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首页> 外文期刊>Anticancer Research: International Journal of Cancer Research and Treatment >The prognostic value of the orphan nuclear receptor DAX-1 (NROB1) in node-negative breast cancer.
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The prognostic value of the orphan nuclear receptor DAX-1 (NROB1) in node-negative breast cancer.

机译:孤儿核受体DAX-1(NROB1)在淋巴结阴性乳腺癌中的预后价值。

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摘要

BACKGROUND: DAX-1 inhibits oestrogen receptor (ER) activities and aromatase P450 expression. The prognostic effect of DAX-1 expression in breast cancer was investigated. PATIENTS AND METHODS: DAX-1, apolipoprotein D (ApoD), mitotic activity index (MAI) and other prognosticators were evaluated, by quantitative immunohistochemistry (IHC) and/or real-time reverse-transcription polymerase chain reaction (qRT-PCR) analysis, in 103 invasive node-negative breast carcinomas. RESULTS: With median 122 months follow-up, 24 patients developed distant metastases, of whom, 21 (20%) died. Low DAX-1 expression both by qRT-PCR and IHC was associated with poor survival. Combined strong DAX-1 and Apo D expression identified a subgroup with excellent survival. The most favourable prognostic combination was MAI <3 or (MAI >/= 3 combined with DAX-1 and ApoD high expression) versus MAI >/= 3 with either low ApoD and/or low DAX-1 expression) (p<0.0001, HR=6.1). CONCLUSION: In operable node-negative breast cancer, strong DAX-1 expression is associated with excellent survival.
机译:背景:DAX-1抑制雌激素受体(ER)活性和芳香化酶P450表达。研究了DAX-1表达在乳腺癌中的预后作用。患者和方法:通过定量免疫组织化学(IHC)和/或实时逆转录聚合酶链反应(qRT-PCR)分析评估DAX-1,载脂蛋白D(ApoD),有丝分裂活性指数(MAI)和其他预后在103例浸润性淋巴结阴性乳腺癌中。结果:在中位122个月的随访中,有24例患者发生远处转移,其中21例(20%)死亡。通过qRT-PCR和IHC进行的DAX-1低表达均与存活率低有关。结合在一起的强DAX-1和Apo D表达确定了一个具有优异生存率的亚组。最有利的预后组合是MAI <3或(MAI> / = 3与DAX-1和ApoD高表达组合)与MAI> / = 3与ApoD低和/或DAX-1低表达组合(p <0.0001, HR = 6.1)。结论:在可操作的淋巴结阴性乳腺癌中,强DAX-1表达与优异的生存率相关。

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