Volume 25, Issue 2 pp. 191-200

De novo membranous nephropathy and antibody-mediated rejection in transplanted kidney

Kazuho Honda

Kazuho Honda

Department of Pathology, Tokyo Women’s Medical University, Tokyo

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Shigeru Horita

Shigeru Horita

Department of Pathology, Tokyo Women’s Medical University, Tokyo

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Daisuke Toki

Daisuke Toki

Departments of Urology

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Sekiko Taneda

Sekiko Taneda

Department of Pathology, Tokyo Women’s Medical University, Tokyo

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Kosaku NittaMotoshi Hattori

Motoshi Hattori

Pediatric Nephrology

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Kazunari Tanabe

Kazunari Tanabe

Departments of Urology

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Satoshi Teraoka

Satoshi Teraoka

Surgery, Kidney Center, Tokyo Women’s Medical University, Tokyo

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Hideaki Oda

Hideaki Oda

Department of Pathology, Tokyo Women’s Medical University, Tokyo

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Yutaka Yamaguchi

Yutaka Yamaguchi

Department of Pathology, Kashiwa Hospital, Jikei University School of Medicine, Chiba, Japan

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First published: 03 April 2011
Citations: 47
Corresponding author: Kazuho Honda, Department of Pathology, Tokyo Women’s Medical University, 8-1 Kawada-cho, Shinjuku-ku, Tokyo 162-8666, Japan.
Tel.: +81 3 3353 8111 ext. 22342; fax: +81 3 5269 7473;
e-mail: [email protected]

Abstract

Honda K, Horita S, Toki D, Taneda S, Nitta K, Hattori M, Tanabe K, Teraoka S, Oda H, Yamaguchi Y. De novo membranous nephropathy and antibody-mediated rejection in transplanted kidney.
Clin Transplant 2011: 25: 191–200. © 2010 John Wiley & Sons A/S.

Abstract: Background: The etiology of de novo membranous nephropathy (MN) after kidney transplantation is still uncertain. Immunological response to various allograft antigens is speculated to be a candidate for the etiology.

Methods: Seventeen patients with post-transplant de novo MN were studied clinically and pathologically in comparison with control post-transplant patients without MN. Double immunofluorescent staining was performed to identify the presence of donor-specific human leukocyte antigen (HLA) combined with IgG in the deposits on glomerular capillary walls.

Results: De novo MN occurs in relatively late period after transplantation (102.1 ± 68.3 months), presenting various degree of proteinuria. Histological findings associated with antibody-mediated rejection (AMR), such as peritubular capillaritis and C4d deposition in peritubular capillary, were more frequently observed in the patients with de novo MN than the non-MN control patients. Donor-specific antibody (DSA) was detected in five patients at the time of biopsy. In one case of de novo MN with DSA, a donor-derived HLA was identified in the subepithelial deposits on the glomerular capillary walls combined with IgG deposition.

Conclusions: DSA and AMR might play some roles for the pathogenesis in some patients with de novo MN after kidney transplantation.

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