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  1. No Access

    Article

    Mini-probe endoscopic ultrasound for the diagnosis of congenital esophageal or duodenal stenosis

    The usefulness of endoscopic ultrasound (EUS) in pediatric populations has been recently appreciated; however, published studies on mini-probe EUS in the diagnosis of congenital esophageal stenosis (CES) or co...

    Kiyoaki Yabe, Aki Matsuoka, Chikako Nakata in Journal of Medical Ultrasonics (2023)

  2. Article

    Open Access

    Recurrent massive bleeding from a small intestinal arteriovenous malformation after surgery for biliary atresia in an infant: a case report and literature review

    Small intestinal arteriovenous malformation (AVM) can cause bleeding. Most small intestinal AVMs occur during adulthood, rarely in infancy. We report a case of an infant with hemorrhage due to small intestinal...

    Wataru Kudo, Katsunori Kouchi, Ayako Takenouchi, Aki Matsuoka in Surgical Case Reports (2021)

  3. No Access

    Article

    Current status and future challenges in the endoscopic management of non-variceal upper gastrointestinal bleeding in children

    This study aimed to elucidate the characteristics of non-variceal upper gastrointestinal bleeding (NVUGIB) in children and the outcomes of endoscopic hemostasis (EH) performed by pediatric surgeons.

    Kiyoaki Yabe, Katsunori Kouchi, Ayako Takenouchi in Pediatric Surgery International (2020)

  4. No Access

    Article

    Safety and efficacy of mucous fistula refeeding in low-birth-weight infants with enterostomies

    To investigate the safety and efficacy of mucous fistula refeeding (MFR) in low-birth-weight infants.

    Kiyoaki Yabe, Katsunori Kouchi, Ayako Takenouchi in Pediatric Surgery International (2019)

  5. Article

    Open Access

    Recurrent intestinal ischemia following surgery for gastric and duodenal perforations: a case report

    Extremely low birth weight (ELBW) is a risk factor for various gastrointestinal complications. In the recent decades, advances in medicine have increased the survival of ELBW infants with necrotizing enterocol...

    Takahiro Korai, Katsunori Kouchi, Ayako Takenouchi, Aki Matsuoka in Surgical Case Reports (2019)

  6. No Access

    Article

    Neonates undergoing gastrointestinal surgery have a higher incidence of non-IgE-mediated gastrointestinal food allergies

    We aimed at investigating the incidence and risk factors of non-IgE-mediated gastrointestinal food allergies (non-IgE-GI-FAs) in neonates and infants.

    Takahiro Korai, Katsunori Kouchi, Ayako Takenouchi in Pediatric Surgery International (2018)

  7. No Access

    Article

    Potassium chloride and rare earth elements improve plant growth and increase the frequency of the Agrobacterium tumefaciens-mediated plant transformation

    Plant transformation efficiency depends on the ability of the transgene to successfully interact with plant host factors. Our previous work and the work of others showed that manipulation of the activity of ho...

    Alex Boyko, Aki Matsuoka, Igor Kovalchuk in Plant Cell Reports (2011)

  8. No Access

    Article

    High frequency Agrobacterium tumefaciens-mediated plant transformation induced by ammonium nitrate

    Success in plant genetic transformation depends on the efficiency of explant regeneration and transgene integration. Whereas the former one depends on explant totipotency, the latter depends on the activity of...

    Alex Boyko, Aki Matsuoka, Igor Kovalchuk in Plant Cell Reports (2009)

  9. Article

    Open Access

    Luteal blood flow and luteal function

    Blood flow in the corpus luteum (CL) is associated with luteal function. The present study was undertaken to investigate whether luteal function can be improved by increasing CL blood flow in women with luteal...

    Akihisa Takasaki, Hiroshi Tamura, Ken Taniguchi in Journal of Ovarian Research (2009)

  10. No Access

    Article

    Angiogenesis in the human corpus luteum

    Angiogenesis is important for the formation and development of the corpus luteum and for maintenance of luteal function. Blood vessel regression is an important physiological phenomenon in the corpus luteum, w...

    Norihiro Sugino, Aki Matsuoka, Ken Taniguchi in Reproductive Medicine and Biology (2008)

  11. No Access

    Article

    Shor- and long-term effect of a calcium channel blocker, barnidipine, on renal hemodynamics in spontaneously hypertensive, diabetic rats

    The purpose of this study was to examine the short- and long-term effects of the calcium channel blocker, barnidipine, on renal hemodynamics and urinary albumin excretion in spontaneously hypertensive rats wit...

    Yue-Ling Qie, Kazo Kaizu, Kohei Uriu, Atsuo Sugita in Clinical and Experimental Nephrology (1997)