Chemistry,
Journal Year:
2024,
Volume and Issue:
6(6), P. 1645 - 1657
Published: Dec. 16, 2024
Cholinesterases
are
enzymes
that
break
down
the
neurotransmitter
acetylcholine
in
nervous
system.
The
two
main
types
acetylcholinesterase
(AChE)
and
butyrylcholinesterase
(BChE).
AChE
inhibitors
used
to
treat
Alzheimer’s
disease
by
increasing
levels.
BChE
activity
increases
later
stages
of
Alzheimer’s,
suggesting
it
might
contribute
disease.
In
previous
experiments,
was
found
a
newly
designed
hybrid
galantamine
(GAL)
curcumin
(CCN)
(compound
4b)
decreases
murine
brain
homogenates.
Here,
we
explore
this
observation
using
molecular
dynamics
simulations.
GAL
CCN
were
also
studied
for
comparison.
structures
complexes
between
ligands
predicted
docking.
Then,
simulations
performed
evaluate
stability
interactions
enzyme
over
simulated
time
1
μs.
All
three
formed
stable
with
BChE.
Compound
4b
more
hydrogen
bonds
other
compared
CCN,
stronger
binding
affinity.
explain
its
superior
anti-BChE
observed
experiments.
BMC Chemistry,
Journal Year:
2025,
Volume and Issue:
19(1)
Published: April 15, 2025
Alzheimer's
disease
(AD)
remains
a
significant
public
health
challenge
due
to
its
progressive
cognitive
impairment
and
the
absence
of
proven
treatments.
In
this
study,
several
novel
1,2,3-triazole-methoxyphenyl-1,3,4-oxadiazole
derivatives
were
synthesized
evaluated
for
their
ability
inhibit
key
enzymes
associated
with
AD:
acetylcholinesterase
(AChE)
butyrylcholinesterase
(BChE).
Structure-activity
relationship
(SAR)
analysis
revealed
that
featuring
electron-withdrawing
groups,
particularly
nitro
fluorine
substituents,
exhibited
remarkable
inhibitory
activity
against
BChE
while
showing
minimal
effectiveness
AChE.
Among
these,
compound
13s
(R
=
4-CH3,
R'
4-NO2)
demonstrated
highest
potency,
selectively
targeting
an
IC50
value
11.01
µM.
Molecular
docking
molecular
dynamics
(MD)
simulations
provided
deeper
insights
into
favorable
interactions
between
these
compounds
BChE.
Additionally,
cytotoxicity
studies
confirmed
active
compound's
limited
toxicity
toward
normal
cells,
indicating
promising
therapeutic
profile.
These
findings
suggest
selective
anti-BChE
hold
potential
consideration
in
later
stages
AD
treatment.
Frontiers in Chemistry,
Journal Year:
2025,
Volume and Issue:
13
Published: April 4, 2025
Background
Ayurveda
is
an
ancient
Indian
medicinal
system
that
uses
plants
for
their
neuroprotective
effects.
claims
the
(
C.
halicacabum
)
leaves
possess
significant
properties.
Alzheimer’s
characterized
by
accumulation
of
amyloid-β,
acetylcholinesterase,
and
tau
tangles
interfere
with
neural
transmission
impair
cognitive
abilities.
Objectives
This
study
aimed
to
identify
novel
potential
anti-Alzheimer
phytoconstituents
using
in
silico
methods.
Methods
utilized
Box–Behnken
design
within
response
surface
methodology
(RSM)
optimize
combine
effects
process
variables,
namely
powder
weight,
solvent
volume,
extraction
time,
on
microwave-assisted
(MAE)
leaves.
The
optimization
revealed
these
along
microwave
usage,
significantly
influenced
yield.
ethanolic
extract
was
examined
gas
chromatography-mass
spectrometry
(GC–MS)
analysis,
identified
were
further
analyzed
through
computer-based
simulations,
including
docking,
absorption,
distribution,
metabolism,
excretion,
toxicity
(ADMET)
studies,
assessment
drug-likeness,
molecular
dynamics,
LigPlot
density
functional
theory
(DFT)
analysis.
Results
Gas
(GC-MS)
analysis
40
37
successfully
characterized.
Molecular
docking
dynamics
simulations
two
lead
compounds,
acetic
acid
(dodecahydro-7-hydroxy-1,4b,8,8-tetramethyl-10-oxo-2(1H)-phenanthrenylidene)-,2-(dimethylamino)ethyl
ester,
[1R-(1.
alpha)],
1-(2-hydroxyethoxy)-2-methyldodecane,
which
exhibited
superior
stability
docked
complex
compared
galantamine.
Conclusion
Based
computational
predictions
observed
pharmacological
properties,
findings
suggest
may
have
therapeutic
against
selected
AD
targets.
Medicinal Research Reviews,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 5, 2025
ABSTRACT
Photopharmacology
is
an
innovative
approach
that
uses
light
to
activate
drugs.
This
method
offers
the
potential
for
highly
localized
and
precise
drug
activation,
making
it
particularly
promising
treatment
of
neurological
disorders.
Despite
enticing
prospects
photopharmacology,
its
application
treat
human
central
nervous
system
(CNS)
diseases
remains
be
demonstrated.
In
this
review,
we
provide
overview
prominent
strategies
design
activation
photopharmaceutical
agents
in
field
neuroscience.
Photocaged
photoswitchable
drugs
bioactive
molecules
are
discussed,
instructive
list
examples
provided
highlight
compound
strategies.
Special
emphasis
placed
on
photoactivatable
compounds
modulation
glutamatergic,
GABAergic,
dopaminergic,
serotonergic
neurotransmission
conditions,
as
well
various
photoresponsive
with
improved
pain
management.
Compounds
holding
promise
clinical
translation
discussed
in‐depth
their
future
applications
assessed.
Neurophotopharmaceuticals
have
yet
achieve
breakthrough
clinic,
both
delivery
not
reached
full
maturity.
However,
by
describing
current
state
art
providing
illustrative
case
studies,
offer
a
perspective
opportunities
neurophotopharmacology
focused
addressing
CNS
Molecules,
Journal Year:
2025,
Volume and Issue:
30(10), P. 2093 - 2093
Published: May 8, 2025
Butyrylcholinesterase
(BChE),
plays
a
critical
role
in
alleviating
the
symptoms
of
Alzheimer’s
disease
(AD)
by
regulating
acetylcholine
levels,
emerging
as
an
attractive
target
for
AD
treatment.
This
study
employed
quantitative
structure–activity
relationship
(QSAR)
model
based
on
ECFP4
molecular
fingerprints
with
several
machine
learning
algorithms
(XGBoost,
RF,
SVM,
KNN),
among
which
XGBoost
showed
best
performance
(AUC
=
0.9740).
A
hybrid
strategy
integrating
ligand-
and
structure-based
virtual
screening
identified
12
hits
from
Topscience
core
database,
three
were
first
time.
Among
them,
piboserod
Rotigotine
demonstrated
BChE
inhibitory
potency
(IC50
15.33
μM
12.76
μM,
respectively)
exhibited
favorable
safety
profiles
well
neuroprotective
effects
vitro.
Notably,
Rotigotine,
marketed
drug,
was
newly
recognized
its
anti-AD
potential,
further
enzyme
kinetic
analyses
revealing
that
it
acts
mixed-type
inhibitor
non-competitive
mode.
Fluorescence
spectroscopy,
docking,
dynamics
simulations
clarified
their
binding
modes
stability.
provides
innovative
discovery
inhibitors,
not
only
identifies
promising
drug
candidates
treatment
but
also
demonstrates
potential
discovery.