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多重聚合酶链反应在缺失型ɑ-地中海贫血诊断中的应用
引用本文:钟莉,何雅军,杨小华. 多重聚合酶链反应在缺失型ɑ-地中海贫血诊断中的应用[J]. 医疗保健器具, 2008, 15(11): 28-29
作者姓名:钟莉  何雅军  杨小华
作者单位:广州市红十字会医院检验科,广东,广州,510220
摘    要:目的:探讨多重聚合酶链式反应(PCR)在缺失型α-地中海贫血患者基因类型快速诊断中的应用价值。方法:对应用多重PCR进行α-地中海贫血检测后确诊为正常的30份样本及缺失型α-地贫的78份样本进行基因类型及血液实验学参数的回顾性比较与统计分析。结果:在78例缺失型α地中海贫血中,8例为左缺失静止型α-地贫(-α^37/α α)、3例为右缺失静止型α-地贫(-α^42/α α)、60例为东南亚型缺失α-地贫(--^sea/α α)、5例为左缺失血红蛋白(HbH)病(--^sea/-α^37)、2例为右缺失血红蛋白(HbH)病(--^sea/-α4.2),分别占缺失型α-地贫的10.3%、3.8%、76.9%、6.4%、2.6%。静止型α-地贫血液学参数MCV为(84.0±3.76)fl,红细胞脆性为(68.0±12.7)%;东南亚(标准)型α-地贫MCV为(71.7±5.1)fl,红细胞脆性为(42.3±15.2)%;HBH病MCV为(61.9±5.0)fl,红细胞脆性为(25.0±6.5)%。结论:与传统的血液学参数筛查比较,多重PCR可以准确、简便、快速地检殒,1常见的-α^37、-α^42、--^sea3种缺失型α-地贫,对静止型α-地贫的检出是一种较为理想的方法。

关 键 词:多重聚合酶链反应  α-地中海贫血  缺失型α-地中海贫血  基因诊断

Application of Multiplex PCR for Detecting Genotypes of Deletional α-Thalassemia
ZHONG Li,HE Yajun,YANG Xiaohua. Application of Multiplex PCR for Detecting Genotypes of Deletional α-Thalassemia[J]. Medicine Healthcare Apparatus, 2008, 15(11): 28-29
Authors:ZHONG Li  HE Yajun  YANG Xiaohua
Affiliation:ZHONG Li HE Yajun YANG Xiaohua (The Clinical Laboratory of GuangZhou Red Cross Hospital, Guangzhou510220,China)
Abstract:Objective To investigate the clinical application of multiplex polymerase chain reation (M-PCR)in detecting genotypes of deletionalα -thalassemiapatients. Methods Gene types and blood parameters of 78 α-thalassemia samples confirmed by multiplex polymerase chain reation were analyzed and compared with those of 31 controls retrospectively. Results Among 78 deletional α thalassemia patients with gene deletion,5 patients with--^sea/α ^3.7 (6.4%), 2with- sea/-α ^42 (2.6%), 60with-- ^sea/-α ^3.7/α α (76.9%), 8with-α ^37/α α (10.3%)and 3with-α ^42/α α (4.2 %) were found. Mean corpuscular volume(mcv) of stationary α -thalassemia, standard α -thalassemia, Hemoglobin H disease were (84.0± 3.76)fl, (71.7± 5.1) fl, (61.9± 5.0) fl respectively and Red cell Ozmotic fragility were (68.0± 12.7)%, (42.3± 15.2) %, (25.0± 6.5) % respectively. Conclusion Multipex PCR analysis is a simple, rapid and accurate method for detection ofα -thalassemia gene deletion .this technique is helpful in screening, stationary α -thalassemia.
Keywords:multiplex-PCR  α -thalassemia  deletional α -thalassemia  gene deletion
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