Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(9)
Опубликована: Янв. 12, 2024
With
the
rapid
development
of
external
minimally
invasive
or
noninvasive
therapeutic
modalities,
ultrasound-based
sonodynamic
therapy
(SDT)
is
a
new
alternative
for
treating
deep
tumors.
However,
inadequate
sonosensitizer
efficiency
and
poor
biosecurity
limit
clinical
applications.
In
this
study,
we
prepared
an
oxygen-vacancy-engineered
W
Bioactive
materials
are
a
kind
of
with
unique
bioactivities,
which
can
change
the
cellular
behaviors
and
elicit
biological
responses
from
living
tissues.
came
into
spotlight
in
late
1960s
when
researchers
found
that
such
as
bioglass
could
react
surrounding
bone
tissue
for
regeneration.
In
following
decades,
advances
nanotechnology
brought
new
development
opportunities
to
bioactive
nanomaterials.
nanomaterials
not
simple
miniaturization
macroscopic
materials.
They
exhibit
bioactivities
due
their
nanoscale
size
effect,
high
specific
surface
area,
precise
nanostructure,
significantly
influence
interactions
systems.
Nowadays,
have
represented
an
important
exciting
area
research.
Current
future
applications
ensure
academic
clinical
importance.
This
review
summaries
recent
field
nanomaterials,
evaluate
factors
bioactivities.
Then,
range
potential
biomedical
discussed.
Furthermore,
limitations,
challenges,
also
Diabetic
foot
ulcers
(DFU),
one
of
the
most
serious
complications
diabetes,
are
essentially
chronic,
nonhealing
wounds
caused
by
diabetic
neuropathy,
vascular
disease,
and
bacterial
infection.
Given
its
pathogenesis,
DFU
microenvironment
is
rather
complicated
characterized
hyperglycemia,
ischemia,
hypoxia,
hyperinflammation,
persistent
However,
current
clinical
therapies
for
dissatisfactory,
which
drives
researchers
to
turn
attention
advanced
nanotechnology
address
therapeutic
bottlenecks.
In
last
decade,
a
large
number
multifunctional
nanosystems
based
on
have
been
developed
with
positive
effects
in
therapy,
forming
novel
concept
"DFU
nanomedicine".
systematic
overview
nanomedicine
still
unavailable
literature.
This
review
summarizes
microenvironmental
characteristics
DFU,
presents
main
progress
wound
healing,
summaries
state-of-the-art
strategies
DFU.
Furthermore,
challenges
future
perspectives
this
field
discussed
prospected,
aiming
fuel
foster
development
nanomedicines
successfully.
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
Advanced Materials,
Год журнала:
2022,
Номер
34(41)
Опубликована: Авг. 20, 2022
Clinical
immunotherapy
of
solid
tumors
elicits
durable
responses
only
in
a
minority
patients,
largely
due
to
the
highly
immunosuppressive
tumor
microenvironment
(TME).
Although
rational
combinations
vaccine
adjuvants
with
inflammatory
cytokines
or
immune
agonists
that
relieve
immunosuppression
represent
an
appealing
therapeutic
strategy
against
tumors,
there
are
unavoidable
nonspecific
toxicities
pleiotropy
and
undesired
activation
off-target
cells.
Herein,
Zn2+
doped
layered
double
hydroxide
(Zn-LDH)
based
immunomodulating
adjuvant,
which
not
relieves
but
also
robust
antitumor
immunity,
is
reported.
Peritumorally
injected
Zn-LDH
sustainably
neutralizes
acidic
TME
releases
abundant
,
promoting
pro-inflammatory
network
composed
M1-tumor-associated
macrophages,
cytotoxic
T
cells,
natural-killer
Moreover,
internalized
by
cells
effectively
disrupts
endo-/lysosomes
block
autophagy
induces
mitochondrial
damage,
released
activates
cGas-STING
signaling
pathway
induce
immunogenic
cell
death,
further
promotes
release
tumor-associated
antigens
antigen-specific
lymphocytes.
Unprecedentedly,
merely
injection
without
using
any
agonists,
significantly
inhibits
growth,
recurrence,
metastasis
mice.
This
study
provides
bottom-up
design
potent
adjuvant
for
cancer
metalloimmunotherapy
tumors.
Glioblastoma
(GBM)
is
a
central
nervous
system
tumor
with
poor
prognosis
due
to
the
rapid
development
of
resistance
mono
chemotherapy
and
brain
targeted
delivery.
Chemoimmunotherapy
(CIT)
combines
drugs
activators
innate
immunity
that
hold
great
promise
for
GBM
synergistic
therapy.
Herein,
we
chose
temozolomide,
TMZ,
epigenetic
bromodomain
inhibitor,
OTX015,
further
co-encapsulated
them
within
our
well-established
erythrocyte
membrane
camouflaged
nanoparticle
yield
ApoE
peptide
decorated
biomimetic
nanomedicine
(ABNM@TMZ/OTX).
Our
nanoplatform
successfully
addressed
limitations
in
brain-targeted
drug
co-delivery,
simultaneously
achieved
multidimensional
enhanced
CIT.
In
mice
bearing
orthotopic
GL261
GBM,
treatment
ABNM@TMZ/OTX
resulted
marked
inhibition
greatly
extended
survival
time
little
side
effects.
The
pronounced
efficacy
can
be
ascribed
three
key
factors:
(i)
improved
nanoparticle-mediated
targeting
delivery
therapeutic
agents
by
blood
circulation
blood-brain
barrier
penetration;
(ii)
inhibited
cellular
DNA
repair
TMZ
sensitivity
cells;
(iii)
anti-tumor
immune
responses
inducing
immunogenic
cell
death
inhibiting
PD-1/PD-L1
conjugation
leading
expression
CD4
Biomaterials Science,
Год журнала:
2022,
Номер
10(15), С. 4058 - 4076
Опубликована: Янв. 1, 2022
Multifunctional
wound
dressings
or
smart
with
pro-angiogenic
function,
antibacterial
properties,
anti-inflammatory/antioxidant
activity
and
tissue
adhesion
for
chronic
repair.
Abstract
Nanozymes
refer
to
nanomaterials
that
catalyze
enzyme
substrates
into
products
under
relevant
physiological
conditions
following
kinetics.
Compared
natural
enzymes,
nanozymes
possess
the
characteristics
of
higher
stability,
easier
preparation,
and
lower
cost.
Importantly,
magnetic,
fluorescent,
electrical
properties
nanomaterials,
making
them
promising
replacements
for
enzymes
in
industrial,
biological,
medical
fields.
On
account
rapid
development
recently,
their
application
potentials
regeneration
medicine
are
gradually
being
explored.
To
highlight
achievements
field,
this
review
summarizes
catalytic
mechanism
four
types
representative
nanozymes.
Then,
strategies
improve
biocompatibility
discussed.
covers
recent
advances
tissue
including
wound
healing,
nerve
defect
repair,
bone
regeneration,
cardiovascular
disease
treatment.
In
addition,
challenges
prospects
nanozyme
researches
summarized.
ACS Nano,
Год журнала:
2023,
Номер
17(7), С. 6789 - 6799
Опубликована: Март 29, 2023
Single-atom
catalysts
with
extraordinary
catalytic
activity
have
been
receiving
great
attention
in
tumor
therapy.
However,
most
single-atom
lack
self-propulsion
properties,
restricting
them
from
actively
approaching
cancer
cells
or
penetrating
the
interior
of
tumors.
Herein,
we
design
N-doped
jellyfish-like
mesoporous
carbon
nanomotors
coordinated
copper
(Cu-JMCNs).
It
is
a
combination
nanocatalytic
medicine
and
nanomotor
for
The
Cu
single
atom
can
catalyze
H2O2
into
toxic
hydroxyl
radical
(•OH)
chemodynamic
therapy
(CDT).
Near-infrared
light
triggers
Cu-JMCNs
to
achieve
self-thermophoretic
motion
because
asymmetric
structure
photothermal
property
carbon,
which
significantly
improves
cellular
uptake
penetration
three-dimensional
In
vivo
experiments
indicate
that
CDT
near-infrared
propulsion
over
85%
inhibition
rate.
This
work
sheds
on
development
advanced
biomedical
applications.