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Amyloid fibrils are aggregates of misfolded proteins.  Under most circumstances, misfolded proteins are either refolded by chaperone proteins or degraded by the proteasome. However, in the case of a mutation or a disease, these proteins can accumulate to form large clusters and often further assemble to form elongated fibers, called fibrils. 
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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...
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Rapid Generation of Amyloid from Native Proteins In vitro
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Renal AA Amyloidosis.

Jie Tang1

  • 1Division of Kidney Diseases and Hypertension, Alpert Medical School of Brown University, Providence, RI.

Rhode Island Medical Journal (2013)
|September 26, 2025
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Summary
This summary is machine-generated.

AA amyloidosis involves kidney dysfunction due to protein buildup. Effective treatment of underlying inflammation is key for managing this rare systemic condition and improving patient prognosis.

Keywords:
Amyloidosischronic inflammationserum amyloid A

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Area of Science:

  • Nephrology
  • Pathology
  • Systemic Diseases

Background:

  • Amyloidosis is a rare systemic disease characterized by extracellular deposition of misfolded proteins.
  • These deposits lead to progressive organ dysfunction, with the kidney being a frequent target.
  • Renal involvement in amyloidosis presents with diverse clinical manifestations.

Purpose of the Study:

  • To provide a comprehensive review of renal AA amyloidosis.
  • To discuss the pathophysiology, clinical presentation, diagnostic approaches, and management strategies.
  • To highlight the current limitations in treatment and the importance of controlling underlying inflammation.

Main Methods:

  • Literature review focusing on pathophysiology, clinical aspects, diagnosis, and management of renal AA amyloidosis.
  • Synthesis of current knowledge on amyloid deposition in the kidney.
  • Analysis of treatment options and prognostic factors.

Main Results:

  • Renal AA amyloidosis results from extracellular deposition of misfolded fibrillary proteins.
  • Clinical presentation of kidney involvement is variable.
  • Despite advances in understanding and diagnosis, therapeutic options are limited.

Conclusions:

  • The prognosis of renal AA amyloidosis is closely linked to the effective control of the underlying inflammatory condition.
  • Further research is needed to develop more effective treatment strategies.
  • Early diagnosis and management of inflammation are crucial for patients with renal AA amyloidosis.