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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2015-01-01
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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. |
format | Article |
id | doaj-art-f4bdf80591da48d3b72c5605e1f1c6b9 |
institution | Kabale University |
issn | 2090-6641 2090-665X |
language | English |
publishDate | 2015-01-01 |
publisher | Wiley |
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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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