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Detection of sjTRECs within Peripheral Blood T Cells and Thymucytes in Normal Individuals by Real-time PCR

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Author:
No author available
Journal Title:
JOURNAL OF MODERN CLINICAL MEDICAL BIOENGINEERING
Issue:
6
DOI:
10.3760/cma.j.issn.1674-1927.2001.06.002
Key Word:
sjTRECs;幼稚T细胞;胸腺细胞;实时定量PCR

Abstract: 目的了解正常人外周血T细胞和胸腺细胞中信号结合T细胞受体删除 DNA环(sjTRECs)的含量,从而推测正常人中幼稚T细胞的含量和胸腺的输出功能. 方法利用实时定量PCR和TaqMan方法检测11例正常人外周血单个核细胞、7例儿童和3例成人胸腺细胞DNA中sjTRECs的水平. 结果正常人中sjTRECs含量分别为:8.83±4.81/1000个外周血单个核细胞;27.31±3.23/1000个成人胸腺细胞和170 .29 ±59.52/1000个儿童胸腺细胞. 结论 sjTRECs水平与年龄有关,正常人外周血中每1000个单个核细胞中约含4.5个幼稚T细胞.

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