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  1. No Access

    Article

    Long-term survival after systemic chemotherapy, chemoradiotherapy, and maintenance therapy for an older adult patient with recurrent pancreatic acinar cell carcinoma

    Pancreatic acinar cell carcinoma (PACC) is a rare cancer with no specific treatment. The treatment and chemotherapy for PACC are selected according to pancreatic ductal adenocarcinoma (PDAC). Herein, we descri...

    Makiko Urabe, Kenji Ikezawa, Kazuhiro Kozumi in Clinical Journal of Gastroenterology (2024)

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    Article

    Zinc supplementation for dysgeusia in patients with unresectable pancreatic cancer

    Although patients with advanced pancreatic cancer (PC) often experience dysgeusia with zinc deficiency during chemotherapy, data on zinc supplementation for dysgeusia and its effects on nutritional status are ...

    Yusuke Seiki, Kenji Ikezawa, Ko Watsuji in International Journal of Clinical Oncology (2024)

  3. No Access

    Article

    Hospital volume and prognosis of patients with metastatic pancreatic cancer: A study using the Osaka Cancer Registry

    Pancreatic cancer (PC) has one of the worst prognoses among all solid cancers. Hospital volume has been shown to be significantly associated with outcomes in patients with PC undergoing surgery. Nonetheless, t...

    Yasuharu Kawamoto, Kenji Ikezawa in Journal of Cancer Research and Clinical On… (2023)

  4. Article

    Open Access

    An age-group analysis on the efficacy of chemotherapy in older adult patients with metastatic biliary tract cancer: a Japanese cancer registry cohort study

    The effectiveness of chemotherapy in older adult patients with biliary tract cancer (BTC) remains to be established, despite the fact that the majority of patients diagnosed with BTC tend to be aged ≥ 70 years...

    Takeru Hirao, Kenji Ikezawa, Toshitaka Morishima, Kazuma Daiku in BMC Gastroenterology (2023)

  5. Article

    Open Access

    Parallel administration of nanoliposomal irinotecan and levo-leucovorin for pancreatic cancer

    Nanoliposomal irinotecan (nal-IRI) plus 5-fluorouracil (5-FU)/levo-leucovorin (Levo-LV) was approved for unresectable pancreatic cancer (UR-PC) in March 2020 in Japan. Levo-LV is administered by intravenous infus...

    Ryoji Takada, Kenji Ikezawa, Takuo Yamai, Ko Watsuji, Yusuke Seiki in BMC Cancer (2023)

  6. Article

    Open Access

    Hepatitis C virus enhances Rubicon expression, leading to autophagy inhibition and intracellular innate immune activation

    Autophagy, a degradation system, works to maintain cellular homeostasis. However, as the impact of Hepatitis C virus (HCV) infection on hepatocyte autophagy and its effect on HCV replication remain unclear, we...

    Yuto Shiode, Hayato Hikita, Satoshi Tanaka, Kumiko Shirai, Akira Doi in Scientific Reports (2020)

  7. Article

    Open Access

    Hepatitis C virus infection suppresses hepatitis B virus replication via the RIG-I-like helicase pathway

    Mechanisms of hepatitis B virus (HBV) reactivation after hepatitis C virus (HCV) elimination by direct-acting antiviral (DAA) treatment in HBV/HCV-co-infected patients remain unclear. We examined RIG-I-like he...

    Kazuhiro Murai, Hayato Hikita, Yugo Kai, Yasuteru Kondo in Scientific Reports (2020)

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    Article

    Combinations of two drugs among NS3/4A inhibitors, NS5B inhibitors and non-selective antiviral agents are effective for hepatitis C virus with NS5A-P32 deletion in humanized-liver mice

    The emergence of a deletion mutant at hepatitis C virus (HCV) NS5A-P32 (P32del) has recently been reported in a subset of chronic hepatitis C patients who experience virologic failure after direct-acting antiv...

    Akira Doi, Hayato Hikita, Yugo Kai, Yuki Tahata in Journal of Gastroenterology (2019)

  9. No Access

    Article

    DNase II activated by the mitochondrial apoptotic pathway regulates RIP1-dependent non-apoptotic hepatocyte death via the TLR9/IFN-β signaling pathway

    Cell death, including apoptotic and non-apoptotic cell death, is frequently observed in liver disease. Upon activation of the mitochondrial apoptotic pathway, mitochondria release not only apoptogenic cytochrome

    Yoshinobu Saito, Hayato Hikita, Yasutoshi Nozaki, Yugo Kai in Cell Death & Differentiation (2019)

  10. Article

    Open Access

    Baseline quasispecies selection and novel mutations contribute to emerging resistance-associated substitutions in hepatitis C virus after direct-acting antiviral treatment

    Resistance-associated substitutions (RASs) in hepatitis C virus (HCV) appear upon failure of treatment with direct-acting antivirals (DAAs). However, their origin has not been clarified in detail. Among 11 HCV...

    Yugo Kai, Hayato Hikita, Naoki Morishita, Kazuhiro Murai in Scientific Reports (2017)

  11. Article

    Open Access

    Sodium taurocholate cotransporting polypeptide inhibition efficiently blocks hepatitis B virus spread in mice with a humanized liver

    Sodium taurocholate cotransporting polypeptide (NTCP) is a recently discovered hepatitis B virus (HBV) receptor. In the present study, we used TK-NOG mice with a humanized liver to examine the impact of endoge...

    Tasuku Nakabori, Hayato Hikita, Kazuhiro Murai, Yasutoshi Nozaki in Scientific Reports (2016)

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    Article

    Emergence of hepatitis C virus NS5A L31V plus Y93H variant upon treatment failure of daclatasvir and asunaprevir is relatively resistant to ledipasvir and NS5B polymerase nucleotide inhibitor GS-558093 in human hepatocyte chimeric mice

    Resistance-associated variants (RAVs) emerge at multiple positions spanning hepatitis C virus (HCV) NS3/4A and NS5A regions upon failure of asunaprevir/daclatasvir combination therapy. It has not been determin...

    Yugo Kai, Hayato Hikita, Tomohide Tatsumi, Tasuku Nakabori in Journal of Gastroenterology (2015)

  13. No Access

    Article

    Tubular nephrotoxicity induced by docetaxel in non-small-cell lung cancer patients

    Renal dysfunction is a characteristic of many patients with cancer; however, a standard therapy has not been established for stage III or IV non-small-cell lung cancer (NSCLC) complicated with chronic renal fa...

    Takayuki Takimoto, Tasuku Nakabori, Akio Osa in International Journal of Clinical Oncology (2012)