Evaluation of Anti-Inflammatory and Antibacterial Properties of Photo-Thermal Hydrogel as Dual Functional Platform for Management of Periodontitis
Zhihong Mai,
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Y.S. Mai,
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Xianxian Huang
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et al.
International Journal of Nanomedicine,
Journal Year:
2025,
Volume and Issue:
Volume 20, P. 2923 - 2934
Published: March 1, 2025
Background:
Periodontitis,
one
of
the
most
common
oral
diseases
caused
by
bacterial
infection
which
affects
gums,
periodontal
ligament
and
alveolar
bone,
is
a
leading
cause
tooth
loss
in
adults.
Current
clinical
treatments,
such
as
scaling
or
antibiotics,
often
result
incomplete
biofilm
removal
can
contribute
to
drug
resistance.
Methods:
To
address
these
limitations,
nanozyme
comprising
platinum,
copper,
selenium
was
developed,
then
incorporated
into
thermoresponsive
hydrogel.
Results:
When
applied
pockets
exposed
808
nm
laser
irradiation,
hydrogel
became
soft,
dissolving
release
nanozyme.
This
demonstrated
superoxide
dismutase
(SOD)-like
catalase
(CAT)-like
activity,
reducing
excess
reactive
oxygen
species
(ROS)
while
displaying
strong
antibacterial
anti-inflammatory
effects.
Conclusion:
photothermal
showed
excellent
biocompatibility
has
potential
overcome
challenges
current
periodontitis
treatments.
Keywords:
thermosensitive,
therapy,
hydrogel,
Language: Английский
Ni–Cu Bimetallic Nanozyme and Minoxidil Co-Loaded Dissolving Microneedles Reshape Hair Follicle Microenvironment for Androgenic Alopecia Treatment
Beibei Wang,
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Mengcheng Tang,
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Yongjia Zhang
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et al.
ACS Applied Nano Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 28, 2025
Language: Английский
Remodeling the Neuroimmune Microenvironment in Retinal Ischemia‐Reperfusion Injury via Combined CRISPR/Cas9 Targeting of ACSL4 and Isorhamnetin
Wen Zhang,
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Lin Li,
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Lusheng Ma
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et al.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 27, 2025
Abstract
Retinal
ischemia‐reperfusion
(RIR)
injury
induces
oxidative
stress,
excitotoxicity,
inflammation,
and
ferroptosis,
which
interact
through
complex
crosstalk,
forming
a
retinal
pathological
microenvironment
(RPMe)
that
drives
ganglion
cell
(RGC)
death.
Central
to
these
processes
is
the
dysregulation
of
neuroimmune
(NiMe),
characterized
by
aberrant
microglial
activation
around
RGCs
immune
signaling
imbalances.
Here,
analysis
single‐cell
RNA
sequencing,
it
identifies
significant
sphingolipid
pathway
in
RIR‐injured
microglia,
crosstalks
with
pathways.
This
crosstalk
disrupts
NiMe
homeostasis.
To
address
this,
biomimetic
nanoparticle
system
coated
precursor
membranes
developed.
co‐delivers
CRISPR/Cas9‐based
Acyl‐CoA
synthetase
long‐chain
family
member
4
(ACSL4)
inhibitor
suppress
ferroptosis
isorhamnetin,
natural
molecule
identified
directly
bind
protein
kinase
A
inhibit
glutamatergic
synapse
involved
stress.
By
targeting
its
PI3K/AKT
ASK1/JNK/NF‐κB
pathways
as
well
RGCs,
this
restores
balance.
The
membrane‐coated
offers
novel,
synergistic,
targeted
therapeutic
strategy
for
RIR‐related
diseases
integrating
CRISPR/Cas9
technology
product
therapy.
Language: Английский