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  1. 福島医学会
  2. Fukushima Journal of Medical Science
  3. Vol.64 (2018)

Interleukin-6 induces drug resistance in renal cell carcinoma

https://fmu.repo.nii.ac.jp/records/2001962
https://fmu.repo.nii.ac.jp/records/2001962
91c41616-9f48-4eab-9ec4-3b63193c19a5
名前 / ファイル ライセンス アクション
FksmJMedSci_64_p103.pdf FksmJMedSci_64_p103.pdf (479.4 KB)
Item type デフォルトアイテムタイプ(フル)fmu(1)
公開日 2018-12-18
タイトル
タイトル Interleukin-6 induces drug resistance in renal cell carcinoma
言語 en
作成者 Ishibashi, Kei

× Ishibashi, Kei

en Ishibashi, Kei

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Koguchi, Tomoyuki

× Koguchi, Tomoyuki

en Koguchi, Tomoyuki

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Matsuoka, Kanako

× Matsuoka, Kanako

en Matsuoka, Kanako

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Onagi, Akifumi

× Onagi, Akifumi

en Onagi, Akifumi

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Tanji, Ryo

× Tanji, Ryo

en Tanji, Ryo

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Takinami-Honda, Ruriko

× Takinami-Honda, Ruriko

en Takinami-Honda, Ruriko

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Hoshi, Seiji

× Hoshi, Seiji

en Hoshi, Seiji

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Onoda, Mitsutaka

× Onoda, Mitsutaka

en Onoda, Mitsutaka

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Kurimura, Yoshimasa

× Kurimura, Yoshimasa

en Kurimura, Yoshimasa

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Hata, Junya

× Hata, Junya

en Hata, Junya

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Sato, Yuichi

× Sato, Yuichi

en Sato, Yuichi

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Kataoka, Masao

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en Kataoka, Masao

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Ogawa, Soichiro

× Ogawa, Soichiro

en Ogawa, Soichiro

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Haga, Nobuhiro

× Haga, Nobuhiro

en Haga, Nobuhiro

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Kojima, Yoshiyuki

× Kojima, Yoshiyuki

en Kojima, Yoshiyuki

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権利情報
権利情報 © 2018 The Fukushima Society of Medical Science
内容記述
内容記述タイプ Abstract
内容記述 Metastatic renal cell carcinoma (mRCC) is a tumor entity with poor prognosis due to limited therapy options. Tyrosine kinase inhibitors (TKIs), the novel targeted agents have been used for the treatment of mRCC and have shown efficacy. Interferon (IFN)-α is also one of the most frequently used agents in immunotherapy. However, drug resistance needs to be overcome to achieve a sufficiently positive effect. Interleukin-6 (IL-6), which induce suppressor of cytokine signaling-3 (SOCS3) expression, is one of the factors associated with poor prognosis of patients with renal cell carcinoma (RCC). To analyze the influence of IL-6 in drug resistance of RCC, anti-IL-6 receptor antibody was used in combination with IFN or TKIs. The SOCS3 mRNA expression level was significantly increased by IFN-α stimulation in 786-O RCC cells which were resistant to IFN, but not in ACHN cells that were sensitive to IFN. The overexpression of SOCS3 by gene transfection in ACHN significantly inhibited the growth-inhibitory effect of IFN-α. An in vivo study demonstrated that co-administration of SOCS3-targeted siRNA promoted INF-α-induced cell death and growth suppression in 786-O cell xenograft. SOCS3 could be a key component in the resistance to interferon treatment of renal cell carcinoma. Because SOCS3 is rapidly up-regulated by IL-6 and a negative regulator of cytokine signaling, IL-6 expression on RCC cells was also analyzed and the 786-O cells showed the high level of IL-6 mRNA expression under the condition of interferon stimulation. IL-6R antibody, tocilizumab, significantly suppressed cell proliferation in 786-O cells by interferon stimulation accompanied with phosphorylation of STAT1 and inhibited SOCS3 expression. The in vivo effects of combination therapy with tocilizumab and interferon showed significant suppression of 786-O tumor growth in a xenograft model. We also hypothesized that TKI resistance and IL-6 secretion are causally connected. And we found that 786-O RCC cells secrete high IL-6 levels after low dose stimulation with the TKIs sorafenib, sunitinib and pazopanib, inducing activation of AKT-mTOR pathway, NFκB, HIF-2α and VEGF expression. Tocilizumab neutralizes the AKT-mTOR pathway activation and results in reduced proliferation. A combination therapy with tocilizumab and TKI suppresses 786-O tumor growth and inhibits angiogenesis in vivo more efficient than TKI alone. Our findings suggest that IL-6 could induce drug resistance on RCC, and combination therapy of IL-6R inhibitors and IFN/TKIs may represent a novel therapeutic approach for RCC treatment.
出版者
出版者 The Fukushima Society of Medical Science
言語
言語 eng
書誌情報 en : Fukushima Journal of Medical Science

巻 64, 号 3, p. 103-110, 発行日 2018
関連情報
関連タイプ isIdenticalTo
識別子タイプ DOI
関連識別子 https://doi.org/10.5387/fms.2018-15
関連情報
識別子タイプ PMID
関連識別子 30369518
関連情報
識別子タイプ ICHUSHI
関連識別子 2020107744
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ journal article
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
収録物識別子
収録物識別子タイプ PISSN
収録物識別子 0016-2590
収録物識別子
収録物識別子タイプ EISSN
収録物識別子 2185-4610
収録物識別子
収録物識別子タイプ NCID
収録物識別子 AA0065246X
主題
主題Scheme Other
主題 renal cell carcinoma
主題
主題Scheme Other
主題 IFN
主題
主題Scheme Other
主題 IL-6
主題
主題Scheme Other
主題 SOCS 3
主題
主題Scheme Other
主題 TKI
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