J Nephropathol. 2018;7(1): 11-14.
doi: 10.15171/jnp.2018.04

Scopus ID: 85041106554
  Abstract View: 2892
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Phospholipase A2 receptor (PLA2R) related membranous nephropathy - not specific for idiopathic cases any more

Bahar Bastani*

1 Department of Internal Medicine-Nephrology, Saint Louis University School of Medicine, Saint Louis, Missouri, USA
*Corresponding Author: *Corresponding author: Bahar Bastani, , Email: Bahar.Bastani@health.slu.edu


Context: Membranous nephropathy is among the most common causes of nephrotic syndrome in adults.

Evidence Acquisitions: PubMed, EBSCO, Web of Science, directory of open access journals (DOAJ), EMBASE, and Google Scholar with keywords of phospholipase A2 receptor, PLA2R, membranous nephropathy, nephrotic syndrome, idiopathic nephrotic syndrome and glomerulonephritis have been searched.

Results: The recent finding that around 70%-80% of the idiopathic cases of membranous nephropathy express Phospholipase A2 receptor (PLA2R) in their kidney biopsies and antiPLA2R antibody in their serum was initially considered specific to the idiopathic cases. However, more recent studies have shown that while PLA2R glycoprotein expression, and anti-PLA2R antibodies, are specific to membranous nephropathy and are not seen in other glomerulonephritides, they can be as frequently expressed in certain secondary forms of membranous nephropathy.

Conclusions: In this communication we intend to briefly review the new data regarding tissue and sero-positivity for PLA2R in different types of secondary membranous nephropathy, as well as pathologic and immunofluorescence features of them as compared to the idiopathic cases.

Implication for health policy/practice/research/medical education:

To clarify the value of checking PLA2R serology and tissue staining in cases of membranous nephropathy, and its lack of specificity in distinguishing idiopathic versus some secondary cases.

Please cite this paper as: Bastani B. Phospholipase A2 receptor (PLA2R) related membranous nephropathy - not specific for idiopathic cases any more. J Nephropathol. 2018;7(1):11-14. DOI: 10.15171/jnp.2018.04.

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Submitted: 13 Sep 2017
Accepted: 14 Nov 2017
ePublished: 22 Nov 2017
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