1 / 3

Medical Microbiology

Medical Microbiology. Chapter 67 - Prions. Prions. Proteinaceous infectious particles with no known genetic material! Diseases – Box 67-1 These are all neurodegenerative diseases These all have very long incubation periods (up to 30 years for the human diseases)

vanna-rodgers
Download Presentation

Medical Microbiology

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Medical Microbiology Chapter 67 - Prions

  2. Prions • Proteinaceous infectious particles with no known genetic material! • Diseases – Box 67-1 • These are all neurodegenerative diseases • These all have very long incubation periods (up to 30 years for the human diseases) • These proteins elicit no immune response, are extremely resistant to inactivation by heat, disinfectants, and radiation. • Formaldehyde, UV radiation, heat up to 80º C

  3. Prions • Infection cycle – Figure 67-1 • Transmission: • Injection • Transplanted tissue • Contaminated medical devices • Food • Box 67-3 • Stories of kuru and vCJD • Box 67-4

More Related