Macromolecular Bioscience,
Journal Year:
2024,
Volume and Issue:
24(5)
Published: Jan. 15, 2024
Abstract
Spinal
cord
injuries
are
very
common
worldwide,
leading
to
permanent
nerve
function
loss
with
devastating
effects
in
the
affected
patients.
The
challenges
and
inadequate
results
current
clinical
treatments
scientists
innovative
neural
regenerative
research.
Advances
nanoscience
tissue
engineering
have
opened
new
avenues
for
spinal
injury
(SCI)
treatment.
In
order
designed
guidance
conduit
(NGC)
be
functionally
useful,
it
must
ideal
scaffold
properties
topographic
features
that
promote
linear
orientation
of
damaged
axons.
this
study,
is
aimed
develop
channeled
polycaprolactone
(PCL)/Poly‐D,L‐lactic‐co‐glycolic
acid
(PLGA)
hybrid
film
scaffolds,
modify
their
surfaces
by
IKVAV
pentapeptide/gold
nanoparticles
(AuNPs)
or
polypyrrole
(PPy)
investigate
behavior
motor
neurons
on
vitro
under
static/bioreactor
conditions.
Their
potential
regeneration
after
implantation
into
rat
SCI
shaping
scaffolds
modified
factors
a
tubular
form
also
examined.
It
shown
groups
decorated
AuNPs
highly
neurite
bioreactor
conditions
developed
optimal
NGC
(PCL/PLGA
G1‐IKVAV/BDNF/NGF‐AuNP
50
)
regenerates
SCI.
indicate
can
an
candidate
regeneration.
Polymers for Advanced Technologies,
Journal Year:
2025,
Volume and Issue:
36(1)
Published: Jan. 1, 2025
ABSTRACT
Silicone
rubbers,
such
as
polydimethylsiloxane
(PDMS),
have
been
widely
used
in
biotechnology
and
medical
science
because
of
their
excellent
properties.
However,
microfabrication
silicone
rubbers
remains
to
be
problematic
the
high
viscosity
adhesiveness
(tackiness)
rubber,
making
it
difficult
fill
molds
reproduce
shapes
during
soft
lithography.
Also,
patterns
made
rubber
are
prone
pattern
collapse.
To
address
these,
we
designed
molecules
that
can
modified
by
radiation
whose
hardness
adjusted
after
microfabrication.
By
combining
materials
with
different
chemical
structures
molecular
weights,
developed
a
low
suitable
for
modification.
The
synthesized
had
filling
ability
micropatterned
adhesiveness,
which
prevented
Moreover,
elastic
modulus
controlled
using
high‐energy
electron
beam
(EB)
irradiation.
radiation‐modified
sheet
retained
its
transparency
visible
light,
oxygen
permeability,
drug
adsorption
adhesion.
utilizing
these
characteristics,
new
technique
was
produces
microfabricated
hydrophilicity
imprinting
technology
followed
EB
Soft
lithography
then
performed
on
transfer
micropillar
structure.
Pillar
were
accurately
fabricated
diameter
1.0
μm
or
less
along
mold,
is
fabricate
conventional
PDMS.
This
overcomes
problems
associated
promising
material
high‐performance
microdevices.
Biomimetics,
Journal Year:
2025,
Volume and Issue:
10(4), P. 213 - 213
Published: March 31, 2025
Peripheral
nerve
injuries
(PNIs)
pose
significant
challenges
to
recovery,
often
resulting
in
impaired
function
and
quality
of
life.
To
address
these
challenges,
guidance
conduits
(NGCs)
are
being
developed
as
effective
strategies
promote
regeneration
by
providing
a
supportive
framework
that
guides
axonal
growth
facilitates
reconnection
severed
nerves.
Among
the
materials
explored,
graphene-based
(GBMs)
have
emerged
promising
candidates
due
their
unique
properties.
Their
properties—such
high
mechanical
strength,
excellent
electrical
conductivity,
favorable
biocompatibility—make
them
ideal
for
applications
repair.
The
integration
3D
printing
technologies
further
enhances
development
GBM-based
NGCs,
enabling
creation
scaffolds
with
complex
architectures
precise
topographical
cues
closely
mimic
natural
neural
environment.
This
customization
significantly
increases
potential
successful
review
offers
comprehensive
overview
properties
GBMs,
principles
printing,
key
design
3D-printed
NGCs.
Additionally,
it
discusses
future
perspectives
research
directions
could
advance
application
GBMs
therapies.
Tissue Engineering Part B Reviews,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 21, 2025
The
study
of
the
human
nervous
system
remains
challenging
due
to
its
inherent
complexity
and
difficulty
in
obtaining
original
samples.
Three-dimensional
(3D)
bioprinting
is
a
rapidly
evolving
technology
field
tissue
engineering
that
has
made
significant
contributions
several
disciplines,
including
neuroscience.
In
order
more
accurately
reflect
intricate
multicellular
milieu
vivo
environment,
an
increasing
number
studies
have
commenced
experimentation
with
coprinting
diverse
cell
types.
This
article
provides
overview
technical
details
application
3D
multiple
types
neuroscience,
focusing
on
challenges
research
conducted
based
printing.
review
discusses
interactions
systems,
stem
applications,
construction
brain-like
organoids,
establishment
disease
models,
potential
for
integrating
other
culture
techniques.
BioMedical Engineering OnLine,
Journal Year:
2024,
Volume and Issue:
23(1)
Published: April 6, 2024
Abstract
Severely
damaged
peripheral
nerves
will
regenerate
incompletely
due
to
lack
of
directionality
in
their
regeneration,
leading
loss
nerve
function.
To
address
this
problem,
various
guidance
conduits
(NGCs)
have
been
developed
provide
for
repair.
However,
clinical
application
is
still
limited,
mainly
because
its
effect
promoting
repair
not
as
good
autologous
transplantation.
Therefore,
it
necessary
enhance
the
ability
NGCs
promote
directional
growth.
Strategies
include
preparing
structures
on
contact
guidance,
and
loading
substances
them
electrical
stimulation
or
neurotrophic
factor
concentration
gradient
physical
biological
signals.
Macromolecular Rapid Communications,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 17, 2024
Tissue
repair
and
regeneration,
such
as
bone
nerve
restoration,
face
significant
challenges
due
to
strict
regulations
within
the
immune
microenvironment,
stem
cell
differentiation,
key
behaviors.
The
development
of
3D
scaffolds
is
identified
a
promising
approach
address
these
issues
via
efficiently
structural
on
fates
In
particular,
3D-printed
polymer
with
diverse
micro-/nanostructures
offer
great
potential
for
mimicking
structures
tissue.
Consequently,
they
are
foreseen
promissing
pathways
regulating
fates,
including
phenotype,
differentiation
cells,
well
migration
proliferation
thereby
facilitating
tissue
repairs
regenerations.
Herein,
roles
functions
in
behaviors
numerous
cells
related
along
their
specific
influences
highlighted.
Additionally,
outlooks
associated
various
modulating
also
discussed.