肾移植后的 BK 病毒肾病及其尿微量 RNA 诊断

Transplantation proceedings Pub Date : 2024-11-01 Epub Date: 2024-10-29 DOI:10.1016/j.transproceed.2024.10.026
Yuki Nakamura, Tatsuya Chikaraishi, Yuhji Marui, Katsuyuki Miki, Takayoshi Yokoyama, Manabu Kamiyama, Yasuo Ishii
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引用次数: 0

摘要

BK 病毒相关性肾炎(BKVAN)是导致肾移植受者失去移植肾的一个重要原因,高达 30% 的肾移植受者会出现 BK 病毒血症。自 1971 年发现 BKV 以来,有效的预防和治疗方法尚未确立,BKVAN 未治愈而导致移植肾丢失的情况并不少见。当细胞免疫受到抑制时,BK 病毒感染会重新活化,这通常发生在肾移植后的第一年,因为此时细胞免疫受到的抑制最为严重。临床上,它是由潜伏感染的再激活或来自供肾的新感染引起的,导致病毒血症、病毒血症和移植肾病。目前,通过测定血液中 BK 病毒 DNA 的含量和证明移植肾活检获得的移植肾组织中 SV40 阳性细胞,可以明确诊断 BK 病毒肾病,但诊断所需的时间和使用抗体进行免疫组化的低灵敏度是个问题。因此,我们研究了是否可以通过检测肾移植受者尿液中的 miRNAs 来提前诊断 BK 病毒性肾病。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
BK Virus Nephropathy After Kidney Transplantation and Its Diagnosis Using Urinary Micro RNA.

BK virus-associated nephritis (BKVAN) is an important cause of graft loss in renal transplant recipients B K viremia occurs in up to 30% of renal transplant recipients. Since the discovery of BKV in 1971, effective prophylaxis and treatment have not been established, and it is not uncommon for a transplant kidney to be lost without cure of BKVAN. BK virus infection is reactivated when cellular immunity is suppressed, which is often during the first year after kidney transplantation when cellular immunity is most suppressed. Clinically, it is caused by reactivation of latent infection or new infection from the donor kidney, leading to viremia, viremia, and transplant nephropathy. BK virus nephropathy is currently diagnosed definitively by measuring the amount of BK virus DNA in the blood and proving SV40-positive cells in transplant kidney tissue obtained by transplant kidney biopsy, but the time required for diagnosis and the low sensitivity of immunohistochemistry using antibodies are problematic. Therefore, we investigated whether the diagnosis of BK virus nephropathy could be made earlier by searching for miRNAs in the urine of renal transplant recipients.

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