Zn-DHM nanozymes regulate metabolic and immune homeostasis for early diabetic wound therapy
Bioactive Materials,
Год журнала:
2025,
Номер
49, С. 63 - 84
Опубликована: Март 6, 2025
Язык: Английский
Skin‐Inspired and Self‐Regulated Hydrophobic Hydrogel for Diabetic Wound Therapy
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 10, 2025
Diabetic
wounds
are
refractory
and
recurrent
diseases
that
necessitate
the
development
of
multifunctional
dressings.
Inspired
by
structure
function
skin,
we
herein
delicately
design
a
novel
swollen
hydrophobic
hydrogel
(QL@MAB)
composed
methyl
acrylate
(MA)
(3-acrylamidophenyl)boronic
acid
(AAPBA)
network
co-loaded
with
antioxidant
quercetin
(Q)
antibiotic
levofloxacin
(L)
for
efficient
diabetic
wound
therapy.
The
MA
segments
undergo
phase
separation
to
form
dense
"epidermis",
ensuring
prolonged
drug
diffusion,
long-term
water
retention,
high
content.
Meanwhile,
AAPBA
generate
glucose-labile
"sweat
pores"
via
borate
ester
bonds
polyphenol
Q.
Upon
encountering
hyperglycemic
microenvironment,
dilated
due
cleavage
exposure
diffusion
channel,
facilitating
release
accelerated
healing.
In
infected
rats,
QL@MAB
achieves
rapid
debridement
re-epithelization
while
promoting
angiogenesis,
hair
follicle
regeneration,
extracellular
matrix
remodeling.
Taken
together,
this
study
not
only
represents
multipronged
dressing
effective
interventions
but
also
contributes
rational
smart
hydrogels
tailored
biomedical
applications.
Язык: Английский
Ultrasound-induced piezoionic hydrogels with antibacterial and antioxidant properties for promoting infected diabetic wound healing
Journal of Materials Chemistry B,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
A
new
class
of
ultrasound-induced
piezoionic
hydrogels
with
antibacterial
and
antioxidant
properties
are
developed
to
accelerate
infected
diabetic
wound
healing.
Язык: Английский
Fabrication of Hyaluronic Acid‐Targeted Supramolecular Delivery Platform With pH and ROS‐Responsive Drug Release
Macromolecular Rapid Communications,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 29, 2025
A
supramolecular
drug
delivery
system
is
fabricated
here
based
on
the
assembly
of
β-cyclodextrin-modified
hyaluronic
acid
(HACD)
and
ferrocene
(Fc)
with
pH-sensitive
polyhistidine
(PHIS).
The
demonstrates
efficient
encapsulation
hydrophobic
anticancer
drugs
high
stable
loading
capacity.
drug-loaded
nanoparticles
utilize
HACD
as
hydrophilic
corona,
enabling
active
tumor
targeting
through
CD44
receptor-mediated
endocytosis
exhibiting
dual
stimuli-responsive
release
properties
(ROS
pH).
In
microenvironment
characterized
by
elevated
ROS
levels
acidic
pH,
undergo
structural
disassembly,
switching
from
controlled
to
rapid
liberation.
Blank
exhibit
excellent
biocompatibility,
while
formulations
demonstrate
selective
cytotoxicity
significantly
reduced
toxicity
toward
normal
cells
HFF-1
enhanced
therapeutic
efficacy
against
HeLa
cancer
cells.
This
nanoplatform
improves
aqueous
solubility
biocompatibility
drugs,
achieving
intelligent
double-modal
stimulus-responsive
release.
Язык: Английский