In Silico Approach for Antibacterial Discovery: PTML Modeling of Virtual Multi-Strain Inhibitors Against Staphylococcus aureus
Pharmaceuticals,
Journal Year:
2025,
Volume and Issue:
18(2), P. 196 - 196
Published: Jan. 31, 2025
Background/Objectives:
Infectious
diseases
caused
by
Staphylococcus
aureus
(S.
aureus)
have
become
alarming
health
issues
worldwide
due
to
the
ever-increasing
emergence
of
multidrug
resistance.
In
silico
approaches
can
accelerate
identification
and/or
design
versatile
antibacterial
chemicals
with
ability
target
multiple
S.
strains
varying
degrees
drug
Here,
we
develop
a
perturbation
theory
machine
learning
model
based
on
multilayer
perceptron
neural
network
(PTML-MLP)
for
prediction
and
virtual
inhibitors
against
strains.
Methods:
To
PTML-MLP
model,
chemical
biological
data
associated
activity
were
retrieved
from
ChEMBL
database.
We
applied
Box-Jenkins
approach
convert
topological
indices
into
multi-label
graph-theoretical
indices;
latter
used
as
inputs
creation
model.
Results:
The
exhibited
accuracy
higher
than
80%
in
both
training
test
sets.
physicochemical
structural
interpretation
was
performed
through
fragment-based
(FBTD)
approach.
Such
interpretations
permitted
analysis
different
molecular
fragments
favorable
contributions
multi-strain
four
new
drug-like
molecules
using
building
blocks.
designed
predicted/confirmed
our
PTML
diverse
strains,
thus
representing
promising
chemotypes
be
considered
future
synthesis
testing
anti-S.
agents.
Conclusions:
This
work
envisages
applications
modeling
early
discovery
related
antimicrobial
research
areas.
Language: Английский
Experimental and computational studies of Schiff bases derived from 4-aminoantipyrine as potential antibacterial and anticancer agents
Deleted Journal,
Journal Year:
2025,
Volume and Issue:
7(2)
Published: Jan. 31, 2025
Abstract
Schiff
bases
are
organic
compounds
recognized
for
their
biological
activities,
including
antiviral,
antibacterial,
antifungal,
and
anticancer
properties,
making
them
promising
candidates
in
medicinal
chemistry.
In
this
studio,
a
series
of
3a
–
h
derived
from
4-aminoantipyrine
substituted
cinnamaldehydes
were
evaluated
vitro
against
liver
(HepG2)
thyroid
(THJ29T)
cancer
cells,
Gram-positive
Gram-negative
multidrug-resistant
bacteria,
biofilm-forming
pathogens.
Six
demonstrated
activity,
though
some
exhibited
toxicity
to
non-tumor
cells.
Compounds
3b
,
3f
3h
showed
notable
potential,
while
also
strong
antibacterial
effects,
with
being
the
most
effective
bacteria
strains.
These
inhibit
biofilm
formation,
suggesting
potential
treating
biofilm-related
infections.
In-silico
analyses
ADME
global
reactivity
descriptors,
binding
affinities
corroborated
these
findings.
The
base
has
affinity
DNA
gyrase
vitamin
D
receptor,
mechanisms
its
activities.
Language: Английский
Repurposing major metabolites of lamiaceae family as potential inhibitors of α-synuclein aggregation to alleviate neurodegenerative diseases: an in silico approach
Soham Bhattacharya,
No information about this author
Neha Gupta,
No information about this author
Adrish Dutta
No information about this author
et al.
Frontiers in Pharmacology,
Journal Year:
2025,
Volume and Issue:
16
Published: April 16, 2025
Neurodegenerative
disorders
(NDs)
are
typically
characterized
by
progressive
loss
of
neuronal
function
and
the
deposition
misfolded
proteins
in
brain
peripheral
organs.
They
molecularly
classified
based
on
specific
involved,
underscoring
critical
role
protein-processing
systems
their
pathogenesis.
Alpha-synuclein
(α-syn)
is
a
neural
protein
that
crucial
initiating
progressing
various
NDs
directly
or
indirectly
regulating
other
ND-associated
proteins.
Therefore,
reducing
α-syn
aggregation
can
be
an
excellent
option
for
combating
ND
initiation
progression.
This
study
presents
silico
phytochemical-based
approach
discovering
novel
neuroprotective
agents
from
bioactive
compounds
Lamiaceae
family,
highlighting
potential
computational
methods
such
as
functional
networking,
pathway
enrichment
analysis,
molecular
docking,
simulation
therapeutic
discovery.
Functional
network
analysis
established
direct
indirect
involvement
NDs.
Furthermore,
docking
interaction
studies
were
conducted
to
screen
85
major
family
against
aggregation.
The
results
showed
five
(α-copaene,
γ-eudesmol,
carnosol,
cedryl
acetate,
spathulenol)
had
high
binding
affinity
towards
with
inhibitory
activity
its
MD
simulations
validated
stability
interactions
determined
docking.
In
addition,
pharmacokinetic
underscores
promising
drug
candidates,
demonstrating
blood-brain
barrier
(BBB)
permeability,
bioactivity,
reduced
toxicity.
summary,
this
identifies
most
suitable
targeting
recommends
these
NDs,
pending
further
vitro
vivo
validation.
Language: Английский
Computational analysis of zoanthamine alkaloids from Zoanthus sp. as potential DKK1 and GSK-3β inhibitors for osteoporosis therapy via Wnt signaling
Ngoc-Thac Pham,
No information about this author
Huong-Giang Le,
No information about this author
Bo‐Rong Peng
No information about this author
et al.
Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: April 24, 2025
Marine
invertebrates
are
a
rich
source
of
structurally
diverse
secondary
metabolites
with
broad
biological
activities,
making
them
valuable
for
drug
discovery.
The
genus
Zoanthus
is
particularly
noteworthy,
producing
numerous
bioactive
alkaloids,
including
the
zoanthamines,
which
show
promise
in
treating
osteoporosis.
Osteoporosis,
debilitating
bone
disease
characterized
by
reduced
mineral
density
and
increased
fracture
risk,
linked
to
Wnt
signaling
pathway
dysregulation.
This
highly
conserved
maintains
tissue
homeostasis
crucial
neurogenesis,
synapse
formation,
development.
Dickkopf-1
(DKK1)
glycogen
synthase
kinase-3β
(GSK-3β),
key
regulators,
established
therapeutic
targets
study
employed
an
integrated
computational
approach-combining
molecular
docking,
extensive
dynamics
(MD)
simulations,
functional
theory
(DFT)
calculations-to
assess
inhibitory
potential
69
zoanthamine-type
alkaloids
against
DKK1
GSK-3β.
MD
analyzing
root
mean
square
deviation
(RMSD),
fluctuation
(RMSF),
radius
gyration,
free
energy
landscape,
provided
insights
into
protein-ligand
complex
stability
interactions.
Binding
energies
were
calculated
using
MM-PBSA
method
combined
interaction
entropy.
DFT
calculations
further
elucidated
electronic
structure
reactivity
most
promising
inhibitors
(3α-hydroxyzoanthenamine,
epioxyzoanthamine,
7α-hydroxykuroshine
E,
norzoanthamine),
exhibited
favorable
binding
interactions
residues
target
proteins.
integrative
approach
demonstrates
power
methods
discovery,
highlighting
zoanthamine
as
lead
compounds
innovative
osteoporosis
therapies.
Language: Английский