The critical role of nano-hydroxyapatites as an advanced scaffold in drug delivery towards efficient bone regeneration: Recent progress and challenges
Amir Hatami kaleshtari,
No information about this author
Samira Farjaminejad,
No information about this author
Melika Hasani
No information about this author
et al.
Carbohydrate Polymer Technologies and Applications,
Journal Year:
2025,
Volume and Issue:
unknown, P. 100692 - 100692
Published: Jan. 1, 2025
Language: Английский
From Molecules to Mind: The Critical Role of Chitosan, Collagen, Alginate, and Other Biopolymers in Neuroprotection and Neurodegeneration
Molecules,
Journal Year:
2025,
Volume and Issue:
30(5), P. 1017 - 1017
Published: Feb. 22, 2025
Neurodegenerative
disorders
present
significant
therapeutic
challenges,
particularly
due
to
the
complex
nature
of
drug
delivery
central
nervous
system.
This
review
investigates
applications
various
biopolymers
in
neuroprotection
and
their
potential
role
treating
neurodegeneration.
We
a
critical
analysis
natural
synthetic
biopolymers,
focusing
primarily
on
chitosan,
fish
collagen/gelatin,
alginate
as
key
agents.
The
examines
fundamental
mechanisms
brain
development
neurodegeneration,
establishing
framework
for
understanding
how
these
interact
with
neural
tissues.
By
analyzing
recent
experimental
studies,
we
evaluate
effectiveness
different
biopolymer-based
systems
crossing
blood-brain
barrier
subsequent
neuroprotective
effects.
Additionally,
promising
materials,
including
lignin,
poly
lactic-co-glycolic
acid,
glucose-modified
bovine
serum
albumin/procyanidin
complexes,
are
briefly
explored
provide
comprehensive
overview
current
developments
field.
Our
reveals
that
approaches
offer
unique
advantages
both
delivery,
potentially
opening
new
avenues
neurodegenerative
conditions.
synthesizes
knowledge
identifies
directions
future
research
strategies.
Language: Английский
Optimization of PETG 3D printing parameters for the design and development of biocompatible bone implants
Frontiers in Bioengineering and Biotechnology,
Journal Year:
2025,
Volume and Issue:
13
Published: March 27, 2025
The
search
for
suitable
manufacturing
methods
and
the
selection
of
biocompatible
material
with
good
mechanical
properties
is
still
a
major
challenge
in
implant
development.
polyethylene
terephthalate
glycol
(PETG)
thermoplastic
extensively
utilized
biomedical
applications,
like
tissue
engineering,
dental,
scaffolds
surgery,
because
its
biocompatibility.
Fused
deposition
modeling
(FDM)
gaining
importance
wide
range
applications
developing
custom
shaped
medical
implants.
This
study
aimed
to
fabricate
cranial
using
optimized
parameters
3D
printed
PETG
properties.
research
investigates
optimization
key
printing
layer
height,
line
width
print
speed
by
utilizing
Box
Behnken
Design
(BBD).
Analysis
suggests
that
influential
FDM
are
height
width,
which
significantly
influence
tensile
compressive
strength.
analysis
variance
(ANOVA)
showed
0.12
mm,
0.77
mm
25.75
mm/s
indicated
increased
value
strength,
i.e.,
51.18
MPa
52.33
MPa,
respectively.
effectiveness
RSM
model
was
confirmed
validation
experiment,
errors
less
than
2%.
Additionally,
this
presents
process
framework
development
customized
implants
computed
tomography
(CT)
scan
data
patient.
tested
under
uniaxial
load
shows
an
average
peak
1088
N.
goal
assist
surgeons
overcoming
clinical
challenges
faced
while
selecting
materials
in-house
production
patient-specific
A
further
evaluation
presented
technology
recommended
potential
use
trials.
Language: Английский
Injectable Biopolymer-Based Hydrogels: A Next-Generation Platform for Minimally Invasive Therapeutics
Gels,
Journal Year:
2025,
Volume and Issue:
11(6), P. 383 - 383
Published: May 23, 2025
Injectable
biopolymer-based
hydrogels
have
emerged
as
a
powerful
class
of
biomaterials
designed
for
minimally
invasive
therapeutic
strategies
in
modern
medicine.
These
smart
hydrogels,
derived
from
natural
biopolymers,
such
alginate,
chitosan,
gelatin,
hyaluronic
acid,
and
collagen,
offer
unique
advantages,
including
biocompatibility,
biodegradability,
the
ability
to
mimic
extracellular
matrix.
This
review
provides
comprehensive
overview
recent
advancements
design,
crosslinking
mechanisms,
biofunctionality
injectable
tailored
targeted
drug
delivery
tissue
regeneration.
Special
attention
is
given
their
role
situ
gelling
systems,
cancer
therapy,
musculoskeletal
repair,
neural
Challenges
related
mechanical
strength,
degradation
control,
clinical
translation
are
also
discussed,
along
with
future
perspectives
scalable
manufacturing
regulatory
approval.
Language: Английский
Polymer-Based Scaffolds as an Implantable Material in Regenerative Dentistry: A Review
Ľuboš Leško,
No information about this author
Petra Jungová,
No information about this author
Martina Culenova
No information about this author
et al.
Journal of Functional Biomaterials,
Journal Year:
2025,
Volume and Issue:
16(3), P. 80 - 80
Published: Feb. 24, 2025
Polymer-based
scaffolds
have
emerged
as
transformative
materials
in
regenerative
dentistry,
enabling
the
restoration
and
replacement
of
dental
tissues
through
tissue
engineering
approaches.
These
scaffolds,
derived
from
natural
synthetic
polymers,
mimic
extracellular
matrix
to
promote
cellular
attachment,
proliferation,
differentiation.
Natural
polymers
such
collagen,
chitosan,
alginate
offer
biocompatibility
bioactivity,
while
alternatives
like
polylactic
acid
(PLA)
polycaprolactone
(PCL)
provide
tunable
mechanical
properties
degradation
rates.
Recent
advancements
highlight
integration
bioactive
molecules
nanotechnology
enhance
potential
these
materials.
Furthermore,
developing
hybrid
combining
addresses
strength
challenges,
paving
way
for
patient-specific
treatments.
Innovations
3D
bioprinting
stimuli-responsive
biomaterials
are
expected
refine
scaffold
design
further,
improving
therapeutic
precision
clinical
outcomes.
This
review
underscores
critical
role
polymer-based
advancing
focusing
on
their
applications,
advantages,
limitations.
Language: Английский
The Role of Tissue Engineering in Orthodontic and Orthognathic Treatment: A Narrative Review
Oral,
Journal Year:
2025,
Volume and Issue:
5(1), P. 21 - 21
Published: March 20, 2025
Background:
Orthodontics
and
orthognathic
surgery
present
challenges
such
as
extended
treatment
durations,
patient
discomfort,
complications
like
root
resorption.
Recent
advancements
in
tissue
engineering
nanotechnology
offer
promising
solutions
by
improving
bone
regeneration,
periodontal
repair,
biomaterial
integration.
Objectives:
This
review
explores
the
integration
of
scaffold-based
orthodontics,
focusing
on
their
roles
accelerating
reducing
times,
minimizing
adverse
effects
to
enhance
predictability
success
orthodontic
interventions.
Methods:
Relevant
literature
was
selected
from
PubMed,
Scopus,
Web
Science,
studies
related
scaffold
technology,
biomaterials,
orthodontics.
Keywords
included
“tissue
engineering”,
“orthodontics”,
“biomaterials”,
“scaffolds”,
“nanotechnology”,
“bone
regeneration”.
Priority
given
peer-reviewed
original
studies,
systematic
reviews,
meta-analyses
addressing
innovative
approaches
clinical
outcomes.
Results:
Findings
indicate
that
scaffolds
regeneration
while
nanoparticles
improve
drug
delivery
efficiency.
These
contribute
faster,
more
predictable
treatments
with
reduced
complications.
However,
high
costs,
regulatory
hurdles,
need
for
long-term
validation
remain
barriers
widespread
adoption.
Conclusions:
Tissue
minimally
invasive,
biologically
driven
treatment.
While
significant
progress
has
been
made,
further
cost-effective
strategies,
approvals
are
needed
integrate
these
innovations
into
routine
practice.
Language: Английский
Advances in bioink-based 3D printed scaffolds: optimizing biocompatibility and mechanical properties for bone regeneration
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.
Language: Английский
Efficacy of Three-Dimensional Bioactive Composites in Long Bone Repair with Photobiomodulation
Santos Júnior,
No information about this author
Letícia Carlucci dos Santos,
No information about this author
Daniela Vieira Buchaim
No information about this author
et al.
Materials,
Journal Year:
2025,
Volume and Issue:
18(8), P. 1704 - 1704
Published: April 9, 2025
Different
treatments
have
been
proposed
for
morphofunctional
bone
repair;
however,
they
are
not
always
efficient
and
limitations.
In
this
experimental
study,
we
present
matrix
composites
with
a
possible
synergistic
effect
acting
scaffolds
growth
use
of
photobiomodulation
(PBM)
to
accelerate
tissue
repair.
Thus,
the
objective
was
evaluate
PBM
in
repair
long
(tibia)
rats
filled
biomimetic
collagen
matrices
nanohydroxyapatite
heterologous
fibrin
biopolymer
(FB).
Forty-eight
were
distributed
into
eight
groups
(n
=
six
each):
Blood
Clot
(BC),
+
(BCP),
Matrix
(M),
(MP),
Fibrin
Biopolymer
(FB),
(FBP),
FB
(MFB),
(MFBP).
A
2.0
mm
defect
created
proximal
third
left
tibia.
The
BCP,
MP,
FBP,
MFBP
underwent
during
surgery
maintained
twice
week
until
euthanasia
at
42
days.
Microcomputed
tomography
(micro-CT),
histomorphological
histomorphometric
analyses
performed.
Micro-CT
analysis
revealed
that
influenced
cortical
interposition
between
remnant
newly
formed
bone.
Histologically,
no
exacerbated
inflammatory
focus
or
foreign
body-type
granulomatous
reaction
observed
any
group;
vast
collagenous
more
oriented
thicker
spatial
conformation
PBM-treated
groups.
Histomorphometrically,
showed
significantly
higher
values
compared
other
Specifically,
BC
group
presented
mean
density
68.33
±
7.394,
while
BCP
MP
99.83
11.87
99.67
20.58,
respectively
(p
<
0.05).
Qualitative
fibers
indicated
enhanced
organization
maturation
This
study
concluded
association
bones
rats,
biopolymer,
results
contribute
improvement
growth,
together
scaffolds.
Language: Английский
3D Printing and Electrospinning of Drug- and Graphene-Enhanced Polycaprolactone Scaffolds for Osteochondral Nasal Repair
Materials,
Journal Year:
2025,
Volume and Issue:
18(8), P. 1826 - 1826
Published: April 16, 2025
A
novel
bi-layered
scaffold,
obtained
via
3D
printing
and
electrospinning,
was
designed
to
improve
osteochondral
region
reconstruction.
The
upper
electrospun
membrane
will
act
as
a
barrier
against
unwanted
tissue
infiltration,
while
the
lower
3D-printed
layer
provide
porous
structure
for
ingrowth.
Graphene
integrated
into
scaffold
its
antibacterial
properties,
drug
Osteogenon®
(OST)
added
promote
bone
regeneration.
composite
scaffolds
were
subjected
comprehensive
physical,
thermal,
mechanical
evaluations.
Additionally,
their
biological
functionality
assessed
by
means
of
NHAC-kn
cells.
0.5%
graphene
addition
PCL
significantly
increased
strain
at
break,
enhancing
material
ductility.
GNP
also
acted
an
effective
nucleating
agent,
raising
crystallization
temperatures
supporting
mineralization.
high
surface
area
facilitated
rapid
apatite
formation
attracting
calcium
phosphate
ions.
This
confirmed
FTIR,
µCT
SEM
analyses,
which
highlighted
positive
impact
on
mineral
deposition.
synergistic
interaction
between
nanoplatelets
created
bioactive
environment
that
enhanced
cell
adhesion
proliferation,
promoted
superior
formation.
These
findings
highlight
scaffold’s
potential
promising
biomaterial
repair
regenerative
medicine.
Language: Английский
Integrating Physical and Biochemical Cues for Muscle Engineering: Scaffolds and Graft Durability
Farbod Yousefi,
No information about this author
Lyndon M. Foster,
No information about this author
Omar Selim
No information about this author
et al.
Bioengineering,
Journal Year:
2024,
Volume and Issue:
11(12), P. 1245 - 1245
Published: Dec. 9, 2024
Muscle
stem
cells
(MuSCs)
are
essential
for
skeletal
muscle
regeneration,
influenced
by
a
complex
interplay
of
mechanical,
biochemical,
and
molecular
cues.
Properties
the
extracellular
matrix
(ECM)
such
as
stiffness
alignment
guide
cell
fate
through
mechanosensitive
pathways,
where
forces
like
shear
stress
translate
into
biochemical
signals,
affecting
behavior.
Aging
introduces
senescence
which
disrupts
MuSC
niche,
leading
to
reduced
regenerative
capacity
via
epigenetic
alterations
metabolic
shifts.
Transplantation
further
challenges
viability,
often
resulting
in
fibrosis
driven
dysregulated
fibro-adipogenic
progenitors
(FAPs).
Addressing
these
issues,
scaffold
designs
integrated
with
pharmacotherapy
emulate
ECM
environments,
providing
cues
that
enhance
graft
functionality
endurance.
These
scaffolds
facilitate
synergy
between
mechanotransduction
intracellular
signaling,
optimizing
proliferation
differentiation.
Innovations
utilizing
human
pluripotent
cell-derived
myogenic
exosome-mediated
delivery
exploit
bioactive
properties
targeted
repair.
Additionally,
3D-printed
electrospun
adjustable
biomechanical
traits
tackle
scalability
treating
volumetric
loss.
Advanced
techniques
single-cell
RNA
sequencing
high-resolution
imaging
unravel
repair
mechanisms,
offering
precise
mapping
cellular
interactions.
Collectively,
this
interdisciplinary
approach
fortifies
tissue
durability
maintenance,
propelling
therapeutic
strategies
injuries
degenerative
diseases.
Language: Английский