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  1. Article

    Open Access

    Impact of malnutrition on mortality and neurological recovery of older patients with spinal cord injury

    This retrospective cohort study established malnutrition’s impact on mortality and neurological recovery of older patients with cervical spinal cord injury (SCI). It included patients aged ≥ 65 years with trau...

    Koji Tamai, Hidetomi Terai, Hiroaki Nakamura, Noriaki Yokogawa in Scientific Reports (2024)

  2. Article

    Open Access

    Characteristics of the cervical spine and cervical cord injuries in older adults with cervical ossification of the posterior longitudinal ligament

    Although the incidence of cervical spinal cord injury (CSCI) with ossification of the posterior longitudinal ligament (OPLL) has increased in older adults, its etiology and neurological outcomes remain unknown...

    Shun Okuwaki, Toru Funayama, Masao Koda, Fumihiko Eto, Akihiro Yamaji in Scientific Reports (2023)

  3. Article

    Open Access

    Observation of hapten-induced sensitization responses for the development of a mouse skin sensitization test, including the elicitation phase

    The only official method that can detect the skin sensitizing potential of chemicals, including the elicitation response, is the OECD test guideline (TG) 406. However, this guideline uses guinea pigs, which re...

    Ryo Kamata, Yukiko Okawa, Yuto Hamaguchi, Soma Tabata in Scientific Reports (2022)

  4. Article

    Open Access

    Genome-wide association study identifies 14 previously unreported susceptibility loci for adolescent idiopathic scoliosis in Japanese

    Adolescent idiopathic scoliosis (AIS) is the most common pediatric spinal deformity. Several AIS susceptibility loci have been identified; however, they could explain only a small proportion of AIS heritabilit...

    Ikuyo Kou, Nao Otomo, Kazuki Takeda, Yukihide Momozawa in Nature Communications (2019)

  5. Article

    Open Access

    X-ray structure analysis of bacteriorhodopsin at 1.3 Å resolution

    Bacteriorhodopsin (bR) of Halobacterium salinarum is a membrane protein that acts as a light-driven proton pump. bR and its homologues have recently been utilized in optogenetics and other applications. Although ...

    Nagayuki Hasegawa, Hideyuki Jonotsuka, Kunio Miki, Kazuki Takeda in Scientific Reports (2018)

  6. Article

    Open Access

    A multi-ethnic meta-analysis confirms the association of rs6570507 with adolescent idiopathic scoliosis

    Adolescent idiopathic scoliosis (AIS) is the most common type of spinal deformity and has a significant genetic background. Genome-wide association studies (GWASs) identified several susceptibility loci associ...

    Ikuyo Kou, Kota Watanabe, Yohei Takahashi, Yukihide Momozawa in Scientific Reports (2018)

  7. Article

    Open Access

    An international meta-analysis confirms the association of BNC2 with adolescent idiopathic scoliosis

    Adolescent idiopathic scoliosis (AIS) is a common spinal deformity with the prevalence of approximately 3%. We previously conducted a genome-wide association study (GWAS) using a Japanese cohort and identified...

    Yoji Ogura, Kazuki Takeda, Ikuyo Kou, Anas Khanshour, Anna Grauers in Scientific Reports (2018)

  8. Article

    Open Access

    Distribution of valence electrons of the flavin cofactor in NADH-cytochrome b5 reductase

    Flavin compounds such as flavin adenine dinucleotide (FAD), flavin mononucleotide and riboflavin make up the active centers in flavoproteins that facilitate various oxidoreductive processes. The fine structura...

    Kiyofumi Takaba, Kazuki Takeda, Masayuki Kosugi, Taro Tamada in Scientific Reports (2017)

  9. Article

    Open Access

    Structural studies of the N-terminal fragments of the WW domain: Insights into co-translational folding of a beta-sheet protein

    Nascent proteins fold co-translationally because the folding speed and folding pathways are limited by the rate of ribosome biosynthesis in the living cell. In addition, though full-length proteins can fold al...

    Yuya Hanazono, Kazuki Takeda, Kunio Miki in Scientific Reports (2016)

  10. No Access

    Article

    Charge-density analysis of an iron–sulfur protein at an ultra-high resolution of 0.48 Å

    The ultra-high-resolution structure of the high-potential iron–sulfur protein at 0.48 Å, the highest-resolution X-ray crystal structure of a protein reported so far.

    Yu Hirano, Kazuki Takeda, Kunio Miki in Nature (2016)

  11. No Access

    Article

    Structure of the LH1–RC complex from Thermochromatium tepidum at 3.0 Å

    The light-harvesting core antenna (LH1) and the reaction centre (RC) of purple photosynthetic bacteria form a supramolecular complex (LH1–RC) to use sunlight energy in a highly efficient manner. Here we report...

    Satomi Niwa, Long-Jiang Yu, Kazuki Takeda, Yu Hirano, Tomoaki Kawakami in Nature (2014)