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首页> 外文期刊>Journal of Cellular Physiology >Reactivation of human polyomavirus JC in patients affected by psoriasis vulgaris and psoriatic arthritis and treated with biological drugs: Preliminary results
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Reactivation of human polyomavirus JC in patients affected by psoriasis vulgaris and psoriatic arthritis and treated with biological drugs: Preliminary results

机译:人类患者多瘤病毒JC的复活影响牛皮癣寻常的和银屑病关节炎和生物治疗药物:初步结果

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Psoriasis vulgaris (PsV) and psoriatic arthritis (PSA) are inter-related heritable inflammatory skin diseases. Psoriatic lesions develop as a result of abnormal immune responses, hyperproliferation and altered differentiation of keratinocytes, and a notable subset of psoriatic patients develops PsA, characterized by joints inflammation. Recently, biological drugs were introduced to treat these diseases. However, this therapy has already been associated with the development of serious life-threatening infections, such as the reactivation of human polyomavirus JC (JCV), responsible for the progressive multifocal leukoencephalopathy (PML), a lethal demyelinating disease caused by oligodendrocytes lytic infection. Therefore, the aims of our study were the investigation of the possible JCV reactivation in PsV and PsA patients treated with adalimumab, etanercept, and methotrexate, performing quantitative real-time PCR in sera and skin biopsies at the time of recruitment (T0) and after 3 (T3) and 6 (T6) months of treatment, and the sequencing analysis of the JCV non-coding control region (NCCR). We found JCV DNA in 5/15 PsV patients and in 2/15 PsA patients and JCV NCCR sequence analysis always showed a structure similar to non-pathogenic CY archetype, with random occurrence of a few irrelevant point mutations. Nevertheless the poor number of patients analyzed, our preliminary data can pave the way for taking into account that the follow-up of JCV DNA detection and the JCV NCCR sequence analysis in psoriatic patients may be important to evaluate the risk of PML onset, considering that patients affected by autoimmune diseases and treated with biologics continue to rise.
机译:牛皮癣寻常的(PsV)和银屑病关节炎(PSA)是相互关联的遗传的炎症皮肤疾病。由于不正常的免疫反应,增生和分化的改变银屑病的角化细胞,一个显著的子集病人发展PsA,特点是关节炎症。介绍了治疗这些疾病。治疗已经被联系在一起发展严重的危及生命的感染,如人类的复活多瘤病毒JC (JCV),负责渐进多焦点的脑白质病(PML),致命的脱髓鞘疾病所致少突胶质细胞裂解感染。我们研究的目的是调查的可能JCV复活在埃因霍温和PsA的病人对待adalimumab道,甲氨蝶呤,执行定量实时PCR在血清和皮肤活检的时候招聘(T0)和3 (T3)和6 (T6)后个月的治疗,测序分析JCV非编码的控制区域(NCCR)。发现JCV DNA在5/15 PsV病人和在2/15PsA病人和JCV NCCR序列分析总是显示结构类似(CY原型,随机的发生一些不相关的点突变。然而穷人的患者数量分析,我们初步数据可以铺平了道路考虑到后续JCVDNA检测和JCV NCCR序列分析银屑病患者可能是重要的评估PML发病的风险,考虑到患者自身免疫疾病和影响用生物制剂治疗继续上升。

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