Phytomedicine,
Journal Year:
2024,
Volume and Issue:
136, P. 156303 - 156303
Published: Dec. 4, 2024
Abnormal
antioxidant
capacity
in
cancer
cells
is
intimately
linked
to
tumor
aggressiveness.
Modulating
oxidative
stress
status
and
inhibiting
ferroptosis
represents
a
novel
anticancer
therapeutic
strategy.
STAM
Binding
Protein
Like
1
(STAMBPL1),
deubiquitinase,
implicated
various
malignancies,
yet
its
function
potential
for
cholangiocarcinoma
(CCA)
remains
unexplored.
Redox Biology,
Journal Year:
2024,
Volume and Issue:
75, P. 103259 - 103259
Published: June 27, 2024
Ferroptosis
is
a
form
of
iron-related
oxidative
cell
death
governed
by
an
integrated
redox
system,
encompassing
pro-oxidative
proteins
and
antioxidative
proteins.
These
undergo
precise
control
through
diverse
post-translational
modifications,
including
ubiquitination,
phosphorylation,
acetylation,
O-GlcNAcylation,
SUMOylation,
methylation,
N-myristoylation,
palmitoylation,
modification.
modifications
play
pivotal
roles
in
regulating
protein
stability,
activity,
localization,
interactions,
ultimately
influencing
both
the
buildup
iron
lipid
peroxidation.
In
mammalian
cells,
regulators
ferroptosis
typically
degradation
via
two
principal
pathways:
ubiquitin-proteasome
which
handles
majority
degradation,
autophagy,
primarily
targeting
long-lived
or
aggregated
This
comprehensive
review
aims
to
summarize
recent
advances
modification
linked
ferroptosis.
It
also
discusses
strategies
for
modulating
systems,
providing
new
insights
into
potential
therapeutic
applications
cancer
non-neoplastic
diseases.
Antioxidants,
Journal Year:
2024,
Volume and Issue:
13(6), P. 697 - 697
Published: June 6, 2024
Glutathione
(GSH),
a
prominent
antioxidant
in
organisms,
exhibits
diverse
biological
functions
and
is
crucial
safeguarding
cells
against
oxidative
harm
upholding
stable
redox
milieu.
The
metabolism
of
GSH
implicated
numerous
diseases,
particularly
the
progression
malignant
tumors.
Consequently,
therapeutic
strategies
targeting
regulation
synthesis
to
modulate
levels
represent
promising
avenue
for
future
research.
This
study
aimed
elucidate
intricate
relationship
between
ferroptosis,
highlighting
how
modulation
can
impact
cellular
susceptibility
ferroptosis
consequently
influence
development
tumors
other
diseases.
paper
provides
comprehensive
overview
physiological
GSH,
including
its
structural
characteristics,
physicochemical
properties,
sources,
metabolic
pathways,
as
well
investigate
molecular
mechanisms
underlying
potential
interventions.
Unraveling
role
holds
promise
individuals
afflicted
with
European Journal of Pharmacology,
Journal Year:
2024,
Volume and Issue:
972, P. 176553 - 176553
Published: April 2, 2024
Stroke
poses
a
significant
risk
of
mortality,
particularly
among
the
elderly
population.
The
pathophysiological
process
ischemic
stroke
is
complex,
and
it
crucial
to
elucidate
its
molecular
mechanisms
explore
potential
protective
drugs.
Ferroptosis,
newly
recognized
form
programmed
cell
death
distinct
from
necrosis,
apoptosis,
autophagy,
closely
associated
with
pathophysiology
stroke.
N6022,
selective
inhibitor
S-nitrosoglutathione
reductase
(GSNOR),
"first-in-class"
drug
for
asthma
therapeutic
applications.
However,
remains
unclear
whether
N6022
exerts
effects
in
stroke,
precise
action
are
unknown.
This
study
aimed
investigate
mitigates
cerebral
ischemia/reperfusion
(I/R)
injury
by
reducing
ferroptosis
underlying
mechanisms.
Accordingly,
we
established
an
oxygen-glucose
deprivation/reperfusion
(OGD/R)
model
middle
artery
occlusion/reperfusion
(MCAO/R)
mouse
mimic
I/R
injury.
Our
data,
both
vitro
vivo,
demonstrated
that
effectively
protected
against
I/R-induced
brain
damage
neurological
deficits
mice,
as
well
OGD/R-induced
BV2
damage.
Mechanistically,
promoted
Nrf2
nuclear
translocation,
enhancing
intracellular
antioxidant
capacity
SLC7A11-GPX4
system.
Furthermore,
interfered
interaction
GSNOR
GSTP1,
thereby
boosting
GSTP1
attenuating
ferroptosis.
These
findings
provide
novel
insights,
showing
attenuates
microglial
induced
through
promotion
translocation
inhibition
GSNOR/GSTP1
axis.
Frontiers in Pharmacology,
Journal Year:
2024,
Volume and Issue:
15
Published: Sept. 30, 2024
Cancer,
the
world’s
second
leading
cause
of
death
after
cardiovascular
diseases,
is
characterized
by
hallmarks
such
as
uncontrolled
cell
growth,
metastasis,
angiogenesis,
hypoxia,
and
resistance
to
therapy.
Autophagy,
a
cellular
process
that
can
both
support
inhibit
cancer
progression,
plays
critical
role
in
development
progression.
This
involves
formation
autophagosomes
ultimately
fuse
with
lysosomes
degrade
components.
A
key
regulator
this
Sirtuin
1
(SIRT1),
which
significantly
influences
autophagy.
review
delves
into
SIRT1
modulating
autophagy
its
broader
impacts
on
carcinogenesis.
regulates
crucial
mediators,
AMP-activated
protein
kinase
(AMPK)
mammalian
target
rapamycin
(mTOR),
effectively
promoting
or
suppressing
Beyond
direct
effects
autophagy,
SIRT1’s
regulatory
actions
extend
other
processes,
including
apoptosis
ferroptosis,
thereby
influencing
tumor
proliferation,
chemotherapy
responses.
These
insights
underscore
complex
interplay
between
significant
implications
for
Targeting
associated
pathways
presents
promising
strategy
manipulate
treatment.
underscores
potential
therapeutic
target,
opening
new
avenues
enhancing
treatment
efficacy.
Pharmacological Research,
Journal Year:
2024,
Volume and Issue:
210, P. 107490 - 107490
Published: Nov. 5, 2024
The
emergence
of
sorafenib
resistance
has
become
a
predominant
impediment
and
formidable
dilemma
in
the
therapeutic
approach
for
hepatocellular
carcinoma
(HCC).
Although
approval
next-generation
drugs
as
alternatives
to
is
significant
development,
concurrent
use
inhibitors
that
target
additional
key
molecular
pathways
remains
an
effective
strategy
mitigate
acquisition
resistance.
Here,
we
identified
Glutathione
S-Transferase
Alpha
1
(GSTA1)
critical
modulator
(SR)
(HCC)
based
on
our
findings
from
experiments
conducted
recurrent
liver
cancer
tissues,
xenograft
mouse
models,
organoids,
sorafenib-resistant
cells.
Elevated
GSTA1
levels
are
strongly
associated
with
adverse
clinical
prognoses.
knockout
reinstates
sensitivity,
whereas
its
overexpression
attenuates
drug
efficacy.
Mechanistically,
enhances
accumulation
lipid
peroxides
suppresses
ferroptosis
by
exerting
peroxidase
function
regulate
SR.
Notably,
upregulation
expression
mediated
transcription
factor
CTNNB1
(β-catenin),
resulting
formation
cytoplasmic
complex
between
CTNNB1.
This
facilitates
nuclear
translocation
CTNNB1,
establishing
positive
feedback
loop.
combined
demonstrated
synergistic
anti-tumour
effects
through
induction
both
vitro
vivo.
Our
reveal
novel
regulatory
role
GSTA1/CTNNB1
axis
ferroptosis,
suggesting
targeting
could
be
promising
circumvent
HCC.
Antioxidants,
Journal Year:
2025,
Volume and Issue:
14(2), P. 189 - 189
Published: Feb. 6, 2025
Current
research
suggests
that
promoting
ferroptosis,
a
non-apoptotic
form
of
cell
death,
may
be
an
effective
therapy
for
osteosarcoma,
while
its
inhibition
could
facilitate
bone
regeneration
and
prevent
osteoporosis.
Our
objective
was
to
investigate
whether
the
susceptibility
regulation
ferroptosis
differ
between
undifferentiated
(UBC)
differentiated
(DBC)
human
marrow
stromal
cells,
as
well
osteosarcoma
cells
(MG63).
Ferroptosis
induced
by
either
inhibiting
glutathione
peroxidase
4
(GPX4)
using
RSL3
or
blocking
all
glutathione-dependent
enzymes
through
glutamate/cysteine
antiporter
with
Erastin.
Lipid
peroxidation
assessed
fluorescent
probe
BODIPY™581/591C11,
Ferrostatin-1
used
inhibit
ferroptosis.
We
demonstrate
neither
Erastin
nor
induces
in
DBC.
However,
both
induce
UBC,
predominantly
MG63
cells.
data
suggest
induction
hBMSCs
is
primarily
regulated
GPX4,
whereas
S-Transferase
P1
(GSTP1)
plays
key
role
controlling
In
conclusion,
targeting
pathways
involved
across
different
types
improve
efficacy
cancer
treatments
minimizing
collateral
damage
supporting
regenerative
processes,
minimal
impact
on
therapy.