Naoaki Sakamoto
Hiroshima University
71 Papers
340 Citations
Naoaki Sakamoto is an academic researcher from Hiroshima University. The author has contributed to research in topics: Hemicentrotus & Biology. The author has an hindex of 22, co-authored 59 publications. Previous affiliations of Naoaki Sakamoto include Texas A&M University & RIKEN Brain Science Institute.
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Papers
Pro-apoptotic protein kinase Cδ is associated with intranuclear inclusions in a transgenic model of Huntington's disease
Evgeny A. Zemskov,Nihar Ranjan Jana,Masaru Kurosawa,Haruko Miyazaki,Naoaki Sakamoto,Munenori Nekooki,Nobuyuki Nukina +6 more
TL;DR: It is suggested that the association of PKCδ with intranuclear htt‐aggregates may affect its apoptotic function in a transgenic model of HD and evidence is presented that accumulation of PK Cδ in cell nuclei does not depend on mutant htt nuclear translocation.
Sticky DNA: self-association properties of long GAA.TTC repeats in R.R.Y triplex structures from Friedreich's ataxia.
Naoaki Sakamoto,Paul D. Chastain,Pawel Parniewski,Keiichi Ohshima,Massimo Pandolfo,Jack D. Griffith,Robert D. Wells +6 more
TL;DR: A novel DNA structure, sticky DNA, is described for lengths of (GAA.TTC)n found in intron 1 of the frataxin gene of Friedreich's ataxia patients and R.R.Y triplexes and/or sticky DNA may be involved in the etiology of FRDA.
Structure and Function of a Sea Urchin Orthodenticle-Related Gene (HpOtx)
Takae Kiyama,Koji Akasaka,Kazuko Takata,Keiko Mitsunaga-Nakatsubo,Naoaki Sakamoto,Hiraku Shimada +5 more
TL;DR: Evidence is presented that mRNAs of HpOtxE/L are transcribed from a single Hp Otx gene by altering the transcription start site and by alternative splicing, and it is demonstrated that H pOtxL activates the Ars promoter in the gastrula-stage embryo.
Assembly of continuous high-resolution draft genome sequence of Hemicentrotus pulcherrimus using long-read sequencing
Tetsushi Komoto,Kazuho Ikeo,Shunsuke Yaguchi,Takashi Yamamoto,Naoaki Sakamoto,Akinori Awazu +5 more
TL;DR: The update of the draft genome assembly of sea urchin, Hemicentrotus pulcherrimus, which is widely studied in East Asia as a model organism of early development, was performed using Oxford nanopore long-read sequencing to provide further advance for genome-wide research of development, gene regulation, and intranuclear structural dynamics of multicellular organisms.
Automated pain assessment based on facial expression of free-moving mice
Kôji Kobayashi,Naoaki Sakamoto,Yusuke Miyazaki,Masahito Yamamoto,Takahisa Murata +4 more
TL;DR: Researchers developed an automated pain assessment method using convolutional neural networks (CNNs) to analyze facial images of free-moving mice, accurately predicting pain and analgesic effects in various pain models, including acetic acid, capsaicin, and calcitonin gene-related peptide-induced pain.