The impact of preanalytical variables on the analysis of cell-free DNA from blood and urine samples

被引:4
|
作者
Peng, Hongwei [1 ]
Pan, Ming [2 ]
Zhou, Zongning [1 ]
Chen, Congbo [3 ]
Xing, Xing [4 ]
Cheng, Shaoping [4 ]
Zhang, Shanshan [1 ]
Zheng, Hang [5 ]
Qian, Kaiyu [1 ,5 ]
机构
[1] Wuhan Univ, Zhongnan Hosp, Hubei Key Lab Urol Dis,Dept Biol Repositories, Wuhan, Peoples R China
[2] Hubei Univ Med, Taihe Hosp, Taihe Skills Training Ctr, Shiyan, Hubei, Peoples R China
[3] Hubei Univ Med, Taihe Hosp, Dept Urol, Shiyan, Hubei, Peoples R China
[4] Yangtze Univ, Affiliated Hosp 1, Dept Urol, Jingzhou, Hubei, Peoples R China
[5] Wuhan Univ, Zhongnan Hosp, Dept Urol, Lab Precis Med, Wuhan, Peoples R China
关键词
cell-free DNA (cfDNA); preanalytical variables; standardization; blood; urine; CIRCULATING TUMOR DNA; FREE PLASMA DNA; LIQUID BIOPSY; COLLECTION TUBES; COMMERCIAL KITS; NUCLEIC-ACIDS; CANCER DIAGNOSTICS; LUNG-CANCER; DIGITAL PCR; SERUM;
D O I
10.3389/fcell.2024.1385041
中图分类号
Q2 [细胞生物学];
学科分类号
071009 ; 090102 ;
摘要
Cell-free DNA (cfDNA), a burgeoning class of molecular biomarkers, has been extensively studied across a variety of biomedical fields. As a key component of liquid biopsy, cfDNA testing is gaining prominence in disease detection and management due to the convenience of sample collection and the abundant wealth of genetic information it provides. However, the broader clinical application of cfDNA is currently impeded by a lack of standardization in the preanalytical procedures for cfDNA analysis. A number of fundamental challenges, including the selection of appropriate preanalytical procedures, prevention of short cfDNA fragment loss, and the validation of various cfDNA measurement methods, remain unaddressed. These existing hurdles lead to difficulties in comparing results and ensuring repeatability, thereby undermining the reliability of cfDNA analysis in clinical settings. This review discusses the crucial preanalytical factors that influence cfDNA analysis outcomes, including sample collection, transportation, temporary storage, processing, extraction, quality control, and long-term storage. The review provides clarification on achievable consensus and offers an analysis of the current issues with the goal of standardizing preanalytical procedures for cfDNA analysis.
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页数:20
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