systems Biology and Applications (2023)

  3. Article

    Open Access

    Intercellular exchange of Wnt ligands reduces cell population heterogeneity during embryogenesis

    Wnt signaling is required to maintain bipotent progenitors for neural and paraxial mesoderm cells, the neuromesodermal progenitor (NMP) cells that reside in the epiblast and tailbud. Since epiblast/tailbud cel...

    Yudai Hatakeyama, Nen Saito, Yusuke Mii, Ritsuko Takada in Nature Communications (2023)

  4. Article

    Open Access

    Embedding dual function into molecular motors through collective motion

    Protein motors, such as kinesins and dyneins, bind to a microtubule and travel along it in a specific direction. Previously, it was thought that the directionality for a given motor was constant in the absence...

    Nen Saito, Kunihiko Kaneko in Scientific Reports (2017)

  5. No Access

    Article

    Multicanonical MCMC for sampling rare events: an illustrative review

    Multicanonical MCMC (Multicanonical Markov Chain Monte Carlo; Multicanonical Monte Carlo) is discussed as a method of rare event sampling. Starting from a review of the generic framework of importance sampling, m...

    Yukito Iba, Nen Saito, Akimasa Kitajima in Annals of the Institute of Statistical Mat… (2014)