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Published in: International Urology and Nephrology 10/2023

24-03-2023 | Biomarkers | Nephrology - Review

Diagnostic utility of serum and urine biomarkers in idiopathic membranous nephropathy: a systematic review and meta-analysis

Authors: Dan Gao, Li-Ping Lu, Zhi-Guo Zhao

Published in: International Urology and Nephrology | Issue 10/2023

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Abstract

Background

Membranous nephropathy is an autoimmune nephropathy that is one of the most common pathological types of nephrotic syndrome. It is important to find and apply specific biomarkers for the noninvasive diagnosis of idiopathic membranous nephropathy (IMN). However, there are limited data about their diagnostic value. Therefore, an overall meta-analysis helps to identify effective biomarkers for the clinical diagnosis of IMN.

Methods

A systematic literature search was carried out in PubMed, Embase, Cochrane and Web of Science from inception until December 31, 2020. Two researchers searched for studies that met the inclusion criteria. The results of the joint study were expressed in terms of sensitivity and specificity.

Results

The meta-analysis included 24 studies with biomarkers for the clinical diagnosis of IMN, including antibody against phospholipase A2 receptor (PLA2R-AB), antibody against thrombospondin type I domain-containing 7A (THSD7A-AB), lysosome membrane protein-2 (LIMP-2) and circular RNAs. The diagnostic efficiency of PLA2R-AB for IMN had a combined sensitivity of 60% and a combined specificity of 100%. The diagnostic efficiency of THSD7A-AB for IMN had a combined sensitivity of 3% and a combined specificity of 99%. The diagnostic efficiency of urinary LIMP-2 for IMN was 100%, and the specificity was 100%. The diagnostic efficiency of exosomal circRNAs for IMN was 100%, and the specificity was 100%.

Conclusions

This meta-analysis shows that PLA2R-AB and THSD7A-AB are of important diagnostic value for IMN. More studies are needed in the future to reveal the diagnostic value of LIMP-2 and circRNAs for IMN.
Literature
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go back to reference Rozenberg I, Kotliroff A, Zahavi T et al (2018) Outcome of idiopathic membranous nephropathy: a retrospective study. Isr Med Assoc J 20:186–189PubMed Rozenberg I, Kotliroff A, Zahavi T et al (2018) Outcome of idiopathic membranous nephropathy: a retrospective study. Isr Med Assoc J 20:186–189PubMed
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go back to reference Zhenzhen H, Yuan F, Wei C (2020) Effects of the expression of serum PLA2R antibody on the diagnosis and immunological therapy of idiopathic membranous nephropathy. Int J Clin Exp Med 13:5959–5966 Zhenzhen H, Yuan F, Wei C (2020) Effects of the expression of serum PLA2R antibody on the diagnosis and immunological therapy of idiopathic membranous nephropathy. Int J Clin Exp Med 13:5959–5966
Metadata
Title
Diagnostic utility of serum and urine biomarkers in idiopathic membranous nephropathy: a systematic review and meta-analysis
Authors
Dan Gao
Li-Ping Lu
Zhi-Guo Zhao
Publication date
24-03-2023
Publisher
Springer Netherlands
Keyword
Biomarkers
Published in
International Urology and Nephrology / Issue 10/2023
Print ISSN: 0301-1623
Electronic ISSN: 1573-2584
DOI
https://doi.org/10.1007/s11255-023-03561-w

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