betway必威登陆网址 (betway.com )学报››2023,Vol. 44››Issue (8): 618-621.DOI:10.3969/j.issn.2097-0005.2023.08.013
收稿日期:
2023-01-22出版日期:
2023-08-25发布日期:
2023-09-14通讯作者:
高雪芹作者简介:
王刚,博士,医师,研究方向:肿瘤标志物鉴定与检测,E-mail:gangperfect@163.com。基金资助:
Gang WANG1(), Yan XU2, Xueqin GAO2(
)
Received:
2023-01-22Online:
2023-08-25Published:
2023-09-14Contact:
Xueqin GAO摘要:
环状RNA(circular RNA,circRNA)是与疾病发生、发展密切相关的一类非编码RNA,其为共价闭合的环状结构,与线性RNA相比稳定性更好,有望成为疾病检测、诊断的新型指标。circRNA的检测,尤其是定量检测对疾病的诊断十分重要。目前,以核酸扩增为基础的检测是circRNA定量最主要的方法,因此本文总结了以核酸扩增为基础的circRNA检测方法,主要包括以PCR和等温扩增技术为基础的扩增方法,期望为circRNA检测提供理论依据。
王刚, 许艳, 高雪芹. 核酸扩增技术检测circRNA研究进展[J]. betway必威登陆网址 (betway.com )学报, 2023, 44(8): 618-621.
Gang WANG, Yan XU, Xueqin GAO. Research progress of detection of circRNA based on nucleic acid amplification.[J]. Journal of Shandong First Medical Unversity & Shandong Academy of Medical Sciences, 2023, 44(8): 618-621.
检测方法 | 优点 | 缺点 |
---|---|---|
实时定量逆转录聚合酶链式反应(quantitative real time polymerase chain reaction, qRT-PCR) | 技术比较成熟、重复性高、检测灵敏[
|
绝对定量需要绘制标准曲线[
|
微滴数字逆转录PCR(droplet digital PCR, ddPCR) | 高特异性、高灵敏度,绝度定量的同时不受PCR抑制剂的影响定量不依赖标准曲线[
|
操作繁琐、仪器价格较高、需要专业人员分析结果[
|
连接酶-PCR | 不需要逆转录、检测快速、简单[
|
低通量[
|
逆转录滚环扩增(reverse transcriptionrolling circle amplification, RT-RCA) | 操作简单、成本低、特异性高[
|
尚需验证是否适合不同分子量大小的circRNA |
环介导等温扩增(loop-mediated isothermal amplification, LAMP) | 检测灵敏[
|
容易出现假阳性扩增[
|
网状杂交链式反应(netlike hybridization chain reaction, HCR) | 不需要RNase R处理、检测方便、特异性高[
|
反应比较复杂 |
双链特异性核酸酶依赖检测 | 检测灵敏、快速、易操作;可在真实样本中显示荧光[
|
需要提前RNase R处理检测样本[
|
表格1以核酸扩增为基础检测技术检测circRNA的比较
检测方法 | 优点 | 缺点 |
---|---|---|
实时定量逆转录聚合酶链式反应(quantitative real time polymerase chain reaction, qRT-PCR) | 技术比较成熟、重复性高、检测灵敏[
|
绝对定量需要绘制标准曲线[
|
微滴数字逆转录PCR(droplet digital PCR, ddPCR) | 高特异性、高灵敏度,绝度定量的同时不受PCR抑制剂的影响定量不依赖标准曲线[
|
操作繁琐、仪器价格较高、需要专业人员分析结果[
|
连接酶-PCR | 不需要逆转录、检测快速、简单[
|
低通量[
|
逆转录滚环扩增(reverse transcriptionrolling circle amplification, RT-RCA) | 操作简单、成本低、特异性高[
|
尚需验证是否适合不同分子量大小的circRNA |
环介导等温扩增(loop-mediated isothermal amplification, LAMP) | 检测灵敏[
|
容易出现假阳性扩增[
|
网状杂交链式反应(netlike hybridization chain reaction, HCR) | 不需要RNase R处理、检测方便、特异性高[
|
反应比较复杂 |
双链特异性核酸酶依赖检测 | 检测灵敏、快速、易操作;可在真实样本中显示荧光[
|
需要提前RNase R处理检测样本[
|
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