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树状DNA原位杂交技术在子宫颈癌人乳头状瘤病毒DNA分型检测和细胞学定位中的应用
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- Author:
- No author available
- Journal Title:
- CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY
- Issue:
- 1
- DOI:
- 10.3760/j.issn:0529-567X.2005.01.017
- Key Word:
- No keyword available
Abstract： @@ 人乳头状瘤病毒(human papilloma virus, HPV)是一种环状双链DNA病毒,其基因组大小为7.9 kb.目前,传统的细胞学和血清学方法诊断率较低,特异性欠佳.树状DNA杂交(DDH)技术是一种信号放大技术,它通过增加标记探针的拷贝数或标记物的信号强度来提高敏感度[1],具有与PCR技术相似的高敏感性.本研究采用以4层单体组成的3DNA树状体作为靶序列探针载体的DDH技术,并结合原位杂交方法,对45例临床诊断为宫颈癌患者的癌组织分别进行HPV16、18DNA检测,并就提高杂交敏感性的方法学做进一步探讨,为临床推荐一个行之有效的新方法.
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