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  1. Article

    Open Access

    Relationship between the changes in hepatokine levels and metabolic effects after laparoscopic sleeve gastrectomy in severely obese patients

    To clarify the relationships between the changes in hepatokines and weight loss, and between these changes and the metabolic effects, and the roles played by these changes, after laparoscopic sleeve gastrectom...

    Akira Umemura, Akira Sasaki, Toshinari Takamura, Hiroaki Takayama in Surgery Today (2024)

  2. Article

    Open Access

    Leukocyte cell-derived chemotaxin 2 is an antiviral regulator acting through the proto-oncogene MET

    Retinoic acid-inducible gene (RIG)-I is an essential innate immune sensor that recognises pathogen RNAs and induces interferon (IFN) production. However, little is known about how host proteins regulate RIG-I ...

    Takayoshi Shirasaki, Satoshi Yamagoe, Tetsuro Shimakami in Nature Communications (2022)

  3. Article

    Open Access

    LECT2 as a hepatokine links liver steatosis to inflammation via activating tissue macrophages in NASH

    It remains unclear how hepatic steatosis links to inflammation. Leukocyte cell-derived chemotaxin 2 (LECT2) is a hepatokine that senses fat in the liver and is upregulated prior to weight gain. The aim of this...

    Noboru Takata, Kiyo-aki Ishii, Hiroaki Takayama, Mayumi Nagashimada in Scientific Reports (2021)

  4. Article

    Open Access

    Plasma half-life and tissue distribution of leukocyte cell-derived chemotaxin 2 in mice

    Leukocyte cell-derived chemotaxin 2 (LECT2) is a hepatokine that causes skeletal muscle insulin resistance. The circulating levels of LECT2 are a possible biomarker that can predict weight cycling because they...

    Akihiro Kikuchi, Hiroaki Takayama, Hirohiko Tsugane, Kazuhiro Shiba in Scientific Reports (2020)

  5. Article

    Open Access

    Serum selenoprotein P, but not selenium, predicts future hyperglycemia in a general Japanese population

    We aimed to test the hypothesis that selenoprotein P (SELENOP), a hepatokine involved in the development of both insulin resistance and impaired insulin production in mice, is related to future onset of hyperg...

    Swe Mar Oo, Hirofumi Misu, Yoshiro Saito, Mutsumi Tanaka, Seiji Kato in Scientific Reports (2018)

  6. No Access

    Article

    Deficiency of the hepatokine selenoprotein P increases responsiveness to exercise in mice through upregulation of reactive oxygen species and AMP-activated protein kinase in muscle

    Selenoprotein P is released from the liver and acts through LRP1 in the muscle to contribute to exercise resistance in mouse and man by inhibiting ROS levels via inhibition of AMPK and PGC-1α.

    Hirofumi Misu, Hiroaki Takayama, Yoshiro Saito, Yuichiro Mita in Nature Medicine (2017)

  7. Article

    Selenoprotein P as a diabetes-associated hepatokine that impairs angiogenesis by inducing VEGF resistance in vascular endothelial cells

    Impaired angiogenesis induced by vascular endothelial growth factor (VEGF) resistance is a hallmark of vascular complications in type 2 diabetes; however, its molecular mechanism is not fully understood. We ha...

    Kazuhide Ishikura, Hirofumi Misu, Masafumi Kumazaki, Hiroaki Takayama in Diabetologia (2014)

  8. No Access

    Chapter and Conference Paper

    Design, Synthesis, and Biological Studies of the A-Ring-Modified 1,25-Dihydroxyvitamin D3 Analogs

    Antitumor effects of 1α,25-dihydroxyvitamin D3 analogs have recently become one of the major topics of the vitamin D research field. We focused on the structure-activity relationships of the A-ring moiety of the ...

    Hiroaki Takayama, Atsushi Kittaka in Vitamin D Analogs in Cancer Prevention and… (2003)