Bioengineering,
Journal Year:
2024,
Volume and Issue:
11(12), P. 1287 - 1287
Published: Dec. 18, 2024
Biogenic
hydroxyapatite
is
known
for
its
osteoinductive
potential
due
to
similarity
human
bone
and
biocompatibility,
but
insufficient
vascularization
compared
autogenous
during
early
implantation
limits
integration
osteogenesis.
Fluorine
has
been
shown
improve
hydroxyapatite’s
mechanical
properties
the
coupling
of
osteogenic
angiogenic
cells.
In
this
study,
fluorine-modified
biogenic
(FPHA)
with
varying
fluorine
concentrations
was
prepared
tested
ability
promote
vascularized
FPHA
in
study
retained
natural
porous
structure
biological
cancellous
released
F−
ions
when
immersed
cell
culture
medium.
The
extraction
solutions
FPHA0.25
FPHA0.50
promoted
formation
capillary-like
tubes
by
umbilical
vein
endothelial
cells
(HUVECs),
significantly
upregulating
vegf
mRNA
VEGF
protein
levels
co-cultured
marrow
mesenchymal
stem
(HBMSCs).
Additionally,
upregulated
pdgf-bb
PDGF-BB
HUVECs.
vivo
experiments
using
a
rabbit
cranial
defect
model
demonstrated
that
angiogenesis
area,
enhanced
secretion,
increased
PDGFR-β
expression
These
findings
suggest
an
optimal
concentration
(FPHA0.25)
may
offer
promising
strategy
enhance
body’s
innate
bone-healing
accelerating
vascularization.
ACS Applied Bio Materials,
Journal Year:
2024,
Volume and Issue:
7(7), P. 4270 - 4292
Published: July 1, 2024
Bone,
a
fundamental
constituent
of
the
human
body,
is
vital
scaffold
for
support,
protection,
and
locomotion,
underscoring
its
pivotal
role
in
maintaining
skeletal
integrity
overall
functionality.
However,
factors
such
as
trauma,
disease,
or
aging
can
compromise
bone
structure,
necessitating
effective
strategies
regeneration.
Traditional
approaches
often
lack
biomimetic
environments
conducive
to
efficient
tissue
repair.
Nanofibrous
microspheres
(NFMS)
present
promising
platform
regeneration
by
mimicking
native
extracellular
matrix
architecture.
Through
optimized
fabrication
techniques
incorporation
active
biomolecular
components,
NFMS
precisely
replicate
nanostructure
biochemical
cues
essential
osteogenesis
promotion.
Furthermore,
exhibit
versatile
properties,
including
tunable
morphology,
mechanical
strength,
controlled
release
kinetics,
augmenting
their
suitability
tailored
engineering
applications.
enhance
cell
recruitment,
attachment,
proliferation,
while
promoting
osteogenic
differentiation
mineralization,
thereby
accelerating
healing.
This
review
highlights
engineering,
elucidating
design
principles
key
attributes.
By
examining
recent
preclinical
applications,
we
assess
current
clinical
status
discuss
critical
considerations
potential
translation.
offers
crucial
insights
researchers
at
intersection
biomaterials
highlighting
developments
this
expanding
field.
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.
Polymers,
Journal Year:
2025,
Volume and Issue:
17(9), P. 1206 - 1206
Published: April 28, 2025
Polyetheretherketone
(PEEK)
is
a
widely
used
material
in
bone
tissue
engineering
due
to
its
favorable
mechanical
properties
and
radiolucency.
However,
bioinert
nature
lack
of
osteogenic
activity
restrict
ability
support
effective
regeneration.
In
this
study,
novel
APS-coated
plasma-treated
sulfonated
bioactive
PEEK
scaffold
(APS/PSBPK)
was
developed
overcome
these
limitations.
The
integrates
strontium-doped
glass
(SrBG)
enhance
biocompatibility
potential,
while
astragalus
polysaccharide
(APS)
incorporated
via
plasma
cleaning
modulate
immune
responses
promote
vascularization.
vitro
studies
demonstrated
that
the
APS/PSBPK
facilitates
M2
macrophage
polarization,
reduces
pro-inflammatory
cytokines,
enhances
secretion
anti-inflammatory
factors.
It
also
promotes
endothelial
cell
migration
angiogenesis
supporting
adhesion,
proliferation,
differentiation
rBMSCs.
vivo
experiments
revealed
effectively
regulates
microenvironment,
vascularization,
accelerates
Thus,
composite
serves
as
multifunctional
biomaterial
with
significant
potential
for
applications
repair
regeneration
by
combining
immunomodulation,
angiogenesis,
osteogenesis.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 17, 2024
Abstract
Anterior
cruciate
ligament
(ACL)
injuries
in
sports
have
become
increasingly
prevalent,
leading
to
the
widespread
adoption
of
polyethylene
terephthalate
(PET)
artificial
ligaments
for
ACL
reconstruction
due
their
superior
mechanical
properties.
However,
bio‐inertness
PET
presents
a
significant
challenge
graft‐bone
integration,
necessitating
enhancement
surface
bioactivity.
This
study
employed
magnetron
sputtering
and
hydrogel
coating
techniques
introduce
strontium
calcium‐phosphorus,
magnesium
ions
onto
ligaments,
achieving
sequential
release
Mg,
Sr
ions.
The
scanning
electron
microscopy
analysis
confirmed
uniformity
stability
modified
material.
synergistic
effect
from
Mg/Sr‐PET
has
effectively
promoted
osteogenesis,
angiogenesis,
neuronal
differentiation
vitro.
Moreover,
reconstructed
model
using
Sprague‐Dawley
rats,
histological
staining,
micro‐computed
tomography,
biomechanical
test
results
indicated
that
group
notably
stimulated
blood
vessel
nerve
formation,
demonstrating
remarkable
bone
regrowth
promotion.
In
conclusion,
significantly
enhanced
integration
accelerated
rapid
healing,
offering
valuable
insights
improving
clinical
outcomes.