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Aptamer-based Biosensor Developed to Monitor MUC1 Released by Prostate Cancer Cells

机译:基于Aptamer的生物传感器,用于监测前列腺癌细胞释放的MUC1

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摘要

Electrochemical aptasensors can detect cancer biomarkers such as mucin 1 (MUC1) to provide point-of-care diagnosis that is low-cost, specific and sensitive. Herein, a DNA hairpin containing MUC1 aptamer was thiolated, conjugated with methylene blue (MB) redox tag, and immobilized on a gold electrode by self-assembly. The fabrication process was characterized by scanning electron microscopy, X-ray spectroscopy analysis and electrochemistry techniques. The results evidenced a stable and sensitivity sensor presenting wide linear detection range (0.65-110 ng/mL). Therefore, it was able to precisely detect MUC1 production patterns in normal (RWPE-1) and prostate cancer cells (LNCaP and PC3). The biosensor has ability to detect MUC1 in complex samples being an efficient and useful platform for cancer diagnosing in early stages and for physiological applications such as cancer treatment monitoring.
机译:电化学Aptasensors可以检测癌症生物标志物,例如粘蛋白1(MUC1),以提供低成本,具体和敏感的护理点诊断。 在此,含有MUC1适体的DNA发夹硫化,与亚甲基蓝(MB)氧化还原标签缀合,并通过自组装固定在金电极上。 通过扫描电子显微镜,X射线光谱分析和电化学技术的特征在于制造工艺。 结果证明了稳定且灵敏度传感器,呈现宽线性检测范围(0.65-110ng / ml)。 因此,它能够精确地检测正常(RWPE-1)和前列腺癌细胞(LNCAP和PC3)中的MUC1生产模式。 生物传感器具有在复杂样品中检测MUC1的能力是早期阶段的癌症和癌症治疗监测等生理应用的有效和有用的平台。

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