Related Experiment Video

Updated: Aug 11, 2026

Real-time Quaking-induced Conversion Assay for Detection of CWD Prions in Fecal Material
09:50

Real-time Quaking-induced Conversion Assay for Detection of CWD Prions in Fecal Material

Published on: September 29, 2017

Diagnosing prion diseases: needs, challenges and hopes

Claudio Soto1

  • 1Department of Neurology, University of Texas Medical Branch, 301 University Boulevard, Galveston, Texas 77555-0646, USA. clsoto@utmb.edu

Nature Reviews. Microbiology
|September 21, 2004
PubMed

Insights

Prion diseases are caused by infectious proteins called prions that lack nucleic acid. This review covers current and emerging diagnostic techniques for sensitive, early detection of these challenging neurodegenerative diseases.

Area of Science:

  • Neuroscience
  • Infectious Diseases
  • Biochemistry

Background:

  • Prion diseases are fatal neurodegenerative disorders caused by unconventional infectious agents, prions.
  • Prions propagate via protein misfolding and lack nucleic acid, complicating diagnosis.
  • Early and accurate diagnosis of prion diseases remains a significant clinical challenge.

Purpose of the Study:

  • To review state-of-the-art diagnostic techniques for prion diseases.
  • To explore novel strategies for developing sensitive, early, and non-invasive diagnostic methods.
  • To highlight advancements in prion disease diagnostics.

Main Methods:

  • Literature review of current prion diagnostic technologies.
  • Analysis of emerging strategies for prion detection.
  • Synthesis of information on diagnostic sensitivity, timing, and invasiveness.

Main Results:

  • Current diagnostic methods for prion diseases are discussed.
  • New strategies focusing on sensitive and early detection are presented.
  • Non-invasive diagnostic approaches are being developed.

Conclusions:

  • Advancements in diagnostic techniques are crucial for managing prion diseases.
  • Developing sensitive, early, and non-invasive diagnostics is a key focus.
  • Continued research is essential to overcome diagnostic challenges in prion diseases.

More Related Videos

Adipose-Derived Mesenchymal Stromal Cells Co-Cultured with Primary Mixed Glia to Reduce Prion-Induced Inflammation10:40

Adipose-Derived Mesenchymal Stromal Cells Co-Cultured with Primary Mixed Glia to Reduce Prion-Induced Inflammation

Published on: August 11, 2023

Prion Safety Laboratory Swipe Test06:01

Prion Safety Laboratory Swipe Test

Published on: February 14, 2025

Related Concept Videos

Amyloid Fibrils03:03

Amyloid Fibrils

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. 
Amyloid deposits were observed as early as 1639 in the liver and the spleen.   In 1854, Rudolph Virchow performed iodine staining, normally used to...
Subviral Agents01:29

Subviral Agents

Subviral agents are infectious entities that resemble viruses but lack one or more viral components, such as a capsid or essential replication machinery. These agents include viroids, prions, and satellites, each possessing distinct structural and functional characteristics that influence their mode of infection and replication.Viroids are the simplest subviral agents, consisting of circular, single-stranded RNA molecules without a protein coat. They exclusively infect plants, relying entirely...