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摘要:
目的 了解江苏省无锡市2014-2016年随访的HIV感染者或AIDS患者(HIV/AIDS)HIV基因水平耐药变化特征。 方法 以2014年无锡市HIV/AIDS人群为研究对象,开展HIV分子流行病学调查及随访研究。收集感染者的基本信息,并从其血液样本中提取DNA,通过nest-PCR扩增pol基因片段并测序,将pol序列提交至HIV耐药数据库进行耐药突变位点分析。2016年随访相同人群,再次检测人类免疫缺陷病毒-1型(human immunodeficiency virus-1,HIV-1)耐药突变情况,分析两年间耐药变化情况。 结果 在2014-2016年共整理收集HIV/AIDS者612例,年龄主要集中在30岁及以上,占比85.46%(523/612),其中≥50岁人群比例较高,占比37.26%(228/612)。传播途径以同性性传播为主,占49.68%(304/612)。共检测1 224例样本,成功获得811条pol序列,检出总耐药率为10.11%(82/811),对非核苷类反转录酶抑制剂(non-nucleoside reverse transcriptase inhibitors, NNRTIs)、核苷类反转录酶抑制剂(nucleoside reverse transcriptase inhibitors, NRTIs)和蛋白酶抑制剂(protease inhibitors, PIs)的耐药率分别为7.77%(63/811)、5.30%(43/811)和1.23%(10/811)。最常见的耐药突变位点是K103N/S和M184V/I。共有38例HIV/AIDS感染者随访前后耐药结果发生变化。 结论 无锡市HIV/AIDS感染者HIV-1基因水平耐药多样且复杂,耐药变化较大,应继续加强耐药突变监测及抗病毒治疗管理。 Abstract:Objective To investigate the characteristics of HIV gene drug resistance changes among human immunodeficiency virus infected person /acquired immune deficiency syndrome patients (HIV/AIDS) in Wuxi City, Jiangsu Province from 2014 to 2016. Methods The HIV/ AIDS population in Wuxi City in 2014 was used as the research object to carry out HIV molecular epidemiological investigation and follow-up research. Basic information of the infected persons were collected, and DNA was extracted from their blood samples. The pol gene fragment was amplified by nest-PCR and sequenced. The sequence was then submitted to the HIV drug resistance database for drug resistance mutation analysis. In 2016, the same population was followed up. The HIV-1 drug resistance mutation was tested again, and the change of drug resistance during two years was analyzed. Results A total of 612 HIV/AIDS cases from 2014 to 2016 were collected. Most of them were aged 30 or above, accounting for 85.46% (523/612), among which the proportion of people aged 50 or older was higher, accounting for 37.25% (228/612). The main route of transmission was homosexual transmission, accounting for 49.67% (304/612). A total of 1 224 samples were tested and 811 pol sequences were successfully obtained. The total resistance rate was 10.11% (82/811). The drug resistance rates to non-nucleoside reverse transcriptase inhibitors, nucleoside reverse transcriptase inhibitors and protease inhibitors were 7.77% (63/ 811), 5.30% (43 /811) and 1.23% (10/811), respectively. The most common mutations were K103N/S and M184V/I. A total of 38 cases of HIV/AIDS had changes in drug resistance before and after follow-up. Conclusion The drug resistance of human immunodeficiency virus-1 (HIV-1) gene level of HIV/AIDS patients in Wuxi was diverse and complex, and the drug resistance changed greatly. Therefore, the monitoring of drug-resistant mutations and the management of antiviral treatment should be strengthened. -
Key words:
- HIV infected person /
- AIDS patients /
- Drug resistance variation
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表 1 2014年无锡市612例HIV/AIDS感染者的基本人口学特征
Table 1. Demographic characteristics of 612 HIV/AIDS patients in Wuxi City in 2014
研究对象特征 频数 百分比(%) 性别 男 515 84.15 女 97 15.85 年龄a(岁) < 30 89 14.54 30~ < 40 160 26.14 40~ < 50 135 22.06 ≥50 228 37.26 婚姻状况 未婚 175 28.60 已婚有配偶 230 37.58 离婚或丧偶 207 33.82 文化程度 大专及以上 129 21.08 高中或中专 174 28.43 初中 224 36.60 小学 80 13.07 文盲 5 0.82 感染途径 同性传播 304 49.68 异性传播 289 47.22 注射毒品 7 1.14 血液传播 3 0.49 其他 9 1.47 CD4细胞b(个/μl) ≥350 396 64.71 < 350 216 35.29 抗病毒治疗c 否 66 10.78 是 546 89.22 确诊到治疗时间(年) < 1 348 56.86 1~ < 2 91 14.87 2~ < 3 55 8.98 3~ < 4 30 4.90 ≥4 22 3.59 注:a年龄:2016年612例HIV/AIDS的年龄; b CD4细胞:2016年612例HIV/AIDS的CD4细胞计数水平; c抗病毒治疗:2016年612例HIV/AIDS抗病毒治疗情况。 表 2 2014-2016年无锡市HIV/AIDS感染者耐药变化情况
Table 2. Changes of drug resistance in HIV/AIDS patients in Wuxi City from 2014 to 2016
编号 抗病毒治疗 耐药药物 耐药位点 耐药程度 亚型 CD4细胞(个/μl) 2014年 2016年 2014年 2016年 2014年 2016年 wx1 是 是 NRTI T215N 低 01_AE 445 470 wx2 是 是 NRTI M184V D67N, M184I 低 B 512 422 wx3 是 是 NRTI M184V 高 01_AE 641 695 wx4 是 是 NRTI D67N, T69D, K70R, M184V, T215F, K219Q M184V 高 01_AE 267 688 wx5 否 是 NNRTI V179F 低 01_AE 284 368 wx6 是 是 NNRTI G190A 高 01_AE 40 202 wx7 是 是 NNRTI G190E 高 01_AE 437 1 424 wx8 是 是 NRTI M184V 高 01_AE 123 320 NNRTI K103N 高 wx9 是 是 NRTI M184I 高 B 202 194 NNRTI V106I, E138K, M230I 高 wx10 是 是 NRTI K65R, Y115F 高 01_AE 11 173 NNRTI K101E, E138K, G190V, H221Y E138K 高 wx11 是 是 PI I54V 低 01_AE 306 291 wx12 是 是 NRTI M184V 高 08_BC 630 707 wx13 是 是 NRTI M184I 高 01_AE 323 419 wx14 否 否 NRTI T215I 低 01_AE/07_BC 843 68 wx15 是 是 NRTI Y115F, T215I 高 01_AE 681 447 wx16 是 是 NNRTI V108I 低 68_01B 375 596 wx17 否 是 NNRTI M230I 中 07_BC 244 472 wx18 是 是 NNRTI M230I 中 01_AE 137 238 wx19 是 是 NNRTI M230I 中 01_AE 449 562 wx20 是 是 NNRTI M230I 中 67_01B 98 93 wx21 是 是 NNRTI V179D 中 01_AE 99 73 wx22 是 是 NNRTI V179E, M230I 中 55_01B 380 578 wx23 否 是 NNRTI K103N 高 01_AE 290 450 wx24 否 是 NNRTI K103N 高 01_AE 117 95 wx25 是 是 NNRTI K103N 高 B 320 716 wx26 是 是 NNRTI K103N 高 01_AE 291 449 wx27 是 是 NNRTI K103N 高 01_AE 144 222 wx28 是 是 NNRTI K103N 高 01_AE/B 458 466 wx29 是 是 NNRTI K103N 高 01_AE 418 487 wx30 是 是 NNRTI G190E 高 01_AE 717 738 wx31 是 是 NNRTI G190S 高 01_AE 223 369 wx32 是 是 NNRTI Y181C, G190A 高 01_AE 183 262 wx33 是 是 NRTI M184I 高 01_AE 1 087 1 406 NNRTI M230I 中 wx34 是 是 NRTI M184I 高 07_BC 339 746 NNRTI M230I 中 wx35 是 是 NRTI M184I 高 B 423 413 NNRTI M230I 中 wx36 是 是 NRTI M184I 高 01_AE 353 429 NNRTI E138K, M230I 高 wx37 是 是 NRTI M184I 高 01_AE 653 315 NNRTI V106M, M230I 高 wx38 否 是 NRTI D67N, K70E, M184I 高 67_01B 8 163 NNRTI A98G, K103N, Y181C, P225H 高 -
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