Biotechnology and Bioengineering,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 17, 2024
ABSTRACT
Chondrosarcomas
(CHS)
constitute
approximately
20%
of
all
primary
malignant
bone
tumors,
characterized
by
a
slow
growth
rate
with
initial
manifestation
few
signs
and
symptoms.
These
cartilaginous
neoplasms,
particularly
those
dedifferentiated
histological
subtypes,
pose
significant
therapeutic
challenges,
as
they
exhibit
high
resistance
to
both
radiation
chemotherapy.
Ranging
from
relatively
benign,
low‐grade
tumors
(grade
I)
aggressive
high‐grade
the
potential
for
lung
metastases
grim
prognosis,
there
is
critical
need
innovative
diagnostic
approaches,
patients
more
forms.
Herein,
small
extracellular
vesicles
(sEVs)
derived
mesenchymal
stem
cells
are
presented
an
efficient
nanodelivery
tool
enhance
drug
penetration
in
vitro
3D
model
CHS.
Employing
high‐pressure
homogenization
(HPH),
we
achieved
unprecedented
encapsulation
efficiency
doxorubicin
(DXR)
sEVs
(MSC‐EVs).
Subsequently,
comparative
analysis
between
free
DXR
MSC‐EVs
encapsulated
(DXR‐MSC‐EVs)
was
conducted
assess
their
uptake
efficacy
model.
The
results
unveiled
higher
incidence
necrotic
pronounced
toxic
effect
DXR‐MSC‐EVs
compared
alone.
This
underscores
remarkable
ability
deliver
drugs
complex
environments,
highlighting
application
treatment
Nanomaterials,
Journal Year:
2024,
Volume and Issue:
14(6), P. 531 - 531
Published: March 16, 2024
Biomimetic
scaffolds
imitate
native
tissue
and
can
take
a
multidimensional
form.
They
are
biocompatible
influence
cellular
metabolism,
making
them
attractive
bioengineering
platforms.
The
use
of
biomimetic
adds
complexity
to
traditional
cell
cultivation
methods.
most
commonly
used
technique
involves
cultivating
cells
on
flat
surface
in
two-dimensional
format
due
its
simplicity.
A
three-dimensional
(3D)
provide
microenvironment
for
surrounding
cells.
There
two
main
techniques
obtaining
3D
structures
based
the
presence
scaffolding.
Scaffold-free
consist
spheroid
technologies.
Meanwhile,
scaffold
contain
organoids
all
constructs
that
various
types
scaffolds,
ranging
from
decellularized
extracellular
matrix
(dECM)
through
hydrogels
one
extensively
studied
forms
potential
culture
up
4D
bioprinted
biomaterials.
bioprinting
is
important
create
scaffolds.
versatility
this
allows
many
different
inks,
mainly
hydrogels,
as
well
inorganic
substances.
Increasing
amounts
data
evidence
vast
usage
engineering
personalized
medicine,
with
area
application
being
regeneration
skin
musculoskeletal
systems.
Recent
papers
also
indicate
increasing
vivo
tests
products
which
further
strengthen
importance
branch
emphasize
need
extensive
research
safe
humansbiomimetic
tissues
organs.
In
review
article,
we
recent
advancements
field
preceded
by
an
overview
technologies
led
development
complex
type
culture.
Theranostics,
Journal Year:
2024,
Volume and Issue:
14(11), P. 4198 - 4217
Published: Jan. 1, 2024
The
utilization
of
extracellular
vesicles
(EVs)
in
wound
healing
has
been
well-documented.However,
the
direct
administration
free
EVs
via
subcutaneous
injection
at
sites
may
result
rapid
dissipation
bioactive
components
and
diminished
therapeutic
efficacy.Functionalized
hydrogels
provide
effective
protection,
as
well
ensure
sustained
release
bioactivity
during
process,
making
them
an
ideal
candidate
material
for
delivering
EVs.In
this
review,
we
introduce
mechanisms
by
which
accelerate
healing,
then
elaborate
on
construction
strategies
engineered
EVs.Subsequently,
discuss
synthesis
application
delivery
systems
to
enhance
complicated
healing.Furthermore,
face
wounds,
functionalized
with
specific
microenvironment
regulation
capabilities,
such
antimicrobial,
anti-inflammatory,
immune
regulation,
used
loading
EVs,
potential
approaches
addressing
these
challenges.Ultimately,
deliberate
future
trajectories
outlooks,
offering
a
fresh
viewpoint
advancement
artificial
intelligence
(AI)-energized
materials
3D
bio-printed
multifunctional
hydrogel-based
dressings
biomedical
applications.
Abstract
With
the
aging
and
obesity
era,
increasing
incidence
of
diabetes
diabetic
complications,
especially
non‐healing
wounds,
imposes
a
serious
economic
burden
on
both
patients
society.
The
complex
microenvironments,
including
hyperglycemia,
bacterial
infection,
ischemia,
nerve
damage,
lead
to
prolonged
inflammation
proliferation
phase
wounds.
Mesenchymal
stem
cell‐derived
small
extracellular
vesicles
(MSC‐sEVs),
which
contain
rich
variety
therapeutic
molecules,
have
been
chased
for
decades
because
their
potential
roles
in
cellular
communication,
tissue
regeneration,
drug
delivery.
As
powerful
tools
controlled‐sustained
release
sEVs,
biocompatible
hydrogels
applied
wide
range
biomedical
applications.
Herein,
we
first
summarize
pathological
features
such
as
angiopathy,
neuropathy,
immune
cell
dysfunction.
Then,
discuss
biological
properties,
performance,
stability
pure
MSC‐sEVs.
After
that,
components,
application
patterns,
responsiveness
hydrogels.
Next,
loading
avenues
MSC‐sEVs
into
hydrogel,
behaviors
sEVs
from
hydrogels,
influence
crosslinking
method
hydrogel‐sEV
composites.
Finally,
provide
an
overview
current
applications
loaded
with
novel
cell‐free
engineering
system
managing
wounds
propose
critical
unsolved
issues.
This
review
is
expected
meaningful
guidance
developing
wound
management.
Regenerative Therapy,
Journal Year:
2024,
Volume and Issue:
27, P. 329 - 341
Published: April 16, 2024
The
effective
promotion
of
wound
healing
poses
a
substantial
challenge
for
clinical
treatment.
Despite
evidence
supporting
the
role
extracellular
vesicles
(EVs)
in
this
process,
their
therapeutic
potential
is
currently
restrict
by
challenges
targeting
and
maintaining
them.
manufacturing
process
rhCol
III,
or
recombinant
human
collagen
stable,
rejection
rate
low.
We
used
cross-linking
method
to
prepare
III
incorporated
sodium
alginate
(SA)
hydrogel,
which
enabled
accomplish
an
EV
sustained
release
that
was
site-specific.
Cell
viability
through
MTT
assay,
proliferation
ROS
generation
were
performed
with
MC3T3-E1cell
lines.
In
addition,
diabetic
wounds
are
characterised
environment
hyper-inflammation
elevated
oxidative
stress.
III/SA-EVs
delivery
vehicle
anti-inflammatory
antioxidant
characteristics,
promotes
setting.
Journal of Nanobiotechnology,
Journal Year:
2025,
Volume and Issue:
23(1)
Published: Jan. 27, 2025
Diabetic
wounds
are
characterized
by
chronic
inflammation,
reduced
angiogenesis,
and
insufficient
collagen
deposition,
leading
to
impaired
healing.
Extracellular
vesicles
(EVs)
derived
from
adipose-derived
mesenchymal
stem
cells
(ADSC)
offer
a
promising
cell-free
therapeutic
strategy,
yet
their
efficacy
immunomodulation
can
be
enhanced
through
bioactivation.
In
this
study,
we
developed
calcium
silicate
(CS)-stimulated
ADSC-derived
EVs
(CSEV)
incorporated
into
hydrogels
create
sustained-release
system
for
promoting
diabetic
wound
CSEV
exhibited
protein
content,
surface
marker
expression,
bioactive
cargo
enriched
with
pro-angiogenic
anti-inflammatory
factors.
vitro,
CSEV-loaded
significantly
reactive
oxygen
species
production,
promoted
cell
proliferation
migration
compared
standard
EV-loaded
collagen.
Cytokine
profiling
revealed
the
upregulation
of
cytokines
extracellular
matrix
components,
highlighting
immunomodulatory
regenerative
potential.
vivo,
histological
evaluation
rabbit
models
treated
superior
reepithelialization
organized
indicating
accelerated
closure.
These
findings
underscore
potential
as
an
innovative
effective
platform
enhancing
healing
simultaneously
addressing
inflammation
tissue
regeneration.
The International Journal of Lower Extremity Wounds,
Journal Year:
2024,
Volume and Issue:
unknown
Published: April 15, 2024
Nanohydrogel
wound
healing
refers
to
the
use
of
nanotechnology-based
hydrogel
materials
promote
wounds.
Hydrogel
dressings
are
made
up
a
three-dimensional
network
hydrophilic
polymers
that
can
absorb
and
retain
large
amounts
water
or
other
fluids.
Nanohydrogels
take
this
concept
further
by
incorporating
nanoscale
particles
structures
into
matrix.
These
nanoparticles
be
various
materials,
such
as
silver,
zinc
oxide,
derived
from
natural
substances
like
chitosan.
The
inclusion
provide
additional
properties
benefits
dressings.
designed
release
bioactive
substances,
growth
factors
drugs,
in
controlled
manner.
This
allows
for
targeted
delivery
therapeutics
site,
promoting
reducing
inflammation.
Nanoparticles
reinforce
structure
hydrogels,
improving
their
mechanical
strength
stability.
often
incorporate
antimicrobial
nanoparticles,
silver
oxide.
have
shown
effective
activity
against
wide
range
bacteria,
fungi,
pathogens.
By
them
dressings,
nanohydrogels
help
prevent
reduce
risk
infection
encapsulate
factors,
peptides,
sustained
therapeutic
agents
promotes
facilitating
cell
proliferation,
inflammation,
supporting
tissue
regeneration.
unique
nanohydrogels,
including
ability
maintain
moist
environment
deliver
agents,
accelerate
process.
creating
an
optimal
repair,
faster
more
efficient
Burns & Trauma,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 23, 2025
Abstract
Burn
injuries
are
associated
with
high
morbidity
and
mortality,
severe
burns
trigger
many
pathophysiological
reactions,
such
as
metabolic
changes,
distributive
shock,
inflammatory
responses,
which
potentially
devastating
to
patients.
wound
management
necessitates
infection
prevention,
anti-inflammation,
pain
management,
growth
factor
but
significant
obstacles
remain.
Extracellular
vesicles
(EVs)
lipid
bilayer
secreted
by
various
cell
types,
including
mammalian
cells,
plant
even
prokaryotes,
They
widely
involved
in
biological
processes,
survival,
neovascularization,
immunomodulation.
EVs
abundant
components
that
can
play
a
role
different
stages
of
repair
at
subcellular
levels
simultaneously
transporting
active
contents,
proteins
nucleic
acids.
Moreover,
detectable
biofluids
burn
injury
patients
thus
regarded
novel
biomarkers
for
monitoring
therapeutic
response
predicting
prognosis.
This
review
summarizes
the
roles
their
mechanisms
action
summarized.
The
prospects
opportunities
clinical
application
wounds
also
discussed.
will
stimulate
guide
additional
in-depth
studies
repair,
provide
new
therapy
wounds,
reference
guidance
applying
repair.