Plants,
Journal Year:
2022,
Volume and Issue:
11(14), P. 1862 - 1862
Published: July 17, 2022
In
late
December
2019,
the
first
cases
of
COVID-19
emerged
as
an
outbreak
in
Wuhan,
China
that
later
spread
vastly
around
world,
evolving
into
a
pandemic
and
one
worst
global
health
crises
modern
history.
The
causative
agent
was
identified
severe
acute
respiratory
syndrome
coronavirus
2
(SARS-CoV-2).
Although
several
vaccines
were
authorized
for
emergency
use,
constantly
emerging
new
viral
mutants
limited
treatment
options
drastically
highlighted
need
developing
efficient
this
disease.
One
most
important
components
to
target
purpose
is
main
protease
(Mpro).
This
enzyme
excellent
potential
drug,
it
essential
replication
has
no
closely
related
homologues
humans,
making
its
inhibitors
unlikely
be
toxic.
Our
review
describes
variety
approaches
could
applied
search
among
plant-derived
compounds,
including
virtual
silico
screening
(a
data-driven
approach),
which
structure-based
or
fragment-guided,
classical
approach
high-throughput
screening,
antiviral
activity
cell-based
assays.
We
will
focus
on
classes
compounds
reported
Mpro,
phenols
polyphenols,
alkaloids,
terpenoids.
Inorganics,
Journal Year:
2023,
Volume and Issue:
11(8), P. 321 - 321
Published: July 29, 2023
Herein
we
report
the
synthesis
of
organic
selenide-based
maleanilic
and
succinanilic
acids
in
good
yields
(up
to
95%).
Their
structural
identities
were
elucidated
by
spectroscopic
techniques
(e.g.,
IR,
1H-
&
13C-NMR,
MS).
The
ADMET
analysis,
molecule
electrostatic
potential
map,
DFT,
frontier
molecular
orbital
used
study
organoselenium
compounds’
pharmacokinetics,
drug-likeness
characteristics,
geometries,
chemical
electronic
properties.
Moreover,
a
docking
tool
was
employed
investigate
selenides’
ability
inhibit
SARS-CoV-2
Mpro
target
(PDB:
7BFB).
Within
this
context,
selenides
exhibited
promising
binding
affinities
receptor
following
order
(12
>
11
10
9
7
8).
Furthermore,
dynamics
simulations
also
carried
out
for
200
ns
evaluate
exact
behavior
most
active
compound
(12)
within
pocket
compared
with
its
co-crystallized
inhibitor
(Co).
ChemistrySelect,
Journal Year:
2024,
Volume and Issue:
9(15)
Published: April 15, 2024
Abstract
This
review
article
aims
to
significantly
advance
the
scientific
community's
efforts
develop
effective
nucleoside‐based
drugs
for
treating
severe
acute
respiratory
syndrome
coronavirus
2
(SARS‐CoV‐2
)
and
other
emerging
infectious
diseases.
study
concentrates
on
main
viral
protease
(Mpro)
explores
compounds
as
potential
therapeutic
agents.
investigation
investigated
impact
of
acylation‐induced
modifications
nucleoside
hydroxyl
group
subsequent
properties.
Nucleoside
analogs,
which
are
recognized
their
diverse
biochemical
properties,
were
synthesized
rigorously
screened
evaluate
antimicrobial
efficacy.
In
domain
pharmaceutical
research,
computational
pharmacokinetics
has
emerged
a
critical
tool,
especially
in
pursuit
analogs
therapeutics.
silico
methods
aid
predicting
pharmacokinetic
traits,
interactions
with
crucial
enzymes,
stability
these
biological
environments,
thereby
streamlining
drug
design
reducing
experimental
costs.
Concurrently,
studies
revealed
intricate
between
active
site
protease.
The
amalgamation
screening
insights
underscores
emergence
potent
candidates
inhibitory
activity
against
SARS‐CoV‐2
M
pro
.
Additionally,
this
integrates
that
provide
valuable
into
SARS‐CoV‐2.
International Journal of Molecular Sciences,
Journal Year:
2022,
Volume and Issue:
23(15), P. 8283 - 8283
Published: July 27, 2022
The
vascular
endothelium
has
several
important
functions,
including
hemostasis.
homeostasis
of
hemostasis
is
based
on
a
fine
balance
between
procoagulant
and
anticoagulant
proteins
fibrinolytic
antifibrinolytic
ones.
Coagulopathies
are
characterized
by
mutation-induced
alteration
the
function
certain
coagulation
factors
or
disturbed
mechanisms
responsible
for
regulating
coagulation.
Homeostatic
therapies
consist
in
replacement
nonreplacement
treatments
administration
agents.
Rebalancing
products
reestablish
inhibiting
natural
pathways.
These
agents
include
monoclonal
antibodies,
such
as
concizumab
marstacimab,
which
target
tissue
factor
pathway
inhibitor;
interfering
RNA
therapies,
fitusiran,
targets
antithrombin
III;
protease
inhibitors,
serpinPC,
active
protein
C.
In
cases
thrombophilia
(deficiency
C,
S,
V
Leiden),
treatment
may
direct
oral
anticoagulants,
therapy
(plasma
recombinant
ADAMTS13)
congenital
deficiency
ADAMTS13,
immunomodulators
(prednisone)
if
autoimmune.
Monoclonal-antibody-based
anti-vWF
immunotherapy
(caplacizumab)
used
context
severe
thrombophilia,
regardless
cause
disorder.
disseminated
intravascular
coagulation,
choice
consists
antifibrinolytics,
all-trans-retinoic
acid,
soluble
human
thrombomodulin.
RSC Advances,
Journal Year:
2022,
Volume and Issue:
12(41), P. 26895 - 26907
Published: Jan. 1, 2022
An
essential
target
for
COVID-19
is
the
main
protease
of
SARS-CoV-2
(Mpro).
With
objective
targeting
this
receptor,
a
novel
set
pyrido[1,2-a]pyrrolo[2,3-d]pyrimidines
with
terminal
carboxamide
fragments
was
designed,
synthesized,
and
considered
as
an
initial
motif
creation
effective
pan-coronavirus
inhibitors.
Accordingly,
nine
derivatives
(21-29)
have
been
introduced
in
vitro
assay
to
evaluate
their
antiviral
activity
cytotoxicity
effect
against
virus
using
Vero
cells.
The
obtained
data
revealed
that
majority
these
showed
potent
cellular
anti-COVID-19
prevent
viral
growth
by
more
than
90%
at
two
different
concentrations
weak
or
even
no
detectable
cytotoxic
on
Extensive
molecular
docking
simulations
highlighted
proper
non-covalent
interaction
new
compounds
within
binding
pocket
Mpro
potential
activity.
In
all
synthesized
indicated
25
29
promising
inhibitory
IC50
values
low
micromolar
concentrations.
dynamic
simulation
results
predicted
stability
compound
cavity
hence
supported
high
shown
assay.
These
suggested
merit
further
investigations
drug
candidates
management
SARS-CoV-2.
Journal of Chemical Information and Modeling,
Journal Year:
2023,
Volume and Issue:
63(7), P. 2226 - 2239
Published: March 23, 2023
The
SARS-CoV-2
pandemic
has
prompted
global
efforts
to
develop
therapeutics.
main
protease
of
(Mpro)
and
the
papain-like
(PLpro)
are
essential
for
viral
replication
key
targets
therapeutic
development.
In
this
work,
we
investigate
mechanisms
inhibition
by
diphenyl
diselenide
(PhSe)2
which
is
an
archetypal
model
diselenides
a
renowned
potential
agent.
in
vitro
inhibitory
concentration
against
Vero
E6
cells
falls
low
micromolar
range.
Molecular
dynamics
(MD)
simulations
density
functional
theory
(DFT)
calculations
[level
theory:
SMD-B3LYP-D3(BJ)/6-311G(d,p),
cc-pVTZ]
used
inspect
non-covalent
modes
both
proteases
via
π-stacking
mechanism
covalent
+
Mpro
product
formation
involving
catalytic
residue
C145,
respectively.
CC50
(24.61
μM)
EC50
(2.39
data
indicate
that
good
inhibitor
virus
cell
culture
model.
silico
findings
proteases'
(PhSe)2;
particular,
results
here
discussed
Mpro,
whose
thermodynamics
approximatively
isoergonic,
prompt
further
investigation
design
antiviral
organodiselenides.
Antiviral Research,
Journal Year:
2023,
Volume and Issue:
211, P. 105555 - 105555
Published: Feb. 14, 2023
Nirmatrelvir
is
the
main
component
of
Paxlovid,
an
oral
antiviral
drug
approved
for
treatment
COVID-19
caused
by
SARS-COV-2
infection.
targets
protease
(Mpro),
which
substantially
conserved
among
different
coronaviruses.
Here,
our
molecular
docking
analysis
indicates
comparable
affinity
nirmatrelvir
binding
to
Mpro
enzymes
SARS-CoV-2
and
three
seasonal
coronaviruses
(OC43,
229E
NL63).
However,
in
cell
culture
models,
we
found
that
potently
inhibited
SARS-CoV-2,
OC43
229E,
but
not
NL63.
The
insensitivity
NL63
was
demonstrated
at
both
viral
replication
infectious
titer
levels.
activity
against
further
confirmed
human
airway
organoids.
combination
molnupiravir
exerted
differential
patterns
response
229E.
These
results
revealed
disparities
ability
inhibit
coronaviruses,
caution
repurposing
as
a
pan-coronavirus
treatment.
Molecules,
Journal Year:
2023,
Volume and Issue:
28(14), P. 5312 - 5312
Published: July 10, 2023
Despite
public
health
risk
mitigation
measures
and
regulation
efforts
by
many
countries,
regions,
sectors,
viral
outbreaks
remind
the
world
of
our
vulnerability
to
biological
hazards
importance
actions.
The
saltwater-tolerant
plants
in
Salicornia
genus
belonging
Amaranthaceae
family
are
widely
recognized
researched
as
producers
clinically
applicable
phytochemicals.
contain
flavonoids,
flavonoid
glycosides,
hydroxycinnamic
acids,
including
caffeic
acid,
ferulic
chlorogenic
apigenin,
kaempferol,
quercetin,
isorhamnetin,
myricetin,
isoquercitrin,
myricitrin,
which
have
all
been
shown
support
antiviral,
virucidal,
symptom-suppressing
activities.
Their
potential
pharmacological
usefulness
therapeutic
medicine
against
infections
has
suggested
studies,
where
recent
studies
suggest
these
phenolic
compounds
may
infections.
This
study
reviews
antiviral
effects,
mechanisms
action,
agents
aforementioned
found
spp.
an
influenza
A
strain
(H1N1),
hepatitis
B
C
(HBV/HCV),
human
immunodeficiency
virus
1
(HIV-1),
no
other
literature
described
effects
from
at
time
publication.
review
a
significant
societal
impact
proposing
development
new
nutraceuticals
pharmaceuticals
derived
phenolic-rich
formulations
edible
These
could
be
utilized
novel
strategy
combat
pandemics
caused
H1N1,
HBV,
HCV,
HIV-1.
findings
this
indicate
that
myricitrin
exhibit
high
efficiency
inhibiting
Myricetin
exhibits
inhibition
H1N1
plaque
formation
reverse
transcriptase,
well
integrase
integration
cleavage.
Isoquercitrin
shows
excellent
neuraminidase
inhibition.
Myricitrin
inhibits
HIV-1
infected
cells.
Extracts
biomass
contribute
more
effective
efficient
and,
ultimately,
improve
health.
Journal of Tropical Medicine,
Journal Year:
2022,
Volume and Issue:
2022, P. 1 - 13
Published: Nov. 22, 2022
COVID-19
in
Indonesia
is
considered
to
be
entering
the
endemic
phase,
and
population
expected
live
side
by
with
SARS-CoV
2
viruses
their
variants.
In
this
study,
procyanidin,
oleic
acid,
methyl
linoleic
vitexin,
four
compounds
from
binahong
leaves-tropical/subtropical
plant,
were
examined
for
interactions
major
protease
(Mpro)
of
virus.
Molecular
dynamics
simulation
shows
that
procyanidin
vitexin
have
best
docking
scores
−9.132
−8.433,
respectively.
also
Root
Mean
Square
Displacement
(RMSD)
Fluctuation
(RMSF)
performance
due
dominant
hydrogen,
hydrophobic,
water
bridge
interactions.
However,
further
strain
energy
calculation
obtained
ligand
torsion
analyses,
do
not
conform
as
much
quercetin
control
even
though
these
two
ligands
good
terms
interaction
target
protein.