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  1. Article

    Open Access

    A common deletion at BAK1 reduces enhancer activity and confers risk of intracranial germ cell tumors

    Intracranial germ cell tumors (IGCTs) are rare brain neoplasms that mainly occur in children and adolescents with a particularly high incidence in East Asian populations. Here, we conduct a genome-wide associa...

    Kyuto Sonehara, Yui Kimura, Yoshiko Nakano, Tatsuya Ozawa in Nature Communications (2022)

  2. Article

    Open Access

    Hydrogen gas inhalation improves delayed brain injury by alleviating early brain injury after experimental subarachnoid hemorrhage

    Molecular hydrogen (H2) protect neurons against reactive oxygen species and ameliorates early brain injury (EBI) after subarachnoid hemorrhage (SAH). This study investigated the effect of H2 on delayed brain inju...

    Kosuke Kumagai, Terushige Toyooka, Satoru Takeuchi, Naoki Otani in Scientific Reports (2020)

  3. No Access

    Article

    Identification of a novel KLC1–ROS1 fusion in a case of pediatric low-grade localized glioma

    The proto-oncogene tyrosine-protein kinase ROS1 (ROS1) is a tyrosine kinase that is closely related to anaplastic lymphoma kinase receptor (ALK). We describe a novel KLC1–ROS1 fusion identified in a case of pedia...

    Yoshiko Nakano, Arata Tomiyama, Takashi Kohno, Akihiko Yoshida in Brain Tumor Pathology (2019)

  4. Article

    Open Access

    The p53 activator overcomes resistance to ALK inhibitors by regulating p53-target selectivity in ALK-driven neuroblastomas

    Anaplastic lymphoma kinase (ALK) is an oncogenic receptor tyrosine kinase that is activated by gene amplification and mutation in neuroblastomas. ALK inhibitors can delay the progression of ALK-driven cancers,...

    Makoto Miyazaki, Ryo Otomo, Yuko Matsushima-Hibiya, Hidenobu Suzuki in Cell Death Discovery (2018)

  5. No Access

    Chapter and Conference Paper

    Modified Extradural Temporopolar Approach for Paraclinoid Aneurysms: Operative Nuance and Surgical Result

    Background. Extradural temporopolar approach can provide extensive exposure of the anterior clinoid process, which can prevent intraoperative neurovascular injury in anterior clinoidectomy for paraclinoid aneurys...

    Naoki Otani M.D., Terushige Toyooka in Trends in the Management of Cerebrovascula… (2018)

  6. No Access

    Article

    Recurrent neomorphic mutations of MTOR in central nervous system and testicular germ cell tumors may be targeted for therapy

    Germ cell tumors constitute a heterogeneous group that displays a broad spectrum of morphology. They often arise in testes; however, extragonadal occurrence, in particular brain, is not uncommon, and whether t...

    Koichi Ichimura, Shintaro Fukushima, Yasushi Totoki in Acta Neuropathologica (2016)

  7. No Access

    Chapter

    Retrograde Suction Decompression Through Direct Puncture of the Common Carotid Artery for Paraclinoid Aneurysm

    Surgical clip** of paraclinoid aneurysm can be very difficult because strong adhesions may hinder the dissection of the perforators and surrounding anatomical structures from the aneurysm dome. We describe o...

    Naoki Otani MD, Kojiro Wada, Terushige Toyooka in Trends in Cerebrovascular Surgery (2016)

  8. No Access

    Chapter

    Canine Double Hemorrhage Model of Experimental Subarachnoid Hemorrhage

    Several animal subarachnoid hemorrhage (SAH) models have been proposed for the investigation of cerebral vasospasm. We describe the experimental procedures of a canine double-SAH model and also examine the mod...

    Kentaro Mori MD, PhD, Kazuya Fujii in Neurovascular Events After Subarachnoid He… (2015)