Chemical Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Immunogenic
cell
death
(ICD)
has
attracted
enormous
attention
over
the
past
decade
due
to
its
unique
characteristics
in
cancer
and
role
activating
innate
adaptive
immune
responses
against
tumours.
Many
efforts
have
been
dedicated
screening,
identifying
discovering
ICD
inducers,
resulting
validation
of
several
based
on
metal
complexes.
In
this
review,
we
provide
a
comprehensive
summary
current
metal-based
their
molecular
mechanisms
for
triggering
initiation
subsequent
protective
antitumour
responses,
along
with
considerations
validating
both
vitro
vivo.
We
also
aim
offer
insights
into
future
development
complexes
enhanced
ICD-inducing
properties
applications
potentiating
immunity.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
36(7)
Published: Oct. 5, 2023
Promoting
innate
immunity
through
pyroptosis
induction
or
the
cyclic
GMP-AMP
synthase-stimulator
of
interferon
gene
(cGAS-STING)
pathway
activation
has
emerged
as
a
potent
approach
to
counteract
immunosuppressive
tumor
microenvironment
and
elicit
systemic
antitumor
immunity.
However,
current
inducers
STING
agonists
often
suffer
from
limitations
including
instability,
unpredictable
side
effects,
inadequate
intracellular
expression
gasdermin
STING.
Here,
tumor-specific
nanotheranostic
platform
that
combines
photodynamic
therapy
(PDT)
with
epigenetic
simultaneously
activate
cGAS-STING
in
light-controlled
manner
is
constructed.
This
involves
development
oxidation-sensitive
nanoparticles
(NP1)
loaded
photosensitizer
TBE,
along
decitabine
nanomicelles
(NP2).
NP2
enables
restoration
E
(GSDME)
expression,
while
NP1-mediated
PDT
facilitates
release
DNA
fragments
damaged
mitochondria
potentiate
pathway,
promotes
caspase-3
cleave
upregulated
GSDME
into
pore-forming
GSDME-N
terminal.
Subsequently,
released
inflammatory
cytokines
facilitate
maturation
antigen-presentation
cells,
triggering
T
cell-mediated
Overall,
this
study
presents
an
elaborate
strategy
for
simultaneous
photoactivation
enabling
targeted
photoimmunotherapy
immunotolerant
tumors.
innovative
holds
significant
promise
overcoming
associated
existing
therapeutic
modalities
represents
valuable
avenue
future
clinical
applications.
BME Frontiers,
Journal Year:
2023,
Volume and Issue:
4
Published: Jan. 1, 2023
Ru(II)
polypyridine
complexes
have
attracted
much
attention
as
anticancer
agents
because
of
their
unique
photophysical,
photochemical,
and
biological
properties.
Despite
promising
therapeutic
profile,
the
vast
majority
compounds
are
associated
with
poor
water
solubility
cancer
selectivity.
Among
different
strategies
employed
to
overcome
these
pharmacological
limitations,
many
research
efforts
been
devoted
physical
or
covalent
encapsulation
into
nanoparticles.
This
article
highlights
recent
developments
in
design,
preparation,
physicochemical
properties
complex-loaded
nanoparticles
for
potential
application
therapy.
Acta Pharmaceutica Sinica B,
Journal Year:
2023,
Volume and Issue:
14(4), P. 1742 - 1758
Published: Dec. 16, 2023
Mitochondrial
membrane
remodeling
can
trigger
the
release
of
mitochondrial
DNA
(mtDNA),
leading
to
activation
cellular
oxidative
stress
and
immune
responses.
While
role
in
promoting
inflammation
hepatocytes
is
well-established,
its
effects
on
tumors
have
remained
unclear.
In
this
study,
we
designed
a
novel
Pt(IV)
complex,
OAP2,
which
composed
oxaliplatin
(Oxa)
acetaminophen
(APAP),
enhance
anti-tumor
amplify
response.
Our
findings
demonstrate
that
OAP2
induces
nuclear
damage,
resulting
production
DNA.
Additionally,
downregulates
expression
Sam50,
promote
mtDNA
secretion,
double-stranded
accumulation
ultimately
synergistically
activating
intracellular
cGAS-STING
pathway.
The
induced
by
overcomes
limitations
Oxa
STING
pathway
simultaneously
promotes
gasdermin-D-mediated
cell
pyroptosis.
also
dendritic
maturation
enhances
quantity
efficacy
cytotoxic
T
cells,
thereby
inhibiting
cancer
proliferation
metastasis.
Briefly,
our
study
introduces
first
small-molecule
inhibitor
regulates
for
active
immunotherapy
research,
may
provide
creative
idea
targeting
organelle
therapy.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(37)
Published: May 22, 2024
Though
platinum
(Pt)-based
complexes
have
been
recently
exploited
as
immunogenic
cell
death
(ICD)
inducers
for
activating
immunotherapy,
the
effective
activation
of
sufficient
immune
responses
with
minimal
side
effects
in
deep-seated
tumors
remains
a
formidable
challenge.
Herein,
we
propose
first
example
near-infrared
(NIR)
light-activated
and
lysosomal
targeted
Pt(II)
metallacycle
(1)
supramolecular
ICD
inducer.
1
synergistically
potentiates
immunomodulatory
response
via
multiple-regulated
approaches,
involving
NIR
light
excitation,
boosted
reactive
oxygen
species
(ROS)
generation,
good
selectivity
between
normal
tumor
cells,
enhanced
penetration/retention
capabilities.
Specifically,
has
excellent
depth-activated
ROS
production
(~7
mm),
accompanied
by
strong
anti-diffusion
anti-ROS
quenching
ability.
In
vitro
experiments
demonstrate
that
exhibits
significant
cellular
uptake
generation
cells
well
respective
multicellular
spheroids.
Based
on
these
advantages,
induces
more
efficient
an
ultralow
dose
(i.e.,
5
μM)
compared
clinical
inducer-oxaliplatin
(300
μM).
vivo,
vaccination
further
serves
potent
inducer
through
eliciting
CD8
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(30)
Published: March 21, 2024
Abstract
The
combination
of
chemotherapy
and
immunotherapy
holds
great
potential
in
clinical
treatment
advanced
cancers.
Whereas,
the
therapeutic
outcome
chemotherapeutic
immune
regulator
is
suboptimal
due
to
their
poor
tumor
availability
severe
off‐target
toxicity.
Herein,
self‐carrier
nanoparticles
(PSMT
NPs)
integrating
a
paclitaxel
(PTX)
prodrug
indoleamine
2,3‐dioxygenase
1
(IDO)
inhibitor
(1‐methyl‐tryptophan,
1MT)
for
tumor‐specific
chemo‐immunotherapy
constructed.
After
internalization
by
cancer
cells,
PSMT
NPs
can
respond
endogenous
redox
stimulus,
release
PTX
1MT.
released
not
only
promote
cell
apoptosis
via
intervention
mitosis
but
also
initiate
immunogenic
death
facilitate
recruitment
activation
tumor‐infiltrating
cytotoxic
T
lymphocytes.
concomitant
1MT
inhibit
IDO
activity
exhaust
regulatory
thereby
synergistically
activating
exhibit
potentiated
antitumor
output
toward
triple‐negative
breast
negligible
systemic
This
facile
versatile
nanoplatform
provides
promising
strategy
cooperatively
activate
immunity
chemo‐immunotherapy.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: July 17, 2024
Abstract
Cationic
polymers
have
great
potential
for
cancer
therapy
due
to
their
unique
interactions
with
cells.
However,
clinical
application
remains
limited
by
high
toxicity.
Here
we
show
a
cell
membrane-targeting
cationic
polymer
antineoplastic
activity
(P
mt
)
and
second
near-infrared
(NIR-II)
fluorescent
biodegradable
photosensitizer
Bodipy
units
reactive
oxygen
species
(ROS)
responsive
thioketal
bonds
).
Subsequently,
these
two
can
self-assemble
into
nanoparticles
(denoted
mt-NP
which
could
further
accumulate
at
the
tumor
destroy
membranes
through
electrostatic
interactions,
resulting
in
membrane
destabilization.
Meanwhile,
produces
ROS
induce
damage
membranes,
proteins,
DNAs
kill
cells
concertedly,
finally
lysis
death.
This
work
highlights
use
of
light
spatially
temporarily
control
photodynamic
therapy,
photo-immunotherapy,
NIR-II
fluorescence
bio-imaging.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(33)
Published: March 22, 2024
Abstract
Sonodynamic
therapy
(SDT)
has
demonstrated
significant
potential
in
addressing
multidrug‐resistant
bacterial
infections
due
to
its
noninvasive
nature
and
independence
from
antibiotics
light
sources.
However,
the
majority
of
current
sonosensitizers
exhibit
aggregation‐caused
quenching
(ACQ),
leading
low
reactive
oxygen
species
(ROS)
generation
efficiency.
Herein,
a
novel
nonplanar
structured
sonodynamic
(4,4‐difluoro‐4‐boron‐3a,4‐diaza‐indandiene)
BODIPY
derivative,
BODN,
with
aggregation‐induced
emission
(AIE)
properties,
rapid
substantial
ROS
by
ultrasound
is
introduced.
The
BODN
co‐assembled
commercial
amphiphilic
polymer,
mDSPE‐PEG
2000
,
forming
nanoparticles
(BODN‐NP).
Under
conditions,
BODN‐NP
demonstrates
potent
antimicrobial
activity
improves
inflammatory
response
promote
healing
wounds
infected
both
Staphylococcus
aureus
methicillin‐resistant
.
This
work
expands
use
AIE
materials
provides
new
perspectives
for
innovative
solutions
against
infections.