Experimental Gerontology,
Journal Year:
2024,
Volume and Issue:
194, P. 112497 - 112497
Published: June 27, 2024
The
gut
microbiome
plays
a
crucial
role
in
host
health
throughout
the
lifespan
by
influencing
brain
function
during
aging.
microbial
diversity
of
human
decreases
aging
process
and,
as
consequence,
several
mechanisms
increase,
such
oxidative
stress,
mitochondrial
dysfunction,
inflammatory
response,
and
dysbiosis.
Moreover,
evidence
indicates
that
neurodegeneration
are
closely
related;
consequently,
may
serve
novel
marker
elderly.
In
this
narrative
study,
we
investigated
how
changes
composition
occur
influence
to
various
neuropathological
disorders,
mild
cognitive
impairment
(MCI),
dementia,
Alzheimer's
disease
(AD),
Parkinson's
(PD);
which
possible
govern
relationship
between
impairment.
addition,
studies
suggest
be
potential
target
improve
hallmarks
promote
healthy
cognition;
therefore,
current
future
therapeutic
interventions
have
been
also
reviewed.
Archives of Toxicology,
Journal Year:
2023,
Volume and Issue:
97(10), P. 2499 - 2574
Published: Aug. 19, 2023
Abstract
A
physiological
level
of
oxygen/nitrogen
free
radicals
and
non-radical
reactive
species
(collectively
known
as
ROS/RNS)
is
termed
oxidative
eustress
or
“good
stress”
characterized
by
low
to
mild
levels
oxidants
involved
in
the
regulation
various
biochemical
transformations
such
carboxylation,
hydroxylation,
peroxidation,
modulation
signal
transduction
pathways
Nuclear
factor-κB
(NF-κB),
Mitogen-activated
protein
kinase
(MAPK)
cascade,
phosphoinositide-3-kinase,
nuclear
factor
erythroid
2–related
2
(Nrf2)
other
processes.
Increased
ROS/RNS,
generated
from
both
endogenous
(mitochondria,
NADPH
oxidases)
and/or
exogenous
sources
(radiation,
certain
drugs,
foods,
cigarette
smoking,
pollution)
result
a
harmful
condition
stress
(“bad
stress”).
Although
it
widely
accepted,
that
many
chronic
diseases
are
multifactorial
origin,
they
share
common
denominator.
Here
we
review
importance
mechanisms
through
which
contributes
pathological
states
an
organism.
Attention
focused
on
chemistry
ROS
RNS
(e.g.
superoxide
radical,
hydrogen
peroxide,
hydroxyl
radicals,
peroxyl
nitric
oxide,
peroxynitrite),
their
role
damage
DNA,
proteins,
membrane
lipids.
Quantitative
qualitative
assessment
biomarkers
also
discussed.
Oxidative
pathology
cancer,
cardiovascular
diseases,
diabetes,
neurological
disorders
(Alzheimer’s
Parkinson’s
Down
syndrome),
psychiatric
(depression,
schizophrenia,
bipolar
disorder),
renal
disease,
lung
disease
(chronic
pulmonary
obstruction,
cancer),
aging.
The
concerted
action
antioxidants
ameliorate
effect
achieved
antioxidant
enzymes
(Superoxide
dismutases-SODs,
catalase,
glutathione
peroxidase-GPx),
small
molecular
weight
(vitamins
C
E,
flavonoids,
carotenoids,
melatonin,
ergothioneine,
others).
Perhaps
one
most
effective
vitamin
first
line
defense
against
peroxidation
promising
approach
appears
be
use
flavonoids),
showing
weak
prooxidant
properties
may
boost
cellular
systems
thus
act
preventive
anticancer
agents.
Redox
metal-based
enzyme
mimetic
compounds
potential
pharmaceutical
interventions
sirtuins
therapeutic
targets
for
age-related
anti-aging
strategies
Foods,
Journal Year:
2021,
Volume and Issue:
10(8), P. 1854 - 1854
Published: Aug. 11, 2021
Oxidative
stress
is
a
status
of
imbalance
between
oxidants
and
antioxidants,
resulting
in
molecular
damage
interruption
redox
signaling
an
organism.
Indeed,
oxidative
has
been
associated
with
many
metabolic
disorders
due
to
unhealthy
dietary
patterns
may
be
alleviated
by
properly
increasing
the
intake
antioxidants.
Thus,
it
quite
important
adopt
healthy
mode
regulate
maintain
cell
tissue
homeostasis,
preventing
inflammation
chronic
diseases.
This
review
focuses
on
links
nutrients
health,
summarizing
role
'unhealthy'
pathway
activities
individuals
how
further
regulated
balanced
diets.
Antioxidants,
Journal Year:
2022,
Volume and Issue:
11(7), P. 1224 - 1224
Published: June 22, 2022
Cellular
senescence
is
an
irreversible
state
of
cell
cycle
arrest
occurring
in
response
to
stressful
stimuli,
such
as
telomere
attrition,
DNA
damage,
reactive
oxygen
species,
and
oncogenic
proteins.
Although
beneficial
protective
several
physiological
processes,
excessive
senescent
burden
has
been
involved
various
pathological
conditions
including
aging,
tissue
dysfunction
chronic
diseases.
Oxidative
stress
(OS)
can
drive
due
a
loss
balance
between
pro-oxidant
stimuli
antioxidant
defences.
Therefore,
the
identification
characterization
compounds
capable
preventing
or
counteracting
phenotype
major
interest.
However,
despite
considerable
number
studies,
comprehensive
overview
main
molecules
OS-induced
still
lacking.
Here,
besides
brief
description
molecular
mechanisms
implicated
OS-mediated
we
review
discuss
role
enzymes,
mitochondria-targeting
compounds,
vitamins,
carotenoids,
organosulfur
nitrogen
non-protein
molecules,
minerals,
flavonoids,
non-flavonoids
with
anti-aging
potential,
therefore
offering
insights
into
innovative
lifespan-extending
approaches.
International Journal of Molecular Sciences,
Journal Year:
2022,
Volume and Issue:
23(16), P. 9328 - 9328
Published: Aug. 19, 2022
The
distinguishing
pathogenic
features
of
neurodegenerative
diseases
include
mitochondrial
dysfunction
and
derived
reactive
oxygen
species
generation.
neural
tissue
is
highly
sensitive
to
oxidative
stress
this
a
prominent
factor
in
both
chronic
acute
neurodegeneration.
Based
on
this,
therapeutic
strategies
using
antioxidant
molecules
towards
redox
equilibrium
have
been
widely
used
for
the
treatment
several
brain
pathologies.
Globally,
polyphenols,
carotenes
vitamins
are
among
most
typical
exogenous
agents
that
tested
neurodegeneration
as
adjunctive
therapies.
However,
other
types
antioxidants,
including
hormones,
such
melatonin,
also
considered
neuroprotective
different
contexts.
This
review
highlights
relevant
targets
main
disorders
Alzheimer's
disease,
Parkinson's
Huntington's
disease
less
represented
amyotrophic
lateral
sclerosis,
well
traumatic
injury,
while
summarizing
latest
randomized
placebo-controlled
trials.
Acta Pharmaceutica Sinica B,
Journal Year:
2023,
Volume and Issue:
13(10), P. 3988 - 4024
Published: July 16, 2023
In
recent
years,
growing
awareness
of
the
role
oxidative
stress
in
brain
health
has
prompted
antioxidants,
especially
dietary
to
receive
attention
as
possible
treatments
strategies
for
patients
with
neurodegenerative
diseases
(NDs).
The
most
widely
studied
antioxidants
include
active
substances
such
vitamins,
carotenoids,
flavonoids
and
polyphenols.
Dietary
are
found
usually
consumed
foods
fresh
fruits,
vegetables,
nuts
oils
gaining
popularity
due
recently
their
potential
preventive
protective
agents
against
NDs,
well
abundant
natural
sources,
generally
non-toxic
nature,
ease
long-term
consumption.
This
review
article
examines
development
explores
‘two-sidedness’
blood–brain
barrier
(BBB)
a
nervous
system
an
impeding
use
drug
medicinal
products
and/or
supplements
prevention
therapy
reviews
BBB
permeability
common
suplements
efficacy
treatment
NDs.
Finally,
current
challenges
future
directions
NDs
using
discussed,
useful
information
on
is
provided.
Antioxidants,
Journal Year:
2024,
Volume and Issue:
13(2), P. 177 - 177
Published: Jan. 31, 2024
Resveratrol
is
a
natural
phenolic
compound
with
known
benefits
against
neurodegeneration.
We
analyzed
in
vitro
the
protective
mechanisms
of
resveratrol
proinflammatory
monomeric
C-reactive
protein
(mCRP).
mCRP
increases
risk
AD
after
stroke
and
we
previously
demonstrated
that
intracerebral
induces
AD-like
dementia
mice.
Here,
used
BV2
microglia
treated
for
24
h
presence
or
absence
resveratrol.
Cells
conditioned
media
were
collected
analysis.
Lipopolysaccharide
(LPS)
has
also
been
implicated
progression
so
LPS
was
as
resveratrol-sensitive
reference
agent.
at
concentration
50
µg/mL
activated
nitric
oxide
pathway
NLRP3
inflammasome
pathway.
Furthermore,
induced
cyclooxygenase-2
release
cytokines.
effectively
inhibited
these
changes
increased
expression
antioxidant
enzyme
genes
Cat
Sod2.
As
central
defense,
hub
Sirt1
Nfe2l2
nuclear
translocation
signal
transducer
NF-ĸB.
Proinflammatory
by
primary
mixed
glial
cultures
protected
This
work
provides
mechanistic
insight
into
preventing
agents.
Pharmaceutics,
Journal Year:
2025,
Volume and Issue:
17(1), P. 134 - 134
Published: Jan. 19, 2025
Resveratrol
is
a
natural
polyphenol
(stilbenoid),
which
can
be
found
in
grape
skin,
red
wine,
blueberries,
peanuts
and
others.
The
biological
properties
of
resveratrol,
particular
antioxidant,
anti-inflammatory,
anticancer,
estrogenic,
vasorelaxant
cardioprotective
activity,
are
the
main
reason
for
its
importance
medicine
pharmacy.
Despite
all
advantages,
however,
there
many
problems
related
to
this
polyphenolic
substance,
such
as
low
stability,
water
insolubility,
poor
bioavailability
fast
metabolism.
For
reason,
scientists
currently
searching
different
approaches
dealing
with
these
problematic
improving
therapeutic
usage
resveratrol.
This
review
summarizes
mechanisms
effects
determined
vitro
vivo,
limitations
drug.
article
emphasizes
new
improvement
resveratrol
delivery,
nanoencapsulation,
formation
nanocrystals,
prodrugs
structure
analogues.