Interaction of retinoic acid and interferon in renal cancer cell lines.

Interaction of retinoic acid and interferon in renal cancer cell lines.
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视黄酸和干扰素在肾癌细胞系中的相互作用。

DOI:
10.1089/10799900050151058
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发表时间:
2000
期刊:
Journal of interferon & cytokine research : the official journal of the International Society for Interferon and Cytokine Research.
影响因子:
--
通讯作者:
Pfeffer,LM
Pfeffer,LM
中科院分区:
--
文献类型:
--
作者:
Nanus,DM;Geng,Y;Shen,R;Lai,HK;Pfeffer,SR;Pfeffer,LM

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维甲酸(RA)可增强干扰素(IFN)在多种肿瘤类型中的抗肿瘤作用,包括肾细胞癌(RCC)。RA和干扰素增强肾癌抗肿瘤作用的机制尚不清楚。采用生长实验和迁移率改变实验检测13-顺式维甲酸联合干扰素-α(加干扰素-γ)对肾癌细胞增殖和干扰素特异性转录因子干扰素刺激基因因子3表达的影响。与单独使用干扰素-α或干扰素-α相比,联合应用CRA对四种细胞株的生长抑制作用明显增强。与干扰素-α共同孵育后,肾癌细胞核提取液与干扰素刺激的反应元件寡核苷酸探针的结合不受CRA的影响,但被干扰素-γ以时间依赖的方式处理后显著增加。细胞增殖实验显示,依次加入干扰素γ和干扰素-α可明显增强细胞的生长抑制作用。干扰素-α能提高STAT2和P48的细胞水平,但不能增加STAT1的表达,而不能增加干扰素-γ和CRA的作用。干扰素-γ预处理可增强干扰素-α对P48表达的上调作用。维甲酸和干扰素联合应用对肾癌细胞株具有相加生长抑制作用。这种生长抑制的增加不是通过增加ISGF3的表达来调节的。
Retinoic acid (RA) can potentiate the antitumor effect of interferons (IFN) in a variety of tumor types, including renal cell carcinoma (RCC). The mechanisms by which RA and IFN increase the antitumor effects in RCC are unknown. We used growth assays and mobility shift assays to examine the effects of combining 13-cis-retinoic acid (CRA) and IFN-α (plus IFN-γ) on proliferation and on the expression of the IFN-specific transcription factor IFN-stimulated gene factor 3 (ISGF3) in RCC cell lines. Combining CRA and IFN-α resulted in a significant increase in growth inhibition in four cell lines compared with IFN-α or CRA alone. Binding of nuclear extracts from RCC cells to an IFN-stimulated response element (ISRE) oligonucleotide probe following incubation with IFN-α was not increased by CRA but was significantly increased by pretreatment by IFN-γ in a time-dependent fashion. Proliferation assays showed that sequential addition of IFNγ and IFN-α significantly increased growth inhibition. IFN-α but not IFN-γ or CRA increased the cellular levels Stat2 and p48 but not Stat1. IFN-γ pretreatment enhanced the upregulation of p48 levels by IFN-α. Combining RA and IFN results in additive growth inhibition on RCC cell lines. This increase in growth inhibition is not mediated by increased ISGF3 expression.
在自体器官培养模型中,抗 CD3/抗表皮生长因子受体双特异性抗体针对人肿瘤性角质形成细胞重新靶向淋巴细胞。
DOI: 10.1016/s0002-9440(10)64355-6
发表时间: 2002
期刊: The American journal of pathology
影响因子: --
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发表时间: 2001
期刊: BJU International
影响因子: 4.5
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发表时间: 1996-05-03
影响因子: 4.8
作者:
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通讯作者: Kalvakolanu, DV
视黄酸和 IFN 对细胞增殖的抑制与鳞状癌细胞系的细胞凋亡相关:IRF-1 和 TGase II 依赖性途径的作用。
DOI: --
发表时间: 1997
期刊: Cell growth & differentiation : the molecular biology journal of the American Association for Cancer Research
影响因子: --
作者:
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DOI: --
发表时间: 1990-09
期刊: Cancer research
影响因子: 11.2
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T. Ebert;N. Bander;C. L. Finstad;R. Ramsawak;Lloyd L. Old
通讯作者: T. Ebert;N. Bander;C. L. Finstad;R. Ramsawak;Lloyd L. Old