Edelweiss Applied Science and Technology,
Journal Year:
2024,
Volume and Issue:
8(6), P. 9592 - 9604
Published: Dec. 31, 2024
Knee
joint
cartilage
defects
are
a
significant
clinical
challenge
due
to
the
limited
regenerative
capacity
of
articular
cartilage,
often
leading
degeneration
and
osteoarthritis
(OA).
Conventional
treatment
methods,
such
as
surgical
repair
conservative
management,
frequently
fail
restore
function
fully.
In
recent
years,
scaffold-based
tissue
engineering
using
adipose-derived
mesenchymal
stem
cells
(ADMSCs)
has
emerged
promising
strategy
for
regeneration.
ADMSCs,
known
their
abundant
availability,
ease
isolation,
chondrogenic
potential,
provide
viable
cellular
source
repairing
damaged
cartilage.
When
combined
with
biocompatible
scaffolds,
ADMSCs
can
enhance
regeneration
by
promoting
cell
proliferation,
differentiation,
extracellular
matrix
(ECM)
formation
at
injury
site.
Various
scaffold
materials,
including
natural
synthetic
polymers,
have
been
explored
structural
support
necessary
attachment
formation.
This
literature
review
examines
current
advancements
in
application
ADMSC-loaded
scaffolds
knee
defects,
focusing
on
biological
properties,
designs,
outcomes
preclinical
studies.
The
also
addresses
challenges,
degradation,
mechanical
migration,
that
must
be
optimized
successful
translation.
Overall,
this
highlights
potential
ADMSC-based
systems
offer
solution
provides
insights
into
future
directions
improving
therapeutic
strategies
engineering.
Orthopedic Reviews,
Journal Year:
2025,
Volume and Issue:
17
Published: March 31, 2025
Musculoskeletal
injuries
and
degenerative
conditions
necessitate
advanced
regenerative
solutions.
Tissue
engineering
has
emerged
as
a
pivotal
field
in
orthopedic
care,
particularly
vascularized
bone
cartilage
regeneration.
This
narrative
review
examines
the
latest
advancements
vascular
tissue
engineering,
including
scaffold
design,
cell-based
techniques,
growth
factor
delivery.
A
comprehensive
literature
search
was
conducted
using
PubMed,
ScienceDirect,
Google
Scholar,
focusing
on
innovations
challenges
field.
Vascularized
grafts
(VBGs)
outperform
non-vascularized
counterparts
promoting
healing
integration.
Advances
materials,
such
smart
scaffolds
hybrid
biomaterials,
enhance
osteogenesis
angiogenesis.
Cellular
therapies,
utilizing
mesenchymal
stem
cells
induced
pluripotent
cells,
synergistically
improve
vascularization
Growth
factors
like
VEGF
morphogenic
protein
(BMP-2),
integrated
with
innovative
delivery
systems,
enable
sustained
angiogenic
stimulation
While
significant
strides
have
been
made,
persist
achieving
full
integration
replicating
native
architecture.
Innovations
technology
surgery
techniques
hold
promise
for
transforming
improving
patient
outcomes.
Coatings,
Journal Year:
2025,
Volume and Issue:
15(3), P. 261 - 261
Published: Feb. 22, 2025
Polyetheretherketone
(PEEK)
has
gained
significant
attention
in
biomedical
applications
due
to
its
excellent
mechanical
properties
and
biocompatibility.
In
this
work,
the
fabrication
of
electroactive
poly(vinylidenefluoride-co-trifluoroethylene)
(PVTF)
coatings
on
PEEK
surfaces
enhance
osteogenesis
is
explored.
substrates
were
prepared
with
different
surface
treatments
optimize
adhesion,
followed
by
PVTF
coating
through
drop-casting
polarization.
Morphological,
chemical,
thermal
characterizations
revealed
uniform
β-phase
crystallization
layer,
achieving
a
peak
piezoelectric
coefficient
(d33)
16
pC/N
under
4
kV
polarization
voltage.
Cell
culture
experiments
demonstrated
improved
biocompatibility,
polarized
showing
enhanced
bone
marrow
mesenchymal
stem
cell
(BMSC)
proliferation,
osteogenic
differentiation.
ALP
activity,
key
marker
osteogenesis,
was
significantly
higher
samples.
Furthermore,
modified
exhibited
strong
adhesion
between
PEEK,
as
well
sustained
potential
physiological
conditions.
These
test
results
indicate
that
PEEK/PVTF
composite,
shows
great
an
material
for
implants.
International Journal of Molecular Sciences,
Journal Year:
2025,
Volume and Issue:
26(6), P. 2520 - 2520
Published: March 11, 2025
Melatonin,
a
natural
hormone
with
antioxidant,
anti-inflammatory,
and
regenerative
properties,
has
gained
increasing
attention
in
tissue
engineering
for
its
ability
to
enhance
the
therapeutic
potential
of
biopolymeric
scaffolds.
These
scaffolds,
designed
mimic
extracellular
matrix,
provide
structural
support
bioactive
environment
regeneration.
By
integrating
melatonin,
researchers
aim
create
multifunctional
scaffolds
that
promote
cell
proliferation,
modulate
inflammatory
responses,
improve
wound
healing
outcomes.
Challenges
utilizing
melatonin
include
maintaining
stability
under
light,
heat,
oxygen
exposure,
optimizing
release
profile
sustained
effects.
Innovative
fabrication
methods,
such
as
electrospinning,
3D
printing,
lyophilization,
have
enabled
precise
control
over
scaffold
architecture
delivery.
techniques
ensure
enhanced
interactions
target
tissues
tailored
regeneration
processes.
Combining
growth
factors,
cytokines,
antimicrobial
agents
offers
applications,
from
chronic
management
bone
nerve
Continued
research
this
field
promises
transformative
solutions
medicine,
expanding
clinical
applicability
melatonin-enriched
This
review
highlights
current
progress,
challenges,
opportunities
associated
harnessing
melatonin’s
within
frameworks.
International Journal of Molecular Sciences,
Journal Year:
2025,
Volume and Issue:
26(6), P. 2582 - 2582
Published: March 13, 2025
The
inducible
enzyme
cyclooxygenase-2
(COX-2)
and
the
subsequent
synthesis
of
eicosanoids
initiated
by
this
are
important
molecular
players
in
bone
healing.
In
pilot
study,
suitability
a
novel
selective
COX-2
inhibitor
bearing
nitric
oxide
(NO)-releasing
moiety
was
investigated
as
modulator
healing
critical-size
defect
rats.
A
5
mm
femoral
randomly
filled
with
no
material
(negative
control,
NC),
mixture
collagen
autologous
fragments
(positive
PC),
or
polycaprolactone-co-lactide
(PCL)-scaffolds
coated
two
types
artificial
extracellular
matrix
(aECM;
collagen/chondroitin
sulfate
(Col/CS)
collagen/polysulfated
hyaluronic
acid
(Col/sHA3)).
Bone
monitored
dual-tracer
([18F]FDG/[18F]fluoride)
approach
using
PET/CT
imaging
vivo.
addition,
ex
vivo
µCT
well
histological
immunohistochemical
studies
were
performed
16
weeks
post-surgery.
significant
higher
uptake
[18F]FDG,
surrogate
marker
for
inflammatory
infiltrate,
but
not
[18F]fluoride,
representing
mineralization,
observed
implanted
PCL-scaffolds
either
Col/CS
Col/sHA3.
Molecular
targeting
NO-coxib
had
effect
on
tracer
any
groups.
Histological
staining
showed
evidence
positive
negative
influence
treatment
Biomaterials Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
The
development
of
bioink-based
3D-printed
scaffolds
has
revolutionized
bone
tissue
engineering
(BTE)
by
enabling
patient-specific
and
biomimetic
constructs
for
regeneration.