Asian Journal of Pharmaceutical Sciences,
Journal Year:
2024,
Volume and Issue:
unknown, P. 100970 - 100970
Published: Oct. 1, 2024
Ferroptosis
can
serve
as
a
potent
strategy
for
regulating
cell
death
via
lipid
peroxidation
and
the
imbalance
of
antioxidant
system
resulting
from
iron
accumulation
in
triple-negative
breast
cancer
(TNBC)
therapy.
However,
ferroptosis
accompanied
with
down-regulation
glutathione
peroxidase
4
(GPX4)
lead
to
CD36-mediated
tumor-infiltrating
CD8+
T
cells
uptaking
fatty
acids,
negative
action
on
immunotherapeutic
efficacy.
Herein,
albumin
nanoparticles,
abbreviated
LHS
NPs,
were
designed
by
co-assembly
hemin,
linoleic
acid-cystamine,
CD36
inhibitor
sulfosuccinimide
oleate,
bi-directionally
manipulated
tumor
TNBC
NPs
exerted
more
efficient
reactive
oxygen
species
generation,
depletion
malondialdehyde
production
combinatory
classical
non-classical
modes,
which
amplified
positive
cells.
Meanwhile,
inhibiting
mediated-lipid
cells,
thereby
activating
efficacy
improvements
induction
immunogenic
death,
proliferation
CD4+CD8+
natural
killer
alleviation
immunosuppressive
regulatory
myeloid-derived
suppressor
repolarization
M2-
M1-phenotype
tumor-associated
macrophages.
Thus,
demonstrated
an
improved
antitumor
suppressing
growth
lung
metastasis
4T1-tumor
mice.
Our
work
gives
novel
insights
manipulating
chemoimmunotherapy.
Cell Communication and Signaling,
Journal Year:
2024,
Volume and Issue:
22(1)
Published: May 1, 2024
Copper
plays
vital
roles
in
numerous
cellular
processes
and
its
imbalance
can
lead
to
oxidative
stress
dysfunction.
Recent
research
has
unveiled
a
unique
form
of
copper-induced
cell
death,
termed
cuproptosis,
which
differs
from
known
death
mechanisms.
This
process
involves
the
interaction
copper
with
lipoylated
tricarboxylic
acid
cycle
enzymes,
causing
protein
aggregation
death.
Recently,
growing
number
studies
have
explored
link
between
cuproptosis
cancer
development.
review
comprehensively
examines
systemic
metabolism
copper,
including
tumor-related
signaling
pathways
influenced
by
copper.
It
delves
into
discovery
mechanisms
connection
various
cancers.
Additionally,
suggests
potential
treatments
using
ionophores
that
induce
combination
small
molecule
drugs,
for
precision
therapy
specific
types.
Heliyon,
Journal Year:
2024,
Volume and Issue:
10(18), P. e37613 - e37613
Published: Sept. 1, 2024
Oxaliplatin
(OXA)-based
therapy
is
effective
in
the
treatment
of
multiple
cancers.
However,
primary
or
acquired
OXA
resistance
remains
an
emerging
challenge
for
its
clinical
application.
Ferroptosis
iron-dependent
mode
cell
death
that
has
been
demonstrated
to
play
essential
role
chemoresistance
many
drugs,
including
OXA.
In
particular,
dysregulation
SLC7A11-GPX4,
one
major
antioxidant
systems
ferroptosis,
was
found
colorectal
cancer
(CRC)
and
hepatocellular
carcinoma
(HCC).
addition,
Nrf2,
upstream
regulator
GPX4
other
factors,
also
involved
CRC
HCC.
Inhibition
SLC7A11-GPX4
Nrf2
by
genetic
deletion
pharmaceutical
inhibition
could
significantly
reverse
resistance.
Long
noncoding
RNA
(lncRNA)
participates
ferroptosis
cells.
Specifically,
LINC01134
promotes
recruitment
promoter
GPX4,
thereby
exerting
transcriptional
regulation
which
eventually
increases
sensitivity
HCC
through
upregulation
ferroptosis.
On
hand,
a
novel
lncRNA
DACT3-AS1
sensitizes
gastric
cells
miR-181a-5p/sirtuin
1(SIRT1)-mediated
Therapies
based
on
combination
enhancers
provide
new
therapeutic
insights
overcome
present
review,
we
current
understanding
ferroptosis-related
resistance,
highlight
pathogenesis
chemoresistance,
summarize
available
therapies
target
enhancing
Journal of Medicinal Chemistry,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 23, 2024
Chemoresistance
remains
an
arduous
challenge
in
oncology,
but
ferroptosis
shows
potential
for
overcoming
it
by
stimulating
the
immune
system.
Herein,
a
novel
high-performance
ruthenium(II)-based
arene
complex
[Ru(η
Nano Letters,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 27, 2025
Dual
atomic
nanozymes
(DAzymes)
are
promising
for
applications
in
the
field
of
tumor
catalytic
therapy.
Here,
integrating
with
ultrasmall
Fe5C2
nanoclusters,
asymmetric
coordination
featuring
Janus
Zn-Fe
dual-atom
sites
an
O2N2-Fe-Zn-N4
moiety
embedded
a
carbon
vacancy-engineered
hollow
nanobox
(Janus
ZnFe
DAs-Fe5C2)
was
elaborately
developed.
Theoretical
calculation
revealed
that
synergistic
effects
Zn
centers
acting
as
both
adsorption
and
active
sites,
oxygen-heteroatom
doping,
vacancy,
nanoclusters
jointly
downshifted
d-band
center
Fe
3d
orbitals,
optimizing
desorption
behaviors
intermediates
*OH,
thereby
significantly
promoting
activity.
Upon
1064
nm
laser
irradiation,
DAs-Fe5C2
superior
photothermal
conversion
efficiency
(η
=
62.5%)
showed
thermal-augmented
Fascinatingly,
multienzymatic
properties
can
suppress
expression
glutathione
peroxidase
4
accelerate
accumulation
lipid
peroxides,
through
which
ferroptosis
is
triggered.
Overall,
tannin-involved
will
inspire
more
inventions
biodegradable
DAzymes
therapy
application.
Nitric
oxide
(NO)-based
gas
therapy
has
attracted
increasing
attention
as
a
promising
approach
for
tumor
treatment,
but
elevated
levels
of
glutathione
(GSH)
in
the
microenvironment
significantly
limit
their
therapeutic
effectiveness.
In
this
study,
type
engineered
photoactivatable
nanomicelles
Ce6/NI@PEP@HA
(CNPH)
were
developed
combinational
photodynamic
and
NO
therapy.
CNPH
was
capable
targeted
accumulation
to
tumors,
where
it
depleted
GSH
released
effectively
produce
reactive
oxygen
species
(ROS)
with
oxidative
damage
under
laser
irradiation
at
660
nm.
The
consumption
induced
deactivation
peroxidase
activity,
leading
enhanced
toxic
lipid
peroxide
enabled
ferroptosis-like
outcome.
Additionally,
effective
production
ROS
resulted
mitochondrial
dysfunction,
characterized
by
disruption
membrane
potential
decreased
adenosine
triphosphate
concentration.
vivo
animal
experiments
indicated
that
achieved
inhibition
89.1%,
proven
be
more
strategy
contrast
any
single
modality.
consequence,
opened
up
new
horizon
cutting-edge
noninvasive
paradigm
advanced
treatments.
Journal of Nanobiotechnology,
Journal Year:
2025,
Volume and Issue:
23(1)
Published: March 26, 2025
Abstract
Background
Ferroptosis
is
an
emerging
cell
death
mechanism
characterized
by
uncontrolled
lipid
peroxidation.
However,
selectively
inducing
ferroptosis
in
cancer
cells
remains
a
challenge.
Methods
We
explore
approach
that
enables
induction
through
external
radiation.
The
key
component
of
this
technology
7-dehydrocholesterol
(7DHC),
natural
biosynthetic
precursor
cholesterol.
To
facilitate
delivery,
we
demonstrate
7DHC,
like
cholesterol,
can
be
incorporated
into
the
layer
liposomes.
enhance
targeting,
also
introduced
NTS
mut
,
ligand
for
neurotensin
receptor
1
(NTSR1),
which
overexpressed
multiple
malignancies,
Results
Under
radiation,
7DHC
reacts
with
radiation-induced
reactive
oxygen
species
(ROS),
initiating
radical
chain
reaction
polyunsaturated
fatty
acids
(PUFAs)
membranes.
This
process
results
direct
peroxidation
and
subsequent
ferroptotic
death.
In
vivo
studies
-conjugated,
7DHC-loaded
liposomes
(N-7DHC-lipos)
effectively
accumulate
tumors
significantly
efficacy
radiation
therapy.
Conclusion
While
conventional
radiosensitizers
primarily
target
DNA
its
repair
mechanisms,
our
study
introduces
strategy
to
radiotherapy
specifically
activating
within
irradiated
area,
thereby
minimizing
systemic
toxicity.
Such
controlled
activation
offers
favorable
therapeutic
index
potentially
opens
avenues
clinical
application.
Biomedicine & Pharmacotherapy,
Journal Year:
2024,
Volume and Issue:
175, P. 116667 - 116667
Published: May 3, 2024
Regulated
cell
death
(RCD)
is
a
form
of
that
can
be
regulated
by
numerous
biomacromolecules.
Accumulating
evidence
suggests
dysregulated
expression
and
altered
localization
related
proteins
in
RCD
promote
the
development
cancer.
Targeting
subroutines
with
pharmacological
small-molecule
compounds
becoming
promising
therapeutic
avenue
for
anti-tumor
treatment,
especially
hematological
malignancies.
Herein,
we
summarize
aberrant
mechanisms
apoptosis,
necroptosis,
pyroptosis,
PANoptosis,
ferroptosis
In
particular,
focus
on
relationship
between
tumorigenesis,
immunotherapy,
drug
resistance
Furthermore,
discuss
emerging
strategies
targeting
different
subroutines.
This
review
aims
to
significance
potential
malignancies,
along
utilization
pertinent
strategies.