Journal of Orthopaedic Translation,
Journal Year:
2024,
Volume and Issue:
48, P. 89 - 106
Published: Aug. 2, 2024
Fibrovascular
scar
healing
of
bone-tendon
interface
(BTI)
instead
functional
fibrocartilage
regeneration
is
the
main
concern
associated
with
unsatisfactory
prognosis
in
rotator
cuff
repair.
Mesenchymal
stem
cells
(MSCs)
exosomes
have
been
reported
to
be
a
new
promising
cell-free
approach
for
healing.
Whereas,
controversies
abound
whether
native
MSCs
alone
can
effectively
induce
chondrogenesis.
To
explore
effect
derived
from
low-intensity
pulsed
ultrasound
stimulation
(LIPUS)-preconditioned
bone
marrow
mesenchymal
(LIPUS-BMSC-Exos)
or
un-preconditioned
BMSCs
(BMSC-Exos)
on
and
underlying
mechanism.
C57BL/6
mice
underwent
unilateral
supraspinatus
tendon
detachment
repair
were
randomly
assigned
saline,
BMSCs-Exos
LIPUS-BMSC-Exos
injection
therapy.
Histological,
immunofluorescent
biomechanical
tests
detected
investigate
BTI
muscle
fatty
infiltration
repaired
cuff.
In
vitro,
incubated
BMSC-Exos
then
chondrogenic/adipogenic
differentiation
observed.
Further,
quantitative
real-time
polymerase
chain
reaction
(qRT-PCR)
was
performed
detect
chondrogenesis/adipogenesis-related
miRNA
profiles
BMSC-Exos.
The
potential
key
verified
through
function
recover
test
its
mimic
inhibitor.
results
indicated
that
properties
tendon-humeral
junction
significantly
improved
group
than
group.
also
exhibited
higher
histological
score
more
newly
regenerated
at
site
postoperative
2
4
weeks
less
co-culture
could
promote
chondrogenic
inhibit
adipogenic
differentiation.
Subsequently,
qRT-PCR
revealed
enrichment
miRNAs
compared
Moreover,
we
demonstrated
this
chondrogenesis-inducing
primarily
attributed
miR-140,
one
most
abundant
LIPUS-BMSC-Exos.
LIPUS-preconditioned
ameliorate
by
positive
regulation
pro-chondrogenesis
anti-adipogenesis,
which
delivering
miR-140.
These
findings
propose
an
innovative
"LIPUS
combined
Exosomes
strategy"
combines
both
physiotherapeutic
biotherapeutic
advantages.
This
strategy
possesses
good
translational
as
local
LIPUS
preconditioned
BMSC-derived
Exos
during
operation
not
only
efficient
promoting
ameliorating
infiltration,
but
time-saving,
simple
convenient
patients.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(18)
Published: Jan. 15, 2024
Abstract
Mitochondria,
widely
known
as
the
energy
factories
of
eukaryotic
cells,
have
a
myriad
vital
functions
across
diverse
cellular
processes.
Dysfunctions
within
mitochondria
serve
catalysts
for
various
diseases,
prompting
widespread
demise.
Mounting
research
on
remedying
damaged
indicates
that
constitute
valuable
target
therapeutic
intervention
against
diseases.
But
less
clinical
practice
and
lower
recovery
rate
imply
limitation
traditional
drugs,
which
need
further
breakthrough.
Nanotechnology
has
approached
favorable
regiospecific
biodistribution
high
efficacy
by
capitalizing
excellent
nanomaterials
targeting
drug
delivery.
Mitochondria‐remedying
nanodrugs
achieved
ideal
effects.
This
review
elucidates
significance
in
cells
organs,
while
also
compiling
mortality
data
related
Correspondingly,
nanodrug‐mediate
strategies
applicable
mitochondria‐remedying
disease
are
detailed,
with
full
understanding
roles
dysfunction
advantages
nanodrugs.
In
addition,
future
challenges
directions
discussed.
conclusion,
this
provides
comprehensive
insights
into
design
development
nanodrugs,
aiming
to
help
scientists
who
desire
extend
their
fields
engage
interdisciplinary
subject.
PubMed,
Journal Year:
2022,
Volume and Issue:
3(3), P. 175 - 187
Published: Jan. 1, 2022
Accumulating
evidence
suggests
that
the
therapeutic
role
of
mesenchymal
stem
cells
(MSCs)
in
bone
diseases
is
closely
related
to
paracrine-generated
extracellular
vesicles
(EVs).
MSC-derived
EVs
(MSC-EVs)
carry
proteins,
nucleic
acids,
and
lipids
space
affect
microenvironment.
They
have
similar
biological
functions
MSCs,
such
as
ability
repair
organ
tissue
damage.
In
addition,
MSC-EVs
also
advantages
long
half-life,
low
immunogenicity,
attractive
stability,
pass
through
blood-brain
barrier,
demonstrate
excellent
performance
with
potential
practical
applications
diseases.
this
review,
we
summarise
current
mechanisms
osteoporosis,
osteoarthritis,
tumours,
osteonecrosis
femoral
head,
fractures,
well
development
combined
materials
science
field
orthopaedics.
Additionally,
explore
critical
challenges
involved
clinical
application
orthopaedic
Cells,
Journal Year:
2021,
Volume and Issue:
10(12), P. 3278 - 3278
Published: Nov. 23, 2021
Mesenchymal
stem/stromal
cells
(MSCs)
are
currently
one
of
the
most
extensively
researched
fields
due
to
their
promising
opportunity
for
use
in
regenerative
medicine.
There
many
sources
MSCs,
which
perinatal
origin
appear
be
an
invaluable
pool.
Compared
embryonic
stem
cells,
they
devoid
ethical
conflicts
because
derived
from
tissues
surrounding
fetus
and
can
safely
recovered
medical
waste
after
delivery.
Additionally,
MSCs
exhibit
better
self-renewal
differentiation
properties
than
those
adult
tissues.
It
is
important
consider
anatomy
general
description
including
isolation,
differentiation,
characterization
different
types
both
animals
humans
(placenta,
umbilical
cord,
amniotic
fluid).
Ultimately,
signaling
pathways
essential
regarding
clinical
applications
MSCs.
these
referring
anatomical
structure
organs
origin,
when
describing
specific
characteristics
as
well
involved
differentiation.
Extracellular Vesicle,
Journal Year:
2024,
Volume and Issue:
3, P. 100034 - 100034
Published: March 2, 2024
Mesenchymal
stem
cells
(MSCs)
have
been
studied
for
decades
as
candidates
cellular
therapy,
and
their
secretome,
including
secreted
extracellular
vesicles
(EVs),
has
identified
to
contribute
significantly
regenerative
reparative
functions.
Emerging
evidence
suggested
that
MSC-EVs
alone,
could
be
used
therapeutics
emulate
the
biological
function
of
MSCs.
However,
just
with
MSCs,
shown
vary
in
composition,
depending
on
tissue
source
MSCs
well
protocols
employed
culturing
obtaining
EVs.
Therefore,
importance
careful
choice
cell
sources
culture
environments
is
receiving
increasing
attention.
Many
factors
therapeutic
potential
MSC-EVs,
tissue,
isolation
technique,
conditions.
This
review
illustrates
molecular
landscape
EVs
derived
from
different
types
MSC
along
strategies.
A
thorough
analysis
publicly
available
omic
datasets
was
performed
advance
precision
understanding
unique
source-dependent
characteristics.
The
tissue-specific
protein
miRNA-driven
Reactome
ontology
reveal
distinct
patterns
top
pathways
across
adipose,
bone
marrow,
umbilical
MSC-EVs.
Moreover,
a
meta-analysis
assisted
by
an
AI
technique
analyze
published
literature,
providing
insights
into
translation
based
tissues.
Antioxidants,
Journal Year:
2025,
Volume and Issue:
14(2), P. 203 - 203
Published: Feb. 10, 2025
The
interplay
between
oxidative
stress
and
adipogenesis
is
a
critical
factor
in
the
development
of
obesity
its
associated
metabolic
disorders.
Excessive
reactive
oxygen
species
(ROS)
disrupt
key
transcription
factors
such
as
peroxisome
proliferator-activated
receptor
gamma
(PPARγ)
CCAAT/enhancer-binding
protein
alpha
(C/EBPα),
impairing
lipid
metabolism,
promoting
adipocyte
dysfunction,
exacerbating
inflammation
insulin
resistance.
Antioxidants,
classified
endogenous
(e.g.,
glutathione,
superoxide
dismutase,
catalase)
exogenous
polyphenols,
flavonoids,
vitamins
C
E),
are
pivotal
mitigating
these
effects
by
restoring
redox
balance
preserving
functionality.
Endogenous
antioxidants
neutralize
ROS
safeguard
cellular
structures;
however,
under
heightened
stress,
defenses
often
insufficient,
necessitating
dietary
supplementation.
Exogenous
derived
from
plant-based
sources,
polyphenols
vitamins,
act
through
direct
scavenging,
upregulation
antioxidant
enzymes,
modulation
signaling
pathways
like
nuclear
kappa
B
(NF-κB)
PPARγ,
reducing
peroxidation,
inflammation,
dysfunction.
Furthermore,
they
influence
epigenetic
regulation
transcriptional
networks
to
restore
differentiation
limit
accumulation.
Antioxidant-rich
diets,
including
Mediterranean
diet,
strongly
with
improved
health,
reduced
rates,
enhanced
sensitivity.
Advances
personalized
therapies,
guided
biomarkers
supported
novel
delivery
systems,
present
promising
avenues
for
optimizing
therapeutic
interventions.
This
review,
"Crosstalk
Between
Antioxidants
Adipogenesis:
Mechanistic
Pathways
Their
Role
Metabolic
Health",
highlights
mechanistic
which
regulate
enhance
health.
Advanced Science,
Journal Year:
2022,
Volume and Issue:
9(34)
Published: Oct. 19, 2022
Abstract
3D
bioprinting
holds
great
promise
for
tissue
engineering,
with
extrusion
in
suspended
hydrogels
becoming
the
leading
technique
recent
years.
In
this
method,
living
cells
are
incorporated
within
bioinks,
extruded
layer
by
into
a
granular
support
material
followed
gelation
of
bioink
through
diverse
cross‐linking
mechanisms.
This
approach
offers
high
fidelity
and
precise
fabrication
complex
structures
mimicking
properties.
However,
transition
cell
mass
mixed
functional
native‐like
requires
post‐printing
cultivation
vitro.
An
often‐overlooked
drawback
is
nonuniform
shrinkage
deformation
printed
constructs
during
maturation
period,
to
highly
variable
engineered
unpredictable
size
shape.
limitation
poses
challenge
technology
meet
applicative
requirements.
A
novel
“print‐and‐grow,”
involving
subsequent
κ
‐Carrageenan‐based
microgels
(CarGrow)
days
presented.
CarGrow
enhances
long‐term
structural
stability
objects
providing
mechanical
support.
Moreover,
provides
possibility
live
imaging
monitor
maturation.
The
“print‐and‐grow”
method
demonstrates
accurate
viability
functionality
while
preserving
construct's
shape
size.
Bioengineering,
Journal Year:
2023,
Volume and Issue:
10(7), P. 857 - 857
Published: July 19, 2023
Stem
cells
hold
promise
in
regenerative
medicine
due
to
their
ability
proliferate
and
differentiate
into
various
cell
types.
However,
self-renewal
multipotency
also
raise
concerns
about
tumorigenicity
during
post-therapy.
Indeed,
multiple
studies
have
reported
the
presence
of
stem
cell-derived
tumors
animal
models
clinical
administrations.
Therefore,
assessment
is
crucial
evaluating
safety
therapeutic
products.
Ideally,
needs
be
performed
rapidly,
sensitively,
cost-effectively,
scalable.
This
article
reviews
approaches
for
assessing
tumorigenicity,
including
models,
soft
agar
culture,
PCR,
flow
cytometry,
microfluidics.
Each
method
has
its
advantages
limitations.
The
selection
assay
depends
on
specific
study
stage
development
product.
Combining
assays
may
provide
a
more
comprehensive
evaluation
tumorigenicity.
Future
developments
should
focus
optimization
standardization
microfluidics-based
methods,
as
well
integration
single
platform
efficient