Cell-type-specific molecular characterization of cells from circulation and kidney in IgA nephropathy with nephrotic syndrome

Nephrotic syndrome (NS) is a relatively rare and serious presentation of IgA nephropathy (IgAN) (NS-IgAN). Previous research has suggested that the pathogenesis of NS-IgAN may involve circulating immune imbalance and kidney injury; however, this has yet to be fully elucidated. To investigate the cel...

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Main Authors: Qilin Chen, Huimin Jiang, Rong Ding, Jinjie Zhong, Longfei Li, Junli Wan, Xiaoqian Feng, Liping Peng, Xia Yang, Han Chen, Anshuo Wang, Jia Jiao, Qin Yang, Xuelan Chen, Xiaoqin Li, Lin Shi, Gaofu Zhang, Mo Wang, Haiping Yang, Qiu Li
Format: Article
Language:English
Published: Frontiers Media S.A. 2023-10-01
Series:Frontiers in Immunology
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fimmu.2023.1231937/full
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author Qilin Chen
Qilin Chen
Qilin Chen
Huimin Jiang
Huimin Jiang
Huimin Jiang
Rong Ding
Jinjie Zhong
Jinjie Zhong
Jinjie Zhong
Longfei Li
Junli Wan
Junli Wan
Xiaoqian Feng
Xiaoqian Feng
Xiaoqian Feng
Liping Peng
Liping Peng
Liping Peng
Xia Yang
Xia Yang
Xia Yang
Han Chen
Han Chen
Anshuo Wang
Anshuo Wang
Jia Jiao
Jia Jiao
Qin Yang
Qin Yang
Xuelan Chen
Xuelan Chen
Xiaoqin Li
Xiaoqin Li
Lin Shi
Lin Shi
Gaofu Zhang
Gaofu Zhang
Mo Wang
Mo Wang
Haiping Yang
Haiping Yang
Qiu Li
Qiu Li
Qiu Li
author_facet Qilin Chen
Qilin Chen
Qilin Chen
Huimin Jiang
Huimin Jiang
Huimin Jiang
Rong Ding
Jinjie Zhong
Jinjie Zhong
Jinjie Zhong
Longfei Li
Junli Wan
Junli Wan
Xiaoqian Feng
Xiaoqian Feng
Xiaoqian Feng
Liping Peng
Liping Peng
Liping Peng
Xia Yang
Xia Yang
Xia Yang
Han Chen
Han Chen
Anshuo Wang
Anshuo Wang
Jia Jiao
Jia Jiao
Qin Yang
Qin Yang
Xuelan Chen
Xuelan Chen
Xiaoqin Li
Xiaoqin Li
Lin Shi
Lin Shi
Gaofu Zhang
Gaofu Zhang
Mo Wang
Mo Wang
Haiping Yang
Haiping Yang
Qiu Li
Qiu Li
Qiu Li
author_sort Qilin Chen
collection DOAJ
description Nephrotic syndrome (NS) is a relatively rare and serious presentation of IgA nephropathy (IgAN) (NS-IgAN). Previous research has suggested that the pathogenesis of NS-IgAN may involve circulating immune imbalance and kidney injury; however, this has yet to be fully elucidated. To investigate the cellular and molecular status of NS-IgAN, we performed single-cell RNA sequencing (scRNA-seq) of peripheral blood mononuclear cells (PBMCs) and kidney cells from pediatric patients diagnosed with NS-IgAN by renal biopsy. Consistently, the proportion of intermediate monocytes (IMs) in NS-IgAN patients was higher than in healthy controls. Furthermore, flow cytometry confirmed that IMs were significantly increased in pediatric patients with NS. The characteristic expression of VSIG4 and MHC class II molecules and an increase in oxidative phosphorylation may be important features of IMs in NS-IgAN. Notably, we found that the expression level of CCR2 was significantly increased in the CMs, IMs, and NCMs of patients with NS-IgAN. This may be related to kidney injury. Regulatory T cells (Tregs) are classified into two subsets of cells: Treg1 (CCR7high, TCF7high, and HLA-DRlow) and Treg2 (CCR7low, TCF7low, and HLA-DRhigh). We found that the levels of Treg2 cells expressed significant levels of CCR4 and GATA3, which may be related to the recovery of kidney injury. The state of NS in patients was closely related to podocyte injury. The expression levels of CCL2, PRSS23, and genes related to epithelial-mesenchymal transition were significantly increased in podocytes from NS-IgAN patients. These represent key features of podocyte injury. Our analysis suggests that PTGDS is significantly downregulated following injury and may represent a new marker for podocytes. In this study, we systematically analyzed molecular events in the circulatory system and kidney tissue of pediatric patients with NS-IgAN, which provides new insights for targeted therapy in the future.
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spelling doaj.art-d5503b70c6594198a04226abbd6a84282023-10-16T06:55:59ZengFrontiers Media S.A.Frontiers in Immunology1664-32242023-10-011410.3389/fimmu.2023.12319371231937Cell-type-specific molecular characterization of cells from circulation and kidney in IgA nephropathy with nephrotic syndromeQilin Chen0Qilin Chen1Qilin Chen2Huimin Jiang3Huimin Jiang4Huimin Jiang5Rong Ding6Jinjie Zhong7Jinjie Zhong8Jinjie Zhong9Longfei Li10Junli Wan11Junli Wan12Xiaoqian Feng13Xiaoqian Feng14Xiaoqian Feng15Liping Peng16Liping Peng17Liping Peng18Xia Yang19Xia Yang20Xia Yang21Han Chen22Han Chen23Anshuo Wang24Anshuo Wang25Jia Jiao26Jia Jiao27Qin Yang28Qin Yang29Xuelan Chen30Xuelan Chen31Xiaoqin Li32Xiaoqin Li33Lin Shi34Lin Shi35Gaofu Zhang36Gaofu Zhang37Mo Wang38Mo Wang39Haiping Yang40Haiping Yang41Qiu Li42Qiu Li43Qiu Li44Department of Nephrology, Children’s Hospital of Chongqing Medical University, Chongqing, ChinaNational Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, ChinaChongqing Key Laboratory of Pediatrics, Chongqing, ChinaDepartment of Nephrology, Children’s Hospital of Chongqing Medical University, Chongqing, ChinaNational Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, ChinaChongqing Key Laboratory of Pediatrics, Chongqing, ChinaNanjing Jiangbei New Area Biopharmaceutical Public Service Platform Co. Ltd, Nanjing, Jiangsu, ChinaDepartment of Nephrology, Children’s Hospital of Chongqing Medical University, Chongqing, ChinaNational Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, ChinaChongqing Key Laboratory of Pediatrics, Chongqing, ChinaNanjing Jiangbei New Area Biopharmaceutical Public Service Platform Co. Ltd, Nanjing, Jiangsu, ChinaDepartment of Nephrology, Children’s Hospital of Chongqing Medical University, Chongqing, ChinaNational Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, ChinaDepartment of Nephrology, Children’s Hospital of Chongqing Medical University, Chongqing, ChinaNational Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, ChinaChongqing Key Laboratory of Pediatrics, Chongqing, ChinaDepartment of Nephrology, Children’s Hospital of Chongqing Medical University, Chongqing, ChinaNational Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, ChinaChongqing Key Laboratory of Pediatrics, Chongqing, ChinaDepartment of Nephrology, Children’s Hospital of Chongqing Medical University, Chongqing, ChinaNational Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, ChinaChongqing Key Laboratory of Pediatrics, Chongqing, ChinaDepartment of Nephrology, Children’s Hospital of Chongqing Medical University, Chongqing, ChinaNational Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, ChinaDepartment of Nephrology, Children’s Hospital of Chongqing Medical University, Chongqing, ChinaNational Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, ChinaDepartment of Nephrology, Children’s Hospital of Chongqing Medical University, Chongqing, ChinaNational Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, ChinaDepartment of Nephrology, Children’s Hospital of Chongqing Medical University, Chongqing, ChinaNational Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, ChinaDepartment of Nephrology, Children’s Hospital of Chongqing Medical University, Chongqing, ChinaNational Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, ChinaDepartment of Nephrology, Children’s Hospital of Chongqing Medical University, Chongqing, ChinaNational Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, ChinaDepartment of Nephrology, Children’s Hospital of Chongqing Medical University, Chongqing, ChinaNational Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, ChinaDepartment of Nephrology, Children’s Hospital of Chongqing Medical University, Chongqing, ChinaNational Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, ChinaDepartment of Nephrology, Children’s Hospital of Chongqing Medical University, Chongqing, ChinaNational Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, ChinaDepartment of Nephrology, Children’s Hospital of Chongqing Medical University, Chongqing, ChinaNational Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, ChinaDepartment of Nephrology, Children’s Hospital of Chongqing Medical University, Chongqing, ChinaNational Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, ChinaChongqing Key Laboratory of Pediatrics, Chongqing, ChinaNephrotic syndrome (NS) is a relatively rare and serious presentation of IgA nephropathy (IgAN) (NS-IgAN). Previous research has suggested that the pathogenesis of NS-IgAN may involve circulating immune imbalance and kidney injury; however, this has yet to be fully elucidated. To investigate the cellular and molecular status of NS-IgAN, we performed single-cell RNA sequencing (scRNA-seq) of peripheral blood mononuclear cells (PBMCs) and kidney cells from pediatric patients diagnosed with NS-IgAN by renal biopsy. Consistently, the proportion of intermediate monocytes (IMs) in NS-IgAN patients was higher than in healthy controls. Furthermore, flow cytometry confirmed that IMs were significantly increased in pediatric patients with NS. The characteristic expression of VSIG4 and MHC class II molecules and an increase in oxidative phosphorylation may be important features of IMs in NS-IgAN. Notably, we found that the expression level of CCR2 was significantly increased in the CMs, IMs, and NCMs of patients with NS-IgAN. This may be related to kidney injury. Regulatory T cells (Tregs) are classified into two subsets of cells: Treg1 (CCR7high, TCF7high, and HLA-DRlow) and Treg2 (CCR7low, TCF7low, and HLA-DRhigh). We found that the levels of Treg2 cells expressed significant levels of CCR4 and GATA3, which may be related to the recovery of kidney injury. The state of NS in patients was closely related to podocyte injury. The expression levels of CCL2, PRSS23, and genes related to epithelial-mesenchymal transition were significantly increased in podocytes from NS-IgAN patients. These represent key features of podocyte injury. Our analysis suggests that PTGDS is significantly downregulated following injury and may represent a new marker for podocytes. In this study, we systematically analyzed molecular events in the circulatory system and kidney tissue of pediatric patients with NS-IgAN, which provides new insights for targeted therapy in the future.https://www.frontiersin.org/articles/10.3389/fimmu.2023.1231937/fullIgA nephropathynephrotic syndromesingle-cell RNA sequencingperipheral blood mononuclear cellspodocyte
spellingShingle Qilin Chen
Qilin Chen
Qilin Chen
Huimin Jiang
Huimin Jiang
Huimin Jiang
Rong Ding
Jinjie Zhong
Jinjie Zhong
Jinjie Zhong
Longfei Li
Junli Wan
Junli Wan
Xiaoqian Feng
Xiaoqian Feng
Xiaoqian Feng
Liping Peng
Liping Peng
Liping Peng
Xia Yang
Xia Yang
Xia Yang
Han Chen
Han Chen
Anshuo Wang
Anshuo Wang
Jia Jiao
Jia Jiao
Qin Yang
Qin Yang
Xuelan Chen
Xuelan Chen
Xiaoqin Li
Xiaoqin Li
Lin Shi
Lin Shi
Gaofu Zhang
Gaofu Zhang
Mo Wang
Mo Wang
Haiping Yang
Haiping Yang
Qiu Li
Qiu Li
Qiu Li
Cell-type-specific molecular characterization of cells from circulation and kidney in IgA nephropathy with nephrotic syndrome
Frontiers in Immunology
IgA nephropathy
nephrotic syndrome
single-cell RNA sequencing
peripheral blood mononuclear cells
podocyte
title Cell-type-specific molecular characterization of cells from circulation and kidney in IgA nephropathy with nephrotic syndrome
title_full Cell-type-specific molecular characterization of cells from circulation and kidney in IgA nephropathy with nephrotic syndrome
title_fullStr Cell-type-specific molecular characterization of cells from circulation and kidney in IgA nephropathy with nephrotic syndrome
title_full_unstemmed Cell-type-specific molecular characterization of cells from circulation and kidney in IgA nephropathy with nephrotic syndrome
title_short Cell-type-specific molecular characterization of cells from circulation and kidney in IgA nephropathy with nephrotic syndrome
title_sort cell type specific molecular characterization of cells from circulation and kidney in iga nephropathy with nephrotic syndrome
topic IgA nephropathy
nephrotic syndrome
single-cell RNA sequencing
peripheral blood mononuclear cells
podocyte
url https://www.frontiersin.org/articles/10.3389/fimmu.2023.1231937/full
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