Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 10, 2025
Abstract
Sonocatalytic
therapy
is
gaining
interest
for
its
non‐invasive
nature,
precise
control,
and
excellent
tissue
penetration,
making
it
a
promising
approach
treating
malignant
tumors.
While
defect
engineering
enhances
electron
hole
separation
to
boost
reactive
oxygen
species
(ROS)
generation,
challenges
in
constructing
effective
traps
compared
severely
limit
ROS
production.
In
this
study,
2D
ZnIn
2
S
4
‐V
nanosheets
enriched
are
rationally
designed
with
vacancies
the
efficient
capture
of
electrons
holes,
which
has
achieved
substantial
sonocatalytic
performance
suppressing
tumor
growth.
Compared
pristine
nanosheets,
possess
periodic
electrostatic
potential
inherent
their
structure,
effectively
disrupt
field,
promote
simultaneous
migration
charge
carriers,
inhibit
recombination,
thereby
boosting
production
inducing
cell
pyroptosis
via
ROS‐NLRP3‐caspase‐1‐GSDMD
pathway
under
ultrasound
(US)
irradiation.
Furthermore,
both
exhibited
remarkable
biocompatibility.
vitro
vivo
antineoplastic
experiments
demonstrate
that
promotes
elimination,
underscoring
critical
importance
defect‐engineered
optimization
therapy.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: Aug. 8, 2024
Although
nanocatalytic
medicine
has
demonstrated
its
advantages
in
tumor
therapy,
the
outcomes
heavily
relie
on
substrate
concentration
and
metabolic
pathways
are
still
indistinct.
We
discover
that
violet
phosphorus
quantum
dots
(VPQDs)
can
catalyze
production
of
reactive
oxygen
species
(ROS)
without
requiring
external
stimuli
catalytic
substrates
confirmed
to
be
(O2)
hydrogen
peroxide
(H2O2)
through
computational
simulation
experiments.
Considering
short
O2
H2O2
at
site,
we
utilize
calcium
(CaO2)
supply
for
VPQDs
construct
nanoparticles
together
with
them,
named
VPCaNPs.
VPCaNPs
induce
oxidative
stress
cells,
particularly
characterized
by
a
significant
increase
hydroxyl
radicals
superoxide
radicals,
which
cause
substantial
damage
structure
function
ultimately
leading
cell
apoptosis.
Intriguingly,
provided
CaO2
degrade
slowly,
degradation
product,
phosphate,
as
well
CaO2-generated
ions,
promote
calcification.
Antitumor
immune
activation
less
metastasis
also
observed
administrated
animals.
In
conclusion,
our
study
unveils
anti-tumor
activity
catalysts
generating
cytotoxic
ROS
products
calcification,
providing
promising
strategy
treating
tumors.
Microbial Biotechnology,
Journal Year:
2025,
Volume and Issue:
18(1)
Published: Jan. 1, 2025
Using
synthetic
biology
techniques,
bacteria
have
been
engineered
to
serve
as
microrobots
for
diagnosing
diseases
and
delivering
treatments.
These
can
be
used
individually
or
in
combination
microbial
consortia.
The
components
within
these
consortia
complement
each
other,
enhancing
diagnostic
accuracy
providing
synergistic
effects
that
improve
treatment
efficacy.
application
of
therapies
cancer,
intestinal
diseases,
metabolic
disorders
underscores
their
significant
potential.
impact
on
the
host's
native
microbiota
is
crucial,
microbes
modulate
interact
with
environment,
influencing
outcomes
overall
health.
Despite
numerous
advancements,
challenges
remain.
include
ensuring
long-term
survival
safety
bacteria,
developing
new
chassis
gene
editing
techniques
non-model
strains,
minimising
potential
toxicity,
understanding
bacterial
interactions
host
microbiota.
This
mini-review
examines
current
state
disease
diagnosis
treatment,
highlighting
challenges,
future
directions
this
promising
field.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 3, 2024
Compared
with
conventional
therapies,
photoimmunotherapy
offers
precise
targeted
cancer
treatment
minimal
damage
to
healthy
tissues
and
reduced
side
effects,
but
its
efficacy
may
be
limited
by
shallow
light
penetration
the
potential
for
tumor
resistance.
Here,
an
acceptor-donor-acceptor
(A-D-A)-structured
nanoaggregate
is
developed
dual
phototherapy,
including
photodynamic
therapy
(PDT)
photothermal
(PTT),
triggered
single
near-infrared
(NIR)
light.
Benefiting
from
strong
intramolecular
charge
transfer
(ICT),
A-D-A-structured
nanoaggregates
exhibit
broad
absorption
extending
NIR
region
effectively
suppressed
fluorescence,
which
enables
deep
efficient
conversion
(η
=
67.94%).
A
suitable
HOMO-LUMO
distribution
facilitates
sufficient
intersystem
crossing
(ISC)
convert
ground-state
oxygen
(
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 9, 2024
Abstract
The
existence
of
the
blood–brain
barrier
(BBB)
and
characteristics
immunosuppressive
microenvironment
in
glioblastoma
(GBM)
present
significant
challenges
for
targeted
GBM
therapy.
To
address
this,
a
biomimetic
hybrid
cell
membrane‐modified
dual‐driven
heterojunction
nanomotor
(HM@MnO
2
‐AuNR‐SiO
)
is
proposed
treatment.
These
nanomotors
are
designed
to
bypass
BBB
target
glioma
regions
by
mimicking
surface
macrophage
membranes.
More
importantly,
MnO
structure
enables
propulsion
through
near‐infrared‐II
(NIR‐II)
light
oxygen
bubbles,
allowing
effective
treatment
at
deep
tumor
sites.
Meanwhile,
plasmonic
AuNR‐MnO
heterostructure
facilitates
separation
electron–hole
pairs
generates
reactive
species
(ROS),
inducing
immunogenic
death
under
NIR‐II
laser
irradiation.
Furthermore,
reacts
release
Mn
2+
ions,
activating
cGAS‐STING
pathway
enhancing
antitumor
immunity.
In
vitro
vivo
experiments
demonstrate
that
these
achieve
active
targeting
infiltration,
promoting
M1
polarization,
dendritic
maturation,
effector
T‐cell
activation,
thereby
catalysis
immunotherapy
ROS
production
STING
activation.
Nano Letters,
Journal Year:
2024,
Volume and Issue:
24(50), P. 16132 - 16142
Published: Dec. 6, 2024
Immunotherapy
is
revolutionizing
oncology,
but
its
therapeutic
efficiency
still
limited
by
the
off-target
toxicities
and
poor
antitumor
immune
responses.
By
integrating
drug-loaded
nanoparticles
(DMnSH)
with
unique
metabolic
traits
of
Veillonella
parvula
(Vei),
a
probiotic–nanomedicine
conjugate
Vei@DMnSH
biohybrid
elaborately
designed
for
enhanced
cancer
chemo-immunotherapy.
Specifically,
can
accumulate
in
hypoxic
tumor
sites
simultaneously
consume
lactate
cysteine
to
reverse
lactate-associated
immunosuppression
impede
biosynthesis
GSH.
In
addition,
DMnSH
will
rapidly
deplete
intracellular
GSH
disassemble
release
DOX
Mn2+.
Accompanied
two-pronged
depletion,
Mn2+-mediated
Fenton-like
reaction
effectively
generate
oxidative
hydroxyl
radicals
induce
heavy
redox
imbalance.
Combined
effect
DOX,
robust
immunogenic
cell
death
provoked
subsequently
activates
adaptive
immunity
suppression
rate
over
82%,
synergistically
enhancing
outcomes
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 18, 2024
Photoagents
with
ultra-high
near-infrared
II
(NIR-II)
light
energy
conversion
efficiency
hold
great
promise
in
tumor
phototherapy
due
to
their
ability
penetrate
deeper
tissues
and
minimize
damage
surrounding
healthy
cells.
However,
the
development
of
NIR-II
photoagents
remain
challenging.
In
this
study,
an
all-fused-ring
quinoidal
acceptor-donor-acceptor
(A-D-A)
molecule,
SKCN,
a
BTP
core
is
synthesized,
nanoparticles
named
FA-SNPs
are
prepared.
The
unique
structure
enhances
π-electron
delocalization
bond
length
uniformity,
significantly
reducing
bandgap
resulting
strong
absorption,
high
molar
extinction
coefficient,
photothermal
75.14%.
Enhanced
molecular
rigidity
also
facilitates
efficient
transfer
oxygen,
boosting
reactive
oxygen
species
generation.
By
incorporating
immunomodulator
R848,
FA-SRNPs
further
developed,
effectively
modulating
immune
microenvironment
by
Tregs
M-MDSCs
infiltration,
promoting
dendritic
cell
maturation,
M1
macrophage
polarization,
activating
CD8+
T
cells
NK
Comprehensive
studies
using
orthotopic
ovarian
cancer
models
demonstrated
targeting,
photoacoustic
imaging
capabilities,
significant
suppression
metastasis
inhibition,
showing
excellent
therapeutic
efficacy
breast
model.
This
study
provides
evidence
for
potential
application
A-D-A
molecules
photoimmunotherapy.