Journal of Translational Medicine,
Год журнала:
2025,
Номер
23(1)
Опубликована: Фев. 28, 2025
Cancer-associated
fibroblasts
(CAFs)
have
been
identified
to
drive
chemotherapy
resistance
in
triple-negative
breast
cancer
(TNBC).
This
study
evaluated
the
functions
of
CAFs-mediated
suppressive
ferroptosis
doxorubicin
(DOX)
TNBC
and
its
detailed
molecular
mechanisms.
cell
lines
were
co-cultured
with
CAFs
isolated
from
DOX-sensitive
(CAF/S)
or
DOX-resistant
(CAF/R)
tissues.
Cell
viability
death
assessed
by
counting
Kit-8
(CCK-8)
propidium
iodide
(PI)
staining.
Ferroptosis
was
detection
Fe2+,
malondialdehyde
(MDA),
glutathione
(GSH),
lipid
reactive
oxygen
species
(ROS)
levels.
Histone
lactylation
determined
lactate
production,
pan-Kla
H3K18la
expression.
Molecular
mechanism
chromatin
immunoprecipitation
(ChIP)
dual
luciferase
reporter
system.
Molecule
protein
expression
detected
quantitative
Real-Time
PCR
(RT-qPCR),
Western
blotting,
immunofluorescence
immunohistochemical
cells
injected
into
mammary
fat
pad
nude
mice
investigate
DOX
sensitivity
vivo.
CAFs-derived
repressed
confer
DOX.
Moreover,
zinc
finger
64
(ZFP64)
elevated
associated
high
histone
level.
facilitated
enhance
ZFP64
expression,
which
triggered
inhibition
resistance.
In
addition,
bound
promoters
GTP
cyclohydrolase-1
(GCH1)
ferritin
heavy
chain
1
(FTH1),
thereby
promoting
their
Rescue
experiments
indicated
that
silencing-induced
could
be
counteracted
GCH1
FTH1
overexpression.
acted
as
a
inhibitor
cause
via
lactylation-mediated
up-regulation
subsequent
promotion
GCH1-induced
peroxidation
FTH1-induced
intracellular
Fe2+
consumption.
Cancer Drug Resistance,
Год журнала:
2025,
Номер
8(1)
Опубликована: Янв. 6, 2025
Ferroptosis
is
an
iron-dependent
form
of
programmed
cell
death
induced
by
lipid
peroxidation.
This
process
regulated
signaling
pathways
associated
with
redox
balance,
iron
metabolism,
and
metabolism.
Cancer
cells'
increased
demand
makes
them
especially
susceptible
to
ferroptosis,
significantly
influencing
cancer
development,
therapeutic
response,
metastasis.
Recent
findings
indicate
that
cells
can
evade
ferroptosis
downregulating
key
related
this
process,
contributing
drug
resistance.
underscores
the
possibility
modulating
as
approach
counteract
resistance
enhance
efficacy.
review
outlines
involved
in
their
interactions
cancer-related
pathways.
We
also
highlight
current
understanding
resistance,
offering
insights
into
how
targeting
provide
novel
approaches
for
drug-resistant
cancers.
Finally,
we
explore
potential
ferroptosis-inducing
compounds
examine
challenges
opportunities
development
evolving
field.
Biomedicine & Pharmacotherapy,
Год журнала:
2023,
Номер
169, С. 115866 - 115866
Опубликована: Ноя. 10, 2023
Triple-negative
breast
cancer
(TNBC),
the
most
aggressive
form
of
cancer,
presents
severe
threats
to
women's
health.
Therefore,
it
is
critical
find
novel
treatment
approaches.
Ferroptosis,
a
newly
identified
programmed
cell
death,
marked
by
buildup
lipid
reactive
oxygen
species
(ROS)
and
high
iron
concentrations.
According
previous
studies,
ferroptosis
sensitivity
can
be
controlled
number
metabolic
events
in
cells,
such
as
amino
acid
metabolism,
metabolism.
Given
that
TNBC
tumors
are
rich
lipids,
inducing
these
potential
approach
for
treatment.
Notably,
adaptability
cells
allows
them
coordinate
an
attack
on
one
or
more
pathways
initiate
ferroptosis,
offering
perspective
improve
drug
resistance
clinical
therapy
TNBC.
However,
clear
picture
still
needs
completely
revealed.
In
this
review,
we
provide
overview
recent
advancements
regarding
connection
between
acid,
iron,
metabolism
We
also
discuss
probable
significance
innovative
target
chemotherapy,
radiotherapy,
immunotherapy,
nanotherapy
natural
product
TNBC,
highlighting
its
therapeutic
application
prospects.
Journal of Nanobiotechnology,
Год журнала:
2024,
Номер
22(1)
Опубликована: Март 10, 2024
Abstract
Background
Despite
the
higher
sensitivity
of
melanoma
towards
ferroptosis
and
photodynamic
therapy
(PDT),
lack
efficient
inducers
poor
solubility
photosensitizers
restrict
their
synergistic
strategies.
With
unique
advantages,
carbon
dots
(CDs)
are
expected
to
serve
as
innovative
building
blocks
for
combination
cancers.
Results
Herein,
an
ferroptosis/PDT
integrated
nanoplatform
is
constructed
based
on
chlorin
e6-modified
Fe
ions-doped
(Fe-CDs@Ce6).
As
a
novel
type
iron-carbon
hybrid
nanoparticles,
as-prepared
Fe-CDs
can
selectively
activate
ferroptosis,
prevent
angiogenesis
inhibit
migration
mouse
skin
cells
(B16),
but
have
no
toxicity
normal
cells.
The
nano-conjugated
structures
facilitate
not
only
aqueous
dispersibility
Ce6,
also
self-accumulation
ability
Fe-CDs@Ce6
within
area
without
requiring
extra
targets.
Moreover,
therapeutic
effects
synergistically
enhanced
due
increased
GSH
depletion
by
PDT
elevated
singlet
oxygen
(
1
O
2
)
production
efficiency
Fe-CDs.
When
combined
with
laser
irradiation,
tumor
growth
be
significantly
suppressed
through
cyclic
administration.
T
-weighted
magnetic
resonance
imaging
(MRI)
capability
reveals
potentials
cancer
diagnosis
navigation
therapy.
Conclusions
Our
findings
indicate
multifunctionality
in
effectively
combining
therapy,
targeting
MRI
imaging,
which
enables
become
promising
biocompatible
treatment
melanoma.
Graphic
Journal of Experimental & Clinical Cancer Research,
Год журнала:
2024,
Номер
43(1)
Опубликована: Ноя. 30, 2024
Abstract
Background
Triple-negative
breast
cancer
(TNBC)
is
currently
the
most
aggressive
subtype
of
cancer,
characterized
by
high
heterogeneity
and
strong
invasiveness,
lacks
effective
therapies.
PRMT5,
a
type
II
protein
arginine
methyltransferase,
upregulated
in
numerous
cancers,
including
TNBC,
plays
critical
role,
marked
it
as
an
attractive
therapeutic
target.
PROTAC
(Proteolysis
Targeting
Chimeras)
innovative
drug
development
technology
that
utilizes
ubiquitin-proteasome
system
(UPS)
to
degrade
target
proteins,
which
higher
activity,
enhanced
safety,
lower
resistance,
reduced
toxicity,
offering
significant
value
for
clinical
translation.
Methods
This
study
develop
potential
degraders
targeting
PRMT5
vitro
vivo.
Results
Through
design,
synthesis
screening
series
targeted
compounds,
we
identified
YZ-836P
compound
exerted
cytotoxic
effects
levels
its
key
downstream
KLF5
TNBC
after
48
h.
Its
efficacy
was
significantly
superior
had
been
reported.
induced
G1
phase
cell
cycle
arrest
apoptosis
cells.
Additionally,
demonstrated
promoted
ubiquitination
degradation
cereblon
(CRBN)-dependent
manner.
Notably,
exhibited
pronounced
inhibiting
growth
patient-derived
organoids
xenografts
nude
mice.
Conclusions
These
findings
position
promising
candidate
advancing
treatment
modalities
TNBC.
Trial
registration
Ethics
Committee
Yunnan
Cancer
Hospital,
KYCS2023-078.
Registered
7
June
2023.
Journal for ImmunoTherapy of Cancer,
Год журнала:
2024,
Номер
12(9), С. e009600 - e009600
Опубликована: Сен. 1, 2024
Hyperactivated
protein
arginine
methyltransferases
(PRMTs)
are
implicated
in
human
cancers.
Inhibiting
tumor
intrinsic
PRMT5
was
reported
to
potentiate
antitumor
immune
responses,
highlighting
the
possibility
of
combining
inhibitors
(PRMT5i)
with
cancer
immunotherapy.
However,
global
suppression
activity
impairs
effector
functions
cells.
Here,
we
sought
identify
strategies
specifically
inhibit
tissues
and
develop
effective
PRMT5i-based
immuno-oncology
(IO)
combinations
for
treatment,
particularly
methylthioadenosine
phosphorylase
(MTAP)-loss
cancer.
Cholangiocarcinoma
(CCA)
is
a
very
difficult-to-treat
cancer.
Chemotherapies
are
little
effective
and
response
to
immune
checkpoint
inhibitors
limited.
Therefore,
new
therapeutic
strategies
need
be
identified.
Abstract
Ferroptosis
is
a
form
of
cell
death
that
triggered
by
the
presence
ferrous
ions
and
characterized
lipid
peroxidation
induced
these
ions.
The
mechanism
exhibits
distinct
morphological
characteristics
compared
to
apoptosis,
autophagy,
necrosis.
A
notable
aspect
ferroptosis
its
ability
inhibit
uncontrolled
tumor
replication
immortalization,
especially
in
malignant,
drug-resistant,
metastatic
tumors.
Additionally,
immunotherapy,
novel
therapeutic
approach
for
tumors,
has
been
found
have
reciprocal
regulatory
relationship
with
context
anti-tumor
therapy.
comprehensive
analysis
immunotherapy
therapy
presented
this
paper,
highlighting
potential
mutual
adjuvant
effects.
Specifically,
we
discuss
mechanisms
underlying
emphasizing
their
improve
immune
microenvironment
enhance
immunotherapeutic
Furthermore,
investigate
how
factors
may
increase
sensitivity
cells
ferroptosis.
We
aim
provide
prospective
view
promising
value
combined
anticancer
elucidating
network
between
each.
Graphical
involves
intricate
crosstalk
cells.
Through
MHC
recognition,
CD8
+
T
activate
JAK1/STAT1
pathway
cells,
impairing
function
System
Xc
reducing
GSH
GPX4
expression
promote
activation
STAT1-IRF1-ACSL4
could
also
blockade
antioxidant
induces
ferroptosis,
released
DAMPs
DCs
maturation
through
cGAMP-STING-TBK1
pathway,
leading
antigen
presentation
activates
release
M1-type
polarization
macrophages,
which
exerts
an
effect.
effects
be
enhanced
blocking
inhibitory
checkpoints
such
as
PD-1,
PD-L1,
CTLA4,
LAG3.
Abbreviations:
ACSL4,
acyl-CoA
synthetase
long-chain
family
member
4;
BH4,
tetrahydrobiopterin;
cGAMP,
cyclic
GMP-AMP;
cytotoxic
lymphocyte-associated
antigen-4;
DCs,
dendritic
cells;
DHFR,
dihydrofolate
reductase;
DHODH,
dihydroorotate
dehydrogenase;
GPX4,
glutathione
peroxidase
GSH,
glutathione;
HIF-1α,
Hypoxia-Inducible
Factor-1α;IFN-γ,
interferon-γ;
IRF1,
interferon
factor
1;IRP1,
iron
protein
1;
JAK
1,
janus
kinase;
LAG3,
lymphocyte
gene
3;
MHC,
major
histocompatibility
complex;
NRF2,
nuclear
erythroid-2-related
2;
programmed
-1;
ligand
PUFA,
polyunsaturated
fatty
acid;
ROS,
reative
oxygen
species;
STAT1,
signal
transducer
activator
transcription
STING,
stimulator
genes;
TBK1,
TANK-binding
kinase
1
TLR2,
toll-like
receptor
2.
This
diagram
was
drawn
Figdraw
(
www.figdraw.com
).