Research Square (Research Square),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Nov. 20, 2023
Abstract
Background
Osteoarthritis
(OA),
the
most
common
type
of
arthritis,
is
a
highly
prevalent
age-related
joint
disease
particularly
in
subjects
over
65
years
old.
The
chronic
rise
senescent
cells
closely
correlates
with
diseases
including
OA,
and
senescence-associated
secretory
phenotype
(SASP)
implicated
pathogenesis
OA
cartilage
degeneration.
Sirtuin
6
(SIRT6)
probable
to
be
key
senescence-related
regulator.
Fisetin
(FST),
natural
flavonol
flavonoid
family,
recommended
senolytic
that
extends
health
lifespan.
However,
potential
chondroprotective
effects
FST
on
rats
remain
largely
unclarified.
This
study
aimed
investigate
ameliorative
relationship
SIRT6,
detailed
mechanisms
from
both
anti-inflammatory
anti-senescent
perspectives.
Methods
Rats
were
subjected
destabilization
medial
meniscus
(DMM)
surgery
induce
experimental
model
vivo.
Chondrocytes
treated
IL-1β
utilized
mimic
cell
vitro.
Intra-articular
injection
FST,
OSS_128167
(OSS,
SIRT6
inhibitor),
MDL800
(MDL,
agonist)
vivo
or
incubation
IL-1β-induced
rat
chondrocytes
vitro
performed
determine
link
SIRT6.
Results
level
was
negatively
correlated
severity.
downregulation
validated
cartilages
DMM
IL-1β-treated
chondrocytes.
Of
note,
We
demonstrated
could
activate
Both
administration
activation
using
MDL
rescued
erosion,
decreased
extracellular
matrix
(ECM)
degradation,
prevented
apoptosis,
improved
detrimental
phenotype.
alleviative
against
inflammation,
ECM
senescence
also
confirmed
IL-1β-stimulated
Conclusion
loss
occurs
articular
which
linked
aging.
attenuates
injury-induced
aging-related
changes
by
targeting
Journal of Orthopaedic Translation,
Journal Year:
2025,
Volume and Issue:
50, P. 388 - 402
Published: Jan. 1, 2025
Meniscal
injury
is
a
prevalent
orthopedic
practice
that
causes
articular
cartilage
wear
and
degeneration
due
to
tissue
damage
or
loss,
may
eventually
result
in
the
occurrence
of
knee
osteoarthritis
(KOA).
Hence,
investigating
structural
regeneration
mechanical
function
restoration
meniscus
after
pivotal
research
topic
for
preventing
KOA.
Animal
models
are
essential
therapeutic
strategies
meniscal
injuries
their
clinical
translation,
yet
no
current
model
can
fully
recapitulate
complexity
human
injuries.
This
review
aims
categorize
animal
by
establishment
methods,
elucidate
principles
procedures,
discuss
suitability
limitations
each
model.
We
delineate
pros
cons
different
simulating
pathology
biomechanics
injury.
also
analyze
species
regarding
structure,
function,
repair
potential,
implications
selection.
conclude
selecting
an
appropriate
requires
comprehensive
consideration
various
factors,
such
as
aims,
anticipated
outcomes,
feasibility.
Furthermore,
translate
novel
approaches
applications
more
safely
effectively,
future
development
should
emphasize
aspects
choosing
animals
suitable
age.
The
Translational
Potential
this
Article:
methods
provides
overview
routinely
employed
experimental
facilitate
translation
OA-related
research.
Cell Proliferation,
Journal Year:
2024,
Volume and Issue:
57(6)
Published: Jan. 10, 2024
Abstract
Osteoarthritis
(OA)
is
the
most
prevalent
disorder
of
synovial
joint
affecting
multiple
joints.
In
past
decade,
we
have
witnessed
conceptual
switch
OA
pathogenesis
from
a
‘wear
and
tear’
disease
to
entire
joint.
Extensive
studies
been
conducted
understand
underlying
mechanisms
using
genetic
mouse
models
ex
vivo
tissues
derived
individuals
with
OA.
These
revealed
that
signalling
pathways
are
involved
in
development,
including
canonical
Wnt/β‐catenin
its
interaction
other
pathways,
such
as
transforming
growth
factor
β
(TGF‐β),
bone
morphogenic
protein
(BMP),
Indian
Hedgehog
(Ihh),
nuclear
κB
(NF‐κB),
fibroblast
(FGF),
Notch.
The
identification
currently
underway
specific
molecule(s)
key
pathway(s)
playing
decisive
role
development
need
be
evaluated.
This
review
will
focus
on
recent
progresses
understanding
critical
β‐catenin
TGF‐β,
BMP,
Notch,
Ihh,
NF‐κB,
FGF.
Understanding
these
novel
insights
into
integration
complex
gene
regulatory
network
during
help
us
identify
pathway
leading
discovery
therapeutic
strategies
for
intervention.
Journal of Inflammation Research,
Journal Year:
2024,
Volume and Issue:
Volume 17, P. 6619 - 6633
Published: Sept. 1, 2024
Osteoarthritis
(OA)
is
a
chronic
degenerative
joint
disease
characterized
by
the
degradation
of
cartilage,
subchondral
bone
sclerosis,
synovitis,
and
structural
changes
in
joint.
Recent
research
has
highlighted
role
various
genes
pathogenesis
progression
OA,
with
nuclear
factor
erythroid
2-related
2
(NRF2)
emerging
as
critical
player.
NRF2,
vital
transcription
factor,
plays
key
regulating
OA
microenvironment
slowing
disease's
progression.
It
modulates
expression
several
antioxidant
enzymes,
such
Heme
oxygenase-1
(HO-1)
NAD(P)H
oxidoreductase
1
(NQO1),
among
others,
which
help
reduce
oxidative
stress.
Furthermore,
NRF2
inhibits
kappa-B
(NF-κB)
signaling
pathway,
thereby
decreasing
inflammation,
pain,
breakdown
cartilage
extracellular
matrix,
while
also
mitigating
cell
aging
death.
This
review
discusses
NRF2's
impact
on
stress,
aging,
death
modes
(such
apoptosis,
necroptosis,
ferroptosis)
OA-affected
chondrocytes.
The
macrophages,
synovial
fibroblasts
was
discussed.
covers
preserving
matrix
alleviating
pain.
purpose
this
to
provide
comprehensive
understanding
protective
mechanisms
highlighting
its
potential
therapeutic
target
underscoring
significance
development
novel
treatment
strategies
for
OA.
Journal of physiological investigation.,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 31, 2025
MicroRNAs
have
been
extensively
implicated
in
osteoarthritis
(OA)
progression.
Our
study
aims
to
investigate
the
impact
of
miR-455-5p
on
OA
progression
and
related
molecular
mechanisms.
Cartilage
tissues
were
collected
from
patients
with
femoral
neck
fractures.
An
vitro
model
was
established
by
inducing
injury
human
chondrocytes
(CHON-001)
interleukin
(IL)-1
β.
Cell
viability
apoptosis
measured
cell
counting
kit-8
flow
cytometry
assays,
respectively.
enzyme-linked
immunosorbent
assay
performed
measure
concentrations
inflammation
factors,
oxidative
stress
evaluated
detecting
superoxide
dismutase
activity
malondialdehyde
levels.
TargetScan
used
predict
binding
sites
between
tumor
necrosis
factor
(TNF)-α-induced
protein
8
(TNFAIP8),
which
then
confirmed
dual-luciferase
reporter
assays.
Quantitative
real-time
polymerase
chain
reaction
western
blot
analysis
employed
markers.
initial
observations
showed
that
expression
downregulated
cartilage
IL-1
β-treated
CHON-001
cells
compared
normal
untreated
cells.
Overexpression
significantly
protected
β-induced
recovering
viability,
inhibiting
inflammation,
apoptosis,
stress.
TNFAIP8
targeted
negatively
regulated
miR-455-5p.
knockdown
imitated,
while
overexpression
reversed
effects
mediated
chondrocyte
injury,
as
further
levels
iNOS,
cleaved
caspase-3,
NQO1,
Col2a1,
MMP13.
Collectively,
these
results
suggest
may
serve
a
new
therapeutic
target
for
targeting
alleviate
injury.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Aug. 27, 2024
Osteoarthritis
(OA)
is
a
common
joint
disease
associated
with
the
aging
of
population,
and
it
reduces
quality
life
patients.
It
characterized
by
destruction
articular
cartilage
secretion
inflammatory
cytokines.
Owing
to
unclear
pathogenesis
OA,
current
treatment
methods
have
significant
limitations.
Oxidative
stress
has
been
revealed
play
an
important
role
in
development
OA.
Our
experiments
indicated
that
levels
GSH
decreased
level
MDA
increased
chondrocytes,
which
induced
ferroptosis
chondrocytes
We
also
was
main
mechanism
caused
addition
activator
erastin
inhibitor
ferrostatin-1.
NOX1
modulator
oxidative
increasing
generation
reactive
species
(ROS).
suppressed
expression
through
cell
transfection.
The
collagen
II
MMP13,
IL-1β
TNF-α
were
reversed.
An
increase
mitochondrial
membrane
potential
decrease
intracellular
ROS
indicate
improvement
damage.
Additionally,
we
determined
effect
Nrf2/HO-1
pathway
on
NOX1-mediated
chondrocyte
injury.
found
inhibited
Nrf2/HO-1,
but
activation
Nrf2
improved
damage
vivo
vitro.
This
study
induces
inhibiting
pathway.
findings
contribute
revealing
providing
targets
for
drug
design
optimizing
clinical
Biomedicines,
Journal Year:
2023,
Volume and Issue:
11(12), P. 3176 - 3176
Published: Nov. 29, 2023
Osteoarthritis
(OA)
is
a
chronic
degenerative
disease
and
the
primary
pathogenic
consequence
of
OA
inflammation,
which
can
affect
variety
tissues
including
synovial
membrane,
articular
cartilage,
subchondral
bone.
The
development
intra-articular
microenvironment
be
significantly
influenced
by
shift
macrophages
between
pro-inflammatory
anti-inflammatory
phenotypes.
By
regulating
macrophage
inflammatory
responses,
NF-κB
signaling
route
essential
in
therapy
OA;
whereas,
nuclear
factor
erythroid
2-related
2
(Nrf2)
pathway
appears
to
manage
relationship
oxidative
stress
inflammation.
Additionally,
it
has
been
demonstrated
that
under
there
significant
interaction
transcriptional
pathways
involving
Nrf2
NF-κB.
Studying
how
affects
inflammation
cellular
metabolism
may
help
us
understand
treat
reprogramming
behavior
because
thought
metabolism.
candidates
for
treating
promoting
an
mechanism
activating
are
also
reviewed
this
paper.