Advanced Materials,
Год журнала:
2024,
Номер
36(21)
Опубликована: Фев. 10, 2024
Abstract
Immunotherapy
has
received
widespread
attention
for
its
effective
and
long‐term
tumor‐eliminating
ability.
However,
immunogenic
“cold”
tumors,
such
as
prostate
cancer
(PCa),
the
low
immunogenicity
of
tumor
itself
is
a
serious
obstacle
to
efficacy.
Here,
this
work
reports
strategy
enhance
PCa
by
triggering
cascade
self‐enhanced
ferroptosis
in
cells,
turning
from
“hot”.
This
develops
transformable
self‐assembled
peptide
TEP‐FFG‐CRApY
with
alkaline
phosphatase
(ALP)
responsiveness
glutathione
peroxidase
4
(GPX4)
protein
targeting.
self‐assembles
into
nanoparticles
under
aqueous
conditions
transforms
nanofibers
response
ALP
during
endosome/lysosome
uptake
promoting
lysosomal
membrane
permeabilization
(LMP).
On
one
hand,
released
TEP‐FFG‐CRAY
target
GPX4
selectively
degrade
light
irradiation,
inducing
ferroptosis;
on
other
large
amount
leaked
Fe
2+
further
amplify
through
Fenton
reaction.
TEP‐FFG‐CRApY‐induced
improves
cell
maturation
dendritic
cells
(DCs)
increasing
intratumor
T‐cell
infiltration.
More
importantly,
recovered
T
secreting
amounts
interferon‐gamma
(IFN‐γ).
provides
novel
molecular
design
synergistic
molecularly
targeted
therapy
tumors.
Chemical Society Reviews,
Год журнала:
2023,
Номер
52(6), С. 2031 - 2081
Опубликована: Янв. 1, 2023
Bioactive
materials
are
a
special
class
of
biomaterials
that
can
react
in
vivo
to
induce
biological
response
or
regulate
functions,
thus
achieving
better
curative
effect
than
traditional
inert
biomaterials.
For
cancer
theranostics,
compared
with
organic
polymer
nanomaterials,
inorganic
nanomaterials
possess
unique
physical
and
chemical
properties,
have
stronger
mechanical
stability
on
the
basis
maintaining
certain
bioactivity,
easy
be
compounded
various
carriers
(polymer
carriers,
etc.),
so
as
achieve
specific
antitumor
efficacy.
After
entering
nanoscale,
due
nano-size
effect,
high
surface
area
nanostructures,
exhibit
effects,
which
significantly
influence
interaction
organisms.
Therefore,
research
applications
bioactive
theranostics
attracted
wide
attention.
In
this
review,
we
mainly
summarize
recent
progress
also
introduce
definition,
synthesis
modification
strategies
nanomaterials.
Thereafter,
tumor
imaging
therapy,
including
microenvironment
(TME)
regulation,
catalytic
gas
regulatory
cell
death
immunotherapy,
discussed.
Finally,
biosafety
challenges
mentioned,
their
future
development
opportunities
prospected.
This
review
highlights
bioapplication
Abstract
Metal‐based
nanomaterials
have
attracted
broad
attention
recently
due
to
their
unique
biological
physical
and
chemical
properties
after
entering
tumor
cells,
namely
effects.
In
particular,
the
abilities
of
Ca
2+
modulate
T
cell
receptors
activation,
K
+
regulate
stem
differentiation,
Mn
activate
STING
pathway,
Fe
2+/3+
induce
ferroptosis
enhance
catalytic
therapy,
make
metal
ions
metal‐based
play
crucial
roles
in
cancer
treatments.
Therefore,
superior
advantages
characteristics
microenvironment,
we
will
summarize
recent
progress
anti‐tumor
effects
nanomaterials.
Based
on
different
this
review
mainly
focuses
following
five
aspects:
(1)
metal‐enhanced
radiotherapy
sensitization,
(2)
(3)
ferroptosis,
(4)
pyroptosis,
(5)
immunotherapy.
At
same
time,
shortcomings
therapy
are
also
discussed,
future
research
directions
been
prospected.
The
highlights
promising
biosafety,
potent
efficacy
for
in‐depth
various
mechanism
studies
provide
novel
ideas
application
Nature Communications,
Год журнала:
2023,
Номер
14(1)
Опубликована: Сен. 2, 2023
Immunogenic
programmed
cell
death,
such
as
pyroptosis
and
ferroptosis,
efficiently
induces
an
acute
inflammatory
response
boosts
antitumor
immunity.
However,
the
exploration
of
dual-inducers,
particularly
nonmetallic
inducers,
capable
triggering
both
ferroptosis
remains
limited.
Here
we
show
construction
a
covalent
organic
framework
(COF-919)
from
planar
twisted
AIEgen-based
motifs
dual-inducer
for
efficient
Mechanistic
studies
reveal
that
COF-919
displays
stronger
near-infrared
light
absorption,
lower
band
energy,
longer
lifetime
to
favor
generation
reactive
oxygen
species
(ROS)
photothermal
conversion,
pyroptosis.
Because
its
good
ROS
production
capability,
it
upregulates
intracellular
lipid
peroxidation,
leading
glutathione
depletion,
low
expression
peroxidase
4,
induction
ferroptosis.
Additionally,
by
effectively
inhibits
tumor
metastasis
recurrence,
resulting
in
over
90%
growth
inhibition
cure
rates
exceeding
80%.
Journal of the American Chemical Society,
Год журнала:
2023,
Номер
145(13), С. 7205 - 7217
Опубликована: Март 23, 2023
The
desirable
curative
effect
in
clinical
immunotherapy
has
been
challenging
due
to
the
immunosuppressive
tumor
microenvironment
(TME)
with
high
lactic
acid
(LA)
metabolism
solid
tumors.
Although
targeting
metabolic
reprogramming
of
cells
can
restore
survival
and
function
immune
TME,
it
is
also
plagued
by
insufficient
immunogenicity.
Herein,
an
activatable
immunomodulatory
nanoadjuvant
CuSe/CoSe2@syrosingopine
(CSC@Syro)
constructed
for
simultaneously
relieving
TME
boosting
response.
Specifically,
CuSe/CoSe2
(CSC)
exhibits
TME-activated
glutathione
(GSH)
depletion
hydroxyl
radical
(•OH)
generation
potential
ferroptosis.
Meanwhile,
remarkable
photothermal
conversion
efficiency
elevated
photocatalytic
ROS
level
both
promote
CSC
heterostructures
induce
robust
immunogenic
cell
death
(ICD).
Besides,
loaded
syrosingopine
inhibitor
achieves
LA
blockade
cancer
downregulating
expression
monocarboxylate
transporter
4
(MCT4),
which
could
sensitize
ferroptosis
intracellular
milieu
acidification
neutralize
acidic
alleviate
immunosuppression.
Hence,
advanced
modulation
confers
potentiated
infiltration
ICD-stimulated
T
lymphocytes
further
reinforces
antitumor
therapy.
In
brief,
CSC@Syro-mediated
synergistic
therapy
elicit
potent
immunogenicity
suppress
proliferation
metastasis
effectually
integrating
regulation
immunotherapy.
Abstract
Extracellular
vesicles
(EVs)
are
cell‐derived
nanosized
that
mediate
cell‐to‐cell
communication
via
transporting
bioactive
molecules
and
thus
critically
involved
in
various
physiological
pathological
conditions.
EVs
contribute
to
different
aspects
of
cancer
progression,
such
as
growth,
angiogenesis,
metastasis,
immune
evasion,
drug
resistance.
induce
the
resistance
cells
chemotherapy,
radiotherapy,
targeted
therapy,
antiangiogenesis
immunotherapy
by
transferring
specific
cargos
affect
efflux
regulate
signaling
pathways
associated
with
epithelial‐mesenchymal
transition,
autophagy,
metabolism,
stemness.
In
addition,
modulate
reciprocal
interaction
between
noncancer
tumor
microenvironment
(TME)
develop
therapy
detectable
many
biofluids
patients,
regarded
novel
biomarkers
for
monitoring
response
predicting
prognosis.
Moreover,
suggested
promising
targets
engineered
nanovehicles
deliver
drugs
overcoming
therapy.
this
review,
biological
roles
their
mechanisms
action
summarized.
The
preclinical
studies
on
using
also
discussed.
Cell Death and Disease,
Год журнала:
2022,
Номер
13(11)
Опубликована: Ноя. 5, 2022
Abstract
The
term
ferroptosis
was
put
forward
in
2012
and
has
been
researched
exponentially
over
the
past
few
years.
Ferroptosis
is
an
unconventional
pattern
of
iron-dependent
programmed
cell
death,
which
belongs
to
a
type
necrosis
distinguished
from
apoptosis
autophagy.
Actuated
by
phospholipid
peroxidation,
modulated
various
cellular
metabolic
signaling
pathways,
including
amino
acid,
lipid,
iron,
mitochondrial
metabolism.
Notably,
associated
with
numerous
diseases
plays
double-edged
sword
role.
Particularly,
metastasis-prone
or
highly-mutated
tumor
cells
are
sensitive
ferroptosis.
Hence,
inducing
prohibiting
vastly
promising
potential
treating
drug-resistant
cancers.
Immunotolerant
cancer
not
traditional
death
pathway
such
as
necroptosis,
while
crucial
role
mediating
immune
antagonize
tolerance,
broad
prospects
clinical
setting.
Herein,
we
summarized
mechanisms
delineated
regulatory
network
ferroptosis,
emphasized
its
dual
proposed
significant
benefits
microenvironment,
ultimately
presented
some
provocative
doubts.
This
review
aims
provide
practical
guidelines
research
directions
for
practice
immune-resistant
tumors.
Angewandte Chemie International Edition,
Год журнала:
2022,
Номер
61(18)
Опубликована: Фев. 17, 2022
Abstract
Radiotherapy
(RT)
is
hampered
by
the
limited
oxygen
in
tumors,
which
could
be
potentiated
via
reprogramming
metabolism
and
increasing
utilization
efficiency.
Herein,
a
metal‐phenolic
nanosensitizer
(Hf‐PSP‐DTC@PLX)
was
integrated
an
acid‐sensitive
hydrogen
sulfide
(H
2
S)
donor
(polyethylene
glycol‐co‐polydithiocarbamates,
PEG‐DTC)
hafnium‐chelated
polyphenolic
semiconducting
polymer
(Hf‐PSP)
amphiphilic
(poloxamer
F127,
PLX).
Hf‐PSP‐DTC@PLX
elicited
high
imaging
performance
for
precise
RT
generated
H
S
to
reduce
cellular
consumption
rate
mitochondrial
respiration
inhibition,
reprogrammed
improvement
of
tumor
oxygenation.
Then,
Hf‐sensitization
fully
utilize
well‐preserved
intensify
efficacy
activate
immunogenicity.
Such
synergistic
strategy
oxygenation
would
have
great
potential
optimizing
oxygen‐dependent
therapeutics.