Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Nov. 28, 2024
Cuproptosis
is
a
recently
discovered
form
of
regulated
cell
death
triggered
by
mitochondrial
copper
accumulation
and
proteotoxic
stress.
Here,
we
provide
the
first
evidence
that
glutathione
(GSH),
major
non-protein
thiol
in
cells,
acts
as
cuproptosis
inhibitor
pancreatic
ductal
adenocarcinoma
(PDAC)
cells.
Mechanistically,
GSH
inhibits
chelating
copper,
contrasting
its
role
blocking
ferroptosis
inhibiting
lipid
peroxidation.
The
classical
inducer,
ES-Cu
(elesclomol
plus
copper),
increases
protein
stability
transcription
factor
NFE2L2
(also
known
NRF2),
leading
to
upregulation
gene
expression
glutamate-cysteine
ligase
modifier
subunit
(GCLM)
catalytic
(GCLC).
GCLM
GCLC
are
rate-limiting
enzymes
synthesis,
increased
transported
into
mitochondria
via
solute
carrier
family
25
member
39
(SLC25A39)
transporter.
Consequently,
genetic
inhibition
NFE2L2-GSH-SLC25A39
pathway
enhances
cuproptosis-mediated
tumor
suppression
culture
mouse
models.
These
findings
not
only
reveal
distinct
mechanisms
ferroptosis,
but
also
suggest
potential
combination
strategy
suppress
PDAC
growth.
Biomedicine & Pharmacotherapy,
Journal Year:
2024,
Volume and Issue:
178, P. 117183 - 117183
Published: July 30, 2024
Atherosclerosis,
characterized
by
the
accumulation
of
plaque
within
arterial
walls,
is
an
intricate
cardiovascular
disease
that
often
results
in
severe
health
issues.
Recent
studies
have
emphasized
importance
ferroptosis,
a
controlled
type
cell
death
dependent
on
iron,
as
critical
factor
this
state.
Ferroptosis,
distinguished
its
reliance
iron
and
lipid
hydroperoxides,
offers
unique
insight
into
pathology
atherosclerotic
lesions.
This
summary
encapsulates
current
knowledge
role
ferroptosis
plays
onset
progression
atherosclerosis.
It
explores
molecular
processes
through
which
peroxidation
metabolism
contribute
to
development
atheromatous
plaques
evaluates
possibility
utilizing
novel
treatment
approach
for
By
illuminating
relationship
between
ferroptosis-related
atherosclerosis,
review
paves
way
future
clinical
applications
personalized
medicine
approaches
aimed
at
alleviating
effects
Redox Biology,
Journal Year:
2024,
Volume and Issue:
76, P. 103304 - 103304
Published: Aug. 10, 2024
Cyclin-dependent
kinase
4
and
6
inhibitors
(CDK4/6
inhibitors)
can
significantly
extend
tumor
response
in
patients
with
metastatic
luminal
A
breast
cancer,
yet
intrinsic
acquired
resistance
remains
a
prevalent
issue.
Understanding
the
molecular
features
of
CDK4/6
inhibitor
sensitivity
potential
efficacy
their
combination
novel
targeted
cell
death
inducers
may
lead
to
improved
patient
outcomes.
Herein,
we
demonstrate
that
ferroptosis,
form
regulated
driven
by
iron-dependent
phospholipid
peroxidation,
partly
underpins
inhibitors.
Mechanistically,
downregulate
cystine
transporter
SLC7A11
inhibiting
SP1
binding
promoter
region.
Furthermore,
is
identified
as
critical
for
cancer
Both
genetic
pharmacological
inhibition
or
enhances
synergistically
inhibits
growth
when
combined
vitro
vivo.
Our
data
highlight
targeting
inhibitors,
supporting
further
investigation
therapy
cancer.
Biomarker Research,
Journal Year:
2024,
Volume and Issue:
12(1)
Published: Sept. 2, 2024
Abstract
Ferroptosis
is
a
novel
form
of
programmed
cell
death
caused
by
damage
to
lipid
membranes
due
the
accumulation
peroxides
in
response
various
stimuli,
such
as
high
levels
iron,
oxidative
stress,
metabolic
disturbance,
etc.
Sugar,
lipid,
amino
acid,
and
iron
metabolism
are
crucial
regulating
ferroptosis.
The
solute
carrier
transporters
(SLCs)
family,
known
“metabolic
gating”
cells,
responsible
for
transporting
intracellular
nutrients
metabolites.
Recent
studies
have
highlighted
significant
role
SLCs
family
members
ferroptosis
controlling
transport
nutrients.
Here,
we
summarized
function
mechanism
regulated
ion,
control
nutrients,
multiple
signaling
pathways,
with
focus
on
SLC–related
that
primarily
five
components:
glucose,
trace
metal
other
ion.
Furthermore,
potential
clinical
applications
targeting
inducers
diseases,
including
tumors,
discussed.
Overall,
this
paper
delves
into
roles
ferroptosis,
aiming
enhance
our
understanding
regulatory
mechanisms
identify
new
therapeutic
targets
applications.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Nov. 28, 2024
Cuproptosis
is
a
recently
discovered
form
of
regulated
cell
death
triggered
by
mitochondrial
copper
accumulation
and
proteotoxic
stress.
Here,
we
provide
the
first
evidence
that
glutathione
(GSH),
major
non-protein
thiol
in
cells,
acts
as
cuproptosis
inhibitor
pancreatic
ductal
adenocarcinoma
(PDAC)
cells.
Mechanistically,
GSH
inhibits
chelating
copper,
contrasting
its
role
blocking
ferroptosis
inhibiting
lipid
peroxidation.
The
classical
inducer,
ES-Cu
(elesclomol
plus
copper),
increases
protein
stability
transcription
factor
NFE2L2
(also
known
NRF2),
leading
to
upregulation
gene
expression
glutamate-cysteine
ligase
modifier
subunit
(GCLM)
catalytic
(GCLC).
GCLM
GCLC
are
rate-limiting
enzymes
synthesis,
increased
transported
into
mitochondria
via
solute
carrier
family
25
member
39
(SLC25A39)
transporter.
Consequently,
genetic
inhibition
NFE2L2-GSH-SLC25A39
pathway
enhances
cuproptosis-mediated
tumor
suppression
culture
mouse
models.
These
findings
not
only
reveal
distinct
mechanisms
ferroptosis,
but
also
suggest
potential
combination
strategy
suppress
PDAC
growth.