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Updated: May 28, 2026

Investigating the Spreading and Toxicity of Prion-like Proteins Using the Metazoan Model Organism C. elegans
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A Neuronal Cell Line Model for Studying Camel Prions.

Basant Abdulrahman1,2,3,4,5, Shabboo Rahimi Aqdam1,2,3,4, Matteo Mosca1,2,3,4

  • 1Calgary Prion Research Unit, University of Calgary, Calgary, AB T2N 4Z6, Canada.

Pathogens (Basel, Switzerland)
|May 27, 2026
PubMed
Summary
This summary is machine-generated.

Camel prion disease (CPrD) is a fatal neurodegenerative disorder. Researchers developed a novel camel prion-permissive neuronal cell line for studying CPrD molecular mechanisms and prion conversion.

Keywords:
CAD5 cellsCRISPR-Cas/9camel prion diseasecell culture modelsgene-editingknock-out cellsprionprion diseaseprion infection

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Area of Science:

  • Neuroscience
  • Veterinary Medicine
  • Biochemistry

Background:

  • Prion diseases are fatal neurodegenerative disorders caused by misfolded prion proteins (PrPSc).
  • Camel prion disease (CPrD) has been identified in dromedary camels, raising concerns for animal and human health.
  • Understanding CPrD is crucial due to its potential socio-economic impact in regions where camels are a food source.

Purpose of the Study:

  • To develop a neuronal cell line model for studying camel prion infection.
  • To characterize the molecular features of camel prion disease in vitro.
  • To establish a tool for mechanistic studies of CPrD.

Main Methods:

  • Genetically edited mouse neuronal CAD5 cells to create PrP knockout cells (CAD5 PrP KO).
  • Generated CAD5 cells expressing camel PrP (CAD5-camel-PrP) via lentiviral transduction.
  • Infected cells with CPrD-positive camel brain homogenate and analyzed PrPSc signals using immunoblotting and RT-QuIC assays.

Main Results:

  • Observed PrPSc signals in CPrD-infected CAD5-camel-PrP cells across multiple passages.
  • RT-QuIC assays confirmed transient prion conversion activity in infected cells.
  • Successfully established the first neuronal cell line permissive to camel prion infection.

Conclusions:

  • The developed CAD5-camel-PrP cell line is a novel in vitro tool for studying camel prion disease.
  • This model facilitates mechanistic investigations into camel prion infection.
  • The findings contribute to a better understanding of CPrD and its implications for public health.