A small-molecule SARS-CoV-2 inhibitor targeting the membrane protein
Nature,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 26, 2025
Abstract
The
membrane
(M)
protein
of
betacoronaviruses
is
well
conserved
and
has
a
key
role
in
viral
assembly
1,2
.
Here
we
describe
the
identification
JNJ-9676,
small-molecule
inhibitor
targeting
coronavirus
M
protein.
JNJ-9676
demonstrates
vitro
nanomolar
antiviral
activity
against
SARS-CoV-2,
SARS-CoV
sarbecovirus
strains
from
bat
pangolin
zoonotic
origin.
Using
cryogenic
electron
microscopy
(cryo-EM),
determined
binding
pocket
formed
by
transmembrane
domains
dimer.
Compound
stabilized
dimer
an
altered
conformational
state
between
its
long
short
forms,
preventing
release
infectious
virus.
In
pre-exposure
Syrian
golden
hamster
model,
(25
mg
per
kg
twice
day)
showed
excellent
efficacy,
illustrated
significant
reduction
load
virus
lung
3.5
4
log
10
-transformed
RNA
copies
50%
tissue
culture
infective
dose
(TCID
50
)
lung,
respectively.
Histopathology
scores
at
this
were
reduced
to
baseline.
post-exposure
was
efficacious
75
day
even
when
added
48
h
after
infection,
peak
loads
observed.
attractive
target
block
replication,
represents
interesting
chemical
series
towards
identifying
clinical
candidates
addressing
current
future
pandemics.
Язык: Английский
Efficacy and safety of antiviral treatments for symptomatic COVID-19 outpatients: network meta-analysis and budget impact analysis
Frontiers in Pharmacology,
Год журнала:
2025,
Номер
16
Опубликована: Апрель 16, 2025
Remdesivir
(RDV)
and
nirmatrelvir/ritonavir
(NRM/RTV)
are
two
antiviral
agents
for
treating
outpatient
adults
with
mild
to
moderate
symptomatic
COVID-19
at
high
risk
of
developing
a
severe
disease.
The
review
objectives
compare
the
efficacy
safety
these
antivirals
based
on
published
RCT
real-world
data,
evaluate
costs
from
healthcare
perspective.
This
study
provides
network
meta-analysis
RDV
NRM/RTV
early
treatment
COVID-19.
outcomes
analysed
were
hospitalisation
any
cause
serious
adverse
events.
A
cost-analysis
was
performed
incorporating
drug
costs,
administration,
hospitalisations,
management
budget
impact
analysis
estimated
University
Hospital
Padua.
Our
results
indicated
that
showed
trend
towards
lower
compared
(RR
1.59,
95%
CI:
0.60-4.20),
though
this
not
statistically
significant.
For
safety,
demonstrated
slightly
events
0.92,
0.31-2.74),
but
without
statistical
significance.
cost
could
save
€550,854.46
per
1,000
patients.
Finally,
data
Padua
annual
savings
€210,977.25
if
all
treatments
administered
instead
RDV.
comparison
therapies
did
yield
significant
differences
in
potential
prevent
or
However,
saving
favour
NRM/RTV.
Язык: Английский
Oridonin inhibits SARS-CoV-2 replication by targeting viral proteinase and polymerase
Virologica Sinica,
Год журнала:
2023,
Номер
38(3), С. 470 - 479
Опубликована: Апрель 30, 2023
COVID-19
has
become
a
global
public
health
crisis
since
its
outbreak
in
China
December
2019.
Currently
there
are
few
clinically
effective
drugs
to
combat
SARS-CoV-2
infection.
The
main
protein
(M
Язык: Английский
Small-molecule anti-COVID-19 drugs and a focus on China’s homegrown mindeudesivir (VV116)
Frontiers of Medicine,
Год журнала:
2023,
Номер
17(6), С. 1068 - 1079
Опубликована: Дек. 1, 2023
Язык: Английский
Remdesivir Derivative VV116 Is a Potential Broad-Spectrum Inhibitor of Both Human and Animal Coronaviruses
Viruses,
Год журнала:
2023,
Номер
15(12), С. 2295 - 2295
Опубликована: Ноя. 23, 2023
Coronaviruses
represent
a
significant
threat
to
both
human
and
animal
health,
encompassing
range
of
pathogenic
strains
responsible
for
illnesses,
from
the
common
cold
more
severe
diseases.
VV116
is
deuterated
derivative
Remdesivir
with
oral
bioavailability
that
was
found
potently
inhibit
SARS-CoV-2.
In
this
work,
we
investigated
broad-spectrum
antiviral
activity
against
variety
coronaviruses.
We
examined
inhibitory
effects
on
replication
coronaviruses
HCoV-NL63,
HCoV-229E,
HCoV-OC43,
as
well
MHV,
FIPV,
FECV,
CCoV.
The
findings
reveal
effectively
inhibits
viral
across
these
without
exhibiting
cytotoxicity,
indicating
its
potential
safe
therapeutic
use.
Based
results
time-of-addition
assay
an
rNTP
competitive
inhibition
assay,
it
speculated
mechanism
HCoV-NL63
consistent
Our
work
presents
promising
candidate
anti-coronavirus
therapy,
implications
supports
expansion
applications
backed
by
detailed
experimental
data.
Язык: Английский
A small-molecule SARS-CoV-2 inhibitor targeting the membrane protein
Research Square (Research Square),
Год журнала:
2024,
Номер
unknown
Опубликована: Март 7, 2024
Abstract
The
membrane
(M)
protein
of
betacoronaviruses
is
well-conserved
and
plays
a
key
role
in
viral
assembly.
Here,
we
describe
the
discovery
JNJ-9676,
novel
small
molecule
targeting
coronaviral
(CoV)
M
protein.
JNJ-9676
demonstrates
in
vitro
nanomolar
antiviral
activity
against
SARS-CoV2,
SARS-CoV,
sarbecovirus
strains
from
bat
pangolin
zoonotic
origin.
Using
cryogenic
electron
microscopy,
determined
binding
pocket
protein's
transmembrane
domain.
Compound
stabilized
an
altered
conformational
state
between
its
long-
short-forms,
preventing
release
infectious
virus.
In
pre-exposure
Syrian
golden
hamster
model,
(25
mg/kg
BID)
showed
excellent
efficacy
illustrated
by
significant
reduction
load
virus
lung
3.5
log10
4
log10,
respectively.
Histopathology
scores
at
this
dose
were
reduced
to
baseline.
post-exposure
was
efficacious
75mg/kg
BID
even
when
added
48
h
post-infection,
peak
loads
observed.
attractive
target
block
coronavirus
replication
with
representing
interesting
chemical
series
towards
identifying
clinical
candidates
addressing
current
future
CoV
pandemics.
Язык: Английский
How Much Potential Do Nucleoside Analogs Offer to Combat Human Corona Viruses?
Organics,
Год журнала:
2024,
Номер
5(2), С. 71 - 110
Опубликована: Май 8, 2024
Nucleoside
analogs
(NAs)
have
been
extensively
examined
as
plausible
antiviral
agents
in
recent
years,
particular
since
the
outbreak
of
global
pandemic
COVID-19
2019.
In
this
review,
structures
and
properties
over
450
NAs
are
collected
according
to
type
virus,
namely
SARS-CoV,
SARS-CoV-2,
MERS-CoV,
HCoV-OC43,
HCoV-229E,
HCoV-NL63.
The
activity
against
HCoV-related
enzymes
is
also
presented.
Selected
studies
dealing
with
mode
action
discussed
detail.
repurposing
known
appears
be
most
investigated
scientific
approach
towards
efficacious
anti-HCoV
agents.
recently
reported
de
novo-designed
seem
open
up
additional
approaches
new
drug
candidates.
Язык: Английский