Unveiling the antiviral inhibitory activity of ebselen and ebsulfur derivatives on SARS-CoV-2 using machine learning-based QSAR, LB-PaCS-MD, and experimental assay
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Фев. 26, 2025
Ebsulfur
and
ebselen
derivatives
that
were
proven
to
be
potent
inhibitors
against
the
main
protease
(MPro)
of
SARS-CoV-2
which
is
an
essential
enzyme
for
viral
replication
chosen
study
quantitative
structure–activity
relationship
(QSAR)
analysis
using
a
classical
multiple
linear
regression
(MLR)
machine
learning
approach
random
forest
(RF)
artificial
neural
network
(ANN)
in
order
find
between
molecular
structural
properties
biological
inhibitory
activities.
With
statistical
criteria,
R2
values
MLR,
RF,
ANN
models
training
set
0.83,
0.82,
0.92,
respectively.
The
RMSE
test
considered
model
evaluation,
results
0.27,
0.18,
0.09
models,
Therefore,
was
best-obtained
predicting
MPro
activity
thirteen
new
synthetic
analogs
haven't
tested
assay
before.
Notably,
our
predicted
activities
then
examined
enzyme-based
assays
cytotoxicity
tests,
found
compound
P8
resulted
good
potential
candidate
activity.
Furthermore,
dynamics
simulations
performed
dynamic
interaction
ligand
binding
site;
showed
pathway
mechanism
with
key
residues
surrounding
active
site
MPro,
useful
further
development
derivatives.
Язык: Английский
Metabolomic and transcriptomic reveal flavonoid biosynthesis and regulation mechanism in Phlomoides rotata from different habitats
Zuxia Li,
Guigong Geng,
Huichun Xie
и другие.
Genomics,
Год журнала:
2024,
Номер
116(3), С. 110850 - 110850
Опубликована: Апрель 27, 2024
Phlomoides
rotata
is
a
traditional
medical
plant
at
3100–5200
m
altitude
in
the
Tibet
Plateau.
In
this
study,
flavonoid
metabolites
were
investigated
P.
from
Henan
County
(HN),
Guoluo
(GL),
Yushu
(YS),
and
Chengduo
(CD)
habitats
Qinghai.
The
level
of
kaempferol
3-neohesperidoside,
sakuranetin,
biochanin
A
was
high
HN.
content
limocitrin
isoquercetin
YS.
levels
ikarisoside
chrysosplenol
D
GL
high.
Schaftoside,
miquelianin,
malvidin
chloride,
glabrene
CD
exhibited
levels.
results
showed
significant
correlation
between
59
flavonoids
29
DEGs.
Eleven
increased
with
altitude.
PAL2,
UFGT6,
COMT1,
HCT2,
4CL4,
HCT3
genes
crucial
regulating
biosynthesis.
Three
enzymes
CHS,
4CL,
UFGT,
This
study
provided
biological
chemical
evidence
for
different
uses
various
regional
plants
rotata.
Язык: Английский
In Vitro Investigation of the Anti-Fibrotic Effects of 1-Phenyl-2-Pentanol, Identified from Moringa oleifera Lam., on Hepatic Stellate Cells
International Journal of Molecular Sciences,
Год журнала:
2024,
Номер
25(16), С. 8995 - 8995
Опубликована: Авг. 19, 2024
Liver
fibrosis,
characterized
by
excessive
extracellular
matrix
deposition,
is
driven
activated
hepatic
stellate
cells
(HSCs).
Due
to
the
limited
availability
of
anti-fibrotic
drugs,
research
on
therapeutic
agents
continues.
Here
we
have
investigated
Язык: Английский
Semi-synthetic flavonoid derivatives from Boesenbergia Rotunda induce extrinsic apoptosis pathway via Caspase-3 and Caspase-8 in HCT116 Colon Cancer cell lines
Bioorganic Chemistry,
Год журнала:
2025,
Номер
159, С. 108343 - 108343
Опубликована: Март 9, 2025
Язык: Английский
Discovery of Cinnamoyl–Flavonoid Hybrid Derivatives as Inhibitors of SARS-CoV-2 Mpro and Anti-inflammatory Agents: Experimental and In Silico Insights into their Efficacy against Lipopolysaccharide-Induced Lung Injury
European Journal of Pharmacology,
Год журнала:
2025,
Номер
unknown, С. 177636 - 177636
Опубликована: Апрель 1, 2025
The
chemical
structures
of
the
parental
compounds
flavonoids
from
Boesenbergia
rotunda
were
modified
by
conjugation
with
cinnamic
acid
to
form
cinnamoyl-flavonoid
hybrid
derivatives
enhanced
anti-inflammatory
and
SARS-CoV-2
Mpro-inhibitory
properties.
Cinnamoyl-flavonoid
6
10
showed
potential
inhibit
Mpro
IC50
values
52.49
22.62
μM.
Compounds
lower
cytotoxicity
in
human
lung
cell
lines
MRC-5
A549
at
concentrations
greater
than
50
effects
on
viability
studied
a
3D
co-culture
model
treated
lipopolysaccharide
(LPS)
observed
through
confocal
microscopy.
downregulated
p65
mRNA
expression,
resulting
reduction
pro-inflammatory
cytokines,
including
Interleukin
8
(IL-8)
Monocyte
Chemoattractant
Protein-1
(MCP-1/CCL2),
leading
an
response
Nuclear
factor
kappa-light-chain-enhancer
activated
B
cells
(NF-κB)
signalling
pathways.
Compound
activity,
downregulating
Bcl-2
Associated
X
gene
(BAX),
which
resulted
inhibition
apoptotic
death
when
compared
compound
10.
In
silico
molecular
dynamic
simulation
shed
light
how
these
interact
myeloid
differentiation
2
(MD-2),
is
involved
inflammatory
response.
Our
findings
suggest
that
show
as
drugs
anti-SARS-CoV-2
drugs.
Язык: Английский
Design and Evaluation of Andrographolide Analogues as SARS-CoV-2 Main Protease Inhibitors: Molecular Modeling and in vitro Studies
Drug Design Development and Therapy,
Год журнала:
2025,
Номер
Volume 19, С. 3907 - 3924
Опубликована: Май 1, 2025
The
COVID-19
pandemic,
caused
by
SARS-CoV-2,
highlights
the
urgent
need
for
novel
antiviral
agents
targeting
key
viral
proteins.
main
protease
(Mpro)
is
a
crucial
enzyme
replication,
making
it
an
attractive
drug
target.
Andrographolide,
natural
compound
with
known
properties,
serves
as
promising
scaffold
inhibitor
development.
This
study
aimed
to
design,
synthesize,
and
evaluate
C-12
dithiocarbamate
andrographolide
analogues
potential
SARS-CoV-2
Mpro
inhibitors
using
computational
experimental
approaches.
A
structure-based
design
approach
was
employed
derivatives.
Molecular
dynamics
simulations
were
conducted
assess
binding
interactions
stability.
hit
synthesized
evaluated
inhibition
assay
against
Mpro.
Cytotoxicity
assessed
in
HepG2,
HaCaT,
HEK293T
cells
determine
safety
profiles.
Among
designed
compounds,
1,
incorporating
2,4,5-trifluorobenzene
moiety,
exhibited
strongest
affinity
stable
residues
(H41,
M49
M165).
Enzyme
confirmed
~70%
at
100
µM,
moderate
low
cytotoxicity
(CC50
values
comparable
andrographolide).
Compound
1
represents
non-covalent
inhibitor.
Further
structural
optimization
necessary
enhance
potency,
selectivity,
therapeutic
applications.
Язык: Английский