Small,
Journal Year:
2023,
Volume and Issue:
20(18)
Published: Dec. 1, 2023
Abstract
Wounds
and
the
subsequent
formation
of
scars
constitute
a
unified
complex
phased
process.
Effective
treatment
is
crucial;
however,
diverse
therapeutic
approaches
for
different
wounds
scars,
as
well
varying
needs
at
stages,
present
significant
challenges
in
selecting
appropriate
interventions.
Microneedle
patch
(MNP),
novel
minimally
invasive
transdermal
drug
delivery
system,
has
potential
integrated
programmed
various
diseases
shown
promising
applications
types
scars.
In
this
comprehensive
review,
latest
biotechnological
innovations
MNPs
these
fields
are
thoroughly
explored,
summarizing
their
powerful
abilities
to
accelerate
healing,
inhibit
scar
formation,
manage
related
symptoms.
Moreover,
scenarios
discussed.
Additionally,
side
effects,
manufacturing
processes,
material
selection
explore
clinical
translational
investigated.
This
groundwork
can
provide
theoretical
basis
serve
catalyst
future
pursuit
favorable
options
skin
tissue
regeneration.
International Journal of Nanomedicine,
Journal Year:
2024,
Volume and Issue:
Volume 19, P. 965 - 992
Published: Jan. 1, 2024
Abstract:
Diabetic
wounds
pose
a
significant
challenge
to
public
health,
primarily
due
insufficient
blood
vessel
supply,
bacterial
infection,
excessive
oxidative
stress,
and
impaired
antioxidant
defenses.
The
aforementioned
condition
not
only
places
physical
burden
on
patients'
prognosis,
but
also
amplifies
the
economic
strain
medical
system
in
treating
diabetic
wounds.
Currently,
effectiveness
of
available
treatments
for
is
limited.
However,
there
hope
potential
metal
nanoparticles
(MNPs)
address
these
issues.
MNPs
exhibit
excellent
anti-inflammatory,
antioxidant,
antibacterial
pro-angiogenic
properties,
making
them
promising
solution
In
addition,
stimulate
expression
proteins
that
promote
wound
healing
serve
as
drug
delivery
systems
small-molecule
drugs.
By
combining
with
other
biomaterials
such
hydrogels
chitosan,
novel
dressings
can
be
developed
revolutionize
treatment
present
article
provides
comprehensive
overview
research
progress
utilization
Building
upon
this
foundation,
we
summarize
underlying
mechanisms
involved
discuss
application
delivery.
Furthermore,
provide
an
extensive
analysis
discussion
clinical
implementation
dressings,
while
highlighting
future
prospects
utilizing
management.
conclusion,
represent
strategy
healing.
Future
directions
include
biological
nanomaterials
synthesize
new
or
physicochemical
properties
Synthetic
contain
play
role
all
stages
healing,
stable
physiological
environment
wound-healing
process.
Keywords:
nanoparticles,
wound,
delivery,
activity
Advanced Healthcare Materials,
Journal Year:
2024,
Volume and Issue:
13(20)
Published: May 25, 2024
Acute
wounds
are
converted
to
chronic
due
advanced
age
and
diabetic
complications.
Nanozymes
catalyze
ROS
production
kill
bacteria
without
causing
drug
resistance,
while
microneedles
(MNs)
can
break
through
the
skin
barrier
deliver
drugs
effectively.
be
intergrateded
into
MNs
delivery
systems
improve
painless
delivery.
It
also
reduce
effective
dose
of
sterilization
increasing
efficiency
effectively
killing
wounded
preventing
resistance.
This
paper
describes
various
types
metal
nanozymes
from
previous
studies
compares
their
mutual
enhancement
with
nanozymes.
The
pooled
results
show
that
MNs,
material
innovation,
able
both
penetrate
scab
exert
additional
anti-inflammatory
bactericidal
effects.
catalytic
effect
some
accelerate
lysis
or
create
a
cascade
reaction
against
inflammation
infection.
However,
issue
increased
toxicity
associated
penetration
clinical
translation
remains
challenge.
study
reviews
latest
published
corresponding
challenges
use
combined
for
treatment
wounds,
providing
further
information
future
research.
Nano Letters,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 21, 2025
Eliminating
cancer
stem
cells
(CSCs)
is
essential
for
the
effective
treatment
of
triple-negative
breast
(TNBC).
This
study
synthesized
Au@cerium-zinc
composite
core@shell
nanoparticles
(Au@Zn/CeO)
that
were
subsequently
conjugated
with
Escherichia
coli
(E.
coli)
to
create
engineered
bacterium
AZCE,
which
was
then
combined
microneedle
carriers
and
freeze-dried
obtain
AZCE-MN.
Upon
implantation
into
TNBC
tumors,
inherent
properties
E.
facilitate
AZCE
penetrate
extracellular
matrix
break
through
basement
membrane,
enabling
delivery
AZC
CSCs-enriched
regions
deep
within
tumor.
The
released
Zn2+
induces
mitochondrial
dysfunction
amplifies
reactive
oxygen
species
(ROS)
production.
redox
cycling
between
Ce3+/Ce4+
effectively
depleted
glutathione,
further
increased
ROS
generation.
Under
near-infrared
laser
irradiation,
Au
nanorods
initiated
photothermal
therapy,
ablating
CSCs
while
amplifying
catalytic
reactions
ionic
effects.
microneedle-mediated
bacteria
improved
nanodrug
penetration
in
tumor
tissues,
providing
new
insights
clinical
treatment.
Aggregate,
Journal Year:
2024,
Volume and Issue:
5(3)
Published: Jan. 25, 2024
Abstract
The
management
of
infected
wounds
is
always
great
significance
and
urgency
in
clinical
biomedical
fields.
Recent
efforts
this
area
are
focusing
on
the
development
functional
wound
patches
with
effective
antibacterial,
drug
delivery,
sensor
properties.
Here,
we
present
novel
hyaluronic
acid
(HA)
microneedle
these
features
by
encapsulating
aminobenzeneboronic
acid‐modified
gold
nanoclusters
(A‐GNCs)
for
management.
A‐GNCs
loaded
were
derived
from
negative‐mold
replication
showed
high
mechanical
strength
to
penetrate
skin.
release
was
realized
degradation
HA,
self‐monitor
released
actives
based
dynamic
bright
orange
fluorescence
emitted
under
ultraviolet
radiation.
As
could
destroy
bacteria
membranes,
excellent
vitro
antibiosis
ability.
Based
features,
have
demonstrated
inhibition,
residual
self‐monitoring,
healing
promotion
abilities
Escherichia
coli‐
or
Staphylococcus
aureus
‐infected
These
results
indicated
potential
such
applications.
Macromolecular Bioscience,
Journal Year:
2024,
Volume and Issue:
24(5)
Published: Jan. 13, 2024
Abstract
Wound
biofilms
pose
a
great
clinical
challenge.
Herein,
this
work
reports
dissolvable
microneedle
patch
for
dual
delivery
of
monoclonal
antibodies
anti‐PBP2a
and
engineers
antimicrobial
peptides
W379.
In
vitro
antibacterial
efficacy
testing
with
patches
containing
combination
250
ng
mL
−1
W379
anti‐BPB2a
decreases
the
bacterial
count
from
≈3.31
×
10
7
CFU
to
1.28
2
within
h
without
eliciting
evident
cytotoxicity.
Ex
vivo
indicates
co‐loaded
displayed
remarkable
reduction
load
by
≈7.18
log
after
administered
only
once
48
h.
The
is
significantly
diminished
compared
treatment
either
or
anti‐PBP2a‐loaded
alone
patches.
When
twice
h,
no
bacteria
are
identified.
Further
in
study
also
reveals
that
two
treatments
PVP
colonies
undetectable
type
II
diabetic
mouse
wound
biofilm
model.
Taken
together,
hold
promise
treating
biofilms.
Applied Sciences,
Journal Year:
2025,
Volume and Issue:
15(2), P. 536 - 536
Published: Jan. 9, 2025
Hyaluronan
(HA)
is
a
ubiquitous
macromolecule
in
the
human
body
with
remarkable
structure
and
function.
HA
presents
key
role
several
biological
processes
mammals.
The
synthesis/catabolism
of
critical
pathologies
has
been
used
as
marker
for
prognosis
cancers.
Among
its
physiological
roles,
wound
healing
applications.
This
review
reports
many
latest
developments
hyaluronan
derivatives
research,
preclinical,
published
clinical
trials
healing.
An
adequate
physico-chemical
characterization
identification
selected
properties
prepared
material
are
mandatory.
Moreover,
cytotoxicity
evaluation
effects
vitro
using
standardized
protocols
required
preclinical.
Finally,
to
choose
vivo
models
testing
efficacy
requested.
Unfortunately,
still
not
well
understood.
Therefore,
an
overview
HA-based
products
provided
discussed.
Several
ways
chemical
modification
were
evaluated.
this
focuses
on
containing
HA,
novel
developments,
gaps,
limitations
current
state
art.