Small Science,
Journal Year:
2024,
Volume and Issue:
4(11)
Published: Sept. 3, 2024
Degenerative
joint
diseases,
as
a
global
public
health
issue,
impose
significant
burdens
on
patients'
lives
and
substantial
economic
costs
society.
Currently,
the
primary
modalities
include
physical
therapy,
pharmaceutical
intervention,
surgical
procedures.
None
of
these
approaches
can
alter
course
this
degenerative
process.
Due
to
their
commendable
biocompatibility,
biodegradability,
heightened
efficacy
in
drug
delivery,
hydrogels
present
themselves
novel
noninvasive
remedy
for
ailments.
However,
clinical
application
still
faces
some
challenges,
including
uncontrolled
discharge
encapsulated
medications,
absence
adequate
mechanical
reinforcement
destabilized
joints,
adaptability
fluctuating
microenvironments.
Recently,
nanocomposite
hydrogels,
formed
by
introducing
nanomaterials
into
or
chemical
means,
improve
limitations
extend
potential
biological
applications
diseases.
In
study,
pathologic
features
diseases
multiple
different
types
targeting
are
briefly
described.
It
also
concludes
with
an
outlook
use
settings
discusses
challenges
limitations.
Gels,
Journal Year:
2024,
Volume and Issue:
10(2), P. 114 - 114
Published: Feb. 1, 2024
Meniscus
tissue
engineering
(MTE)
has
emerged
as
a
promising
strategy
for
meniscus
repair
and
regeneration.
As
versatile
platforms,
hydrogels
have
gained
significant
attention
in
this
field,
they
possess
tunable
properties
that
allow
them
to
mimic
native
extracellular
matrices
provide
suitable
microenvironment.
Additionally,
can
be
minimally
invasively
injected
adjusted
match
the
shape
of
implant
site.
They
conveniently
effectively
deliver
bioactive
additives
demonstrate
good
compatibility
with
other
functional
materials.
These
inherent
qualities
made
hydrogel
candidate
therapeutic
approaches
This
article
provides
comprehensive
review
advancements
research
on
application
engineering.
Firstly,
biomaterials
crosslinking
strategies
used
formation
are
summarized
analyzed.
Subsequently,
role
additives,
including
cells,
growth
factors,
active
products,
facilitating
regeneration
is
thoroughly
discussed.
Furthermore,
we
summarize
key
issues
designing
MTE.
Finally,
conclude
current
challenges
encountered
by
applications
suggest
potential
solutions
addressing
these
field
We
hope
resource
researchers
practitioners
interested
thereby
exploration
new
design
possibilities.
ACS Applied Materials & Interfaces,
Journal Year:
2025,
Volume and Issue:
17(2), P. 2911 - 2923
Published: Jan. 2, 2025
Rheumatoid
arthritis
(RA)
is
a
common
autoimmune
joint
disease
characterized
by
persistent
synovial
inflammation
and
cartilage
damage.
The
current
clinical
treatments
primarily
utilize
drugs
such
as
triptolide
(TP)
to
address
inflammation,
yet
they
are
unable
directly
repair
damaged
cartilage.
Furthermore,
the
often
undermines
effectiveness
of
traditional
strategies,
preventing
them
from
achieving
optimal
outcomes.
To
tackle
this
challenge,
study
successfully
developed
drug-loaded
polyurethane
hydrogel-oriented
porous
scaffold,
designed
facilitate
under
RA
conditions.
A
hydrogel
was
formed
via
solvent-induced
polyurethane-gelatin,
resulting
in
scaffold
TP@GSPU.
sea-island
micelle
structure
TP@GSPU
enables
efficient
loading
TP.
release
TP
vivo
environment
regulates
expression
inflammatory
factors
macrophages,
thereby
improving
microenvironment
within
cavity.
Additionally,
gelatin
component
provides
robust
support
for
regeneration.
efficacy
regulating
facilitating
conditions,
which
demonstrated
through
damage
experiments
conducted
rat
collagen-induced
(CIA)
model.
design
scheme
material
offers
potential
approach
conditions
RA.
Frontiers in Bioengineering and Biotechnology,
Journal Year:
2025,
Volume and Issue:
13
Published: Feb. 17, 2025
Osteoarthritis
is
one
of
the
most
common
degenerative
joint
diseases,
which
seriously
affects
life
middle-aged
and
elderly
people.
Traditional
treatments
such
as
surgical
treatment
systemic
medication,
often
do
not
achieve
expected
or
optimal
results,
leads
to
severe
trauma
a
variety
side
effects.
Therefore,
there
an
urgent
need
develop
novel
therapeutic
options
overcome
these
problems.
Hydrogels
are
widely
used
in
biomedical
tissue
repairing
platform
for
loading
drugs,
proteins
stem
cells.
In
recent
years,
smart-responsive
hydrogels
have
achieved
excellent
results
drug
delivery
systems
osteoarthritis.
This
review
focuses
on
advances
endogenous
stimuli
(including
enzymes,
pH,
reactive
oxygen
species
temperature,
etc.)
responsive
exogenous
light,
shear,
ultrasound
magnetism,
osteoarthritis
treatment.
Finally,
current
limitations
application
future
prospects
smart
summarized.
ACS Nano,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 2, 2025
Cartilage
exhibits
an
extremely
low
friction
and
very
wearability
within
the
liquid
environment
of
joint.
It
is
also
capable
switching
wettability
between
superhydrophilicity
hydrophobicity
in
both
wetting
dry
conditions
(specific
experimental
operations
or
open
wounds).
Therefore,
understanding
cartilage
lubrication
from
perspective
provides
inspiration
for
design
artificial
sections
with
motion
soft
actuators
coefficients
(COF).
In
this
review,
articular
introduced
discussed
view
wettability.
First,
basic
principles
are
described
a
focus
on
compositions
cartilage,
particular
relationship
phospholipid
layers
supramolecular
synergy
synovial
fluid
cartilage.
Subsequently,
under
different
stimuli
(such
as
shear,
pH,
temperature,
electric
field)
insights
into
lubrication.
Finally,
we
present
comprehensive
summary
delineate
challenges
domain
assisting
researchers
formulating
viable
concepts
efficient
substitution
smart
lubricating
devices.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 14, 2025
Abstract
The
absence
of
a
meniscal
prosthesis
that
fully
accommodates
the
complex
motion
demands
human
knee
joint
remains
challenge
in
clinical
practice.
This
study
synthesized
polyurethane
elastomer
with
enhanced
mechanical
properties,
featuring
dynamic
dimethyldioxime‐urethane
structure
provides
self‐healing
capabilities.
Additionally,
adamantane‐grafted
hyaluronic
acid
has
been
integrated
into
containing
cyclodextrin,
imparting
self‐lubricating
properties
through
supramolecular
host‐guest
interactions
between
adamantane
and
cyclodextrin.
innovative
is
utilized
to
fabricate
(DPU@HA).
In
vitro
experiments
demonstrated
DPU@HA's
exceptional
cytocompatibility
chondrocytes.
vivo
studies
revealed
DPU@HA
significantly
protected
articular
cartilage
following
meniscus
removal
by
reducing
high
stress
within
cartilage,
thereby
inhibiting
Piezo1
overactivation
subsequent
chondrocyte
apoptosis.
With
its
(DPU@HA)
holds
promise
for
applications
preventing
progression
osteoarthritis
after
meniscectomy.
ACS Nano,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 2, 2025
Chondrocyte
senescence,
synovitis,
and
decreased
level
of
lubrication
play
pivotal
roles
in
the
pathogenesis
age-related
osteoarthritis
(AROA).
However,
there
are
currently
no
effective
therapeutic
interventions
capable
altering
progression
OA
until
it
reaches
advanced
stages,
necessitating
joint
replacement.
In
this
study,
lubricious
drug-loaded
hydrogel
microspheres
were
designed
fabricated
by
utilizing
microfluidic
technology
for
radical
polymerization
chondroitin
sulfate
methacrylate
incorporating
nicotinamide
adenine
dinucleotide
(NAD)-loaded
liposomes
modified
with
lactoferrin
that
positively
charged.
Mechanical,
tribological,
drug
release
analyses
demonstrated
enhanced
properties
an
extended
dissemination
time
NAD@NPs@HM
microspheres.
vitro
assays
unveiled
ability
to
counteract
chondrocyte
senescence.
RNA
sequencing
analysis,
untargeted
metabolomics
experiments
on
macrophages
revealed
can
regulate
metabolic
reprogramming
synovial
macrophages,
promoting
their
repolarization
from
M1
M2
phenotype,
thereby
alleviating
synovitis.
Intra-articular
injection
aged
mice
reduced
mechanisms
associated
AROA.
These
results
suggest
may
provide
release,
improved
leading
better
gait,
attenuation
AROA
pathogenic
processes,
indicating
its
potential
as
a
approach
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(21), P. 11799 - 11799
Published: Nov. 2, 2024
Osteoarthritis
(OA),
a
common
and
disabling
degenerative
joint
disease,
affects
millions
of
people
worldwide
imposes
considerable
burden
on
patients
society
due
to
its
high
prevalence
economic
costs.
The
pathogenesis
OA
is
closely
related
the
progressive
degradation
articular
cartilage
accompany
inflammation;
however,
itself
cannot
heal
modulate
inflammation
lack
nerves,
blood
vessels,
lymph-vessels.
Therefore,
reliable
effective
methods
treat
remain
highly
desired.
Local
administration
drugs
or
bioactive
materials
by
intra-articular
injection
delivery
system
represents
promising
approach
OA,
especially
considering
prolonged
retention,
chondrocytes
targeting,
stimuli-responsive
release
achieve
precision
therapy.
This
article
summarizes
discusses
advances
in
currently
used
systems
(nanoparticle,
hydrogel,
liposome,
microsphere)
then
focuses
their
applications
treatment
from
perspective
endogenous
stimulus
(redox
reactions,
pH,
enzymes,
temperature)
exogenous
(near-infrared,
magnetic,
ultrasound)-responsive
release.
Finally,
challenges
potential
future
directions
for
development
nano-delivery
are
summarized.