Journal of Biomolecular Structure and Dynamics,
Год журнала:
2024,
Номер
unknown, С. 1 - 19
Опубликована: Фев. 6, 2024
Streptomyces
spp.
are
considered
excellent
reservoirs
of
natural
bioactive
compounds.
The
study
evaluated
the
potential
secondary
metabolites
from
sp.
strain
130
through
PKS-I
and
NRPS
gene-clusters
screening.
GC-MS
analysis
was
done
for
metabolic
profiling
compounds
in
next
set
experiments.
Identified
antifungal
underwent
ADMET
analyses
to
screen
their
toxicity.
All
compounds'
molecular
docking
with
structural
gene
products
aflatoxin
biosynthetic
pathway
Aspergillus
flavus.
MD
simulations
were
utilized
evaluate
stability
protein-ligand
complexes
under
physiological
conditions.
Based
on
in-silico
studies,
compound
2,4-di-tert
butyl-phenol
(DTBP)
selected
in-vitro
studies
against
Simultaneously,
extracted
two
different
solvents
(ethyl-acetate
methanol)
used
similar
assays.
MIC
value
DTBP
found
be
314
µg/mL,
whereas
ethyl-acetate
extract
methanol-extract,
it
250
350
respectively.
A
mycelium
growth
assay
analyze
effect
compounds/extracts
formation
In
agar
diffusion
assay,
zone
inhibitions
DTBP,
extract,
methanol
observed
diameters
11.3,
13.3,
7.6
mm,
curve
treated
samples
have
delayed
fungi,
which
signified
that
a
fungistatic
nature.
Spot
has
determined
fungal
sensitivity
sub-minimum
inhibitory
concentration
study's
results
suggested
can
exploited
antifungal-drug
development.
Molecules,
Год журнала:
2024,
Номер
29(2), С. 305 - 305
Опубликована: Янв. 6, 2024
Isoxazolidine
derivatives
were
designed,
synthesized,
and
characterized
using
different
spectroscopic
techniques
elemental
analysis
then
evaluated
for
their
ability
to
inhibit
both
α-amylase
α-glucosidase
enzymes
treat
diabetes.
All
synthesized
demonstrated
a
varying
range
of
activity,
with
IC
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Янв. 2, 2024
Abstract
Belonging
to
the
Fabaceae
family,
Dalbergia
sissoo
,
a
versatile
plant,
has
gained
prominence
for
its
potent
medicinal
attributes,
especially
antipyretic,
anti-inflammatory,
and
cardioprotective
properties,
as
well
use
of
leaf
juice
in
cancer
treatment.
Despite
these
recognized
applications
by
natives
tribals,
comprehensive
insight
into
biological
activities
chemical
composition
remains
limited.
This
study
aimed
explore
cytotoxic
potential
sequentially
extracted
extracts
from
using
various
solvents,
aiming
unveil
array
phytochemicals
through
LC–MS
profiling.
Among
evaluated,
extract
employing
methanol:water
extracting
media
(HN-2)
appeared
with
most
remarkable
results
both
phytochemical
diversity
activity.
Furthermore,
vitro
HN-2's
anticancer
efficacy
were
confirmed
silico
molecular
docking
dynamics
simulation.
These
analyses
demonstrated
ability
inhibit
C-ABL
kinase
within
leukemia
K562
cells,
directing
that
leaves
serve
bioactive
agent
reservoir.
Consequently,
this
suggests
plant
is
source
compounds
can
be
used
precursor
developing
new
inhibitors,
mainly
targeting
leukemia.
International Journal of Molecular Sciences,
Год журнала:
2025,
Номер
26(1), С. 315 - 315
Опубликована: Янв. 1, 2025
Eumycetoma,
a
chronic
fungal
infection
caused
by
Madurella
mycetomatis,
is
neglected
tropical
disease
characterized
tumor-like
growths
that
can
lead
to
permanent
disability
and
deformities
if
untreated.
Predominantly
affecting
regions
in
Africa,
South
America,
Asia,
it
imposes
significant
physical,
social,
economic
burdens.
Current
treatments,
including
antifungal
drugs
like
itraconazole,
often
show
variable
efficacy,
with
severe
cases
necessitating
surgical
intervention
or
amputation.
Drug
discovery
for
eumycetoma
faces
challenges
due
limited
understanding
of
the
disease’s
molecular
mechanisms
lack
3D
structures
key
targets
such
as
mycetomatis
CYP51,
well-known
target
azoles’
agents.
To
address
these
challenges,
this
study
employed
computational
approaches,
homology
modeling,
virtual
screening,
free
energy
calculations,
dynamics
simulations,
repurpose
FDA-approved
potential
treatments
targeting
CYP51.
end,
library
2619
was
screened,
identifying
three
promising
candidates:
montelukast,
vilanterol,
lidoflazine.
These
compounds
demonstrated
favorable
binding
affinities,
strong
interactions
critical
residues
model
stability
offering
further
investigation
effective
therapeutic
options
eumycetoma.
Pharmaceuticals,
Год журнала:
2025,
Номер
18(1), С. 126 - 126
Опубликована: Янв. 18, 2025
Background/Objectives:
Fructose-driven
metabolic
disorders,
such
as
obesity,
non-alcoholic
fatty
liver
disease
(NAFLD),
dyslipidemia,
and
type
2
diabetes,
are
significant
global
health
challenges.
Ketohexokinase
C
(KHK-C),
a
key
enzyme
in
fructose
metabolism,
is
promising
therapeutic
target.
α-Mangostin,
naturally
occurring
prenylated
xanthone,
has
been
identified
an
effective
KHK-C
inhibitor,
prompting
exploration
of
its
analogs
for
enhanced
efficacy.
This
study
aimed
to
identify
α-Mangostin
with
improved
inhibitory
properties
against
address
these
disorders.
Methods:
A
library
1383
was
compiled
from
chemical
databases
the
literature.
Molecular
docking,
binding
free
energy
calculations,
pharmacokinetic
assessments,
molecular
dynamics
simulations,
quantum
mechani–cal
analyses
were
used
screen
evaluate
compounds.
α-Mangostin’s
affinity
(37.34
kcal/mol)
served
benchmark.
Results:
Sixteen
demonstrated
affinities
superior
(from
−45.51
−61.3
kcal/mol),
LY-3522348
(−45.36
reported
marine-derived
inhibitors
−22.74
−51.83
kcal/mol).
Hits
7,
8,
9,
13,
15
not
only
surpassed
benchmarks
affinity,
but
also
exhibited
compared
LY-3522348,
inhibitors,
indicating
strong
vivo
potential.
Among
these,
hit
8
emerged
best
performer,
achieving
−61.30
kcal/mol,
100%
predicted
oral
absorption,
stability,
stable
dynamics.
Conclusions:
Hit
most
candidate
due
favorable
pharmacokinetics,
interactions
KHK-C.
These
findings
highlight
potential
treating
fructose-driven
warranting
further
experimental
validation.
Frontiers in Pharmacology,
Год журнала:
2025,
Номер
16
Опубликована: Апрель 7, 2025
Excessive
fructose
consumption
is
a
significant
driver
of
metabolic
disorders,
including
obesity,
diabetes,
non-alcoholic
fatty
liver
disease
and
steatohepatitis
primarily
by
promoting
insulin
resistance
fat
accumulation.
Ketohexokinase
C
(KHK-C),
pivotal
enzyme
in
metabolism,
catalyzes
the
phosphorylation
to
fructose-1-phosphate,
initiating
cascade
downstream
processes.
In
contrast
glucose
KHK-C
lacks
negative
feedback
regulation,
allowing
continuous
fructose,
which
leads
heightened
levels
glucose,
glycogen,
triglycerides
bloodstream
liver.
While
targeting
offers
promising
therapeutic
avenue,
no
drugs
have
yet
been
approved
for
clinical
use.
Pfizer's
PF-06835919
has
progressed
phase
II
trials,
demonstrating
reduction
improved
sensitivity,
while
Eli
Lilly's
LY-3522348
also
shows
potential.
Nonetheless,
there
remains
critical
need
development
novel
inhibitors
that
offer
pharmacokinetics,
enhanced
efficacy,
superior
safety
profiles.
present
study,
comprehensive
computational
strategy
was
employed
screen
460,000
compounds
from
National
Cancer
Institute
library
potential
inhibitors.
Initially,
pharmacophore-based
virtual
screening
used
identify
hits,
followed
multi-level
molecular
docking,
binding
free
energy
estimation,
pharmacokinetic
analysis,
dynamics
(MD)
simulations
further
evaluate
compounds.
This
multi-step
approach
aimed
with
strong
affinity,
favorable
profiles,
high
efficacy
as
Ten
exhibited
docking
scores
ranging
-7.79
-9.10
kcal/mol,
surpassing
those
currently
undergoing
(-7.768
kcal/mol)
(-6.54
kcal/mol).
Their
calculated
energies
ranged
-57.06
-70.69
their
superiority
over
(-56.71
(-45.15
ADMET
profiling
refined
selection
five
(1,
2,
4-6),
identified
compound
2
most
stable
candidate
compared
PF-06835919.
These
findings
highlight
potent
inhibitor
predicted
pharmacokinetics
toxicity
profiles
supporting
its
treating
fructose-driven
warranting
validation.
Pharmaceuticals,
Год журнала:
2025,
Номер
18(4), С. 598 - 598
Опубликована: Апрель 20, 2025
Background/Objectives:
Eumycetoma,
caused
by
Madurella
mycetomatis,
is
a
chronic
fungal
infection
with
limited
treatment
options
and
increasing
drug
resistance.
CYP51,
key
enzyme
in
ergosterol
biosynthesis,
well-established
target
for
azole
antifungals.
However,
existing
drugs
demonstrate
efficacy
treating
eumycetoma.
Microbial-based
natural
products,
their
structural
diversity
bioactivity,
offer
promising
source
novel
CYP51
inhibitors.
This
study
aimed
to
identify
potential
mycetomatis
inhibitors
from
microbial
products
using
molecular
docking,
MM-GBSA
calculations,
ADMET
analysis,
dynamics
(MD)
simulations.
Methods:
Virtual
screening
was
conducted
on
library
of
microbial-based
an
in-house
homology
model
itraconazole
as
the
reference
drug.
The
top
compounds
initial
docking
were
refined
through
Standard
Extra
Precision
docking.
calculations
assessed
binding
affinities,
analysis
evaluated
drug-like
properties.
Compounds
favorable
properties
underwent
MD
Results:
computational
investigations
identified
34
better
scores
affinity
than
itraconazole.
Of
these,
9
interacted
heme
group
residues
active
site
CYP51.
In
silico
pharmacokinetic
profiling
3
candidates,
simulations
confirmed
Conclusions:
highlights
microbial-derived
particularly
monacyclinone
G,
H,
I,
candidates
inhibition,
eumycetoma,
requiring
further
experimental
validation.
SAR and QSAR in environmental research,
Год журнала:
2024,
Номер
35(10), С. 837 - 875
Опубликована: Окт. 2, 2024
Human
aldehyde
dehydrogenases
(ALDHs)
are
a
group
of
19
isoforms
often
overexpressed
in
cancer
stem
cells
(CSCs).
These
enzymes
play
critical
roles
CSC
protection,
maintenance,
progression,
therapeutic
resistance,
and
poor
prognosis.
Thus,
targeting
ALDH
offers
potential
for
innovative
treatments.
Flavonoids,
known
their
ability
to
affect
multiple
cancer-related
pathways,
have
shown
anticancer
activity
by
downregulating
specific
isoforms.
This
study
aimed
evaluate
830
flavonoids
from
the
PubChem
database
against
five
(ALDH1A1,
ALDH1A2,
ALDH1A3,
ALDH2,
ALDH3A1)
using
computational
methods
identify
potent
inhibitors.
Extra
precision
(XP)
Glide
docking
MM-GBSA
free
binding
energy
calculations
identified
several
with
high
affinities.
MD
simulation
highlighted
1,
2,
18,
27,
42
as
inhibitors
each
isoform,
respectively.
Flavonoid
10
showed
affinities
ALDH3A1,
emerging
multi-ALDH
inhibitor.
ADMET
property
evaluation
indicated
that
promising
hits
acceptable
drug-like
profiles,
but
further
optimization
is
needed
enhance
efficacy
reduce
toxicity,
making
them
more
effective
future
treatment.
International Journal of Molecular Sciences,
Год журнала:
2024,
Номер
25(19), С. 10779 - 10779
Опубликована: Окт. 7, 2024
Cancer
poses
a
substantial
global
health
challenge,
driving
the
need
for
innovative
therapeutic
solutions
that
offer
improved
effectiveness
and
fewer
side
effects.
Topoisomerase
I
(Topo
I)
has
emerged
as
validated
molecular
target
in
pursuit
of
developing
anticancer
drugs
due
to
its
critical
role
DNA
replication
transcription.
(+)-Pancratistatin
(PST),
naturally
occurring
compound
found
various
Amaryllidaceae
plants,
exhibits
promising
properties
by
inhibiting
Topo
activity.
However,
clinical
utility
is
hindered
issues
related
limited
chemical
availability
aqueous
solubility.
To
address
these
challenges,
modelling
techniques,
including
virtual
screening,
docking,
mechanics
with
generalised
born
surface
area
solvation
(MM-GBSA)
calculations,
dynamics
simulations
were
utilised
evaluate
binding
interactions
energetics
PST
analogues
I,
comparing
them
well-known
inhibitor,
Camptothecin.
Among
compounds
screened
this
study,
nitrogenated
most
encouraging
drug
candidates,
exhibiting
affinities,
favourable
active
site
stability
protein-ligand
complex.
Structural
analysis
pinpointed
key
determinants
responsible
heightened
potency
analogues,
shedding
light
on
essential
structural
modifications
increased
Moreover,
silico
absorption,
distribution,
metabolism,
excretion,
toxicity
(ADMET)
predictions
highlighted
drug-like
reduced
profiles
prominent
further
supporting
their
potential
effective
agents.
In
summary,
screening
study
underscores
significance
nitrogenation
augmenting
efficacy
targeting
I.
The
identified
lead
exhibit
significant
subsequent
experimental
validation
optimisation,
thus
facilitating
development
novel
efficacious
therapeutics
enhanced
pharmacological
profiles.
Journal of Biomolecular Structure and Dynamics,
Год журнала:
2023,
Номер
42(23), С. 12788 - 12805
Опубликована: Окт. 30, 2023
The
present
investigation
of
minutiae
to
acquire
structural
information
the
novel
pyrazole-coumarin
hybrids
(PC1-PC10)
synthesized
using
ultrasound
methods
and
characterized
different
spectroscopic
techniques:
mass,
1H-NMR,
13
C-NMR
IR
spectroscopy,
theoretically
explored
DFT
approach
with
a
B3LYP/6–311G
(d,
p)
basis
set,
there
in
vitro,
antagonistic
efficacy
against
α-amylase
mycobacterium-TB
H37Rv
are
described
this
article.
Pyrazole-coumarin
showed
inhibition
ranging
from
IC50
(0.32–0.58
mM)
when
compared
acarbose
(IC50
=
0.34
mM).
Similarly,
Mycobacterium-TB
strain
screening
MIC
values
62.5
1000
µg/mL
rifampicin
isoniazid
0.25
0.20
µg/mL,
respectively.
Molecular
docking
MD
simulation
studies
were
performed
determine
active
sites
rationalize
activities
compounds.
To
investigate
binding
conformation
dynamics
responsible
for
their
activity,
three
most
compounds
(PC1,
PC3
PC6)
docked
into
porcine
pancreatic
site
(PDB
ID:1OSE),
ID:
4TZK).
interactions
between
PC1,
PC3,
PC6
like
those
inhibiting
by
acarbose.
Also,
residues
standard
rifampicin.