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Tumor-derived insulin-like growth factor-binding protein-1 contributes to resistance of hepatocellular carcinoma to tyrosine kinase inhibitors

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Cancer Communications 2023年第4期43卷 415-434页

作者： Hiroyuki Suzuki Hideki Iwamoto Takahiro Seki Toru Nakamura Atsutaka Masuda takahiko sakaue Toshimitsu Tanaka Yasuko Imamura Takashi Niizeki Masahito Nakano Shigeo Shimose Tomotake Shirono Yu Noda Naoki Kamachi Miwa Sakai Kazutoyo Morita Masamichi Nakayama Tomoharu Yoshizumi Ryoko Kuromatsu Hirohisa Yano Yihai Cao Hironori Koga Takuji Torimura Division of Gastroenterology Department of MedicineKurume University School of MedicineKurume CityFukuokaJapan Liver Cancer Research Division Research Center for Innovative Cancer TherapyKurume UniversityKurume CityFukuokaJapan Iwamoto Internal Medicine Clinic Kitakyushu CityFukuokaJapan Department of Microbiology Tumor and Cell biologyKarolinska InstitutetStockholmSweden Department of Surgery and Science Graduate School of Medical ScienceKyushu UniversityFukuoka CityFukuokaJapan Department of Pathology Kurume University School of MedicineKurume CityFukuokaJapan

Background:Antiangiogenic tyrosine kinase inhibitors(TKIs)provide one of the few therapeutic options for effective treatment of hepatocellular carcinoma(HCC).However,patients with HCC often develop resistance toward antiangiogenic TKIs,and the underlying mechanisms are not *** aim of this study was to determine the mechanisms underlying antiangiogenic TKI resistance in ***:We used an unbiased proteomic approach to define proteins that were responsible for the resistance to antiangiogenic TKIs in HCC *** evaluated the prognosis,therapeutic response,and serum insulin-like growth factor-binding protein-1(IGFBP-1)levels of 31 lenvatinib-treated HCC *** on the array of results,a retrospective clinical study and preclinical experiments using mouse and human hepatoma cells were ***,in vivo genetic and pharmacological gain-and loss-of-function experiments were ***:In the patient cohort,IGFBP-1 was identified as the signaling molecule with the highest expression that was inversely associated with overall ***,antiangiogenic TKI treatment markedly elevated tumor IGFBP-1 levels via the hypoxia-hypoxia inducible factor ***-1 stimulated angiogenesis through activation of the integrinα5β1-focal adhesion kinase ***,loss of IGFBP-1 and integrinα5β1 by genetic and pharmacological approaches re-sensitized HCC to lenvatinib ***:Together,our data shed light onmechanisms underlying acquired resistance of HCC to antiangiogenic *** TKIs induced an increase of tumor IGFBP-1,which promoted angiogenesis through activating the IGFBP-1-integrinα5β1 *** data bolster the application of a new therapeutic concept by combining antiangiogenic TKIs with IGFBP-1 inhibitors.

关键词： hepatocellular carcinoma hypoxia IGFBP-1 lenvatinib molecular targeting resistance tyrosine kinase inhibitors

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STAT3 deficiency prevents hepatocarcinogenesis and promotes biliary proliferation in thioacetamide-induced liver injury

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World Journal of Gastroenterology 2017年第37期23卷 6833-6844页

作者： Mitsuhiko Abe Takafumi Yoshida Jun Akiba Yu Ikezono Fumitaka Wada Atsutaka Masuda takahiko sakaue Toshimitsu Tanaka Hideki Iwamoto Toru Nakamura Michio Sata Hironori Koga Akihiko Yoshimura Takuji Torimura Division of Gastroenterology Department of Medicine Kurume University School of Medi-cine Liver Cancer Division Research Center for Innovative Cancer Therapy Kurume University Kurume Clinical pharmacology Clinic Department of Diagnostic pathology Kurume University hospital Department of Microbiology Immun--ology Keio University School of Medicine

AIM To elucidate the role of STAT3 in hepatocarcinogenesis and biliary ductular proliferation following chronic liver injury. METHODS We investigated thioacetamide(TAA)-induced liver injury, compensatory hepatocyte proliferation, and hepatocellular carcinoma(HCC) development in hepatic STAT3-deficient mice. In addition, we evaluated TAAinduced biliary ductular proliferation and analyzed the activation of sex determining region Y-box9(SOX9) and Yes-associated protein(YAP), which regulate the transdifferentiation of hepatocytes to *** Both compensatory hepatocyte proliferation and HCC formation were significantly decreased in hepatic STAT3-deficient mice as compared with control mice. STAT3 deficiency resulted in augmentation of hepatic necrosis and fibrosis. On the other hand, biliary ductular proliferation increased in hepatic STAT3-deficient livers as compared with control livers. SOX9 and YAP were upregulated in hepatic STAT3-deficient *** STAT3 may regulate hepatocyte proliferation as well as transdifferentiation into cholangiocytes and serve as a therapeutic target for HCC inhibition and biliary regeneration.

关键词： Hepatocellular 癌 Ductular 反应表明抄写 3 的变换器和使活跃之物联系是的蛋白质决定区域 Y-box9 的性 Transdifferentiation

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