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  1. Article

    Open Access

    Utility of a rapid assay for prostaglandin E-major urinary metabolite as a biomarker in pediatric ulcerative colitis

    Prostaglandin E-major urinary metabolite (PGE-MUM) is a urinary biomarker reflecting ulcerative colitis (UC) activity. This prospective observational study aimed to evaluate the usefulness of PGE-MUM via rapid...

    Shin-ichiro Hagiwara, Naoki Abe, Kenji Hosoi, Tomoko Hara in Scientific Reports (2023)

  2. No Access

    Article

    Clinical outcome of ulcerative colitis with severe onset in children: a multicenter prospective cohort study

    As best practices for treating children with severe-onset ulcerative colitis remain controversial in the era of biologic agents, we prospectively investigated treatments and outcomes in a multicenter cohort.

    Ryusuke Nambu, Katsuhiro Arai, Takahiro Kudo in Journal of Gastroenterology (2023)

  3. Article

    Open Access

    Correction to: Expert consensus on vaccination in patients with inflammatory bowel disease in Japan

    Takashi Ishige, Toshiaki Shimizu, Kenji Watanabe in Journal of Gastroenterology (2023)

  4. Article

    Open Access

    Expert consensus on vaccination in patients with inflammatory bowel disease in Japan

    Immunosuppressive therapies can affect the immune response to or safety of vaccination in patients with inflammatory bowel disease (IBD). The appropriateness of vaccination should be assessed prior to the init...

    Takashi Ishige, Toshiaki Shimizu, Kenji Watanabe in Journal of Gastroenterology (2023)

  5. No Access

    Article

    Both fecal calprotectin and fecal immunochemical tests are useful in children with inflammatory bowel disease

    Noninvasive biomarkers of intestinal inflammation can reduce the number of endoscopies in children with inflammatory bowel disease (IBD). This study aimed to prospectively investigate the usefulness of fecal c...

    Hirotaka Shimizu, Ryo Ebana, Takahiro Kudo, Takuro Sato in Journal of Gastroenterology (2022)

  6. Article

    Open Access

    A review on the current status and definitions of activity indices in inflammatory bowel disease: how to use indices for precise evaluation

    Many clinical trials have been conducted for inflammatory bowel disease (IBD), so various clinical indices (CIs) and endoscopic indices (EIs) have also been evaluated. However, recently, with the progress of I...

    Masahiro Kishi, Fumihito Hirai, Noritaka Takatsu in Journal of Gastroenterology (2022)

  7. No Access

    Article

    Multicenter, cross-sectional, observational study on Epstein–Barr viral infection status and thiopurine use by age group in patients with inflammatory bowel disease in Japan (EBISU study)

    The Epstein–Barr virus (EBV) infection status in patients with inflammatory bowel disease (IBD), particularly those using thiopurines, may be associated with the risk of lymphoproliferative disorder and hemoph...

    Miki Miura, Hirotaka Shimizu, Daisuke Saito, Jun Miyoshi in Journal of Gastroenterology (2021)

  8. Article

    Open Access

    Stool preparation under anaerobic conditions contributes to retention of obligate anaerobes: potential improvement for fecal microbiota transplantation

    Fecal microbiota transplantation (FMT) in patients with ulcerative colitis has shown variable efficacy depending on the protocol used. A previous randomized controlled trial reported that anaerobic preparation...

    Hirotaka Shimizu, Katsuhiro Arai, Takashi Asahara, Takuya Takahashi in BMC Microbiology (2021)

  9. No Access

    Article

    Severe Liver Disorder Following Liver Transplantation in STING-Associated Vasculopathy with Onset in Infancy

    STING-associated vasculopathy with onset in infancy (SAVI) is a type-I interferonopathy, characterized by systemic inflammation, peripheral vascular inflammation, and pulmonary manifestations. There are three ...

    Takashi Ishikawa, Eiichiro Tamura, Mureo Kasahara in Journal of Clinical Immunology (2021)

  10. Article

    Open Access

    Novel TNFAIP3 microdeletion in a girl with infantile-onset inflammatory bowel disease complicated by a severe perianal lesion

    A20 haploinsufficiency (HA20), a disease caused by loss-of-function TNFAIP3 mutations, manifests various autoinflammatory and/or autoimmune symptoms. Some cases of HA20 were initially diagnosed as very early onse...

    Kosuke Taniguchi, Mikihiro Inoue, Katsuhiro Arai, Keiichi Uchida in Human Genome Variation (2021)

  11. No Access

    Article

    Adverse events in patients with ulcerative colitis treated with indigo naturalis: a Japanese nationwide survey

    Although indigo naturalis (IN) is effective for patients with active ulcerative colitis (UC), IN was associated with adverse events (AEs), including pulmonary arterial hypertension (PAH). Our aim was to evalua...

    Makoto Naganuma, Shinya Sugimoto, Hideo Suzuki in Journal of Gastroenterology (2019)

  12. Article

    Open Access

    Current role of colonoscopy in infants and young children: a multicenter study

    To evaluate the role of colonoscopy in infants and young children and clarify the distribution of colonoscopy-requiring diseases in this age group.

    Ryusuke Nambu, Shin-ichiro Hagiwara, Fumihiko Kakuta, Tomoko Hara in BMC Gastroenterology (2019)

  13. No Access

    Article

    Optimal Approximation Algorithms for Maximum Distance-Bounded Subgraph Problems

    In this paper we study the (in)approximability of two distance-based relaxed variants of the maximum clique problem (Max Clique), named Max d-Clique and Max d-Club: A d-clique in a graph

    Yuichi Asahiro, Yuya Doi, Eiji Miyano, Kazuaki Samizo, Hirotaka Shimizu in Algorithmica (2018)

  14. Article

    Increased pulse wave velocity in patients with acute lacunar infarction doubled the risk of future ischemic stroke

    The aim of this study was to determine whether pulse wave velocity (PWV), a marker of vascular endothelial impairment and arteriosclerosis, predicts future ischemic stroke in patients who developed acute lacun...

    Naoki Saji, Kenta Murotani, Hirotaka Shimizu, Toshiyuki Uehara in Hypertension Research (2017)

  15. Article

    Open Access

    Gene expression profiles of mucosal biopsy specimens in children with eosinophilic gastritis

    Tetsuo Shoda, Ichiro Nomura, Akio Matsuda in World Allergy Organization Journal (2015)

  16. Article

    Comparison of arteriosclerotic indicators in patients with ischemic stroke: ankle–brachial index, brachial–ankle pulse wave velocity and cardio–ankle vascular index

    The ankle–brachial index (ABI), brachial–ankle pulse wave velocity (baPWV) and cardio–ankle vascular index (CAVI) are surrogate markers of arteriosclerosis. However, their roles in patients with acute ischemic...

    Naoki Saji, Kazumi Kimura, Yoshiki Yagita, Toshitaka Kawarai in Hypertension Research (2015)

  17. No Access

    Chapter and Conference Paper

    Optimal Approximation Algorithms for Maximum Distance-Bounded Subgraph Problems

    A d-clique in a graph \(G = (V, E)\) G ...

    Yuichi Asahiro, Yuya Doi, Eiji Miyano in Combinatorial Optimization and Applications (2015)

  18. Article

    Silent brain infarct is independently associated with arterial stiffness indicated by cardio-ankle vascular index (CAVI)

    It is still unclear whether silent brain infarct (SBI) and white-matter hyperintensities (WMHs) on magnetic resonance imaging (MRI) scans are associated with cardio-ankle vascular index (CAVI), a novel paramet...

    Naoki Saji, Kazumi Kimura, Hirotaka Shimizu, Yasushi Kita in Hypertension Research (2012)

  19. No Access

    Chapter and Conference Paper

    Estimation of Total Heat Leak into a Cryostat of Prospective Power Transmission Model System Integrated under Superconducting Environment (PROMISE)

    Total heat leak into a cryostat of a “Prospective Power Transmission Model System Integrated under Superconducting Environment” is theoretically estimated to be 41.5W under no load condition. This magnitude is...

    Yasunobu Yokomizu, Hirotaka Shimizu, Takeyoshi Kato in Advances in Superconductivity VIII (1996)

  20. No Access

    Chapter and Conference Paper

    Difference of the Quench Current Level of A Multi-Twisted Superconducting Cable Due to The Direction of The Applied Magnetic Field

    The quench current level of a multi-twisted a.c. superconducting cable are measured as a function of the strength of the magnetic field, which is applied in the same, perpendicular or opposite direction to tha...

    Hirotaka Shimizu, Takeyoshi Kato, Yue-** Tang in Advances in Superconductivity VIII (1996)