Specific siRNA targeting receptor for advanced glycation end products (RAGE) decreases proliferation in human breast cancer cell lines.

Specific siRNA targeting receptor for advanced glycation end products (RAGE) decreases proliferation in human breast cancer cell lines.
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晚期糖基化终产物 (RAGE) 的特异性 siRNA 靶向受体可减少人乳腺癌细胞系的增殖

DOI:
10.3390/ijms14047959
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发表时间:
2013-04-11
影响因子:
5.6
通讯作者:
Wang W
Wang W
中科院分区:
生物学2区
文献类型:
--
作者:
Radia AM;Yaser AM;Ma X;Zhang J;Yang C;Dong Q;Rong P;Ye B;Liu S;Wang W

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高级糖基化终产物受体 (RAGE) 是一种致癌跨膜受体,在多种人类癌症中过度表达。然而,RAGE在乳腺癌发生和增殖中的作用仍不清楚。在这项研究中,我们证明了 RAGE 表达水平与乳腺癌的严重程度相关。此外,由于 RAGE siRNA 的作用,所有乳腺癌亚型、MCF-7、SK-Br-3 和 MDA-MB-231 的增殖均有所减少。 RAGE siRNA 将细胞阻滞于 G1 期并抑制 DNA 合成 (p < 0.05)。此外,qRT-PCR 和 Western Blot 结果表明,RAGE siRNA 降低转录因子 NF-κB p65 的表达以及细胞增殖标志物 PCNA 和 cyclinD1 的表达。因此,RAGE 和 RAGE 配体可以被视为乳腺癌管理和治疗的可能靶点。
Receptor for Advanced Glycation End Products (RAGE) is an oncogenic trans-membranous receptor overexpressed in various human cancers. However, the role of RAGE in breast cancer development and proliferation is still unclear. In this study, we demonstrated that RAGE expression levels are correlated to the degree of severity of breast cancer. Furthermore, there is a decrease in the proliferation of all sub-types of breast cancer, MCF-7, SK-Br-3 and MDA-MB-231, as a result of the effect of RAGE siRNA. RAGE siRNA arrested cells in the G1 phase and inhibited DNA synthesis (p < 0.05). Moreover, qRT-PCR and Western Blot results demonstrated that RAGE siRNA decreases the expression of transcriptional factor NF-κB p65 as well as the expression of cell proliferation markers PCNA and cyclinD1. RAGE and RAGE ligands can thus be considered as possible targets for breast cancer management and therapy.
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