期刊
RESEARCH IN VETERINARY SCIENCE
卷 133, 期 -, 页码 304-306出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.rvsc.2020.10.009
关键词
Blood transfusion; Cervid; CWD; Prion disease; Prions in blood; White-tailed deer
资金
- ORAU under DOE contract [DE-SC0014664]
Chronic wasting disease (CWD) is a transmissible spongiform encephalopathy (TSEs) that affects free-ranging and captive cervid species. The infectious agent of CWD may be transmitted from ingestion of prions shed in bodily fluids (e.g. feces, urine, saliva, placenta tissue) of infected animals, contaminated pastures, and/or decomposing carcasses from dead animals. Studies have also demonstrated prion infectivity in whole blood or blood fractions of CWD infected animals. To determine if CWD-infected blood contained sufficient levels of prion infectivity to cause disease, recipient deer were inoculated intravenously (IV) with blood derived from a CWD-infected white-tailed deer. We found that the CWD agent can be successfully transmitted to white-tailed deer by a single intravenous blood transfusion. The incubation period was associated with recipient prion protein genotype at codon 96 with the GG96 recipient incubating for 25.6 months and the GS96 recipient incubating for 43.6 months. This study complements and supports an earlier finding that CWD can be transmitted to deer by intravenous blood transfusion from white-tailed deer with CWD.
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