Related Experiment Video

Updated: May 23, 2026

Mechanism of Kemeng Fang's Inhibition of Podocyte Apoptosis in Rats with Membranous Nephropathy through the PI3K/AKT Signaling Pathway
07:15

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

Published on: August 23, 2024

Recent advances and prognosis in idiopathic membranous nephropathy

Paul E Segal1, Michael J Choi

  • 1Division of Nephrology, Johns Hopkins University School of Medicine,Johns Hopkins Bayview Medical Center, Baltimore, MD 21224, USA. psegal2@jhmi.edu

Advances in Chronic Kidney Disease
|March 28, 2012
PubMed

Insights

Idiopathic membranous nephropathy (MN) is a common cause of nephrotic syndrome. Detecting M-type phospholipase A2 receptor (PLA2R) antibodies aids in diagnosing primary MN and monitoring treatment effectiveness.

Area of Science:

  • Nephrology
  • Immunology

Background:

  • Idiopathic membranous nephropathy (MN) is a leading cause of nephrotic syndrome in adults.
  • Recent research has identified M-type phospholipase A2 receptor (PLA2R) antibodies in most adult idiopathic MN patients.
  • These antibodies are found in both serum and glomerular immune deposits.

Purpose of the Study:

  • To explore the diagnostic and prognostic significance of M-type PLA2R antibodies in idiopathic MN.
  • To evaluate the potential of PLA2R antibody levels for monitoring disease activity and therapeutic response.

Main Methods:

  • Detection of M-type PLA2R antibodies in serum.
  • Analysis of immune complexes in glomeruli.
  • Correlation of antibody levels with proteinuria and renal function.

Main Results:

  • PLA2R antibodies are present in the majority of adult idiopathic MN cases.
  • Circulating PLA2R antibody levels may predict disease activity and response to therapy, potentially preceding changes in proteinuria.
  • Renal dysfunction and persistent proteinuria are critical prognostic indicators for treatment decisions.

Conclusions:

  • M-type PLA2R antibody detection can help differentiate primary MN from secondary causes, guiding immunosuppressive therapy.
  • Monitoring PLA2R antibody levels offers a valuable tool for assessing disease activity and treatment efficacy in idiopathic MN.
  • While spontaneous remissions occur, understanding prognostic factors is crucial for managing idiopathic MN.

Related Concept Videos

Nephrotic Syndrome I : Introduction01:24

Nephrotic Syndrome I : Introduction

Nephrotic Syndrome is a chronic kidney disorder defined by clinical findings such as severe proteinuria, hypoalbuminemia, hyperlipidemia, and edema. These symptoms result from damage to the glomeruli, the kidney’s filtering units, increasing their permeability to proteins.Definition and Meaning:Proteinuria, defined as the loss of more than 3.5 grams of protein per day in adults, is a crucial feature of nephrotic syndrome. This condition is often accompanied by edema, the accumulation of fluid...
Nephrotic Syndrome II : Assessment and Medical Management01:26

Nephrotic Syndrome II : Assessment and Medical Management

IntroductionNephrotic syndrome is a kidney disorder marked by excessive protein loss in the urine, leading to various systemic complications. This condition often results from damage to the glomeruli—the kidney's filtering units—causing proteinuria, low blood protein levels, and fluid retention. Understanding the assessment, diagnosis, and management of nephrotic syndrome is essential for effective treatment and prevention of further kidney damage.AssessmentPatient History: Document any history...
Nephrotic Syndrome III : Nursing Management01:24

Nephrotic Syndrome III : Nursing Management

Nursing management for nephrotic syndrome adapts as the disease progresses, with strategies evolving to address advancing symptoms and complications.Early-Stage Management In the early stages, nursing interventions for nephrotic syndrome resemble those used in managing acute glomerulonephritis, focusing on symptom monitoring, fluid balance, and managing mild to moderate edema.Vital Signs: Regularly monitor blood pressure, pulse, respiratory rate, and temperature to promptly identify...
Diabetic Nephropathy01:28

Diabetic Nephropathy

Definition Diabetic nephropathy is a chronic kidney complication that results from prolonged hyperglycemia.Prevalence It is the most common cause of chronic kidney disease (CKD) and end-stage renal disease (ESRD) worldwide, affecting up to half of individuals with diabetes.Pathophysiology • Sustained hyperglycemia triggers multiple hemodynamic and metabolic changes in the kidney. • Early in the disease, increased renal blood flow and glomerular hyperfiltration occur due to afferent arteriolar...
Acute Pyelonephritis II: Diagnostic Studies and Management01:28

Acute Pyelonephritis II: Diagnostic Studies and Management

Introduction:For diagnosing acute pyelonephritis, a comprehensive patient history is collected to identify symptoms such as dysuria, frequent or urgent urination, flank pain, or costovertebral angle (CVA) tenderness that may suggest a kidney infection.Physical ExaminationDuring the physical examination, CVA tenderness is assessed. This involves gentle percussion over the costovertebral angle, where tenderness often indicates a kidney infection.Diagnostic TestsUrinalysis: Used to identify white...
Acute Kidney Injury IV: Diagnostic Studies and Prevention01:30

Acute Kidney Injury IV: Diagnostic Studies and Prevention

Accurate diagnosis and effective prevention are critical in managing Acute Kidney Injury (AKI), which is linked to high mortality rates ranging from 10% to 80%. Timely recognition of at-risk patients and careful monitoring can significantly reduce the likelihood of kidney damage.Diagnostic Assessments:The diagnostic process starts with a comprehensive medical history to identify prerenal, intrarenal, and postrenal causes.Prerenal causes, such as dehydration, hypotension, or blood loss, should...