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    Article

    A lipidome landscape of aging in mice

    Understanding the molecular mechanisms of aging is crucial for enhancing healthy longevity. We conducted untargeted lipidomics across 13 biological samples from mice at various life stages (2, 12, 19 and 24 mo...

    Hiroshi Tsugawa, Tomoaki Ishihara, Kota Ogasa, Seigo Iwanami, Aya Hori in Nature Aging (2024)

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    Open Access

    Protective and therapeutic effect of felodipine against bleomycin-induced pulmonary fibrosis in mice

    Idiopathic pulmonary fibrosis (IPF) involves alveolar epithelial injury and abnormal collagen production caused by activated fibroblasts; transforming growth factor (TGF)-β1 is implicated in this activation. I...

    Ken-ichiro Tanaka, Tomomi Niino, Tomoaki Ishihara, Ayaka Takafuji in Scientific Reports (2017)

  3. Article

    Open Access

    Superiority of pulmonary administration of mepenzolate bromide over other routes as treatment for chronic obstructive pulmonary disease

    We recently proposed that mepenzolate bromide (mepenzolate) would be therapeutically effective against chronic obstructive pulmonary disease (COPD) due to its both anti-inflammatory and bronchodilatory activit...

    Ken-Ichiro Tanaka, Shota Kurotsu, Teita Asano, Naoki Yamakawa in Scientific Reports (2014)

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    Article

    Mepenzolate bromide displays beneficial effects in a mouse model of chronic obstructive pulmonary disease

    The clinical treatment of chronic obstructive pulmonary disease (COPD) requires not only an improvement of airflow by bronchodilation but also the suppression of emphysema by controlling inflammation. Here we ...

    Ken-Ichiro Tanaka, Tomoaki Ishihara, Toshifumi Sugizaki in Nature Communications (2013)

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    Article

    Dubin-Johnson-like black liver with normal bilirubin level

    Black liver is a common finding in Dubin-Johnson syndrome (DJS), which is caused by the lack of multidrug resistance-associated protein 2 (MRP2). Impaired excretion of epinephrine metabolites is believed to be...

    Yoshinao Kobayashi, Tomoaki Ishihara, Morimasa Wada in Journal of Gastroenterology (2004)

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    Article

    Recent advances in bilirubin metabolism research: the molecular mechanism of hepatocyte bilirubin transport and its clinical relevance

    Bilirubin is taken up from blood into hepatocytes by sinosuidal membrane transporters and then excreted into bile through the bile canalicular membrane mainly as bilirubin glucuronides. (1) Mechanism of bilir...

    Toshinori Kamisako, Yoshinao Kobayashi, Keisuke Takeuchi in Journal of Gastroenterology (2000)