Bioactive Materials,
Год журнала:
2023,
Номер
33, С. 30 - 45
Опубликована: Ноя. 7, 2023
Cancer
remains
a
significant
global
health
concern,
necessitating
the
development
of
innovative
therapeutic
strategies.
This
research
paper
aims
to
investigate
role
pyroptosis
induction
in
cancer
treatment.
Pyroptosis,
form
programmed
cell
death
characterized
by
release
pro-inflammatory
cytokines
and
formation
plasma
membrane
pores,
has
gained
attention
as
potential
target
for
therapy.
The
objective
this
study
is
provide
comprehensive
overview
current
understanding
its
discusses
concept
relationship
with
other
forms
death,
such
apoptosis
necroptosis.
It
explores
immune
activation
combination
also
reviews
use
natural,
biological,
chemical,
multifunctional
composite
materials
cells.
molecular
mechanisms
underlying
these
are
discussed,
along
their
advantages
challenges
findings
highlight
novel
strategy
treatment
insights
into
different
involved
induction.
Abstract
Ferroptosis
is
a
new
form
of
regulated
cell
death
featuring
iron‐dependent
lipid
peroxides
accumulation
to
kill
tumor
cells.
A
growing
body
evidence
has
shown
the
potential
ferroptosis‐based
cancer
therapy
in
eradicating
refractory
malignancies
that
are
resistant
apoptosis‐based
conventional
therapies.
In
recent
years,
studies
have
reported
number
ferroptosis
inducers
can
increase
vulnerability
cells
by
regulating
ferroptosis‐related
signaling
pathways.
Encouraged
rapid
development
ferroptosis‐driven
therapies,
interdisciplinary
fields
combine
ferroptosis,
pharmaceutical
chemistry,
and
nanotechnology
focused.
First,
prerequisites
metabolic
pathways
for
briefly
introduced.
Then,
detail
emerging
designed
boost
ferroptosis‐induced
therapy,
including
metal
complexes,
metal‐based
nanoparticles,
metal‐free
nanoparticles
summarized.
Subsequently,
application
synergistic
strategies
with
apoptosis
other
emphasis
on
use
both
cuproptosis
induce
redox
dysregulation
intracellular
bimetallic
copper/iron
metabolism
disorders
during
treatment
discussed.
Finally,
challenges
associated
clinical
translation
future
directions
potentiating
therapies
highlighted.
Copper-based
nanoparticles
have
garnered
significant
interest
in
cancer
therapy
due
to
their
ability
induce
oxidative
stress
and
cuproptosis
cells.
However,
antitumor
effectiveness
is
constrained
by
the
dynamic
redox
balance
metabolic
shift
between
phosphorylation
glycolysis.
Here,
a
polydopamine-coated
copper-α-ketoglutaric
acid
(α-KG)
coordination
polymer
nanoparticle
(CKPP)
designed
for
combined
pyroptosis-cuproptosis
immunotherapy
amplifying
reactive
oxygen
species
(ROS)
production
regulating
cellular
metabolism.
The
intracellular
imbalance
achieved
through
synergistic
effects
of
α-KG-induced
mitochondrial
reprogramming,
photothermally
enhanced
superoxide
dismutase-like
activity
polydopamine,
glutathione
depletion
copper
ions.
multifaceted
modulation
results
substantial
increase
ROS
levels,
triggering
subsequent
pyroptosis
Furthermore,
α-KG
shifts
metabolism
from
glycolysis
phosphorylation,
thereby
enhancing
induced
combination
dyshomeostasis
inhibition
potent
enhancement
pyroptosis-cuproptosis-mediated
therapy.
In
murine
model
colorectal
cancer,
CKPP
exhibited
remarkable
anticancer
effect,
achieving
tumor
rate
96.3%
complete
eradication
two
out
five
cases.
Overall,
this
bio-engineered
metal-organic
nanocomposite
demonstrates
potential
treating
immunotherapy.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(22)
Опубликована: Март 29, 2024
The
immune
checkpoint
blockade
strategy
has
improved
the
survival
rate
of
late-stage
lung
cancer
patients.
However,
low
response
limits
immunotherapy
efficiency.
Here,
we
report
a
ROS-responsive
Fe
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 21, 2024
Overcoming
tumor
apoptosis
resistance
is
a
major
challenge
in
enhancing
cancer
therapy.
Pyroptosis,
lytic
form
of
programmed
cell
death
(PCD)
involving
inflammasomes,
Gasdermin
family
proteins,
and
cysteine
proteases,
offers
potential
treatment.
While
photodynamic
therapy
(PDT)
can
induce
pyroptosis
by
generating
reactive
oxygen
species
(ROS)
through
the
activation
photosensitizers
(PSs),
many
PSs
lack
specific
subcellular
targets
are
limited
to
first
near-infrared
window,
potentially
reducing
treatment
effectiveness.
Therefore,
developing
effective,
deep-penetrating,
organelle-targeted
pyroptosis-mediated
phototherapy
essential
for
strategies.
Here,
we
synthesized
four
molecules
with
varying
benzene
ring
numbers
thiopyrylium
structures
preliminarily
explore
their
properties.
The
near-infrared-II
(NIR-II)
PS
Z1,
higher
count,
exhibited
superior
ROS
generation
mitochondria-targeting
abilities,
large
Stokes
shift.
Through
nano-precipitation
method,
Z1
nanoparticles
(NPs)
also
demonstrated
high
(especially
type-I
ROS)
upon
808
nm
laser
irradiation,
leading
efficient
mitochondria
dysfunction
combined
apoptosis.
Moreover,
they
exceptional
tumor-targeting
ability
via
NIR-II
fluorescence
imaging
(NIR-II
FI)
photoacoustic
(PAI).
Furthermore,
NPs-mediated
effectively
inhibited
growth
minimal
adverse
effects.
Our
findings
offer
promising
strategy
therapy,
warranting
further
preclinical
investigations
PDT.
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Окт. 8, 2024
Pyroptosis,
an
immunogenic
programmed
cell
death,
could
efficiently
activate
tumor
immunogenicity
and
reprogram
immunosuppressive
microenvironment
for
boosting
cancer
immunotherapy.
However,
the
overexpression
of
SLC7A11
promotes
glutathione
biosynthesis
maintaining
redox
balance
countering
pyroptosis.
Herein,
we
develop
intermetallics
modified
with
glucose
oxidase
(GOx)
soybean
phospholipid
(SP)
as
pyroptosis
promoters
(Pd
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(31), С. 40371 - 40390
Опубликована: Июль 29, 2024
Enzymes,
a
class
of
biocatalysts,
exhibit
remarkable
catalytic
efficiency,
specificity,
and
selectivity,
governing
many
reactions
that
are
essential
for
various
cascades
within
living
cells.
The
immobilization
structurally
flexible
enzymes
on
appropriate
supports
holds
significant
importance
in
facilitating
biomimetic
transformations
extracellular
environments.
Covalent
organic
frameworks
(COFs)
have
emerged
as
ideal
candidates
enzyme
due
to
high
surface
tunability,
diverse
chemical/structural
designs,
exceptional
stability,
metal-free
nature.
Various
techniques
been
proposed
fabricate
COF-enzyme
biocomposites,
offering
enhancements
activity
reusability
COF-immobilized
well
new
insights
into
developing
advanced
enzyme-based
applications.
In
this
review,
we
provide
comprehensive
overview
state-of-the-art
strategies
immobilizing
COFs
by
focusing
their
applicability
versatility.
These
systematically
summarized
compared
categorizing
them
postsynthesis
situ
immobilization,
where
respective
strengths
limitations
thoroughly
discussed.
Combined
with
an
critical
emerging
applications,
further
elucidate
the
multifaceted
roles
subsequent
highlighting
biofunctionality
achievable
through
COFs.
Abstract
Phototheranostics
has
garnered
sustained
attention
due
to
its
significant
potential
for
revolutionizing
conventional
cancer
treatment
strategies.
While
being
one
of
the
most
commonly
employed
strategies
constructing
phototheranostic
systems
by
engineering
integration
photosensitizers
(PSs)
into
nanosystems,
nano‐PSs
face
challenges
including
complexity
in
preparation
process,
low
delivery
efficiency,
and
toxicity
issues.
Contrastingly,
burgeoning
popularity
small
molecule
PSs
characterized
aggregation‐induced
emission
(AIE)
become
evident
arena
phototheranostics.
This
preference
is
underscored
their
well‐defined
structures,
adjustable
photophysical
properties,
toxicity.
Therefore,
acquiring
profound
insights
pioneering
strides
achievable
through
a
solitary
PS
with
AIE
tumor
phototheranostics
paramount
scientific
significance.
In
this
review,
we
will
discuss
recent
progress
properties
diagnosis
phototherapies
representative
examples,
guided
ethos
“Complexity
made
easy”.
We
also
look
forward
future
development
direction
molecules,
central
objective
advancing
research
focal
emphasis
on
simplicity,
expeditiousness,
safety.