Splice variant transcripts of the anterior gradient 2 gene as a marker of prostate cancer.

Splice variant transcripts of the anterior gradient 2 gene as a marker of prostate cancer.
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DOI:
10.18632/oncotarget.2365
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发表时间:
2014-09-30
期刊:
影响因子:
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通讯作者:
Cato AC
Cato AC
中科院分区:
其他
文献类型:
--
作者:
Neeb A;Hefele S;Bormann S;Parson W;Adams F;Wolf P;Miernik A;Schoenthaler M;Kroenig M;Wilhelm K;Schultze-Seemann W;Nestel S;Schaefer G;Bu H;Klocker H;Nazarenko I;Cato AC

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前梯度2(AGR 2)是主要在粘液分泌组织或内分泌细胞中表达的基因。它的表达在包括前列腺癌在内的肿瘤中急剧增加。在这里,我们研究了AGR 2转录水平是否可以用作检测前列腺癌(PCa)的生物标志物。使用基于PCR的方法,我们可以表明,除了野生型(AGRwt长和短)转录物之外,五种其他AGR 2剪接变体(SV)(称为AGR 2 SV-C、-E、-F、-G和-H)存在于癌细胞系中。在组织活检中,SV-H和AGR 2 wt(短)区分了良性前列腺癌和前列腺癌(p ≤ 0.05 n = 32)。在尿外泌体中,AGR 2 SV-G和SV-H优于血清PSA。受试者工作特征(ROC)曲线显示,SV-G和SV-H在预测PCa方面的区分能力最高。AGR 2 SV-G和SV-H是使用尿外来体非侵入性检测PCa的潜在诊断生物标志物。
Anterior gradient 2 (AGR2) is a gene predominantly expressed in mucus-secreting tissues or in endocrine cells. Its expression is drastically increased in tumors including prostate cancer. Here we investigated whether AGR2 transcript levels can be used as a biomarker to detect prostate cancer (PCa). Using a PCR-based approach, we could show that in addition to the wild-type (AGRwt long and short) transcripts, five other AGR2 splice variants (SV) (referred to as AGR2 SV-C, -E, -F, -G and -H) were present in cancer cell lines. In tissue biopsies, SV-H and AGR2wt (short) distinguished between benign and PCa (p ≤ 0.05 n = 32). In urine exosomes, AGR2 SV-G and SV-H outperformed serum PSA. Receiver operating characteristic (ROC) curves showed the highest discriminatory power of SV-G and SV-H in predicting PCa. AGR2 SV-G and SV-H are potential diagnostic biomarkers for the non-invasive detection of PCa using urine exosomes.
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