Antioxidants,
Год журнала:
2025,
Номер
14(3), С. 265 - 265
Опубликована: Фев. 25, 2025
Bee
pollen
(BP)
is
one
of
the
richest
known
natural
resources
micronutrients
and
bioactive
phytochemicals.
Some
captivating
bioactivities
BP
compounds,
although
being
largely
investigated
for
latter
as
individual
molecules,
remain
very
scarcely
or
completely
uninvestigated
in
bee
a
whole
product.
Among
most
intriguing
these
bioactivities,
we
identified
ferroptosis
major
one.
Ferroptosis,
recently
discovered
form
cell
death
(connecting
oxidative
stress
inflammation),
complex
pathophysiological
process
crucial
perplexing
events
current
challenging
human
diseases
such
cancer,
neurodegeneration,
general
aging
diseases.
Many
compounds
were
found
to
intricately
modulate
depending
on
cellular
context
by
inducing
this
mechanism
malignant
cells
preventing
it
non-malignant
cells.
Since
research
both
fields,
i.e.,
ferroptosis,
still
recent,
deemed
necessary
undertake
review
figure
out
extent
potential
modulating
mechanisms.
Our
proved
that
wide
range
(polyphenols,
phenolamides,
carotenoids,
vitamins,
minerals,
others)
substantially
diverse
Accordingly,
phytochemicals
nutrients
showed
interesting
preclinical
studies
lead
ferroptosis-mediated
outcomes
important
processes,
including
many
aging-related
disorders.
One
paramount
challenges
be
resolved
determine
how
different
act
biological
contexts,
either
through
synergistic
antagonistic
behaviors.
We
hope
our
work
constitutes
valuable
incentive
future
investigations
promising
relevant
avenue.
Antioxidants,
Год журнала:
2022,
Номер
11(12), С. 2444 - 2444
Опубликована: Дек. 11, 2022
SLC7A11
is
a
cell
transmembrane
protein
composing
the
light
chain
of
system
xc-,
transporting
extracellular
cystine
into
cells
for
cysteine
production
and
GSH
biosynthesis.
critical
gateway
redox
homeostasis
by
maintaining
cellular
levels
that
counter
oxidative
stress
suppress
ferroptosis.
overexpressed
in
various
human
cancers
regulates
tumor
development,
proliferation,
metastasis,
microenvironment,
treatment
resistance.
Upregulation
needed
to
adapt
high
microenvironments
maintain
homeostasis.
High
basal
ROS
dependences
cancer
render
them
vulnerable
further
stress.
Therefore,
cyst(e)ine
depletion
may
be
an
effective
new
strategy
treatment.
However,
effectiveness
inhibitors
or
cyst(e)inase
has
been
established
many
preclinical
studies
but
not
reached
stage
clinical
trials
patients.
A
better
understanding
functions
regulating
interacting
with
redox-active
proteins
their
substrates
could
promising
this
review
intends
understand
role
antioxidant
signaling,
regulators
bioavailability
cancer,
linking
signaling
metabolism
targeting
novel
therapeutics.
Biomedicine & Pharmacotherapy,
Год журнала:
2024,
Номер
174, С. 116512 - 116512
Опубликована: Апрель 3, 2024
GPX4
(Glutathione
peroxidase
4)
serves
as
a
crucial
intracellular
regulatory
factor,
participating
in
various
physiological
processes
and
playing
significant
role
maintaining
the
redox
homeostasis
within
body.
Ferroptosis,
form
of
iron-dependent
non-apoptotic
cell
death,
has
gained
considerable
attention
recent
years
due
to
its
involvement
multiple
pathological
processes.
is
closely
associated
with
ferroptosis
functions
primary
inhibitor
this
process.
Together,
contribute
pathophysiology
several
diseases,
including
sepsis,
nervous
system
ischemia
reperfusion
injury,
cardiovascular
cancer.
This
review
comprehensively
explores
roles
impacts
development
progression
these
aim
providing
insights
for
identifying
potential
therapeutic
strategies
future.
Molecular Medicine,
Год журнала:
2023,
Номер
29(1)
Опубликована: Окт. 19, 2023
Intestinal
ischemia-reperfusion
injury
occurs
in
acute
intestinal
obstruction,
intussusception,
mesenteric
artery
embolism,
and
other
diseases
can
lead
to
local
necrosis,
distant
organ
involvement,
or
systemic
reactions,
with
high
morbidity
mortality.
Ferroptosis
plays
a
crucial
role
injury,
inhibition
of
ferroptosis
may
provide
new
approaches
for
treating
the
disease.
SIRT3
protects
cells
from
oxidative
stress
be
involved
process
ferroptosis.
We
hypothesized
that
resveratrol,
an
agonist
SIRT3,
could
ameliorate
by
compensating
GSH/GPX4
pathway.Intestinal
(I/R)
Caco-2
hypoxia-reoxygenation
models
were
established.
Transmission
electron
microscopy
was
used
assess
mitochondrial
function;
Chiu's
score
evaluate
degree
mucosal
based
on
HE
staining;
Western
blot
detect
SIRT3/FoxO3a
pathway,
tight
junction
proteins
ferroptosis-related
protein
expression.
Sirt3-/-
C57,
shSIRT3-Caco-2
siFoxO3a-Caco-2
C11-BODIPY
lipid
peroxide
cells;
FD4
IFABP
permeability;
MitoSOX
ROS
levels;
MitoTracker
immunofluorescence
colocalization
levels.In
I/R
model,
mainly
during
reperfusion
period
leads
through
pathway.
Resveratrol
reduce
activating
SIRT3.
In
mice,
more
underwent
ferroptosis,
severe,
resveratrol
lost
ability
injury.
addition,
increased
RSL3-induced
sensitivity
vitro.
presence
shSIRT3
RSL3
alone,
but
not
Furthermore,
might
activate
increase
expression
SOD2
catalase,
inhibit
generation,
thus
reducing
peroxidation
ferroptosis.To
date,
this
is
first
study
show
ameliorates
increasing
LPO
production,
pathway
inhibiting
increases
reduces
production
LPO,
compensates
inhibits
Phytotherapy Research,
Год журнала:
2024,
Номер
38(8), С. 3954 - 3972
Опубликована: Июнь 4, 2024
Driven
by
iron-dependent
lipid
peroxidation,
ferroptosis
is
regulated
p53
and
solute
carrier
family
7
member
11
(SLC7A11)/glutathione/glutathione
peroxidase
4
(GPX4)
axis
in
colorectal
cancer
(CRC).
This
study
aimed
to
investigate
the
influence
of
curcumin
(CUR)
on
CRC.
The
efficacies
CUR
malignant
phenotype
CRC
cells
were
determined
3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl
tetrazolium
bromide,
wound
healing,
clonogenic
assays.
effects
evaluated
transmission
electron
microscopy,
lactate
dehydrogenase
release
assay,
Fe
Frontiers in Molecular Biosciences,
Год журнала:
2023,
Номер
10
Опубликована: Март 31, 2023
The
clinical
therapeutics
of
cervical
cancer
is
limited
due
to
the
drug
resistance
and
metastasis
tumor.
As
a
novel
target
for
antitumor
therapy,
ferroptosis
deemed
be
more
susceptible
those
cells
with
apoptosis
chemotherapy.
Dihydroartemisinin
(DHA),
primary
active
metabolites
artemisinin
its
derivatives,
has
exhibited
variety
anticancer
properties
low
toxicity.
However,
role
DHA
in
remained
unclear.
Here,
we
showed
that
could
time-dependently
dose-dependently
inhibit
proliferation
cells,
which
alleviated
by
inhibitors
rather
than
apoptosis.
Further
investigation
confirmed
treatment
initiated
ferroptosis,
as
evidenced
accumulation
reactive
oxygen
species
(ROS),
malondialdehyde
(MDA)
liquid
peroxidation
(LPO)
levels
simultaneously
depletion
glutathione
peroxidase
4
(GPX4)
(GSH).
Moreover,
nuclear
receptor
coactivator
(NCOA4)-mediated
ferritinophagy
was
also
induced
leading
subsequent
increases
intracellular
labile
iron
pool
(LIP),
exacerbated
Fenton
reaction
resulting
excessive
ROS
production,
enhanced
ferroptosis.
Among
them,
unexpectedly
found
heme
oxygenase-1
(HO-1)
played
an
antioxidant
DHA-induced
cell
death.
In
addition,
results
synergy
analysis
combination
doxorubicin
(DOX)
emerged
highly
synergistic
lethal
effect
related
Overall,
our
data
revealed
molecular
mechanisms
triggered
ferritinophagy-dependent
sensitized
DOX
cancer,
may
provide
avenues
future
therapy
development.
Cancer Cell International,
Год журнала:
2023,
Номер
23(1)
Опубликована: Июнь 6, 2023
Abstract
Background
Malignant
transformation
from
hepatic
fibrosis
to
carcinogenesis
may
be
a
therapeutic
target
for
hepatocellular
carcinoma
(HCC).
The
aim
of
this
study
was
evaluate
anti-cancer
efficacy
Pien-Tze-Huang
(PZH),
and
investigate
the
underlying
mechanisms
by
integrating
transcriptional
regulatory
network
analysis
experimental
validation.
Methods
A
diethylnitrosamine
(DEN)-induced
HCC
model
in
rats
established
used
PZH.
After
detecting
transcriptomic
profiling,
“disease-related
gene–drug
effective
target”
interaction
constructed,
candidate
targets
PZH
against
malignant
were
identified
verified
vitro.
Results
effectively
alleviated
pathological
changes
cirrhosis,
inhibited
tumor
formation
growth
DEN-induced
rats.
Additionally,
administration
reduced
levels
various
function-related
serological
indicators
significantly.
Mechanically,
ferroptosis-related
SLC7A11-GSH-GPX4
axis
might
one
potential
HCC.
Especially,
high
SLC7A11
expression
associated
with
poor
prognosis
patients.
Experimentally,
markedly
increased
trivalent
iron
ferrous
ion,
suppressed
GPX4
proteins,
GSH/GSSG
ratio
liver
tissues
Conclusions
Our
data
offer
an
evidence
that
improve
microenvironment
prevent
occurrence
through
promoting
ferroptosis
cells
via
inhibiting
axis,
implying
drug
prevention
treatment
at
early
stage.
Cellular and Molecular Neurobiology,
Год журнала:
2024,
Номер
44(1)
Опубликована: Фев. 23, 2024
Ferroptosis
is
an
iron-dependent
form
of
programmed
cell
death
(PCD)
and
ischemic
stroke
(IS)
has
been
confirmed
to
be
closely
related
ferroptosis.
The
mechanisms
ferroptosis
were
summarized
into
three
interrelated
aspects:
iron
metabolism,
lipid
peroxide
as
well
glutathione
amino
acid
metabolism.
What's
more,
the
causal
relationship
between
IS
elucidated
by
several
processes.
disruption
blood-brain
barrier,
release
excitatory
acids,
inflammatory
response
after
all
lead
disorder
metabolism
antioxidant
system.
Based
on
these
statements,
we
reviewed
reported
effects
compounds
drugs
treating
modulating
key
molecules
in
Through
detailed
analysis
roles
molecules,
have
also
more
clearly
demonstrated
essential
effect
occurrence
so
provide
new
targets
ideas
for
therapeutic
IS.
Antioxidants,
Год журнала:
2024,
Номер
13(3), С. 298 - 298
Опубликована: Фев. 28, 2024
Ferroptosis
is
a
type
of
programmed
cell
death
that
differs
from
apoptosis,
autophagy,
and
necrosis
related
to
several
physio-pathological
processes,
including
tumorigenesis,
neurodegeneration,
senescence,
blood
diseases,
kidney
disorders,
ischemia–reperfusion
injuries.
linked
iron
accumulation,
eliciting
dysfunction
antioxidant
systems,
which
favor
the
production
lipid
peroxides,
membrane
damage,
ultimately,
death.
Thus,
signaling
pathways
evoking
ferroptosis
are
strongly
associated
with
those
protecting
cells
against
excess
and/or
lipid-derived
ROS.
Here,
we
discuss
interaction
between
metabolic
particular
focus
on
transcription
factors
implicated
in
regulation
ferroptosis,
either
as
triggers
peroxidation
or
defense
pathways.
ACS Omega,
Год журнала:
2024,
Номер
9(19), С. 20670 - 20701
Опубликована: Апрель 16, 2024
The
cellular
defense
system
against
exogenous
substances
makes
therapeutics
inefficient
as
intracellular
glutathione
(GSH)
exhibits
an
astounding
antioxidant
activity
in
scavenging
reactive
oxygen
species
(ROS)
or
nitrogen
(RNS)
other
free
radicals
produced
by
the
therapeutics.
In
cancer
cell
microenvironment,
GSH
level
becomes
exceptionally
high
to
fight
oxidative
stress
created
production
of
ROS/RNS
any
radicals,
which
are
byproducts
redox
reactions
respiration
processes.
Thus,
order
maintain
homeostasis
for
survival
cells
and
their
rapid
proliferation,
starts
escalate.
this
circumstance,
administration
anticancer
is
vain,
elevated
reduces
potential
reduction
they
produce.
Therefore,
augment
therapeutic
agents
condition,
must
be
depleted
hook
crook.
Hence,
Review
aims
compile
precisely
role
cells,
importance
its
depletion
therapy
examples
a
few
selected
metal
complexes
able
trigger
death
depleting
level.