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Mechanism of Kemeng Fang's Inhibition of Podocyte Apoptosis in Rats with Membranous Nephropathy through the PI3K/AKT Signaling Pathway
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Membranous nephropathy

Pierre Ronco1,2, Laurence Beck3, Hanna Debiec4

  • 1Sorbonne Université, and Institut National de la Santé et de la Recherche Médicale, Unité Mixte de Recherche, S1155, Paris, France. pierreronco@yahoo.fr.

Nature Reviews. Disease Primers
|October 1, 2021
PubMed

Insights

Membranous nephropathy (MN) is an autoimmune kidney disease. New treatments targeting phospholipase A2 receptor (PLA2R) offer improved outcomes, but relapses and risks necessitate ongoing research for better therapies.

Area of Science:

  • Nephrology
  • Immunology
  • Autoimmune Diseases

Background:

  • Membranous nephropathy (MN) is a leading cause of nephrotic syndrome in adults.
  • Primary MN accounts for ~80% of cases, while secondary MN is linked to infections, malignancies, or medications.
  • MN is characterized by immune complex deposition in glomerular capillary walls, indicating an autoimmune basis.

Purpose of the Study:

  • To review the current understanding of membranous nephropathy (MN).
  • To discuss the diagnostic paradigm shift following the identification of phospholipase A2 receptor (PLA2R) as a key antigen.
  • To summarize current and emerging therapeutic strategies for MN.

Main Methods:

  • Review of existing literature on membranous nephropathy.
  • Analysis of diagnostic advancements, particularly antigen identification (e.g., PLA2R).
  • Evaluation of therapeutic outcomes for immunosuppressive agents and novel treatments.

Main Results:

  • Identification of PLA2R as the primary antigen in adult MN revolutionized diagnosis and monitoring.
  • Immunosuppressive therapy (cyclophosphamide/corticosteroids) reduces progression to kidney failure.
  • Alternative treatments like calcineurin inhibitors and rituximab have limitations such as relapse rates and efficacy in high-antibody patients.

Conclusions:

  • Membranous nephropathy (MN) management has advanced significantly with antigen identification and targeted therapies.
  • While current treatments improve outcomes, challenges like frequent relapses and side effects persist.
  • Ongoing research into novel drugs and antigen-specific immunotherapies holds promise for improved MN patient care.

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