Biomedicine & Pharmacotherapy,
Journal Year:
2024,
Volume and Issue:
175, P. 116698 - 116698
Published: May 6, 2024
Neurotoxicity
can
cause
a
range
of
symptoms
and
disorders
in
humans,
including
neurodegenerative
diseases,
neurodevelopmental
disorders,
nerve
conduction
abnormalities,
neuroinflammation,
autoimmune
cognitive
deficits.
The
cyclic
guanosine-adenosine
synthase
(cGAS)-stimulator
interferon
genes
(STING)
pathway
NF-κB
are
two
important
signaling
pathways
involved
the
innate
immune
response.
cGAS-STING
is
activated
by
recognition
intracellular
DNA,
which
triggers
production
type
I
interferons
pro-inflammatory
cytokines,
such
as
tumor
necrosis
factor,
IL-1β,
IL-6.
These
cytokines
play
role
oxidative
stress
mitochondrial
dysfunction
neurons.
various
stimuli,
bacterial
lipopolysaccharide,
viral
particle
components,
neurotoxins.
activation
may
lead
to
promote
neuroinflammation
neuronal
damage.
A
potential
interaction
exists
between
pathways,
blocks
STING
degradation
inhibiting
microtubule-mediated
transport.
This
review
examines
progress
research
on
roles
these
neurotoxicity
their
interrelationships.
Understanding
mechanisms
will
provide
valuable
therapeutic
insights
for
preventing
controlling
neurotoxicity.
Antioxidants,
Journal Year:
2022,
Volume and Issue:
11(2), P. 408 - 408
Published: Feb. 17, 2022
Free
radicals
are
formed
as
a
part
of
normal
metabolic
activities
but
neutralized
by
the
endogenous
antioxidants
present
in
cells/tissue,
thus
maintaining
redox
balance.
This
balance
is
disrupted
certain
neuropathophysiological
conditions,
causing
oxidative
stress,
which
implicated
several
progressive
neurodegenerative
diseases.
Following
neuronal
injury,
secondary
injury
progression
also
caused
excessive
production
free
radicals.
Highly
reactive
radicals,
mainly
oxygen
species
(ROS)
and
nitrogen
(RNS),
damage
cell
membrane,
proteins,
DNA,
triggers
self-propagating
inflammatory
cascade
degenerative
events.
Dysfunctional
mitochondria
under
stress
conditions
considered
key
mediator
neurodegeneration.
Exogenous
delivery
holds
promise
to
alleviate
regain
In
this
regard,
natural
synthetic
have
been
evaluated.
Despite
promising
results
preclinical
studies,
clinical
translation
therapy
treat
diseases
remains
elusive.
The
issues
could
be
their
low
bioavailability,
instability,
limited
transport
target
tissue,
and/or
poor
antioxidant
capacity,
requiring
repeated
high
dosing,
cannot
administered
humans
because
dose-limiting
toxicity.
Our
laboratory
investigating
nanoparticle-mediated
enzymes
address
some
above
issues.
Apart
from
being
endogenous,
main
advantage
catalytic
mechanism
action;
hence,
they
significantly
more
effective
at
lower
doses
detoxifying
deleterious
effects
than
nonenzymatic
antioxidants.
review
provides
comprehensive
analysis
potential
therapy,
challenges
translation,
role
nanoparticles/drug
systems
play
addressing
these
challenges.
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:
2023,
Volume and Issue:
12(8), P. 1628 - 1628
Published: Aug. 17, 2023
Alzheimer’s
disease
(AD)
is
a
brain
disorder
that
progressively
undermines
memory
and
thinking
skills
by
affecting
the
hippocampus
entorhinal
cortex.
The
main
histopathological
hallmarks
of
AD
are
presence
abnormal
protein
aggregates
(Aβ
tau),
synaptic
dysfunction,
aberrant
proteostasis,
cytoskeletal
abnormalities,
altered
energy
homeostasis,
DNA
RNA
defects,
inflammation,
neuronal
cell
death.
However,
oxidative
stress
or
damage
also
evident
commonly
overlooked
considered
consequence
advancement
dementia
symptoms.
control
onset
linked
to
activity
amyloid-β
peptide,
which
may
serve
as
both
antioxidant
pro-oxidant
molecules.
Furthermore,
correlated
with
proteins,
nucleic
acids,
lipids
in
vulnerable
populations,
ultimately
lead
death
through
different
molecular
mechanisms.
By
recognizing
an
integral
feature
AD,
alternative
therapeutic
preventive
interventions
developed
tested
potential
complementary
therapies
for
this
devastating
neurodegenerative
disease.
Biomolecules,
Journal Year:
2024,
Volume and Issue:
14(6), P. 697 - 697
Published: June 14, 2024
The
antioxidant
defense
mechanisms
play
a
critical
role
in
mitigating
the
deleterious
effects
of
reactive
oxygen
species
(ROS).
Catalase
stands
out
as
paramount
enzymatic
antioxidant.
It
efficiently
catalyzes
decomposition
hydrogen
peroxide
(H
Frontiers in Immunology,
Journal Year:
2024,
Volume and Issue:
15
Published: Jan. 23, 2024
The
damage
to
the
central
nervous
system
and
dysfunction
of
body
caused
by
spinal
cord
injury
(SCI)
are
extremely
severe.
pathological
process
SCI
is
accompanied
inflammation
nerve
cells.
Current
evidence
suggests
that
oxidative
stress,
resulting
from
an
increase
in
production
reactive
oxygen
species
(ROS)
imbalance
its
clearance,
plays
a
significant
role
secondary
during
SCI.
transcription
factor
nuclear
erythroid
2-related
2
(Nrf2)
crucial
regulatory
molecule
for
cellular
redox.
This
review
summarizes
recent
advancements
regulation
ROS-Nrf2
signaling
focuses
on
interaction
between
ROS
different
modes
neuronal
cell
death
after
SCI,
such
as
apoptosis,
autophagy,
pyroptosis,
ferroptosis.
Furthermore,
we
highlight
pathways
through
which
materials
science,
including
exosomes,
hydrogels,
nanomaterials,
can
alleviate
modulating
clearance.
provides
valuable
insights
directions
reducing
alleviating
stress.
Antioxidants,
Journal Year:
2024,
Volume and Issue:
13(5), P. 504 - 504
Published: April 23, 2024
Despite
the
significant
progress
in
fields
of
biology,
physiology,
molecular
medicine,
and
pharmacology;
designation
properties
nitrogen
monoxide
regulation
life-supporting
functions
organism;
numerous
works
devoted
to
this
molecule,
there
are
still
many
open
questions
field.
It
is
widely
accepted
that
nitric
oxide
(•NO)
a
unique
molecule
that,
despite
its
extremely
simple
structure,
has
wide
range
body,
including
cardiovascular
system,
central
nervous
system
(CNS),
reproduction,
endocrine
respiration,
digestion,
etc.
Here,
we
systematize
•NO,
contributing
conditions
physiological
norms,
as
well
various
pathological
processes,
mechanisms
cytoprotection
cytodestruction.
Current
experimental
clinical
studies
contradictory
describing
role
•NO
pathogenesis
diseases
CNS.
We
describe
cytoprotective
action
associated
with
expression
antiapoptotic
chaperone
proteins
mitochondrial
function.
The
most
prominent
cytodestruction—the
initiation
nitrosative
oxidative
stresses,
production
reactive
oxygen
species,
participation
apoptosis
mitosis.
formation
endothelial
dysfunction
also
considered.
Moreover,
focus
on
ways
pharmacological
modulation
nitroxidergic
allow
for
decrease
cytodestructive
increase
ones.
Cell Death Discovery,
Journal Year:
2025,
Volume and Issue:
11(1)
Published: Jan. 24, 2025
Abstract
Free
radicals,
characterized
by
the
presence
of
unpaired
electrons,
are
highly
reactive
species
that
play
a
significant
role
in
human
health.
These
molecules
can
be
generated
through
various
endogenous
processes,
such
as
mitochondrial
respiration
and
immune
cell
activation,
well
exogenous
sources,
including
radiation,
pollution,
smoking.
While
free
radicals
essential
for
certain
physiological
signaling
defense,
their
overproduction
disrupt
delicate
balance
between
oxidants
antioxidants,
leading
to
oxidative
stress.
Oxidative
stress
results
damage
critical
biomolecules
like
DNA,
proteins,
lipids,
contributing
pathogenesis
diseases.
Chronic
conditions
cancer,
cardiovascular
diseases,
neurodegenerative
disorders,
inflammatory
diseases
have
been
strongly
associated
with
harmful
effects
radicals.
This
review
provides
comprehensive
overview
characteristics
types
mechanisms
formation,
biological
impacts.
Additionally,
we
explore
natural
compounds
extracts
studied
antioxidant
properties,
offering
potential
therapeutic
avenues
managing
radical-induced
damage.
Future
research
directions
also
discussed
advance
our
understanding
treatment
radical-associated
Antioxidants,
Journal Year:
2025,
Volume and Issue:
14(3), P. 297 - 297
Published: Feb. 28, 2025
Oxidative
stress
(OS)
is
an
important
factor
in
the
pathophysiology
of
numerous
neurodegenerative
disorders,
such
as
Parkinson's
disease,
multiple
sclerosis,
cerebrovascular
pathology
or
Alzheimer's
disease.
OS
also
significantly
influences
progression
among
various
disorders.
The
imbalance
between
formation
reactive
oxygen
species
(ROS)
and
body's
capacity
to
neutralize
these
toxic
byproducts
renders
brain
susceptible
oxidative
injury.
Increased
amounts
ROS
can
result
cellular
malfunction,
apoptosis
neurodegeneration.
They
represent
a
substantial
mitochondrial
dysfunction,
defining
characteristic
Comprehending
fundamental
mechanisms
its
interactions
with
function,
neuroinflammation
protective
pathways
becomes
essential
for
formulating
targeted
therapeutics
maintain
health
reduce
impacts
We
address
recent
highlights
on
role
function
terms
significance
neuronal