Quantitative Detection and Biological Propagation of Scrapie Seeding Activity In Vitro Facilitate Use of Prions as Model Pathogens for Disinfection
2011

Using Prions to Develop Better Disinfectants

publication 10 minutes Evidence: high

Author Information

Author(s): Pritzkow Sandra, Wagenführ Katja, Daus Martin L., Boerner Susann, Lemmer Karin, Thomzig Achim, Mielke Martin, Beekes Michael

Primary Institution: Robert Koch-Institut, Berlin, Germany

Hypothesis

Can scrapie prions be used as model pathogens to improve disinfection methods?

Conclusion

The study successfully demonstrated that prions can be used to develop effective disinfectants against a range of pathogens.

Supporting Evidence

  • Prions are highly resistant to inactivation, making them a challenge for disinfecting surgical instruments.
  • The study developed a method to quantitatively detect prion seeding activity on contaminated surfaces.
  • Fifteen different disinfection procedures were tested, showing varying effectiveness against prion infectivity.

Takeaway

Scientists found a way to use prions, which are tough germs, to help create better cleaning products that kill other germs too.

Methodology

The study used protein misfolding cyclic amplification (PMCA) and glial cell cultures to assess prion seeding activity and disinfectant efficacy.

Limitations

The study primarily focused on one type of prion and its effectiveness in a controlled laboratory setting, which may not fully represent real-world conditions.

Digital Object Identifier (DOI)

10.1371/journal.pone.0020384

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