Circulating miRNAs in extracellular vesicles related to treatment response in patients with idiopathic membranous nephropathyopen access
- Authors
- Sun, In O.; Bae, Yun-Ui; Lee, Haekyung; Kim, Hyoungnae; Jeon, Jin Seok; Noh, Hyunjin; Choi, Jong-Soo; Doh, Kyung-Oh; Kwon, Soon Hyo
- Issue Date
- May-2022
- Publisher
- BioMed Central
- Keywords
- Extracellular vesicles; microRNAs; Glomerulonephritis; Treatment outcome
- Citation
- Journal of Translational Medicine, v.20, no.1, pp 1 - 12
- Pages
- 12
- Journal Title
- Journal of Translational Medicine
- Volume
- 20
- Number
- 1
- Start Page
- 1
- End Page
- 12
- URI
- https://scholarworks.bwise.kr/sch/handle/2021.sw.sch/20867
- DOI
- 10.1186/s12967-022-03430-7
- ISSN
- 1479-5876
- Abstract
- Background Extracellular vesicle (EV)-microRNAs (miRNAs) are potential biomarkers for various renal diseases. This study attempted to identify the circulating EV-miRNA signature not only for discriminating idiopathic membranous nephropathy (IMN) from idiopathic nephrotic syndrome (INS), but also to predict the treatment response of patients with IMN. Methods We prospectively enrolled 60 participants, including those with IMN (n = 19) and INS (n = 21) and healthy volunteers (HVs; n = 20) in this study. Using RNA sequencing, we assessed the serum EV-miRNA profiles of all participants. To identify the EV-miRNAs predictive of treatment response in IMN, we also analyzed EV-miRNAs among patients with IMN with and without clinical remission. Results The expression levels of 3 miRNAs differed between IMN patients, INS patients and HVs. In addition, compared to HVs, RNA sequencing revealed differential expression of 77 and 44 EV-miRNAs in patients with IMN without and with remission, respectively. We also identified statistically significant (|fold change >= 2, p < 0.05) differences in the expression levels of 23 miRNAs in IMN without remission. Biological pathway analysis of miRNAs in IMN without remission indicated that they are likely involved in various pathways, including renal fibrosis. Conclusion Our study identified EV-miRNAs associated with IMN as well as those associations with therapeutic response. Therefore, these circulating EV-miRNAs may be used as potential markers for the diagnosis and prediction of treatment response in patients with IMN.
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