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  • Title: De novo membranous nephropathy associated with donor-specific alloantibody.
    Author: El Kossi M, Harmer A, Goodwin J, Wagner B, Shortland J, Angel C, McKane W.
    Journal: Clin Transplant; 2008; 22(1):124-7. PubMed ID: 18217914.
    Abstract:
    Recent evidence suggests that alloantibody may play an aetiological role in the pathogenesis of membranous glomerulopathy in native kidneys. There is an increased awareness of the significance of alloantibody on renal transplant outcome, particularly with the development of more sensitive assays. We describe a kidney transplant patient who developed de novo membranous glomerulopathy (DNMG) with heavy proteinuria in the context of a donor-specific alloantibody (DSA) directed against HLA DQ7. Proteinuria resolved and kidney function stabilized following treatment with mycophenolate mofetil and an angiotensin receptor blocker. The titre of the DSA fell in parallel with resolution of the proteinuria. This is the first reported case of DNMG after kidney transplantation clearly associated with a DSA. We hypothesize that de novo membranous glomerulopathy may be an atypical manifestation of acute antibody-mediated damage. Cases of DNMG should be screened for alloantibody and the presence of alloantibody may influence the choice of therapy.
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