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2017 ; 7
(1
): 9409
Nephropedia Template TP
gab.com Text
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English Wikipedia
Sofosbuvir protects Zika virus-infected mice from mortality, preventing short-
and long-term sequelae
#MMPMID28842610
Ferreira AC
; Zaverucha-do-Valle C
; Reis PA
; Barbosa-Lima G
; Vieira YR
; Mattos M
; Silva PP
; Sacramento C
; de Castro Faria Neto HC
; Campanati L
; Tanuri A
; Brüning K
; Bozza FA
; Bozza PT
; Souza TML
Sci Rep
2017[Aug]; 7
(1
): 9409
PMID28842610
show ga
Zika virus (ZIKV) causes significant public health concerns because of its
association with congenital malformations, neurological disorders in adults, and,
more recently, death. Considering the necessity to mitigate ZIKV-associated
diseases, antiviral interventions are an urgent necessity. Sofosbuvir, a drug in
clinical use against hepatitis C virus (HCV), is among the FDA-approved
substances endowed with anti-ZIKV activity. In this work, we further investigated
the in vivo activity of sofosbuvir against ZIKV. Neonatal Swiss mice were
infected with ZIKV (2?×?10(7) PFU) and treated with sofosbuvir at 20?mg/kg/day, a
concentration compatible with pre-clinical development of this drug. We found
that sofosbuvir reduced acute levels of ZIKV from 60 to 90% in different
anatomical compartments, such as the blood plasma, spleen, kidney, and brain.
Early treatment with sofosbuvir doubled the percentage and time of survival of
ZIKV-infected animals. Sofosbuvir also prevented the acute neuromotor impairment
triggered by ZIKV. In the long-term behavioural analysis of ZIKV-associated
sequelae, sofosbuvir prevented loss of hippocampal- and amygdala-dependent
memory. Our results indicate that sofosbuvir inhibits ZIKV replication in vivo,
which is consistent with the prospective necessity of antiviral drugs to treat
ZIKV-infected individuals.