Gels,
Journal Year:
2025,
Volume and Issue:
11(3), P. 175 - 175
Published: Feb. 27, 2025
Bone
tissue
engineering
has
emerged
as
a
promising
approach
to
addressing
the
limitations
of
traditional
bone
grafts
for
repairing
defects.
This
regenerative
medicine
strategy
leverages
biomaterials,
growth
factors,
and
cells
create
favorable
environment
regeneration,
mimicking
body’s
natural
healing
process.
Among
various
biomaterials
explored,
hydrogels
(HGs),
class
three-dimensional,
hydrophilic
polymer
networks,
have
gained
significant
attention
scaffolds
engineering.
Thus,
this
review
aimed
investigate
potential
synthetic
HGs,
molecules
used
its
functionalization,
enhanced
applications.
HGs
offer
several
advantages
such
scaffolds,
including
biocompatibility,
biodegradability,
tunable
mechanical
properties,
ability
encapsulate
deliver
bioactive
molecules.
These
properties
make
them
ideal
candidates
supporting
cell
attachment,
proliferation,
differentiation,
ultimately
guiding
formation
new
tissue.
The
design
optimization
HG-based
involve
adapting
their
composition,
structure,
meet
specific
requirements
regeneration.
Current
research
focuses
on
incorporating
molecules,
factors
cytokines,
into
HG
further
enhance
osteoinductive
osteoconductive
properties.
Additionally,
strategies
improve
strength
degradation
kinetics
are
being
explored
ensure
long-term
stability
support
formation.
development
advanced
holds
great
revolutionizing
providing
effective
treatment
options
patients
with
Advanced Healthcare Materials,
Journal Year:
2024,
Volume and Issue:
13(28)
Published: July 16, 2024
Abstract
Increased
inflammatory
responses
and
oxidative
stress
at
the
wound
site
following
skin
trauma
impair
healing.
Furthermore,
scarring
places
fibroblasts
under
severe
mechanical
aggravates
pathological
fibrosis.
A
novel
liposomal
composite
hydrogel
is
engineered
for
microenvironment
remodeling,
incorporating
dual‐loaded
liposomes
into
gelatin
methacrylate
to
create
a
nanocomposite
hydrogel.
Notably,
tetrahydrocurcumin
(THC)
hepatocyte
growth
factor
(HGF)
are
encapsulated
in
hydrophobic
hydrophilic
layers
of
liposomes,
respectively.
The
maintains
porous
nanoarchitecture,
demonstrating
sustainable
THC
HGF
release
enhanced
properties
biocompatibility.
This
system
effectively
promotes
cell
proliferation
angiogenesis
attenuates
apoptosis.
It
decreases
expression
factors
by
inhibiting
high‐mobility
group
box
/receptor
advanced
glycation
end
product/NF‐κB
(HMGB1/RAGE/NF‐κB)pathway
increases
macrophage
polarization
from
M1
M2
vitro,
controlling
responses.
exhibits
remarkable
antioxidant
scavenging
excess
reactive
oxygen
species
free
radicals.
Most
importantly,
it
prevents
scar
formation
restraining
transforming
beta
(TGF‐β)/Smads
pathway
that
downregulates
associated
fibrotic
factors.
demonstrates
strong
therapeutic
effects
against
inflammation
fibrosis
rat
model
with
biosafety,
advancing
development
innovative
hydrogel‐based
delivery
strategies
clinical
scarless
therapy.
Biomedicines,
Journal Year:
2023,
Volume and Issue:
12(1), P. 76 - 76
Published: Dec. 28, 2023
The
development
of
artificial
intelligence
(AI)
has
revolutionized
medical
care
in
recent
years
and
plays
a
vital
role
number
areas,
such
as
diagnostics
forecasting.
In
this
review,
we
discuss
the
most
promising
areas
AI
application
to
field
bone
tissue
engineering
prosthetics,
which
can
drastically
benefit
from
AI-assisted
optimization
patient
personalization
implants
scaffolds
ways
ranging
visualization
real-time
monitoring
implantation
cases
prediction,
thereby
leveraging
compromise
between
specific
architecture
decisions,
material
choice,
synthesis
procedure.
With
emphasized
crucial
accuracy
robustness
developed
algorithms,
especially
engineering,
it
was
shown
that
rigorous
validation
testing,
demanding
large
datasets
extensive
clinical
trials,
are
essential,
how
through
developing
multidisciplinary
cooperation
among
biology,
chemistry
with
materials
science,
AI,
these
challenges
be
addressed.
Journal of Nanobiotechnology,
Journal Year:
2024,
Volume and Issue:
22(1)
Published: May 17, 2024
Abstract
Background
Pulp
regeneration
is
a
novel
approach
for
the
treatment
of
immature
permanent
teeth
with
pulp
necrosis.
This
technique
includes
combination
stem
cells,
scaffolds,
and
growth
factors.
Recently,
cell-derived
extracellular
vesicles
(EVs)
have
emerged
as
new
methodology
regeneration.
Emerging
evidence
has
proven
that
preconditioning
an
effective
scheme
to
modify
EVs
better
therapeutic
potency.
Meanwhile,
proper
scaffolding
great
significance
protect
from
rapid
clearance
destruction.
investigation
aims
fabricate
injectable
hydrogel
loaded
pre-differentiated
cells
human
exfoliated
deciduous
(SHEDs)
examine
their
effects
on
Results
We
successfully
employed
odontogenic
induction
medium
(OM)
SHEDs
generate
functional
EV
(OM-EV).
The
OM-EV
at
concentration
20
µg/mL
was
demonstrated
promote
proliferation
migration
dental
(DPSCs).
results
revealed
potential
differentiation
DPSCs
than
common
(CM-EV)
in
vitro
through
Alizarin
red
phalloidin,
alkaline
phosphatase
staining,
assessment
expression
odontogenic-related
markers.
High-throughput
sequencing
suggests
superior
may
be
attributed
activation
AMPK/mTOR
pathway.
Simultaneously,
we
prepared
photocrosslinkable
gelatin
methacryloyl
(GelMA)
construct
OM-EV-encapsulated
hydrogel.
exhibited
sustained
release
good
biocompatibility
DPSCs.
released
could
internalized
by
DPSCs,
thereby
enhancing
survival
migration.
In
tooth
root
slices
were
subcutaneously
transplanted
nude
mice,
found
facilitate
dentinogenesis.
After
8
weeks,
there
more
formation
mineralized
tissue,
well
higher
levels
dentin
sialophosphoprotein
(DSPP)
matrix
protein-1
(DMP-1).
Conclusions
can
substantially
enhanced
SHEDs.
combined
GelMA
are
capable
effectively
promoting
dentinogenesis
upregulating
which
provides
promising
Giant,
Journal Year:
2024,
Volume and Issue:
19, P. 100321 - 100321
Published: July 11, 2024
Biomimetic
damping
materials
have
emerged
as
promising
candidates
for
various
applications
due
to
their
ability
mimic
the
exceptional
properties
observed
in
biological
systems.
This
review
provides
a
comprehensive
overview
of
recent
advances
field
biomimetic
gel
materials.
The
conceptual
framework
is
discussed,
synthesis
methods
inspired
by
principles
are
elucidated,
and
key
considerations
material
selection
highlighted.
latest
research
findings
on
mechanical
properties,
biocompatibility
practical
these
synthesized
insights
into
future
directions
offered.
ACS Biomaterials Science & Engineering,
Journal Year:
2024,
Volume and Issue:
10(8), P. 5122 - 5135
Published: July 22, 2024
3D
extrusion
printing
has
been
widely
investigated
for
low-volume
production
of
complex-shaped
scaffolds
tissue
regeneration.
Gelatin
methacryloyl
(GelMA)
is
used
as
a
baseline
material
the
synthesis
biomaterial
inks,
often
with
organic/inorganic
fillers,
to
obtain
balance
between
good
printability
and
biophysical
properties.
The
present
study
demonstrates
how
45S5
bioactive
glass
(BG)
addition
GelMA
concentrations
can
be
tailored
develop
composite
buildability.
experimental
results
suggest
that
BG
consistently
decreases
compression
stiffness,
irrespective
concentration,
albeit
within
20%
scaffold
(without
BG).
optimal
2
wt
%
in
7.5
was
demonstrated
provide
best
combination
buildability
route.
degradation
swelling
kinetics
increases
addition,
concentration.
Importantly,
dissolution
simulated
body
fluid
over
3
weeks
clearly
promoted
nucleation
growth
crystalline
calcium
phosphate
particles,
indicating
potential
GelMA-45S5
promote
biomineralization.
cytocompatibility
assessment
using
human
osteoblasts
could
demonstrate
uncompromised
cell
proliferation
or
osteogenic
marker
expression
21
days
culture
printable
-2
when
compared
GelMA.
thus
encourage
further
investigations
GelMA/45S5
system
bone
engineering
applications.
Macromolecular Bioscience,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 21, 2025
Osteoporotic
bone
regeneration
is
challenging
due
to
impaired
formation.
Tetrahedral
DNA
nanostructures
(TDN),
promising
nucleic
acid
nanomaterials,
have
garnered
attention
for
their
potential
in
osteoporotic
mandibular
owing
ability
enhance
cellular
activity
and
promote
osteogenic
differentiation.
Osteoblasts
play
a
critical
role
regeneration;
however,
intracellular
delivery
of
TDN
into
osteoblasts
remains
difficult.
In
this
study,
novel
osteoblast-targeted
CH6
aptamer-functionalized
(TDN-CH6)
aimed
develop
regeneration.
This
results
demonstrated
that
TDN-CH6
exhibits
superior
osteoblast
specificity
efficient
recruitment
fracture
sites.
Furthermore,
significantly
enhances
differentiation
compared
alone.
Notably,
Gelatin
Methacryloyl
(GelMA)
hydrogels
incorporating
shows
improved
biological
performance
are
favorable
regeneration,
suggesting
platform
represents
strategy
addressing
complex
defects.