Prognostic value of serum complement cleavage factor Bb in idiopathic membranous nephropathy and establishment of nomogram model

Abstract Complement activation is involved in idiopathic membranous nephropathy (IMN). We aimed to investigate the relationship of serum complement cleavage factor Bb with IMN progression, and to establish a model for early prediction of kidney outcomes. We measured serum factor Bb in a retrospectiv...

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Main Authors: Lu Wen, Qianqian Li, Genyang Cheng, Yuan Zhang, Zhanzheng Zhao
Format: Article
Language:English
Published: Nature Portfolio 2024-11-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-024-78325-2
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author Lu Wen
Qianqian Li
Genyang Cheng
Yuan Zhang
Zhanzheng Zhao
author_facet Lu Wen
Qianqian Li
Genyang Cheng
Yuan Zhang
Zhanzheng Zhao
author_sort Lu Wen
collection DOAJ
description Abstract Complement activation is involved in idiopathic membranous nephropathy (IMN). We aimed to investigate the relationship of serum complement cleavage factor Bb with IMN progression, and to establish a model for early prediction of kidney outcomes. We measured serum factor Bb in a retrospective cohort of 449 IMN patients at the time of kidney biopsy. Cox regression analysis showed that higher levels of serum factor Bb were independently associated with IMN progression event defined as end-stage renal disease or ≥ 40% decline in estimated glomerular filtration rate. Patients in the middle and highest tertiles of serum factor Bb had respectively 2.1-, and 2.6-fold higher risk for disease progression compared with those in the lowest tertile. We developed an optimized prognostic nomogram model incorporating age, log serum anti-PLA2R antibody, log serum Bb, proteinuria and tubular atrophy/interstitial fibrosis. The model demonstrated good predictive ability with a concordance index of 0.77 (bootstrap-corrected of 0.76) for predicting 3-, and 5-year kidney survival. Calibration curves and decision curve analysis confirmed the model’s good calibration and clinical utility. Our findings suggest that serum factor Bb may serve as an essential prognostic indicator of IMN. The novel nomogram model may offer important guidance on the management of this patient population.
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spelling doaj-art-1d2cf05ca3bc44f6a8ba5fe9b56688ee2024-11-10T12:20:52ZengNature PortfolioScientific Reports2045-23222024-11-0114111010.1038/s41598-024-78325-2Prognostic value of serum complement cleavage factor Bb in idiopathic membranous nephropathy and establishment of nomogram modelLu Wen0Qianqian Li1Genyang Cheng2Yuan Zhang3Zhanzheng Zhao4Department of Nephrology, The First Affiliated Hospital of Zhengzhou UniversityDepartment of Nephrology, The First Affiliated Hospital of Zhengzhou UniversityDepartment of Nephrology, The First Affiliated Hospital of Zhengzhou UniversitySchool of Physics and Laboratory of Zhongyuan Light, Zhengzhou UniversityDepartment of Nephrology, The First Affiliated Hospital of Zhengzhou UniversityAbstract Complement activation is involved in idiopathic membranous nephropathy (IMN). We aimed to investigate the relationship of serum complement cleavage factor Bb with IMN progression, and to establish a model for early prediction of kidney outcomes. We measured serum factor Bb in a retrospective cohort of 449 IMN patients at the time of kidney biopsy. Cox regression analysis showed that higher levels of serum factor Bb were independently associated with IMN progression event defined as end-stage renal disease or ≥ 40% decline in estimated glomerular filtration rate. Patients in the middle and highest tertiles of serum factor Bb had respectively 2.1-, and 2.6-fold higher risk for disease progression compared with those in the lowest tertile. We developed an optimized prognostic nomogram model incorporating age, log serum anti-PLA2R antibody, log serum Bb, proteinuria and tubular atrophy/interstitial fibrosis. The model demonstrated good predictive ability with a concordance index of 0.77 (bootstrap-corrected of 0.76) for predicting 3-, and 5-year kidney survival. Calibration curves and decision curve analysis confirmed the model’s good calibration and clinical utility. Our findings suggest that serum factor Bb may serve as an essential prognostic indicator of IMN. The novel nomogram model may offer important guidance on the management of this patient population.https://doi.org/10.1038/s41598-024-78325-2
spellingShingle Lu Wen
Qianqian Li
Genyang Cheng
Yuan Zhang
Zhanzheng Zhao
Prognostic value of serum complement cleavage factor Bb in idiopathic membranous nephropathy and establishment of nomogram model
Scientific Reports
title Prognostic value of serum complement cleavage factor Bb in idiopathic membranous nephropathy and establishment of nomogram model
title_full Prognostic value of serum complement cleavage factor Bb in idiopathic membranous nephropathy and establishment of nomogram model
title_fullStr Prognostic value of serum complement cleavage factor Bb in idiopathic membranous nephropathy and establishment of nomogram model
title_full_unstemmed Prognostic value of serum complement cleavage factor Bb in idiopathic membranous nephropathy and establishment of nomogram model
title_short Prognostic value of serum complement cleavage factor Bb in idiopathic membranous nephropathy and establishment of nomogram model
title_sort prognostic value of serum complement cleavage factor bb in idiopathic membranous nephropathy and establishment of nomogram model
url https://doi.org/10.1038/s41598-024-78325-2
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