A Comparative Study of the Gut Microbiota Associated With Immunoglobulin a Nephropathy and Membranous Nephropathy

Overview

Journal Front Cell Infect Microbiol

Specialties Cell Biology
Infectious Diseases
Microbiology

Date 2020 Nov 16

PMID 33194798

Citations 48

Authors

Ruijuan Dong

Ming Bai

Jin Zhao

Di Wang

Xiaoxuan Ning

Shiren Sun

Affiliations

Soon will be listed here.

Abstract

The pathogenesis of immunoglobulin A nephropathy (IgAN) and membranous nephropathy (MN) is characterized by immune dysregulation, which is related to gut dysbiosis. The aim of the study was to compare the gut microbiota of patients with IgAN and MN vs. healthy controls. We used 16S rDNA amplicon sequencing to investigate the bacterial communities of 44 patients with kidney biopsy-proven IgAN, 40 patients with kidney biopsy-proven MN, and 30 matched healthy controls (HC). The abundance of and were significantly higher in IgAN than in HC, whereas lower abundances were observed for unclassified, and . Furthermore, the abundance of , and unclassified increased, while that of unclassified, and decreased in MN. The abundance of and was higher, whereas that of , and was lower in patients with IgAN than in those with MN. Analysis of the correlations showed that in the IgAN group, was positively correlated, while , and were negatively correlated with the level of serum albumin. Positive correlation also existed between and Crescents in the Oxford classification of IgAN. In the MN group, negative correlation was observed between and proteinuria, and showed positive correlation with the MN stage. Patients with IgAN and MN exhibited gut microbial signatures distinct from healthy controls. Our study suggests the potential of gut microbiota as specific biomarker and contributor in the pathogenesis of IgAN and MN.

Citing Articles

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