摘要循环肿瘤细胞(CTCs)和循环肿瘤DNA(ctDNA)是肿瘤脱落到循环系统或其他体液中的成分,在肿瘤的发生发展、转移、治疗和预后评估中都有较好的应用.CTCs和ctDNA的检测技术快速发展,各种检测技术的敏感性和特异性均有较大的提高.目前CTCs的检测方法主要有细胞计数法、免疫荧光标记法以及基因检测法,ctDNA的检测方法主要是基于PCR技术和以二代测序为基础的检测技术等.针对CTCs和ctDNA的检测方法和平台种类繁多,各有优缺点,需要根据研究目的灵活选用检测技术,为肿瘤的诊断和治疗提供更大的帮助.

abstractsCirculating tumor cells (CTC) and circulating tumor DNA(ctDNA)are cancer cells that detach from their primary site to circularity system or other body fluids,which hold the promise of monitoring of tumor evolution and therapeutic efficacy and improving prognosis for patients.With the rapid development of detection technologies of CTCs and ctDNA,the sensitivity and specificity of current assays had significant improved.CTCs can be detected by use of cytometry,immunofluorescence analysis and genedetection and the detection methods of ctDNA mainly based on PCR and the next generation sequencing.As the developing of various methods and platforms were developed for detecting the circulating tumor cells and circulating tumor DNA,it is necessary to use the detection technology flexibly according to the research purpose and provide more assistance for the diagnosis and treatment of tumor.