Research progress on quercetin in improving the survival rate of random skin flap
Siping Xu,
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Wenhua Zhang,
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Xuanfen Zhang
No information about this author
et al.
Archives of Dermatological Research,
Journal Year:
2025,
Volume and Issue:
317(1)
Published: Jan. 16, 2025
Language: Английский
Dual ROS/Glucose-Responsive Quercetin-Loaded Supramolecular Hydrogel for Diabetic Wound Healing
Chenguang Liu,
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Ronger Ai,
No information about this author
Bizhi Liu
No information about this author
et al.
Biomacromolecules,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 5, 2025
Diabetic
wound
healing
remains
a
significant
challenge
due
to
complex
pathological
mechanisms,
including
prolonged
inflammation,
excessive
reactive
oxygen
species
(ROS)
accumulation,
angiogenesis
dysfunction,
and
increased
susceptibility
bacterial
infection.
In
this
study,
we
developed
dual
ROS/glucose-responsive
quercetin-loaded
supramolecular
hydrogel
(GPQ
hydrogel)
for
treating
diabetic
wounds.
The
was
fabricated
by
incorporating
quercetin
(QUE)
into
guanosine–phenylboronic
acid
(GP)
network
through
dynamic
borate
ester
bonds.
Structural
characterization
revealed
the
formation
of
typical
G-quadruplex
structure
in
GPQ
hydrogel.
responsiveness
ROS
glucose
enabled
controlled
release
QUE,
effectively
addressing
abnormal
microenvironment
diabetes.
vitro
studies
demonstrated
excellent
antibacterial,
antioxidant,
anti-inflammatory,
pro-angiogenic
properties
Furthermore,
vivo
study
using
full-thickness
model
streptozotocin-induced
rats
showed
that
significantly
accelerated
closure,
enhanced
re-epithelialization
collagen
deposition,
promoted
compared
control
GP
groups.
Immunofluorescence
analysis
confirmed
superior
antioxidant
effects
microenvironment.
This
presents
promising
multifunctional
biomaterial
managing
Language: Английский
Soluplus®-Based Pharmaceutical Formulations: Recent Advances in Drug Delivery and Biomedical Applications
International Journal of Molecular Sciences,
Journal Year:
2025,
Volume and Issue:
26(4), P. 1499 - 1499
Published: Feb. 11, 2025
Poor
water
solubility
remains
a
significant
challenge
in
the
pharmaceutical
industry
that
limits
therapeutic
efficacy
and
bioavailability
of
many
active
pharmaceuticals.
Soluplus®
(SLP),
an
amphiphilic
graft
copolymer
made
polyethylene
glycol,
polyvinyl
caprolactam,
acetate,
has
been
gaining
interest
recent
years
as
it
addresses
these
limitations
by
acting
versatile
carrier.
Its
ability
to
form
stable
amorphous
dispersions
enhance
drug
solubility,
well
its
physicochemical
properties,
support
role
key
excipient
advanced
delivery
systems.
Recent
investigations
have
demonstrated
adaptability
SLP
addressing
requirements,
offering
controlled
release,
improved
targeting,
superior
outcomes.
This
review
examines
some
formulation
methods
make
use
SLP,
including
hot-melt
extrusion,
spray
drying,
electrospinning,
drug–polymer
layering,
capsule
tablet
formulations,
highlighting
capacity
overcome
challenges.
Biomedical
applications
also
explored,
with
focus
on
improving
antitumoral,
anti-inflammatory,
antimicrobial,
antiparasitic
drugs.
Language: Английский
Hydrogel-forming microarray patches combined with powder-based reservoir for labetalol hydrochloride transdermal delivery
International Journal of Pharmaceutics,
Journal Year:
2024,
Volume and Issue:
unknown, P. 125061 - 125061
Published: Dec. 1, 2024
Hypertension
is
the
most
common
pregnancy
disorder
and
can
lead
to
life-threatening
conditions
for
both
mother
fetus.
However,
managing
this
condition
with
oral
intravenous
labetalol
be
challenging,
highlighting
need
alternative
delivery
methods.
This
study
presents,
first
time,
development
of
novel
powder-based
reservoirs
incorporated
hydrogel-forming
microarray
patches
(MAPs)
facilitate
transdermal
hydrochloride
(HCl).
A
holder,
created
from
poly(propylene)
using
a
3D
printer,
was
designed
house
HCl
powder,
which
then
combined
MAPs.
system
improved
insertion
profile
MAPs
into
Parafilm®
layers
excised
full-thickness
neonatal
porcine
skin,
achieving
up
85
%
needle
height
penetration
without
compromising
integrity
(only
8
reduction
after
applying
32
N
force).
The
current
holder
design
able
load
50
mg
allowed
single
or
multiple
injections
deionised
water
dissolve
powder
permeation
through
dermatomed
skin
in
vitro
studies
Franz
cell
setup.
results
showed
that
reservoir
delivered
more
effectively
over
24
h
compared
directly
compressed
tablets.
Additionally,
poly(vinyl
alcohol)/poly(vinyl
pyrrolidone)/citric
acid-based
than
Gantrez®
S-97/poly(ethylene
glycol)-based
(9
vs.
5
mg)
h.
holds
promise
improving
compounds
simple
manner,
though
further
modifications
one-step
application
are
needed.
Language: Английский