Pharmaceuticals,
Journal Year:
2024,
Volume and Issue:
17(7), P. 830 - 830
Published: June 25, 2024
Acetylcholinesterase
(AChE)
is
one
of
the
main
drug
targets
for
treating
Alzheimer’s
disease.
This
current
study
relies
on
multiple
molecular
modeling
approaches
to
develop
new
potent
inhibitors
AChE.
We
explored
a
2D
QSAR
using
statistical
method
linear
regression
based
set
substituted
5-phenyl-1,3,4-oxadiazole
and
N-benzylpiperidine
analogs,
which
were
recently
synthesized
proved
their
inhibitory
activities
against
acetylcholinesterase
(AChE).
The
descriptors,
polar
surface
area,
dipole
moment,
weight
are
key
structural
properties
governing
AChE
inhibition
activity.
MLR
model
was
selected
its
parameters:
R2
=
0.701,
R2test
0.76,
Q2CV
0.638,
RMSE
0.336,
demonstrating
predictive
reliability.
Randomization
tests,
VIF
applicability
domain
tests
adopted
verify
model’s
robustness.
As
result,
11
molecules
designed
with
higher
anti-Alzheimer’s
than
molecule.
demonstrated
improved
pharmacokinetic
through
an
in
silico
ADMET
study.
A
docking
conducted
explore
mechanisms
binding
affinities
active
site.
scores
compounds
M1,
M2,
M6
(−12.6
kcal/mol),
(−13
(−12.4
respectively,
standard
inhibitor
Donepezil
score
(−10.8
kcal/mol).
Molecular
dynamics
simulations
over
100
ns
used
validate
results,
indicating
that
M1
M2
remain
stable
site,
confirming
potential
as
promising
anti-AChE
inhibitors.
International Journal of Molecular Sciences,
Journal Year:
2022,
Volume and Issue:
23(11), P. 5954 - 5954
Published: May 25, 2022
Neurotransmitters
are
molecules
that
amplify,
transmit,
and
convert
signals
in
cells,
having
an
essential
role
information
transmission
throughout
the
nervous
system.
Hundreds
of
such
chemicals
have
been
discovered
last
century,
continuing
to
be
identified
studied
concerning
their
action
on
brain
health.
These
substances
observed
influence
numerous
functions,
including
emotions,
thoughts,
memories,
learning,
movements.
Thus,
disturbances
neurotransmitters'
homeostasis
started
being
correlated
with
a
plethora
neurological
neurodegenerative
disorders.
In
this
respect,
present
paper
aims
describe
most
important
neurotransmitters,
broadly
classified
into
canonical
(e.g.,
amino
acids,
monoamines,
acetylcholine,
purines,
soluble
gases,
neuropeptides)
noncanonical
neurotransmitters
exosomes,
steroids,
D-aspartic
acid),
explain
link
some
relevant
conditions.
Moreover,
brief
overview
recently
developed
detection
methods
is
offered,
followed
by
several
considerations
modulation
these
towards
restoring
homeostasis.
Signal Transduction and Targeted Therapy,
Journal Year:
2024,
Volume and Issue:
9(1)
Published: Aug. 23, 2024
Abstract
Alzheimer’s
disease
(AD)
stands
as
the
predominant
form
of
dementia,
presenting
significant
and
escalating
global
challenges.
Its
etiology
is
intricate
diverse,
stemming
from
a
combination
factors
such
aging,
genetics,
environment.
Our
current
understanding
AD
pathologies
involves
various
hypotheses,
cholinergic,
amyloid,
tau
protein,
inflammatory,
oxidative
stress,
metal
ion,
glutamate
excitotoxicity,
microbiota-gut-brain
axis,
abnormal
autophagy.
Nonetheless,
unraveling
interplay
among
these
pathological
aspects
pinpointing
primary
initiators
require
further
elucidation
validation.
In
past
decades,
most
clinical
drugs
have
been
discontinued
due
to
limited
effectiveness
or
adverse
effects.
Presently,
available
primarily
offer
symptomatic
relief
often
accompanied
by
undesirable
side
However,
recent
approvals
aducanumab
(
1
)
lecanemab
2
Food
Drug
Administration
(FDA)
present
potential
in
disrease-modifying
Nevertheless,
long-term
efficacy
safety
need
Consequently,
quest
for
safer
more
effective
persists
formidable
pressing
task.
This
review
discusses
pathogenesis,
advances
diagnostic
biomarkers,
latest
updates
trials,
emerging
technologies
drug
development.
We
highlight
progress
discovery
selective
inhibitors,
dual-target
allosteric
modulators,
covalent
proteolysis-targeting
chimeras
(PROTACs),
protein-protein
interaction
(PPI)
modulators.
goal
provide
insights
into
prospective
development
application
novel
drugs.
Aging and Disease,
Journal Year:
2023,
Volume and Issue:
unknown
Published: Aug. 8, 2023
Alzheimer's
disease
(AD)
is
a
prevalent
neurodegenerative
characterized
by
both
amnestic
and
non-amnestic
clinical
manifestations.
It
accounts
for
approximately
60-70%
of
all
dementia
cases
worldwide.
With
the
increasing
number
AD
patients,
elucidating
underlying
mechanisms
developing
corresponding
interventional
strategies
are
necessary.
Hypotheses
about
such
as
amyloid
cascade,
Tau
hyper-phosphorylation,
neuroinflammation,
oxidative
stress,
mitochondrial
dysfunction,
cholinergic,
vascular
hypotheses
not
mutually
exclusive,
them
play
certain
role
in
development
AD.
The
cascade
hypothesis
currently
most
widely
studied;
however,
other
also
gaining
support.
This
article
summarizes
recent
evidence
regarding
major
pathological
their
potential
interplay,
well
strengths
weaknesses
each
implications
effective
treatments.
could
stimulate
further
studies
promote
more
therapeutic
Frontiers in Pharmacology,
Journal Year:
2024,
Volume and Issue:
15
Published: May 24, 2024
Alois
Alzheimer
described
the
first
patient
with
Alzheimer’s
disease
(AD)
in
1907
and
today
AD
is
most
frequently
diagnosed
of
dementias.
a
multi-factorial
neurodegenerative
disorder
familial,
life
style
comorbidity
influences
impacting
global
population
more
than
47
million
projected
escalation
by
2050
to
exceed
130
million.
In
USA
demographic
encompasses
approximately
six
individuals,
expected
increase
surpass
13
2050,
antecedent
phase
AD,
recognized
as
mild
cognitive
impairment
(MCI),
involves
nearly
12
individuals.
The
economic
outlay
for
management
AD-related
decline
estimated
at
355
billion
USD.
addition,
intensifying
prevalence
cases
countries
modest
intermediate
income
further
enhances
urgency
therapeutically
cost-effective
treatments
improving
quality
patients
their
families.
This
narrative
review
evaluates
pathophysiological
basis
an
initial
focus
on
therapeutic
efficacy
limitations
existing
drugs
that
provide
symptomatic
relief:
acetylcholinesterase
inhibitors
(AChEI)
donepezil,
galantamine,
rivastigmine,
N-methyl-D-aspartate
receptor
(NMDA)
allosteric
modulator,
memantine.
hypothesis
amyloid-β
(Aβ)
tau
are
appropriate
targets
have
potential
halt
progress
critically
analyzed
particular
clinical
trial
data
anti-Aβ
monoclonal
antibodies
(MABs),
namely,
aducanumab,
lecanemab
donanemab.
challenges
dogma
targeting
Aβ
will
benefit
majority
subjects
MABs
unlikely
be
“magic
bullet”.
A
comparison
benefits
disadvantages
different
classes
forms
determining
new
directions
research
alternative
drug
undergoing
pre-clinical
assessments.
we
discuss
stress
importance
treatment
co-morbidities,
including
hypertension,
diabetes,
obesity
depression
known
risk
developing
AD.
Molecular Brain,
Journal Year:
2024,
Volume and Issue:
17(1)
Published: July 17, 2024
Abstract
Alzheimer’s
disease
(AD)
is
a
degenerative
neurological
condition
that
gradually
impairs
cognitive
abilities,
disrupts
memory
retention,
and
impedes
daily
functioning
by
impacting
the
cells
of
brain.
A
key
characteristic
AD
accumulation
amyloid-beta
(Aβ)
plaques,
which
play
pivotal
roles
in
progression.
These
plaques
initiate
cascade
events
including
neuroinflammation,
synaptic
dysfunction,
tau
pathology,
oxidative
stress,
impaired
protein
clearance,
mitochondrial
disrupted
calcium
homeostasis.
Aβ
also
closely
associated
with
other
hallmark
features
AD,
underscoring
its
significance.
generated
through
cleavage
amyloid
precursor
(APP)
plays
dual
role
depending
on
processing
pathway.
The
non-amyloidogenic
pathway
reduces
production
has
neuroprotective
anti-inflammatory
effects,
whereas
amyloidogenic
leads
to
peptides,
Aβ40
Aβ42,
contribute
neurodegeneration
toxic
effects
AD.
Understanding
multifaceted
Aβ,
particularly
crucial
for
developing
effective
therapeutic
strategies
target
metabolism,
aggregation,
clearance
aim
mitigating
detrimental
consequences
disease.
This
review
aims
explore
mechanisms
functions
under
normal
abnormal
conditions,
examining
both
beneficial
effects.
Trends in Pharmacological Sciences,
Journal Year:
2022,
Volume and Issue:
43(12), P. 1098 - 1112
Published: Oct. 20, 2022
Modern
interest
in
muscarinic
acetylcholine
receptor
(mAChR)
activators
for
schizophrenia
began
the
1990s
when
xanomeline,
an
M1/M4-preferring
mAChR
agonist
developed
cognitive
symptoms
of
Alzheimer's
disease
(AD),
had
unexpected
antipsychotic
activity.
However,
strategies
to
address
tolerability
concerns
associated
with
activation
peripheral
mAChRs
were
not
available
at
that
time.
The
discovery
specific
targeted
ligands
and
combination
treatments
reduce
engagement
have
advanced
potential
as
effective
psychotic
disorders.
This
review
provides
perspectives
on
background
identification
antipsychotics,
advances
preclinical
understanding
targets,
current
state
under
active
clinical
development
schizophrenia.