Uniform,
mesoporous
copper(II)
oxide
nanospindles
(CuO
NSs)
were
synthesized
via
a
method
based
on
templated
hydrothermal
oxidation
of
copper
in
the
presence
monodisperse
poly(glycerol
dimethacrylate-co-methacrylic
acid)
nanoparticles
(poly(GDMA-co-MAA)
NPs).
Subsequent
decoration
CuO
NSs
with
CaO2
nanoshell
(CuO@CaO2
yielded
nanozyme
capable
Cu(I)/Cu(II)
redox
cycling.
Activation
cycle
by
exogenously
generated
H2O2
from
significantly
enhanced
glutathione
(GSH)
depletion.
CuO@CaO2
exhibited
2-fold
higher
GSH
depletion
rate
compared
to
pristine
NSs.
The
generation
oxygen
due
catalase
(CAT)-like
decomposition
resulted
self-propelled
diffusion
behavior,
characteristic
fueled
nanomotor.
These
nanostructures
both
peroxidase
(POD)-like
and
CAT-like
activities
self-production
aqueous
media
chemical
reaction
between
water.
Usage
self-supplied
POD-like
activity
amplified
toxic
hydroxyl
(•OH)
radicals,
enhancing
chemodynamic
effect
within
tumor
microenvironment
(TME).
provided
source
O2
alleviate
hypoxic
conditions
TME.
Under
near-infrared
laser
irradiation,
photothermal
conversion
properties,
temperature
elevation
25
°C.
combined
led
more
effective
production
•OH
radicals
cell
culture
medium.
function
was
further
an
elevated
temperature.
To
assess
therapeutic
potential,
loaded
photosensitizer,
chlorine
e6
(Ce6),
evaluated
against
T98G
glioblastoma
cells.
synergistic
combination
photodynamic,
photohermal,
modalities
using
CuO@CaO2@Ce6
death
than
90%
under
vitro
conditions.
Small Methods,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 23, 2024
Abstract
Hyaluronic
acid
(HA)
is
a
naturally
occurring
polysaccharide
found
in
the
extracellular
matrix
with
broad
applications
disease
treatment.
HA
possesses
good
biocompatibility,
biodegradability,
and
ability
to
interact
various
cell
surface
receptors.
Its
wide
range
of
molecular
weights
modifiable
chemical
groups
make
it
an
effective
drug
carrier
for
delivery.
Additionally,
overexpression
specific
receptors
on
surfaces
many
states
enhances
accumulation
drugs
at
pathological
sites
through
receptor
binding.
In
this
review,
modification
drugs,
major
proteins,
latest
advances
receptor‐targeted
nano
delivery
systems
(DDS)
treatment
tumors
inflammatory
diseases
are
summarized.
Furthermore,
functions
varying
vivo
selection
methods
different
discussed.
International Journal of Nanomedicine,
Journal Year:
2025,
Volume and Issue:
Volume 20, P. 1021 - 1046
Published: Jan. 1, 2025
Colorectal
cancer
(CRC)
is
the
second
leading
cause
of
cancer-related
deaths
worldwide.
Oxaliplatin
(OXA)
currently
primary
chemotherapeutic
agent
for
CRC,
but
its
efficacy
limited
by
tumor
microenvironment
(TME).
Here,
we
present
a
combined
approach
chemotherapy
and
TME
modulation
CRC
treatment.
A
multifunctional
nanosystem
(Rg3-Lip-OXA/CaO2)
was
established
using
Ginsenoside
Rg3
liposomes
targeting
glucose
transporter
1
overexpressed
on
surface
cells
to
co-deliver
OXA
calcium
peroxide
(CaO2).
The
CaO2
nanoparticles
were
synthesized
via
CaCl2-H2O2
reaction
under
alkaline
conditions
characterized
X-ray
diffraction
(XRD)
photoelectron
spectroscopy
(XPS).
Rg3-Lip-OXA/CaO2
prepared
through
thin-film
hydration
characterized;
additionally,
stability
release
behavior
studied.
O2,
H2O2,
Ca2+
generation
ability
in
solution
HCT116
measured.
vitro
cellular
uptake
observed
fluorescence
microscope
flow
cytometry.
In
cytotoxicity
evaluated
CCK-8
assay,
cytometry,
live/dead
cell
staining.
vivo
effect
as
well
antitumor
determined
tumor-bearing
mice.
Finally,
acute
toxicity
investigated
ICR
mice
explore
safety.
XRD
XPS
analyses
confirmed
successful
synthesis
nanoparticles.
exhibited
an
average
particle
size
approximately
92.98
nm
with
good
sustained
behavior.
studies
optimal
Rg3-Lip
demonstrated
that
effectively
produced
H2O2
Ca2+,
resulting
significant
cytotoxicity.
Additionally,
revealed
substantial
growth
suppression
reduced
tumor-associated
fibroblasts
(TAFs)
collagen.
Acute
indicated
markedly
drugs.
This
enhances
reduces
toxicity,
offering
promising
optimizing
treatment
potential
clinical
application.
ACS Applied Nano Materials,
Journal Year:
2024,
Volume and Issue:
7(9), P. 10928 - 10940
Published: May 1, 2024
In
this
study,
a
fascinating
nanoplatform,
possessing
fluorescent
imaging,
hyperthermia-amplified
reactive
oxygen
species
(ROS)
generation,
and
calcium-overloaded
comediated
multimodal
therapeutic
effects
toward
breast
malignancy,
was
innovatively
constructed.
Accordingly,
engineering
accurate
targeting
theranostic
scheme
can
be
used
for
efficacious
ablation
of
carcinoma.
Because
Cu
Ca
ions
induce
ROS
generation
cytoplasmic
overaccumulation,
respectively,
here,
Cu–Ca-based
nanoplatform
designed
by
adsorbing
indocyanine
green
(ICG)
through
the
relatively
high
specific
surface
area
Arg-Gly-Asp
peptide
(RGD)
decorating
covalent
conjugation.
Upon
internalization
tumor
cells,
biodegradation
triggered
under
an
intracellular
weak
acid
microenvironment;
released
ICG
molecules
allowed
near-IR
(NIR)
II
imaging
photothermal
production.
Importantly,
in
guaranteed
more
efficient
Fenton-like
reaction-mediated
chemodynamic
therapy
NIR
laser
exposure.
Meanwhile,
virus-like
hollowed
Cu–Ca
(VhCu-Ca)
created
artificial
calcium-overloading
stress
cytoplasm.
vitro
vivo
studies
have
demonstrated
that
our
proposed
integrated
advantages
targeting,
via
synergistic
treatments.
Therefore,
multimode
developed
facile
versatile
strategy
diagnosis
suppression
tumors.
Applied Organometallic Chemistry,
Journal Year:
2024,
Volume and Issue:
39(1)
Published: Sept. 30, 2024
ABSTRACT
The
emergence
of
bacterial
resistance
has
a
negative
impact
on
the
conventional
antimicrobial
treatments,
and
research
into
development
new
materials
is
great
significance.
Multimodal
synergistic
exert
better
effects
compared
with
single
modality.
In
recent
years,
Polyoxometalate
(POM)
shown
potential
in
biomedical
field
due
to
its
high
catalytic
activity
photothermal
conversion
ability.
However,
owing
small
surface
area,
applications
have
been
greatly
limited.
Herein,
we
designed
H
2
O
self‐supplied
CDT
PTT
bimodal
nanogeneration
material
(i.e.,
CaO
/POM@MOF)
possessing
larger
area
for
treatment
infections,
which
could
release
weakly
acidic
microenvironment
infection
dual
site
POM@MOF
enhance
reaction
generate
ROS,
resulting
oxidative
stress
leakage
contents,
exposure
NIR
light
generates
localized
temperature
that
cause
rupture
cell
membranes
denaturation
their
proteins.
Meanwhile,
superior
stability
can
fewer
metal
ions
improve
biocompatibility.
vitro
experiments
demonstrated
/POM@MOF
possessed
combined
effect
exhibited
excellent
efficacy.
This
work
presents
promising
strategy
combat
infections.