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数字PCR技术在肿瘤液体活检甲基化检测中的应用及挑战

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数字PCR技术在液体活检甲基化标志物的检测中展现出其独特的优势,高灵敏性与精确的定量能力使其成为肿瘤早期诊断和监测治疗效果的有力工具.通过对各类生物样本中的甲基化状态进行高通量、高精度的分析,数字PCR提升了肿瘤早期发现的概率,并为个性化治疗方案的制定提供了重要依据.尽管数字PCR技术具有上述优点,但其在甲基化检测中的应用仍存在一些挑战.如何确保检测的精度和重复性,提升样本处理流程的效率,以及完善数据解析和结果评估体系仍面临挑战.此外,建立与国家标准相匹配的行业规范,亦是推广数字PCR技术广泛应用于临床的关键.随着技术的不断进步和完善,数字PCR有望成为液体活检中甲基化检测的"金标准",为癌症患者提供更加准确、快捷的诊断手段,从而提高肿瘤诊治效率,改善患者预后.
Clinical Applications and Challenges of Digital PCR Technology in Methylation Detection of Tumor Liquid Biopsy
Digital PCR technology has recently demonstrated its unique advantages in the detection of methylation markers in liquid biopsy,with a high sensitivity and precise quantitative capabilities,making it a powerful tool for the early tumor diagnosis and monitoring of treatment effects.Through its ability of high-throughput and high-precision analysis of methylation status in various biological samples,digital PCR can improve the probability of the early tumor detection and provide an important reference basis for the development of personalized treatment strategies.Despite these advantages,applications of digital PCR technology in methylation detection still face some challenges,including how to ensure the accuracy and reproducibility of the detection,further improve the efficiency of sample processing procedures,and optimize the data analysis and result evaluation system.In addition,the establishment of industry standards that match national standards is also a key to facilitate the widespread clinical application of digital PCR technology.With continuous technological advancement and improvement,digital PCR is expected to become the"gold standard"for methylation detection in liquid biopsy,providing cancer patients with more accurate and rapid diagnostic tools,thus improving the efficiency of tumor diagnosis and treatment,as well as patient prognosis.

Digital PCRMethylationLiquid biopsyTumorEarly screening

张朋军

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北京大学肿瘤医院暨北京市肿瘤防治研究所介入科,恶性肿瘤发病机制及转化研究教育部重点实验室,北京 100142

数字PCR 甲基化 液体活检 肿瘤 早期筛查

国家重点研发计划国家自然科学基金青年科学基金

2020YFC200460481502591

2024

标记免疫分析与临床
中国同辐股份有限公司

标记免疫分析与临床

CSTPCD
影响因子:0.978
ISSN:1006-1703
年,卷(期):2024.31(6)