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通过逆转录PCR(RT-PCR)方法扩增HIV-1 pol基因的特定区域,并对PCR产物进行测序,将所测序列与数据库中的参考序列或共享序列比较,判断是否出现耐药相关的基因突变,并根据HIV-1耐药基因型解释系统的规则来评判对特定药物的耐药程度。
通过免疫印迹方法检测血浆、血清或滤纸干血斑样本中是否含有HIV-1病毒抗原以明确检测对象是否感染HIV-1。
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%%tab-主要仪器
Eppendorf PCR仪和ABI基因测序仪
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分基因区(蛋白酶(PRO)和逆转录酶(RT))报告耐药相关的基因突变,基因突变以“字母-数字-字母”的书写方式来表示,第一个字母代表野生型病毒株特定密码子处的氨基酸,第二个字母代表在特定密码子处替换了的氨基酸。根据HIV-1耐药基因型解释系统报告耐药程度:敏感(S)、潜在耐药(P)、低度耐药(L)、中度耐药(I)和高度耐药(H)五个水平。
正常人检测结果为阴性。
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用于个体患者的耐药检测。在抗病毒治疗前进行耐药检测,可指导临床医生制定抗病毒治疗方案,保证抗病毒治疗的效果;在抗病毒治疗过程中进行耐药检测,可指导临床医生分析治疗失败的原因,并制定补救治疗方案。
用于HIV-1感染的确诊。
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EDTA抗凝全血5 mL,要求感染者血浆病毒载量≥1000拷贝/毫升或国际单位。
EDTA抗凝全血5 mL。
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1800元
400元
Version Date Modified Size Author Changes ... Change note
67 23-Aug-2013 15:22 0.186 kB 曹清毅 to previous
66 21-Aug-2013 16:36 0.186 kB 1614216108 to previous | to last
65 21-Aug-2013 16:09 0.245 kB 6A18P3 to previous | to last
64 21-Aug-2013 16:07 0.245 kB 6A18P3 to previous | to last
63 21-Aug-2013 16:07 0.246 kB 6A18P3 to previous | to last
62 21-Aug-2013 15:59 0.293 kB 6A18P3 to previous | to last
61 21-Aug-2013 15:50 0.266 kB 6A18P3 to previous | to last
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