A Case of Concurrent MPO-/PR3-Negative ANCA-Associated Glomerulonephritis and Membranous Glomerulopathy

We report a case in which antineutrophil cytoplasmic antibody- (ANCA-) associated glomerulonephritis and membranous glomerulopathy (MGN) were detected concurrently. The patient showed rapidly progressive renal deterioration. A renal biopsy showed crescentic glomerulonephritis, together with marked t...

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Main Authors: Yasuyuki Nakada, Nobuo Tsuboi, Yasuto Takahashi, Hiraku Yoshida, Yoriko Hara, Hideo Okonogi, Tetsuya Kawamura, Yoshihiro Arimura, Takashi Yokoo
Format: Article
Language:English
Published: Wiley 2015-01-01
Series:Case Reports in Nephrology
Online Access:http://dx.doi.org/10.1155/2015/316863
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author Yasuyuki Nakada
Nobuo Tsuboi
Yasuto Takahashi
Hiraku Yoshida
Yoriko Hara
Hideo Okonogi
Tetsuya Kawamura
Yoshihiro Arimura
Takashi Yokoo
author_facet Yasuyuki Nakada
Nobuo Tsuboi
Yasuto Takahashi
Hiraku Yoshida
Yoriko Hara
Hideo Okonogi
Tetsuya Kawamura
Yoshihiro Arimura
Takashi Yokoo
author_sort Yasuyuki Nakada
collection DOAJ
description We report a case in which antineutrophil cytoplasmic antibody- (ANCA-) associated glomerulonephritis and membranous glomerulopathy (MGN) were detected concurrently. The patient showed rapidly progressive renal deterioration. A renal biopsy showed crescentic glomerulonephritis, together with marked thickening and spike and bubbling formations in the glomerular basement membranes. Indirect immunofluorescence examination of the patient’s neutrophils showed a perinuclear pattern. Enzyme-linked immunosorbent assays revealed that the ANCA in this case did not target myeloperoxidase (MPO) or proteinase 3 (PR3) but bactericidal-/permeability-increasing protein, elastase, and lysosome. The relationship between these two etiologically distinct entities, MPO-/PR3-negative ANCA-associated glomerulonephritis and MGN, remains unclear.
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institution Kabale University
issn 2090-6641
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language English
publishDate 2015-01-01
publisher Wiley
record_format Article
series Case Reports in Nephrology
spelling doaj-art-f4bdf80591da48d3b72c5605e1f1c6b92025-02-03T05:47:44ZengWileyCase Reports in Nephrology2090-66412090-665X2015-01-01201510.1155/2015/316863316863A Case of Concurrent MPO-/PR3-Negative ANCA-Associated Glomerulonephritis and Membranous GlomerulopathyYasuyuki Nakada0Nobuo Tsuboi1Yasuto Takahashi2Hiraku Yoshida3Yoriko Hara4Hideo Okonogi5Tetsuya Kawamura6Yoshihiro Arimura7Takashi Yokoo8Division of Nephrology and Hypertension, Department of Internal Medicine, The Jikei University School of Medicine, 3-25-8 Nishi-Shinbashi, Minato-ku, Tokyo 105-8461, JapanDivision of Nephrology and Hypertension, Department of Internal Medicine, The Jikei University School of Medicine, 3-25-8 Nishi-Shinbashi, Minato-ku, Tokyo 105-8461, JapanDivision of Nephrology and Hypertension, Department of Internal Medicine, The Jikei University School of Medicine, 3-25-8 Nishi-Shinbashi, Minato-ku, Tokyo 105-8461, JapanDivision of Nephrology and Hypertension, Department of Internal Medicine, The Jikei University School of Medicine, 3-25-8 Nishi-Shinbashi, Minato-ku, Tokyo 105-8461, JapanDivision of Nephrology and Hypertension, Department of Internal Medicine, The Jikei University School of Medicine, 3-25-8 Nishi-Shinbashi, Minato-ku, Tokyo 105-8461, JapanDivision of Nephrology and Hypertension, Department of Internal Medicine, The Jikei University School of Medicine, 3-25-8 Nishi-Shinbashi, Minato-ku, Tokyo 105-8461, JapanDivision of Nephrology and Hypertension, Department of Internal Medicine, The Jikei University School of Medicine, 3-25-8 Nishi-Shinbashi, Minato-ku, Tokyo 105-8461, JapanDepartment of Internal Medicine, Kyorin University School of Medicine, Tokyo, JapanDivision of Nephrology and Hypertension, Department of Internal Medicine, The Jikei University School of Medicine, 3-25-8 Nishi-Shinbashi, Minato-ku, Tokyo 105-8461, JapanWe report a case in which antineutrophil cytoplasmic antibody- (ANCA-) associated glomerulonephritis and membranous glomerulopathy (MGN) were detected concurrently. The patient showed rapidly progressive renal deterioration. A renal biopsy showed crescentic glomerulonephritis, together with marked thickening and spike and bubbling formations in the glomerular basement membranes. Indirect immunofluorescence examination of the patient’s neutrophils showed a perinuclear pattern. Enzyme-linked immunosorbent assays revealed that the ANCA in this case did not target myeloperoxidase (MPO) or proteinase 3 (PR3) but bactericidal-/permeability-increasing protein, elastase, and lysosome. The relationship between these two etiologically distinct entities, MPO-/PR3-negative ANCA-associated glomerulonephritis and MGN, remains unclear.http://dx.doi.org/10.1155/2015/316863
spellingShingle Yasuyuki Nakada
Nobuo Tsuboi
Yasuto Takahashi
Hiraku Yoshida
Yoriko Hara
Hideo Okonogi
Tetsuya Kawamura
Yoshihiro Arimura
Takashi Yokoo
A Case of Concurrent MPO-/PR3-Negative ANCA-Associated Glomerulonephritis and Membranous Glomerulopathy
Case Reports in Nephrology
title A Case of Concurrent MPO-/PR3-Negative ANCA-Associated Glomerulonephritis and Membranous Glomerulopathy
title_full A Case of Concurrent MPO-/PR3-Negative ANCA-Associated Glomerulonephritis and Membranous Glomerulopathy
title_fullStr A Case of Concurrent MPO-/PR3-Negative ANCA-Associated Glomerulonephritis and Membranous Glomerulopathy
title_full_unstemmed A Case of Concurrent MPO-/PR3-Negative ANCA-Associated Glomerulonephritis and Membranous Glomerulopathy
title_short A Case of Concurrent MPO-/PR3-Negative ANCA-Associated Glomerulonephritis and Membranous Glomerulopathy
title_sort case of concurrent mpo pr3 negative anca associated glomerulonephritis and membranous glomerulopathy
url http://dx.doi.org/10.1155/2015/316863
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