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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 J+Virol
2016 ; 90
(20
): 9209-23
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Ferrets Infected with Bundibugyo Virus or Ebola Virus Recapitulate Important
Aspects of Human Filovirus Disease
#MMPMID27489269
Kozak R
; He S
; Kroeker A
; de La Vega MA
; Audet J
; Wong G
; Urfano C
; Antonation K
; Embury-Hyatt C
; Kobinger GP
; Qiu X
J Virol
2016[Oct]; 90
(20
): 9209-23
PMID27489269
show ga
Bundibugyo virus (BDBV) is the etiological agent of a severe hemorrhagic fever in
humans with a case-fatality rate ranging from 25 to 36%. Despite having been
known to the scientific and medical communities for almost 1 decade, there is a
dearth of studies on this pathogen due to the lack of a small animal model.
Domestic ferrets are commonly used to study other RNA viruses, including members
of the order Mononegavirales To investigate whether ferrets were susceptible to
filovirus infections, ferrets were challenged with a clinical isolate of BDBV.
Animals became viremic within 4 days and succumbed to infection between 8 and 9
days, and a petechial rash was observed with moribund ferrets. Furthermore,
several hallmarks of human filoviral disease were recapitulated in the ferret
model, including substantial decreases in lymphocyte and platelet counts and
dysregulation of key biochemical markers related to hepatic/renal function, as
well as coagulation abnormalities. Virological, histopathological, and
immunohistochemical analyses confirmed uncontrolled BDBV replication in the major
organs. Ferrets were also infected with Ebola virus (EBOV) to confirm their
susceptibility to another filovirus species and to potentially establish a virus
transmission model. Similar to what was seen with BDBV, important hallmarks of
human filoviral disease were observed in EBOV-infected ferrets. This study
demonstrates the potential of this small animal model for studying BDBV and EBOV
using wild-type isolates and will accelerate efforts to understand filovirus
pathogenesis and transmission as well as the development of specific vaccines and
antivirals. IMPORTANCE: The 2013-2016 outbreak of Ebola virus in West Africa has
highlighted the threat posed by filoviruses to global public health. Bundibugyo
virus (BDBV) is a member of the genus Ebolavirus and has caused outbreaks in the
past but is relatively understudied, likely due to the lack of a suitable small
animal model. Such a model for BDBV is crucial to evaluating vaccines and
therapies and potentially understanding transmission. To address this, we
demonstrated that ferrets are susceptible models to BDBV infection as well as to
Ebola virus infection and that no virus adaptation is required. Moreover, these
animals develop a disease that is similar to that seen in humans and nonhuman
primates. We believe that this will improve the ability to study BDBV and provide
a platform to test vaccines and therapeutics.