International Journal of Nanomedicine,
Journal Year:
2023,
Volume and Issue:
Volume 18, P. 7065 - 7077
Published: Nov. 1, 2023
Blood
vessels
distribute
cells,
oxygen,
and
nutrients
throughout
the
body
to
support
tissue
growth
balance.
Pericytes
endothelial
cells
form
inner
wall
of
blood
vessels,
crucial
for
organ
development
homeostasis
by
producing
paracrine
signaling
molecules.
In
skeletal
system,
pericyte-derived
vascular
factors
along
with
angiogenic
released
bone
regulate
angiogenesis
formation.
Although
involvement
in
is
relatively
clear,
role
pericytes
underlying
mechanisms
remain
unknown.
Here,
our
objective
was
elucidate
significance
regulating
osteoclast
differentiation.We
used
staining
detect
coverage
osteoclasts
femoral
tissues
osteoporotic
mice
different
ages,
analyzing
their
correlation.
We
developed
conditionally
deleted
pericytes,
observing
changes
mass
activity
using
micro-computer
tomography
regulatory
effect
on
osteoclasts.
Pericytes-derived
exosomes
(PC-EVs)
were
collected
co-cultured
monocytes
that
induce
differentiation
former
exosomes.
Finally,
specific
mechanism
PC-EVs
verified
RNA
sequencing
Western
blotting.Our
study
indicates
a
significant
correlation
between
age-related
resorption.
Conditional
deletion
activated
resorption
led
osteopenia
vivo.
discovered
inhibited
nuclear
factor
kappa-light-chain-enhancer
B
(NF-κB)
pathway,
which
mediated
tumor
necrosis
receptor-associated
3
(Traf3),
negatively
Silencing
Traf3
canceled
inhibitory
differentiation.Our
provides
novel
perspective
into
may
provide
potential
strategies
developing
anti-bone
therapies.
Signal Transduction and Targeted Therapy,
Journal Year:
2023,
Volume and Issue:
8(1)
Published: March 2, 2023
Abstract
Epigenetics
regulates
gene
expression
and
has
been
confirmed
to
play
a
critical
role
in
variety
of
metabolic
diseases,
such
as
diabetes,
obesity,
non-alcoholic
fatty
liver
disease
(NAFLD),
osteoporosis,
gout,
hyperthyroidism,
hypothyroidism
others.
The
term
‘epigenetics’
was
firstly
proposed
1942
with
the
development
technologies,
exploration
epigenetics
made
great
progresses.
There
are
four
main
epigenetic
mechanisms,
including
DNA
methylation,
histone
modification,
chromatin
remodelling,
noncoding
RNA
(ncRNA),
which
exert
different
effects
on
diseases.
Genetic
non-genetic
factors,
ageing,
diet,
exercise,
interact
jointly
affect
formation
phenotype.
Understanding
could
be
applied
diagnosing
treating
diseases
clinic,
biomarkers,
drugs,
editing.
In
this
review,
we
introduce
brief
history
well
milestone
events
since
proposal
‘epigenetics’.
Moreover,
summarise
research
methods
general
mechanisms
modulation.
Furthermore,
interaction
between
genetic
or
factors.
Finally,
clinical
trials
applications
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 16, 2024
Bioactive
glass
(BG)
is
a
class
of
biocompatible,
biodegradable,
multifunctional
inorganic
materials,
which
successfully
used
for
orthopedic
and
dental
applications,
with
several
products
already
approved
clinical
use.
Apart
from
exhibiting
osteogenic
properties,
BG
also
known
to
be
angiogenic
antibacterial.
Recently,
BG's
role
in
immunomodulation
has
been
gradually
revealed.
While
the
therapeutic
effect
mostly
reported
context
bone
skin-related
regeneration,
its
application
regenerating
other
tissues/organs,
such
as
muscle,
cartilage,
gastrointestinal
tissue,
explored
recently.
The
strategies
applying
have
expanded
powder
or
cement
form
more
advanced
fabrication
composite
polymer-BG
scaffold,
3D
printing
BG-loaded
BG-induced
extracellular
vesicle
production.
This
review
presents
concise
overview
recent
applications
regenerative
medicine.
Various
will
first
introduced.
Next,
various
bone,
tendon,
skin,
discussed.
Finally,
summarizing
tissue
regeneration
conclude,
outline
future
challenges
directions
translation
BG.
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
ACS Applied Materials & Interfaces,
Journal Year:
2023,
Volume and Issue:
15(24), P. 28891 - 28906
Published: June 12, 2023
Glucocorticoid-induced
osteonecrosis
of
the
femoral
head
(GC-ONFH)
is
a
serious
bone
disease
that
often
affects
young
individuals.
Bone
grafting
combined
with
core
decompression
mainly
used
in
clinic
to
treat
GC-ONFH.
However,
outcome
usually
not
satisfactory,
as
expected.
Here,
we
report
an
engineered
exosome-functionalized
extracellular
matrix-mimicking
hydrogel
for
promoting
repair
Compared
Con-Exo,
exosomes
secreted
by
marrow
stem
cells
(BMSCs)
conventional
culture
medium,
Li-Exo,
derived
from
stimulated
lithium
ions,
promoted
macrophage
M2
polarization
while
inhibiting
M1
polarization.
Furthermore,
inspired
fact
hydrogels
can
serve
desirable
carriers
facilitate
their
release
sustained
manner
improved
therapeutic
efficiency
and
vivo
application,
matrix
(ECM)-mimicking
(Lightgel)
composed
methacryloylated
type
I
collagen
was
employed
incorporate
Li-Exo/Con-Exo
construct
Lightgel-Li-Exo
hydrogel/Lightgel-Con-Exo
hydrogel.
In
vitro
studies
showed
had
most
significant
pro-osteogenic
pro-angiogenic
activity.
Finally,
evaluated
effects
rat
models
As
result,
effect
on
enhancing
polarization,
osteogenesis,
angiogenesis
promote
Taken
together,
this
novel
ECM-mimicking
could
be
promising
strategy
treatment.
Journal of Clinical Medicine,
Journal Year:
2023,
Volume and Issue:
12(13), P. 4385 - 4385
Published: June 29, 2023
Bone
metabolism
is
regulated
by
osteoblasts,
osteoclasts,
osteocytes,
and
stem
cells.
Pathologies
such
as
osteoporosis,
osteoarthritis,
osteonecrosis,
traumatic
fractures
require
effective
treatments
that
favor
bone
formation
regeneration.
Among
these,
cell
therapy
based
on
mesenchymal
cells
(MSC)
has
been
proposed.
MSC
are
osteoprogenitors,
but
their
regenerative
activity
depends
in
part
paracrine
properties.
These
mainly
mediated
extracellular
vesicle
(EV)
secretion.
EV
modulates
processes
inflammation,
angiogenesis,
proliferation,
migration,
differentiation.
Thus,
MSC-EV
currently
an
important
tool
for
the
development
of
cell-free
therapies
medicine.
This
review
describes
current
knowledge
effects
different
phases
used
intravenous
injection,
directly
or
combination
with
types
biomaterials,
preclinical
models
diseases.
They
have
shown
great
clinical
potential
medicine
applied
to
bone.
findings
should
be
confirmed
through
standardization
protocols,
a
better
understanding
mechanisms
action,
appropriate
trials.
All
will
allow
translation
human
clinic
applications.
Biomaterials Research,
Journal Year:
2023,
Volume and Issue:
27(1)
Published: Feb. 9, 2023
Osteoporosis
is
a
pathological
condition
characterized
by
an
accelerated
bone
resorption
rate,
resulting
in
decreased
density
and
increased
susceptibility
to
fractures,
particularly
among
the
elderly
population.
While
conventional
treatments
for
osteoporosis
have
shown
efficacy,
they
are
associated
with
certain
limitations,
including
limited
drug
bioavailability,
non-specific
administration,
occurrence
of
adverse
effects.
In
recent
years,
nanoparticle-based
delivery
systems
emerged
as
promising
approach
managing
osteoporosis.
Nanoparticles
possess
unique
physicochemical
properties,
such
small
size,
large
surface
area-to-volume
ratio,
tunable
characteristics,
which
enable
them
overcome
limitations
therapies.
These
nanoparticles
offer
several
advantages,
enhanced
stability,
controlled
release
kinetics,
targeted
tissue
delivery,
improved
bioavailability.
This
comprehensive
review
aims
provide
insights
into
advancements
therapy
It
elucidates
various
types
employed
this
context,
silica,
polymeric,
solid
lipid,
metallic
nanoparticles,
along
their
specific
processing
techniques
inherent
properties
that
render
suitable
potential
carriers
treatment.
Furthermore,
discusses
challenges
future
suggestions
development
translation
nanoparticle
clinical
use.
encompass
issues
scalability,
safety
assessment,
regulatory
considerations.
However,
despite
these
challenges,
utilization
holds
immense
promise
revolutionizing
field
management
enabling
more
effective
therapies,
ultimately
leading
patient
outcomes.
Cell Death and Disease,
Journal Year:
2024,
Volume and Issue:
15(2)
Published: Feb. 8, 2024
Abstract
As
societal
aging
intensifies,
the
incidence
of
osteoporosis
(OP)
continually
rises.
OP
is
a
skeletal
disorder
characterized
by
reduced
bone
mass,
deteriorated
tissue
microstructure,
and
consequently
increased
fragility
fracture
susceptibility,
typically
evaluated
using
mineral
density
(BMD)
T-score.
Not
only
does
diminish
patients’
quality
life,
but
it
also
imposes
substantial
economic
burden
on
society.
Conventional
pharmacological
treatments
yield
limited
efficacy
severe
adverse
reactions.
In
contemporary
academic
discourse,
mesenchymal
stem
cells
(MSCs)
derived
extracellular
vesicles
(EVs)
have
surfaced
as
auspicious
novel
therapeutic
modalities
for
OP.
EVs
can
convey
information
through
cargo
they
carry
been
demonstrated
to
be
crucial
medium
intercellular
communication,
playing
significant
role
in
maintaining
homeostasis
microenvironment.
Furthermore,
various
research
findings
provide
evidence
that
engineered
strategies
enhance
effects
treatment.
While
numerous
reviews
explored
progress
potential
treating
degenerative
diseases,
address
remains
early
stages
basic
experimentation.
This
paper
advancements
utilizing
MSCs
their
It
systematically
examines
most
extensively
researched
MSC-derived
OP,
delving
not
into
molecular
mechanisms
EV-based
therapy
conducting
comparative
analysis
strengths
limitations
sourced
from
cell
origins.
Additionally,
emphasizes
technical
engineering
necessary
leveraging
treatment,
offering
insights
recommendations
future
endeavors.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: March 16, 2024
Nanotechnology-based
approaches
are
promising
for
the
treatment
of
musculoskeletal
(MSK)
disorders,
which
present
significant
clinical
burdens
and
challenges,
but
their
translation
requires
a
deep
understanding
complex
interplay
between
nanotechnology
MSK
biology.
Organ-on-a-chip
(OoC)
systems
have
emerged
as
an
innovative
versatile
microphysiological
platform
to
replicate
dynamics
tissue
microenvironment
studying
nanotechnology-biology
interactions.
This
review
first
covers
recent
advances
applications
OoCs
ability
mimic
biophysical
biochemical
stimuli
encountered
by
tissues.
Next,
integrating
into
OoCs,
cellular
responses
behaviors
may
be
investigated
precisely
controlling
manipulating
nanoscale
environment.
Analysis
disease
mechanisms,
particularly
bone,
joint,
muscle
degeneration,
drug
screening
development
personalized
medicine
greatly
facilitated
using
OoCs.
Finally,
future
challenges
directions
outlined
field,
including
advanced
sensing
technologies,
integration
immune-active
components,
enhancement
biomimetic
functionality.
By
highlighting
emerging
this
aims
advance
intricate
nanotechnology-MSK
biology
interface
its
significance
in
management,
therapeutic
interventional
strategies.