Multifunctional Copper‐Phenolic Nanopills Achieve Comprehensive Polyamines Depletion to Provoke Enhanced Pyroptosis and Cuproptosis for Cancer Immunotherapy
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(45)
Published: Sept. 17, 2024
Abstract
The
overexpression
of
polyamines
in
tumor
cells
contributes
to
the
establishment
immunosuppressive
microenvironment
and
facilitates
growth.
Here,
it
have
ingeniously
designed
multifunctional
copper‐piceatannol/HA
nanopills
(Cu‐Pic/HA
NPs)
that
effectively
cause
total
intracellular
depletion
by
inhibiting
synthesis,
depleting
polyamines,
impairing
uptake,
resulting
enhanced
pyroptosis
cuproptosis,
thus
activating
a
powerful
immune
response
achieve
anti‐tumor
therapy.
Mitochondrial
dysfunction
from
overall
not
only
leads
surge
copper
ions
mitochondria,
thereby
causing
aggregation
toxic
proteins
induce
but
also
triggers
accumulation
reactive
oxygen
species
(ROS)
within
which
further
upregulates
expression
zDHHC5
zDHHC9
promote
palmitoylation
gasdermin
D
(GSDMD)
GSDMD‐N,
ultimately
inducing
pyroptosis.
Then
occurrence
cuproptosis
is
conductive
remodel
microenvironment,
responses
growth
metastasis.
This
therapeutic
strategy
through
comprehensive
provides
novel
template
for
cancer
immunotherapy.
Language: Английский
Engineering Sonosensitizer‐Derived Nanotheranostics for Augmented Sonodynamic Therapy
Fuhong Yang,
No information about this author
Jingqi Lv,
No information about this author
Wen Ma
No information about this author
et al.
Small,
Journal Year:
2024,
Volume and Issue:
20(44)
Published: July 6, 2024
Abstract
Sonodynamic
therapy
(SDT),
featuring
noninvasive,
deeper
penetration,
low
cost,
and
repeatability,
is
a
promising
approach
for
deep‐seated
tumors.
However,
the
general
or
only
utilization
of
SDT
shows
efficiency
unsatisfactory
treatment
outcomes
due
to
complicated
tumor
microenvironment
(TME)
process.
To
circumvent
issues,
three
feasible
approaches
enhancing
SDT‐based
therapeutic
effects,
including
sonosensitizer
optimization,
strategies
conquering
hypoxia
TME,
combinational
are
summarized,
with
particular
focus
on
combination
other
modalities,
chemodynamic
therapy,
photodynamic
photothermal
chemotherapy,
starvation
gas
immunotherapy.
In
end,
current
challenges
in
tumors
discussed
enhanced
effects
provided.
It
envisioned
that
this
review
will
provide
new
insight
into
strategic
design
high‐efficiency
sonosensitizer‐derived
nanotheranostics,
thereby
augmenting
accelerating
potential
clinical
transformation.
Language: Английский
A versatile nanoplatform with excellent biofilm permeability and spatiotemporal ROS regulation for peri-implantitis treatment
Zeyu Han,
No information about this author
Ying Li,
No information about this author
Xin Zhan
No information about this author
et al.
Theranostics,
Journal Year:
2025,
Volume and Issue:
15(8), P. 3490 - 3516
Published: Feb. 24, 2025
Rationale:
Dental
implant
restoration
is
essential
for
rehabilitating
dentition
defects.
However,
peri-implantitis
(PI)
seriously
threatens
the
long-term
stability
of
implants.
Treating
PI
requires
complete
eradication
plaque
biofilm
and
meticulous
modulation
inflammatory
responses.
Antibacterial
photodynamic
therapy
(aPDT)
presents
a
promising
potential
in
antibacterial
realm.
Nonetheless,
traditional
aPDT
faces
challenges
such
as
inadequate
penetration
distribution
photosensitizers,
well
lack
precise
bacteria
targeting.
Moreover,
excessive
ROS
generated
by
will
aggravate
oxidative
stress
peri-implant
tissues,
this
issue
cannot
be
neglected.
Methods:
The
CuTA-Por@ε-PL
nanoplatforms
(CPP
NPs)
were
synthesized
characterized
using
dynamic
light
scattering,
transmission
electron
microscopy,
dye
probes
detail.
anti-inflammatory
activities
CPP
NPs
evaluated
both
vitro
vivo.
vivo
therapeutic
efficacy
was
successively
analyzed
through
micro-CT,
hematoxylin
eosin
staining,
Masson's
immunofluorescence
colony
formation
units
(CFU),
among
other
techniques.
Results:
Porphyrin
(Por),
CuTA
nanozyme
with
SOD/CAT
activities,
ε-Polylysine
(ε-PL)
combined
to
fabricate
via
straightforward
approach.
notable
positive
charge
facilitated
penetration,
Then,
irradiation
660
nm
laser
triggered
burst
elimination.
After
aPDT,
scavenged
residual
modulated
host
immunity
regulating
macrophage
polarization.
As
result,
CPP-treated
groups
demonstrated
most
outstanding
performance
rat
model.
Conclusions:
Given
pathogenesis
PI,
strategy
rationally
designed
multifunctional
NP
functions
spatiotemporal
regulation.
It
provides
potentially
novel
approach
treatment,
which
may
have
profound
impact
on
improving
prognosis
patients
advancing
field
dentistry.
Language: Английский
Multi‐Enzyme Nanoparticles as Efficient Pyroptosis and Immunogenic Cell Death Inducers for Cancer Immunotherapy
Hekai Yang,
No information about this author
Guangzhao Xu,
No information about this author
Fahui Li
No information about this author
et al.
Advanced Science,
Journal Year:
2024,
Volume and Issue:
11(44)
Published: Oct. 9, 2024
Abstract
Immunotherapy
represents
a
widely
employed
modality
in
clinical
oncology,
leveraging
the
activation
of
human
immune
system
to
target
and
eradicate
cancer
cells
tumor
tissues
via
endogenous
mechanisms.
However,
its
efficacy
remains
constrained
by
inadequate
responses
within
“cold”
microenvironment
(TME).
In
this
study,
multifunctional
nanoscale
pyroptosis
inducer
with
cascade
enzymatic
activity
(IMZF),
comprising
superoxide
dismutase
(SOD),
catalase
(CAT),
peroxidase
(POD),
glutathione
oxidase
(GSHO
x
),
is
dissociated
acidic
glutathione‐rich
TME.
The
vigorous
not
only
generates
oxygen
(O
2
)
alleviate
hypoxia
promote
M2
M1
macrophage
polarization
but
also
yields
reactive
species
(ROS)
depletes
(GSH)
Functioning
as
an
immunogenic
cell
death
(ICD)
activator
inducer,
IMZF
synergistically
triggers
dendritic
maturation
inflammatory
lymphocyte
infiltration
ICD‐associated
pyroptosis,
thereby
reversing
suppression
TMEs.
Consequently,
it
exerts
inhibitory
effects
on
both
primary
distal
tumors.
This
platform‐based
offers
intelligent
strategy
for
effectively
overcoming
tumors,
providing
promising
avenue
advanced
immunotherapeutic
interventions.
Language: Английский
Harnessing nanomaterials for copper-induced cell death
Su-Ran Li,
No information about this author
Shi-Yue Tao,
No information about this author
Qian Li
No information about this author
et al.
Biomaterials,
Journal Year:
2024,
Volume and Issue:
313, P. 122805 - 122805
Published: Sept. 3, 2024
Language: Английский
Mitochondria-targeted H2O2 homeostatic disruptors: Harnessing glutathione autoxidation and reversing GSDME “silencing” for ferroptotic and dual-pathway pyroptotic oncotherapy
Nano Today,
Journal Year:
2025,
Volume and Issue:
61, P. 102640 - 102640
Published: Jan. 14, 2025
Language: Английский
Organometallic-based pyroptotic inducers for cancer immunotherapy
Jie Xu,
No information about this author
Yang Ce-yao,
No information about this author
Qi Yu
No information about this author
et al.
Journal of Organometallic Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown, P. 123571 - 123571
Published: Feb. 1, 2025
Language: Английский
Acidity-Unlocked Glucose Oxidase as Drug Vector to Boost Intratumor Copper Homeostatic Imbalance-Enhanced Cuproptosis for Metastasis Inhibition and Anti-Tumor Immunity
Biomaterials,
Journal Year:
2025,
Volume and Issue:
319, P. 123207 - 123207
Published: Feb. 28, 2025
Language: Английский
Switchable Nanophotosensitizers as Pyroptosis Inducers for Targeted Boosting of Antitumor Photoimmunotherapy
Xiaoxi Zhao,
No information about this author
Q.P. Zhong,
No information about this author
Naibijiang Abudouaini
No information about this author
et al.
Biomacromolecules,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 8, 2025
Photodynamic
therapy
(PDT)
has
emerged
as
a
promising
modality
for
cancer
treatment,
but
its
clinical
application
is
constrained
by
unexpected
phototoxicity
arising
from
nonspecific
photosensitizer
activation
and
their
"always-on"
nature.
Herein,
we
developed
switchable
nanophotosensitizer,
poly(cation-π)
nanoparticles
(NP),
which
achieves
supramolecular
assembly
through
cation-π
interactions.
By
coupling
choline
cationic
moieties
with
aromatic
photosensitizers
(ZnPc),
the
polymer
facilitates
self-assembly
driven
interactions
NP
engineering.
Surprisingly,
photoactivity
of
ZnPc
was
completely
quenched
upon
complexation
via
interactions,
thereby
significantly
avoiding
skin
phototoxicity.
Upon
targeting
tumor
cells,
undergoes
GSH-responsive
degradation
process
that
weakens
leading
to
spontaneous
restoration
amplifying
immunogenic
pyroptosis.
In
vivo
studies
demonstrated
achieved
high
inhibition
rate
84%
while
effectively
This
work
provides
novel
perspective
enhancing
safety
efficacy
PDT-based
treatment.
Language: Английский
Pyroptosis induced by natural products and their derivatives for cancer therapy
Yingfei Wen,
No information about this author
You Li,
No information about this author
Binbin Li
No information about this author
et al.
Biomaterials Science,
Journal Year:
2024,
Volume and Issue:
12(22), P. 5656 - 5679
Published: Jan. 1, 2024
This
review
is
focused
on
using
natural
products
for
cancer
therapy
by
inducing
pyroptosis-related
signaling
pathways.
Natural
product-based
compounds
can
also
be
combined
with
other
antitumor
therapies
a
synergistic
effect.
Language: Английский