HMGA-targeted phosphorothioate DNA aptamers increase sensitivity to gemcitabine chemotherapy in human pancreatic cancer cell lines.

HMGA-targeted phosphorothioate DNA aptamers increase sensitivity to gemcitabine chemotherapy in human pancreatic cancer cell lines.
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靶向HMGA的磷酸座酸DNA适体在人胰腺癌细胞系中对吉西他滨化疗的敏感性。

DOI:
10.1016/j.canlet.2011.10.005
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发表时间:
2012-02-01
期刊:
影响因子:
9.7
通讯作者:
Kennedy, Michael A.
Kennedy, Michael A.
中科院分区:
医学1区
文献类型:
--
作者:
Watanabe, Miki;Sheriff, Sulaiman;Lewis, Kenneth B.;Tinch, Stuart L.;Cho, Junho;Balasubramaniam, Ambikaipakan;Kennedy, Michael A.

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胰腺癌细胞中高迁移率族A(HMGA)蛋白表达升高与化疗药物吉西他滨耐药相关。在这里,我们展示了使用HMGA靶向的AT-丰富的硫代磷酸DNA(AT-sDNA)适体来抑制HMGA致癌活性。在用吉西他滨处理后监测用AT-sDNA转染的人胰腺癌细胞(AsPC-1和Miapaca-2)的细胞生长。在两种细胞系中观察到与非富含AT的sDNA处理的细胞相比,AT-sDNA转染的细胞中的细胞死亡显著增加。数据表明HMGA靶向DNA适体在胰腺癌治疗中增强化疗功效的潜在用途。
Elevated high mobility group A (HMGA) protein expression in pancreatic cancer cells is correlated with resistance to the chemotherapy agent gemcitabine. Here, we demonstrate use of HMGA-targeted AT-rich phosphorothioate DNA (AT-sDNA) aptamers to suppress HMGA carcinogenic activity. Cell growth of human pancreatic cancer cells (AsPC-1 and Miapaca-2) transfected with AT-sDNA were monitored after treatment with gemcitabine. Significant increases in cell death in AT-sDNA transfected cells compared to non-AT-rich sDNA treated cells were observed in both cell lines. The data indicate the potential use of HMGA targeted DNA aptamers to enhance chemotherapy efficacy in pancreatic cancer treatment.
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发表时间: 2009-02-15
期刊: The Biochemical journal
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