Volume 31, Number 2—February 2025
Research
Prions in Muscles of Cervids with Chronic Wasting Disease, Norway
Table 2
Summary of PMCA amplification of prions in selected peripheral tissues from CWD-affected reindeer, moose, and a red deer with different strains in a study of prions in muscles of cervids with CWD, Norway*
Tissues or organs |
Reindeer |
Moose |
Red deer |
|||||
A |
B |
A |
B |
C |
D |
|||
Lymph nodes |
||||||||
Retropharyngeal |
NA |
NA |
NA |
Amp |
NA |
NA |
Amp |
|
Parotid |
Amp |
Amp |
Amp, inf |
NA |
Amp |
NA |
NA |
|
Mandibular |
NA |
NA |
NA |
NA |
NA |
No Amp |
NA |
|
Prescapular |
Amp |
Amp |
NA |
NA |
No amp, no inf |
Inc |
No amp, no inf |
|
Axillary |
NA |
NA |
Amp |
NA |
NA |
NA |
NA |
|
Popliteal |
Amp |
Amp |
No amp, no inf |
NA |
No amp |
No amp |
NA |
|
Peripheral nerves |
||||||||
Brachial plexus |
Amp |
NA |
Amp |
NA |
Amp |
NA |
Amp |
|
Ischiadic nerve |
Amp |
Amp |
Amp |
NA |
Amp |
Amp |
Amp |
|
Optic nerve |
Amp |
NA |
Amp |
NA |
Amp |
NA |
Amp |
|
Muscles |
||||||||
Masseter |
Amp |
Amp |
Amp |
Amp |
Amp |
Amp |
Amp |
|
Triceps brachii |
Inc |
No amp |
Amp |
Amp |
Amp |
Inc |
Amp |
|
Psoas |
Amp |
Amp |
Amp |
Amp |
Amp |
No amp |
No amp |
|
Longissimus dorsi |
Amp |
NA |
Amp, no inf |
Amp |
Amp, no Inf |
No amp |
Inc |
|
Semitendinosus |
No amp |
NA |
No amp |
Amp |
Amp |
No amp |
No amp |
|
Ocular |
Amp |
NA |
Amp, inf |
NA |
Amp |
NA |
Amp |
|
Lingual |
Amp |
Amp |
Amp |
NA |
Amp |
NA |
Amp |
|
Cardiac | Amp | Amp | NA | Amp | No amp | No amp | NA |
*Amp, positive amplification; CWD, chronic wasting disease; inc, inconclusive results due to inconsistencies in the 2 laboratories; inf, positive infectivity in Bv109I voles; NA, not available/not tested; no amp, no amplification; no inf, no infectivity in Bv109I voles; PMCA, protein misfolding cyclic amplification.
1These first authors contributed equally to this article.
2These authors are co–senior authors.