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Methods for Detecting Cytotoxic Amyloids Following Infection of Pulmonary Endothelial Cells by Pseudomonas aeruginosa

Methods for Detecting Cytotoxic Amyloids Following Infection of Pulmonary Endothelial Cells by Pseudomonas aeruginosa

Published on: July 12, 2018

Cutaneous amyloidoses and systemic amyloidoses with cutaneous involvement.

Stephan Schreml¹, Rolf-Markus Szeimies, Thomas Vogt

¹Department of Dermatology, University Hospital Regensburg, Franz-Josef-Strauss-Allee 11, 93053 Regensburg, Germany. stephan.schreml@klinik.uni-regensburg.de

European Journal of Dermatology : EJD

|January 15, 2010

Summary

Cutaneous amyloidoses involve extracellular amyloid protein deposits in the skin. Diagnosis relies on clinical presentation, histology, and biochemical methods to understand this heterogeneous disease.

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Published on: October 20, 2017

Area of Science:

Dermatology
Pathology
Biochemistry

Background:

Cutaneous amyloidoses are characterized by extracellular deposition of amyloid protein in the dermis.
Amyloidosis can be acquired or hereditary, classified as primary (idiopathic) or secondary (associated with other diseases).
Over 26 amyloid precursor proteins are identified, contributing to the classification of this heterogeneous disease group.

Purpose of the Study:

To summarize the key aspects of cutaneous amyloidoses.
To highlight the diagnostic approaches for amyloidosis.

Main Methods:

Review of existing literature on amyloidosis.
Description of amyloid protein structure and formation.
Discussion of diagnostic tools including clinical presentation, histology, electron microscopy, and biochemical-immunological differentiation.

Main Results:

Amyloid proteins exhibit an anti-parallel beta-sheet conformation, forming non-branching filaments (7.5-10 nm diameter).
The precise etiopathogenesis of amyloid formation remains incompletely understood.
Amyloid deposition can lead to progressive and life-threatening organ dysfunction.

Conclusions:

Accurate diagnosis of amyloidosis is crucial for patient management.
A combination of clinical, histological, and biochemical methods is essential for diagnosis.