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Updated: Jul 4, 2026

Analyses of Proteinuria, Renal Infiltration of Leukocytes, and Renal Deposition of Proteins in Lupus-prone MRL/lpr Mice
Published on: June 8, 2022
Pauci-immune and immune glomerular lesions in kidney transplants for systemic lupus erythematosus
Shane M Meehan1, Anthony Chang, Amandeep Khurana
1Department of Pathology, Section of Nephrology, University of Chicago, Chicago, Illinois 60637, USA. shane.meehan@uchospitals.edu
Background And Objectives:
Glomerular lesions in allografts in recipients with end-stage nephritis resulting from systemic lupus erythematosus (SLE) were examined to determine the spectrum of glomerular pathology in recurrent glomerulonephritis (GN).
Design, Setting, Participants, & Measurements:
A total of 156 biopsy samples, from 49 serial allografts in 43 recipients with end-stage lupus nephritis, were examined by light microscopy, and by immunofluorescence and electron microscopy in selected cases. These were compared with control allografts (n = 35).
Results:
Glomerular lesions best explained by recurrent lupus nephritis were observed in 19 of 49 allografts (38.8%) in lupus recipients. Three categories of glomerulopathies were identified: 1) immune complex glomerulopathies, including mesangial GN (28%) and membranous GN (4%); 2) atypical glomerulopathies, including acute proliferative GN (32%) and focal segmental glomerulosclerosis (12%), with scant immune deposits in glomerular capillaries, frequent endothelial tubuloreticular inclusions, and thrombotic microangiopathy; and 3) transplant-associated glomerulopathies (24%).
Conclusions:
Allografts from recipients with SLE had typical immune complex-mediated GN and atypical pauci-immune, proliferative GN and segmental glomerular sclerosis. Atypical glomerulopathies like these suggest a role for nonimmune complex-mediated glomerular injury in recurrent lupus GN.
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