Caister Academic Press

CIMB Abstract

Curr. Issues Mol. Biol. (2020) 36: 23-32.

Inactivation Methods for Prions

Akikazu Sakudo

Incidences of iatrogenic Creutzfeldt-Jakob disease (iCJD) are caused by transplantation of prion-contaminated hormones, cornea and dura mater as well as contact with prion- contaminated medical devices, such as stereotactic electrodes, used in neurosurgery. Because prions are highly resistant and difficult to inactivate, prion contamination is a severe risk when medical instruments are reused after surgical procedures involving suspicious and confirmed cases of patients with prion diseases. Therefore, when high-risk procedures such as cerebral surgery, craniotomy surgery, orthopaedic spinal surgery and ophthalmic surgery are performed for high-risk patients or individuals with prion diseases, it is neces- sary to appropriately treat the medical devices using scientifically proven prion inactivation methods. In this chapter, we introduce fundamental aspects of prion inactivation methods, looking specifically at the practical issues involved in their implementation.

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