MedComm,
Journal Year:
2023,
Volume and Issue:
4(4)
Published: June 26, 2023
Brain
iron
homeostasis
is
maintained
through
the
normal
function
of
blood-brain
barrier
and
regulation
at
systemic
cellular
levels,
which
fundamental
to
brain
function.
Excess
can
catalyze
generation
free
radicals
Fenton
reactions
due
its
dual
redox
state,
thus
causing
oxidative
stress.
Numerous
evidence
has
indicated
diseases,
especially
stroke
neurodegenerative
are
closely
related
mechanism
imbalance
in
brain.
For
one
thing,
diseases
promote
accumulation.
another,
accumulation
amplifies
damage
nervous
system
exacerbates
patients'
outcomes.
In
addition,
triggers
ferroptosis,
a
newly
discovered
iron-dependent
type
programmed
cell
death,
neurodegeneration
received
wide
attention
recent
years.
this
context,
we
outline
metabolism
focus
on
current
stroke,
Alzheimer's
disease,
Parkinson's
disease.
Meanwhile,
also
discuss
ferroptosis
simultaneously
enumerate
drugs
for
chelators
inhibitors.
New England Journal of Medicine,
Journal Year:
2022,
Volume and Issue:
387(22), P. 2045 - 2055
Published: Nov. 30, 2022
Iron
content
is
increased
in
the
substantia
nigra
of
persons
with
Parkinson's
disease
and
may
contribute
to
pathophysiology
disorder.
Early
research
suggests
that
iron
chelator
deferiprone
can
reduce
nigrostriatal
disease,
but
its
effects
on
progression
are
unclear.
Biomedicines,
Journal Year:
2022,
Volume and Issue:
10(4), P. 891 - 891
Published: April 13, 2022
The
selenoprotein
glutathione
peroxidase
4
(GPX4)
is
one
of
the
main
antioxidant
mediators
in
human
body.
Its
central
function
involves
reduction
complex
hydroperoxides
into
their
respective
alcohols
often
using
reduced
Glutathione
(GSH)
as
a
reducing
agent.
GPX4
has
become
hotspot
therapeutic
target
biomedical
research
following
its
characterization
chief
regulator
ferroptosis,
and
subsequent
recognition
specific
pharmacological
for
treatment
an
extensive
variety
diseases
including
cancers
neurodegenerative
disorders.
Several
recent
studies
have
provided
insights
how
distinguished
from
rest
family,
unique
biochemical
properties
GPX4,
related
to
lipid
peroxidation
enzyme
may
be
modulated
potential
target.
This
current
report
aims
review
literature
underlying
all
these
present
up-to-date
perspective
on
understanding
Redox Biology,
Journal Year:
2022,
Volume and Issue:
55, P. 102426 - 102426
Published: Aug. 4, 2022
Ferroptosis,
a
new
form
of
regulated
cell
death
triggered
by
the
iron-dependent
peroxidation
phospholipids,
is
associated
with
cellular
metabolism,
redox
homeostasis,
and
various
signaling
pathways
related
to
cancer.
Aspirin
widely
used
non-steroidal
anti-inflammatory
drug
(NSAID)
has
been
reported
show
therapeutic
benefit
in
cancers
harboring
oncogenic
PIK3CA,
which
encodes
catalytic
p110α
subunit
phosphoinositide
3-kinase
(PI3K).
In
this
study,
we
found
that
aspirin
sensitized
cancer
cells
activation
PIK3CA
ferroptosis
induction.
Mechanistically,
inhibited
protein
kinase
B
(AKT)/mammalian
target
rapamycin
(mTOR)
signaling,
suppressed
downstream
sterol
regulatory
element-binding
1
(SREBP-1)
expression,
attenuated
stearoyl-CoA
desaturase-1
(SCD1)-mediated
lipogenesis
monounsaturated
fatty
acids,
thus
promoting
RSL3-induced
colorectal
(CRC)
cells.
Moreover,
genetic
ablation
SREBP-1
or
SCD1
conferred
greater
sensitivity
Conversely,
ectopic
expression
restored
resistance
CRC
abolished
effect
on
cytotoxicity.
Additionally,
synergistic
effects
RSL3
were
confirmed
xenograft
mouse
model.
The
combined
use
resulted
significant
tumor
suppression.
Our
work
demonstrated
enhanced
cytotoxic
PIK3CA-mutant
cancers,
combination
inducer
displayed
promising
treatment.
Oxidative Medicine and Cellular Longevity,
Journal Year:
2022,
Volume and Issue:
2022, P. 1 - 17
Published: Sept. 5, 2022
Ferroptosis,
a
novel
form
of
regulated
cell
death,
is
caused
by
accumulation
lipid
peroxides
and
excessive
iron
deposition.
This
process
has
been
linked
to
the
death
dopaminergic
neurons
in
substantia
nigra
compacta
(SNc)
Parkinson's
disease
(PD)
patients.
Quercetin
(QCT),
natural
flavonoid,
multiple
pharmacological
activities.
However,
it
not
established
whether
QCT
can
protect
against
neuron
inhibiting
ferroptosis.
In
this
study,
we
investigated
potential
antiferroptotic
effects
cellular
models
using
specific
ferroptosis
inducers
(Erastin
RSL-3)
MPP+.
The
were
also
explored
MPTP-induced
PD
mouse
models.
counting
kit-8
(CCK-8)
assay
was
performed
assess
viability.
Variations
mitochondrial
morphology
evaluated
transmission
electron
microscopy
(TEM)
while
membrane
potential,
mass,
ROS
measured
fluorescent
probes.
Lipid
peroxidation
levels
assayed
through
measurement
ROS,
MDA,
GSH,
SOD
levels.
on
behavioral
disorders
examined
rotarod
open
field
tests.
vitro
vivo,
significantly
inhibited
activating
nuclear
factor
erythroid
2-related
2
(Nrf2)
protein.
Additionally,
ameliorated
motor
impairments
protected
loss
Interestingly,
Nrf2
knockdown
alleviated
protective
conclusion,
these
results
demonstrate
that
involved
MPP+/MPTP-induced
PD,
inhibits
Therefore,
agent
for
preventing
targeting
Frontiers in Pharmacology,
Journal Year:
2022,
Volume and Issue:
13
Published: April 12, 2022
Background:
The
protective
effect
of
quercetin
on
nonalcoholic
fatty
liver
disease
(NAFLD)
has
been
reported,
but
its
mechanism
remains
poorly
understood.
Recently,
was
reported
to
be
capable
inhibiting
ferroptosis,
which
is
a
recognized
type
regulated
cell
death.
Moreover,
hepatic
ferroptosis
plays
an
important
role
in
the
progression
NAFLD,
experimental
evidence
limited.
Hence,
our
study
aimed
investigate
high-fat
diet
(HFD)-induced
NAFLD
and
further
elucidate
underlying
molecular
mechanism.
Methods:
C57BL/6J
mice
were
fed
either
normal
(ND),
HFD,
or
HFD
supplemented
with
for
12
weeks.
Hepatic
lipid
peroxidation,
steatosis,
iron
overload
examined.
In
vitro,
steatotic
L-02
cells
used
potential
Results:
We
found
that
caused
accumulation
liver,
rescued
by
supplementation.
Consistent
vivo
results,
alleviated
droplet
reduced
levels
reactive
oxygen
species
(ROS)
cells.
Using
mitochondrial
ROS
(MtROS)
scavenger
(Mito-TEMPO)
specific
inhibitor
(Fer-1),
we
remarkably
peroxidation
reducing
MtROS-mediated
Conclusion:
Our
data
showed
consumption
induced
triggered
ultimately
leading
lipotoxicity,
can
quercetin.
Findings
from
this
provide
new
insight
into
prevention
treatment
NAFLD.
Advanced Science,
Journal Year:
2023,
Volume and Issue:
10(24)
Published: June 21, 2023
Emerging
evidence
suggests
that
ferroptosis,
a
unique
regulated
cell
death
modality
is
morphologically
and
mechanistically
different
from
other
forms
of
death,
plays
vital
role
in
the
pathophysiological
process
neurodegenerative
diseases,
strokes.
Accumulating
supports
ferroptosis
as
critical
factor
diseases
strokes,
pharmacological
inhibition
therapeutic
target
for
these
diseases.
In
this
review
article,
core
mechanisms
are
overviewed
roles
strokes
described.
Finally,
emerging
findings
treating
through
This
demonstrates
by
bioactive
small-molecule
compounds
(ferroptosis
inhibitors)
could
be
effective
treatments
highlights
potential
promising
avenue
used
to
prevent
article
will
shed
light
on
developing
novel
regimens
slow
down
progression
future.