Abstract

聚合酶链反应(PCR)技术自1983年问世以来,因其对基因或特定核酸序列在短时间内具有极大的扩增效率,已广泛应用于感染性疾病、肿瘤、遗传病、寄生虫病、法医学、动植物和考古等诊断和研究领域,并在某些方面呈现出几乎难以替代的优势.PCR用于疾病的临床诊断后,使人们对蛋白分子表型的认识,进一步深入到了遗传物质--核酸分子的探索,也使临床检验诊断学科中的临床分子诊断技术得到了飞速发展.像任何自然界的事物一样,PCR虽然有其无可比拟的优点,但也有其一定的局限性.如果在临床实际应用中,不遵循客观规则,也很容易产生非PCR技术问题所致的错误检验结果。

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