Cells,
Journal Year:
2025,
Volume and Issue:
14(7), P. 511 - 511
Published: March 29, 2025
Oxidative
stress
(OS)
is
an
established
hallmark
of
cancer
and
neurodegenerative
disorders
(NDDs),
which
contributes
to
genomic
instability
neuronal
loss.
This
review
explores
the
contrasting
role
OS
in
stem
cells
(CSCs)
NDDs.
Elevated
levels
reactive
oxygen
species
(ROS)
contribute
promote
tumor
initiation
progression
CSCs,
while
NDDs
such
as
Alzheimer’s
Parkinson’s
disease,
accelerates
death
impairs
cellular
repair
mechanisms.
Both
scenarios
involve
disruption
delicate
balance
between
pro-oxidant
antioxidant
systems,
leads
chronic
oxidative
stress.
Notably,
CSCs
neurons
display
alterations
redox-sensitive
signaling
pathways,
including
Nrf2
NF-κB,
influence
cell
survival,
proliferation,
differentiation.
Mitochondrial
dynamics
further
illustrate
these
differences:
enhanced
function
supports
adaptability
whereas
impairments
heighten
vulnerability.
Understanding
common
mechanisms
OS-induced
redox
imbalance
may
provide
insights
for
developing
interventions,
addressing
aging
hallmarks,
potentially
mitigating
or
preventing
both
International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(3), P. 1869 - 1869
Published: Jan. 18, 2023
Aging
is
the
most
prominent
risk
factor
for
late-onset
Alzheimer’s
disease.
associates
with
a
chronic
inflammatory
state
both
in
periphery
and
central
nervous
system,
evidence
thereof
mechanisms
leading
to
neuroinflammation
being
discussed.
Nonetheless,
significantly
enhanced
by
accumulation
of
amyloid
beta
accelerates
progression
disease
through
various
pathways
discussed
present
review.
Decades
clinical
trials
targeting
2
abnormal
proteins
disease,
tau,
led
many
failures.
As
such,
via
different
strategies
could
prove
valuable
therapeutic
strategy,
although
much
research
still
needed
identify
appropriate
time
window.
Active
focusing
on
identifying
early
biomarkers
help
translating
these
novel
from
bench
bedside.
Biomedicines,
Journal Year:
2023,
Volume and Issue:
11(4), P. 1161 - 1161
Published: April 12, 2023
The
role
of
metals
in
the
pathogenesis
Alzheimer’s
disease
(AD)
is
still
debated.
Although
previous
research
has
linked
changes
essential
metal
homeostasis
and
exposure
to
environmental
heavy
AD,
more
needed
determine
relationship
between
AD.
In
this
review,
we
included
human
studies
that
(1)
compared
concentrations
AD
patients
healthy
controls,
(2)
correlated
cerebrospinal
fluid
(CSF)
biomarkers
with
concentrations,
(3)
used
Mendelian
randomization
(MR)
assess
potential
contributions
risk.
many
have
examined
various
dementia
patients,
understanding
dynamics
these
remains
difficult
due
considerable
inconsistencies
among
results
individual
studies.
most
consistent
findings
were
for
Zn
Cu,
observing
a
decrease
levels
an
increase
Cu
patients.
However,
several
found
no
such
relation.
Because
few
biomarker
CSF
type
required.
Given
MR
revolutionizing
epidemiologic
research,
additional
include
participants
from
diverse
ethnic
backgrounds
causal
risk
are
critical.
International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(19), P. 14582 - 14582
Published: Sept. 26, 2023
Parkinson’s
disease
is
a
neurodegenerative
exhibiting
the
fastest
growth
in
incidence
recent
years.
As
with
most
diseases,
pathophysiology
incompletely
elucidated,
but
compelling
evidence
implicates
inflammation,
both
central
nervous
system
and
periphery,
initiation
progression
of
disease,
although
it
not
yet
clear
what
triggers
this
inflammatory
response
where
begins.
Gut
dysbiosis
seems
to
be
likely
candidate
for
systemic
inflammation.
The
therapies
current
use
provide
only
symptomatic
relief,
do
interfere
progression.
Nonetheless,
animal
models
have
shown
promising
results
that
target
various
vicious
neuroinflammatory
cascades.
Translating
these
therapeutic
strategies
into
clinical
trials
still
its
infancy,
series
issues,
such
as
exact
timing,
identifying
biomarkers
able
identify
early
pre-symptomatic
stages,
or
proper
indications
genetic
testing
population
at
large,
will
need
settled
future
guidelines.
Neuropsychiatric Disease and Treatment,
Journal Year:
2023,
Volume and Issue:
Volume 19, P. 647 - 660
Published: March 1, 2023
Background:
Many
clinical
trials
testing
Ginkgo
biloba
extract
EGb
761
in
patients
with
mild
forms
of
cognitive
impairment
were
conducted
before
widely
accepted
terms
and
diagnostic
criteria
for
such
conditions
available.
This
makes
it
difficult
to
compare
any
results
from
earlier
more
recent
trials.
The
objective
this
systematic
review
was
provide
a
descriptive
overview
who
met
the
neurocognitive
disorder
(mild
NCD)
according
Diagnostic
Statistical
Manual
Mental
Disorders,
fifth
edition
(DSM-5).
Methods:
MEDLINE,
PubMed
EMBASE
searched
randomized,
placebo-controlled
double-blind
functioning.
All
involving
retrospectively
applied
NCD
included.
Trials
primary
prevention
dementia
combinations
medical
treatments
excluded.
Results:
Among
298
records
found
databases
76
further
related
references
reviews,
9
reports
on
946
pre-specified
inclusion.
Beneficial
effects
seen
neuropsychological
tests
(8
studies),
scales
neuropsychiatric
symptoms
(3
3
geriatric
rating
(1
2
studies)
global
ratings
change
1
study).
Significant
several
domains
cognition
(memory,
speed
processing,
attention
executive
functioning).
symptoms,
depression
(2
anxiety
study)
significantly
improved.
No
differences
between
treatment
placebo
regard
rates
adverse
events.
Discussion:
included
studies
demonstrate
benefits
761,
mainly
deficits
NCD.
drug
safe
well
tolerated.
Keywords:
,
disorder,
NCD,
impairment,
Antioxidants,
Journal Year:
2024,
Volume and Issue:
13(7), P. 862 - 862
Published: July 18, 2024
Alzheimer’s
disease
(AD)
is
a
progressive
neurodegenerative
disorder
that
comprises
amyloid-beta
protein
(Aβ)
as
main
component
of
neuritic
plaques.
Its
deposition
considered
trigger
for
AD
pathogenesis,
progression,
and
the
clinical
symptoms
cognitive
impairment.
Some
distinct
pathological
features
include
phosphorylation
tau
protein,
oxidative
stress,
mitochondrial
dysfunction.
These
consequences
tend
to
produce
reactive
oxygen
species
(ROS),
resulting
in
dysregulation
various
signaling
pathways
neuroinflammation
neurodegeneration.
The
relationship
between
Aβ
cascade
stress
pathogenesis
like
“chicken
egg”
story,
with
etiology
regarding
these
two
factors
remaining
question
“which
comes
first.”
However,
this
review,
we
have
tried
our
best
clarify
interconnection
mechanisms
show
precise
cause-and-effect
relationship.
Based
on
above
hallmarks
AD,
several
therapeutic
strategies
using
natural
antioxidants,
monoclonal
antibodies,
vaccines
are
employed
anti-Aβ
therapy
decrease
ROS,
burden,
chronic
neuroinflammation,
synaptic
failure.
antioxidants
immunotherapeutics
demonstrated
significant
neuroprotective
effects
symptomatic
relief
vitro
vivo
models,
well
trials
AD.
none
them
received
final
approval
enter
drug
market
mitigating
In
extensively
elaborate
pitfalls,
assurances,
important
crosstalk
concerning
current
therapy.
Additionally,
discuss
future
development
more
Aβ-targeted
approaches
optimization
treatment
mitigation.