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    Article

    Fanconi syndrome with karyomegalic interstitial nephritis after ifosfamide treatment for osteosarcoma: a case report

    Patients with ifosfamide-induced renal damage present with Fanconi syndrome. Karyomegalic nephropathy/interstitial nephritis (KNIN) is a rare form of chronic tubulo-interstitial nephritis that was initially co...

    Yohei Kita, Sayuri Shirai, Teppei Koyama, Ryuichiro Makinouchi in CEN Case Reports (2024)

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    Article

    Frailty and dialysis initiation in the super-elderly

    Teppei Koyama, Yohei Kita, Ryuichiro Makinouchi in Clinical and Experimental Nephrology (2024)

  3. Article

    Open Access

    Prognostic factors of IgA nephropathy presenting with mild proteinuria at the time of diagnosis (a multicenter cohort study)

    Clinical factors affecting renal prognosis in patients with immunoglobulin A nephropathy (IgAN) and low urinary protein excretion (U-Prot) remain unclear. This study evaluated such factors in patients with cli...

    Sayuri Shirai, Takashi Yasuda, Hiroo Kumagai in Clinical and Experimental Nephrology (2023)

  4. Article

    Open Access

    Granulomatous interstitial nephritis with CTLA-4 haploinsufficiency: a case report

    Cytotoxic T lymphocyte antigen-4 (CTLA-4) is an essential inhibitory regulator of immune activation. CTLA-4 haploinsufficiency is known to be associated with dysregulation of FOXP3+ regulatory T cells, hyperactiv...

    Kaori Kohatsu, Tomo Suzuki, Madoka Takimoto, Katsuomi Matsui in BMC Nephrology (2022)

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    Article

    A digest of the Evidence-Based Clinical Practice Guideline for Nephrotic Syndrome 2020

    Takehiko Wada, Takuji Ishimoto, Izaya Nakaya in Clinical and Experimental Nephrology (2021)

  6. Article

    Open Access

    Nephrotic syndrome due to preeclampsia before 20 weeks of gestation: a case report

    Preeclampsia (PE) refers to the development of hypertension and new-onset proteinuria or progressive organ damage (especially kidney) in a previously normotensive pregnant women after 20 weeks of gestation. Th...

    Tomo Suzuki, Daisuke Ichikawa, Mayumi Nakata, Shiika Watanabe, Wei Han in BMC Nephrology (2020)

  7. Article

    Open Access

    Membranous nephropathy associated with thrombospondin type-1 domain-containing 7A (THSD7A) in an adult woman with eosinophilia

    A 30-year-old woman on steroid therapy for eosinophilia presented with nephrotic syndrome during steroid tapering. She was diagnosed with membranous nephropathy (MN) stage II–III (positive for IgG1 and IgG4) b...

    Sayuri Shirai, Shin’ichi Akiyama, Atsuko Kamijo-Ikemori, Tomo Suzuki in CEN Case Reports (2020)

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    Chapter

    The Bank of Japan’s Exchange-Traded Fund Purchases under Quantitative and Qualitative Easing with Yield Curve Control

    This chapter highlights (ETF) purchases conducted by with . The policy to purchase stocks indirectly is unprecedented in terms of both scale and duration among major central banks. The purpose of this p...

    Sayuri Shirai in Monetary Policy Implementation in East Asia (2020)

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    Article

    Overview of the Bank of Japan’s unconventional monetary policy during the period 2013–2018

    Unconventional monetary easing conducted by the Bank of Japan (BOJ) since 2013 has contributed to the yen’s depreciation, higher stock prices, and higher corporate profits. Meanwhile, the impacts on aggregate ...

    Sayuri Shirai in International Journal of Economic Policy Studies (2019)

  10. Article

    Open Access

    A grading system that predicts the risk of dialysis induction in IgA nephropathy patients based on the combination of the clinical and histological severity

    Histological classification is essential in the clinical management of immunoglobulin A nephropathy (IgAN). However, there are limitations in predicting the prognosis of IgAN based on histological information ...

    Hideo Okonogi, Tetsuya Kawamura, Kensuke Joh in Clinical and Experimental Nephrology (2019)

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    Article

    Combined cyclosporine and prednisolone therapy using cyclosporine blood concentration monitoring for adult patients with new-onset minimal change nephrotic syndrome: a single-center pilot randomized trial

    Minimal change nephrotic syndrome (MCNS) responds well to steroids, but some patients show frequent relapses. Long-term steroid administration leads to various adverse effects. We previously reported the effec...

    Sayuri Shirai, Naohiko Imai, Shina Sueki in Clinical and Experimental Nephrology (2018)

  12. Article

    Open Access

    Lack of partial renal response by 12 weeks after induction therapy predicts poor renal response and systemic damage accrual in lupus nephritis class III or IV

    Lupus nephritis class III or IV is associated with a poor prognosis for both patient and renal survival. Recommendations for the management of lupus nephritis have recently been established, and changing thera...

    Hironari Hanaoka, Hidehiro Yamada, Tomofumi Kiyokawa in Arthritis Research & Therapy (2017)

  13. Article

    Open Access

    Risk factors for allergic reaction at initial therapeutic plasma exchange in a single-center study: beware of high rates of severe allergic reaction

    Therapeutic plasma exchange (TPE) is an important treatment modality for various diseases, but its use can be restricted by allergic reactions (AR). The aim of our study was to elucidate the frequency of and r...

    Mikako Hisamichi, Hiroo Kawarazaki, Masato Oroku in Renal Replacement Therapy (2016)

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    Article

    Retroperitoneal hemorrhage caused by inferior epigastric artery injury

    Katsuomi Matsui, Shinji Machida, Sayuri Shirai in Clinical and Experimental Nephrology (2016)

  15. No Access

    Article

    Overestimation of the risk of progression to end-stage renal disease in the poor prognosis’ group according to the 2002 Japanese histological classification for immunoglobulin A nephropathy

    The current (2012) histological classification of immunoglobulin A nephropathy was established using a case–control study of 287 patients. However, the risk of progression to end-stage renal disease (ESRD) has...

    Yoichi Miyazaki, Tetsuya Kawamura, Kensuke Joh in Clinical and Experimental Nephrology (2014)

  16. No Access

    Article

    Japan’s monetary policy in a challenging environment

    The Bank of Japan (BOJ) is attempting to overcome the mild deflation that has lasted in Japan for nearly 15 years and to achieve its 2 % price stability target. In the face of the zero lower bound on short-ter...

    Sayuri Shirai in Eurasian Economic Review (2014)

  17. No Access

    Article

    Preprandial microemulsion cyclosporine administration is effective for patients with refractory nephrotic syndrome

    The present study evaluated the clinical efficacy and pharmacokinetics of microemulsion cyclosporine A (ME-CyA) with modification from postprandial to preprandial administration in adult patients with refracto...

    Sayuri Shirai, Takashi Yasuda, Hiroki Tsuchida in Clinical and Experimental Nephrology (2009)

  18. No Access

    Article

    Imbalance between production and scavenging of hydroxyl radicals in patients maintained on hemodialysis

    Reactive oxygen species are as being related to the pathophysiology of endstage renal disease (ESRD). We measured the plasma hydroxyl radical (·OH)-producing ability and ·OH-scavenging activity in patients wit...

    Sayuri Shirai, Masayuki Ominato, Takekazu Shimazu in Clinical and Experimental Nephrology (2005)