Phytotherapy Research,
Journal Year:
2024,
Volume and Issue:
38(4), P. 1990 - 2006
Published: Feb. 19, 2024
Abstract
Osteoarthritis
(OA)
is
characterized
by
an
imbalance
between
M1
and
M2
polarized
synovial
macrophages.
Quercetin
has
shown
protective
effects
against
OA
altering
M1/M2‐polarized
macrophages,
but
the
underlying
mechanisms
remain
unclear.
In
this
study,
rat
chondrocytes
were
treated
with
10
ng/mL
of
IL‐1β.
To
create
M1‐polarized
macrophages
in
vitro,
bone
marrow‐derived
(rBMDMs)
100
LPS.
mimic
conditions
observed
vivo,
a
co‐culture
system
was
established.
ATP
release
assays,
immunofluorescence
Fluo‐4
AM
staining,
Transwell
ELISA
flow
cytometry
performed.
Male
adult
Sprague–Dawley
(SD)
rats
used
to
model.
Histological
analyses,
including
H&E,
safranin
O‐fast
green
staining
Our
data
showed
quercetin‐mediated
suppression
calcium
ion
influx
release,
concurrent
downregulation
TRPV1
P2X7
Activation
abolished
on
system,
overexpression
attenuated
polarization,
migration,
inflammation.
Either
or
NLRP3
knockdown
IL‐1β‐induced
M1/M2
Moreover,
reduced
suppressive
promoting
vivo.
Collectively,
our
that
quercetin‐induced
leads
delay
progression
shifting
macrophage
polarization
from
subtypes
via
modulation
P2X7/NLRP3
pathway.
Abstract
During
aging
and
after
traumatic
injuries,
cartilage
bone
cells
are
exposed
to
various
pathophysiologic
mediators,
including
reactive
oxygen
species
(ROS),
damage-associated
molecular
patterns,
proinflammatory
cytokines.
This
detrimental
environment
triggers
cellular
stress
subsequent
dysfunction,
which
not
only
contributes
the
development
of
associated
diseases,
that
is,
osteoporosis
osteoarthritis,
but
also
impairs
regenerative
processes.
To
counter
ROS-mediated
reduce
overall
tissue
damage,
possess
diverse
defense
mechanisms.
However,
antioxidative
capacities
limited
thus
ROS
accumulation
can
lead
aberrant
cell
fate
decisions,
have
adverse
effects
on
homeostasis.
In
this
narrative
review,
we
address
oxidative
as
a
major
driver
processes
in
bone,
senescence,
misdirected
differentiation,
death,
mitochondrial
impaired
mitophagy
by
illustrating
consequences
homeostasis
regeneration.
Moreover,
elaborate
mechanisms,
with
particular
focus
response
mitophagy,
briefly
discuss
respective
therapeutic
strategies
improve
protection.
Cell Death Discovery,
Journal Year:
2023,
Volume and Issue:
9(1)
Published: Aug. 29, 2023
Abstract
Osteoarthritis
(OA)
is
a
multifactorial
and
increasingly
prevalent
degenerative
disease
that
affects
the
whole
joint.
The
pathogenesis
of
OA
poorly
understood
there
lack
therapeutic
interventions
to
reverse
pathological
process
this
disease.
Accumulating
studies
have
shown
overproduction
reactive
oxygen
species
(ROS)
ROS-induced
lipid
peroxidation
are
involved
in
OA.
4-Hydroxy-2-nonenal
(4-HNE)
malondialdehyde
(MDA)
received
considerable
attention
for
their
role
cartilage
degeneration
subchondral
bone
remodeling
during
development.
Ferroptosis
form
cell
death
characterized
by
control
membrane
recent
suggested
chondrocyte
ferroptosis
contributes
progression.
In
review,
we
aim
discuss
peroxidation-derived
4-HNE
MDA
progression
addition,
potential
controlling
accumulation
inhibiting
discussed.
Molecular Biomedicine,
Journal Year:
2023,
Volume and Issue:
4(1)
Published: Oct. 16, 2023
Abstract
Ferroptosis,
a
regulated
form
of
cellular
death
characterized
by
the
iron-mediated
accumulation
lipid
peroxides,
provides
novel
avenue
for
delving
into
intersection
metabolism,
oxidative
stress,
and
disease
pathology.
We
have
witnessed
mounting
fascination
with
ferroptosis,
attributed
to
its
pivotal
roles
across
diverse
physiological
pathological
conditions
including
developmental
processes,
metabolic
dynamics,
oncogenic
pathways,
neurodegenerative
cascades,
traumatic
tissue
injuries.
By
unraveling
intricate
underpinnings
molecular
machinery,
contributors,
signaling
conduits,
regulatory
networks
governing
researchers
aim
bridge
gap
between
intricacies
this
unique
mode
multifaceted
implications
health
disease.
In
light
rapidly
advancing
landscape
ferroptosis
research,
we
present
comprehensive
review
aiming
at
extensive
in
origins
progress
human
diseases.
This
concludes
careful
analysis
potential
treatment
approaches
carefully
designed
either
inhibit
or
promote
ferroptosis.
Additionally,
succinctly
summarized
therapeutic
targets
compounds
that
hold
promise
targeting
within
various
facet
underscores
burgeoning
possibilities
manipulating
as
strategy.
summary,
enriched
insights
both
investigators
practitioners,
while
fostering
an
elevated
comprehension
latent
translational
utilities.
revealing
basic
processes
investigating
possibilities,
crucial
resource
scientists
medical
aiding
deep
understanding
effects
situations.
Signal Transduction and Targeted Therapy,
Journal Year:
2024,
Volume and Issue:
9(1)
Published: Oct. 14, 2024
Iron,
an
essential
mineral
in
the
body,
is
involved
numerous
physiological
processes,
making
maintenance
of
iron
homeostasis
crucial
for
overall
health.
Both
overload
and
deficiency
can
cause
various
disorders
human
diseases.
Ferroptosis,
a
form
cell
death
dependent
on
iron,
characterized
by
extensive
peroxidation
lipids.
Unlike
other
kinds
classical
unprogrammed
death,
ferroptosis
primarily
linked
to
disruptions
metabolism,
lipid
peroxidation,
antioxidant
system
imbalance.
Ferroptosis
regulated
through
transcription,
translation,
post-translational
modifications,
which
affect
cellular
sensitivity
ferroptosis.
Over
past
decade
or
so,
diseases
have
been
as
part
their
etiology,
including
cancers,
metabolic
disorders,
autoimmune
diseases,
central
nervous
cardiovascular
musculoskeletal
Ferroptosis-related
proteins
become
attractive
targets
many
major
that
are
currently
incurable,
some
regulators
shown
therapeutic
effects
clinical
trials
although
further
validation
potential
needed.
Therefore,
in-depth
analysis
its
molecular
mechanisms
may
offer
additional
strategies
prevention
treatment.
In
this
review,
we
discuss
significance
contribution
etiology
development
along
with
evidence
supporting
targeting
approach.
Importantly,
evaluate
recent
promising
interventions,
providing
guidance
future
targeted
treatment
therapies
against
Advanced Science,
Journal Year:
2023,
Volume and Issue:
10(10)
Published: Jan. 22, 2023
Mitochondrial
homeostasis
is
of
great
importance
for
cartilage
integrity
and
associated
with
the
progression
osteoarthritis
(OA);
however,
underlying
mechanisms
are
unknown.
This
study
aims
to
investigate
role
mitochondrial
deacetylation
reaction
mechanistic
relationship
OA
development.
Silent
mating
type
information
regulation
2
homolog
3
(SIRT3)
expression
has
a
negative
correlation
severity
in
both
human
arthritic
mice
inflammatory
chondrocytes.
Global
SIRT3
deletion
accelerates
pathological
phenotype
post-traumatic
mice,
as
evidenced
by
extracellular
matrix
collapse,
osteophyte
formation,
synovial
macrophage
M1
polarization.
Mechanistically,
prevents
targeting
deacetylating
cytochrome
c
oxidase
subunit
4
isoform
(COX4I2)
maintain
at
post-translational
level.
The
activation
honokiol
restores
metabolic
equilibrium
protects
from
development
OA.
Collectively,
loss
essential
OA,
whereas
SIRT3-mediated
proteins
COX4I2
rescues
OA-impaired
respiratory
chain
functions
improve
phenotype.
Herein,
induction
provides
novel
therapeutic
candidate
treatment.
Transient
receptor
potential
vanilloid
family
member
1
(TRPV1)
has
been
revealed
as
a
therapeutic
target
of
osteoarthritis
(OA),
the
most
common
deteriorating
whole
joint
disease,
by
impeding
macrophagic
inflammation
and
chondrocytes
ferroptosis.
However,
clinical
application
for
capsaicin
TRPV1
agonist
is
largely
limited
its
chronic
toxicity.
To
address
this
issue,
we
developed
bifunctional
controllable
magnetothermal
switch
targeting
alleviation
OA
progression
coupling
magnetic
nanoparticles
(MNPs)
to
monoclonal
antibodies
(MNPs-TRPV1).
Under
alternating
field
(AMF)
stimulation,
MNPs-TRPV1
locally
dissipated
heat,
which
was
sufficient
trigger
opening
activation
TRPV1,
effectively
impeded
chondrocyte
This
modulation
simultaneously
attenuated
synovitis
cartilage
degeneration
in
mice
incurred
destabilization
medial
meniscus
surgery,
indicating
delayed
progression.
Furthermore,
with
AMF
exposure
remarkably
reduced
knee
pain
sensitivity,
alleviated
crippled
gait,
improved
spontaneous
ambulatory
activity
performance
model.
Overall,
work
provides
pathogenesis-based
precise
therapy
temporally
spatially
manner.
Bone Research,
Journal Year:
2023,
Volume and Issue:
11(1)
Published: Feb. 24, 2023
Although
previous
RNA
sequencing
methods
have
been
widely
used
in
orthopedic
research
and
provided
ideas
for
therapeutic
strategies,
the
specific
mechanisms
of
some
disorders,
including
osteoarthritis,
lumbar
disc
herniation,
rheumatoid
arthritis,
fractures,
tendon
injuries,
spinal
cord
injury,
heterotopic
ossification,
osteosarcoma,
require
further
elucidation.
The
emergence
single-cell
(scRNA-seq)
technique
has
introduced
a
new
era
on
these
topics,
as
this
method
provides
information
regarding
cellular
heterogeneity,
cell
subtypes,
functions
novel
subclusters,
potential
molecular
mechanisms,
cell-fate
transitions,
cell‒cell
interactions
that
are
involved
development
diseases.
Here,
we
summarize
subpopulations,
genes,
underlying
diseases
identified
by
scRNA-seq,
improving
our
understanding
pathology
providing
insights
into
approaches.
Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: Aug. 28, 2023
Osteoarthritis
is
a
prevalent
age-related
disease
characterized
by
dysregulation
of
extracellular
matrix
metabolism,
lipid
and
upregulation
senescence-associated
secretory
phenotypes.
Herein,
we
clarify
that
CircRREB1
highly
expressed
in
secondary
generation
chondrocytes
its
deficiency
can
alleviate
FASN
related
senescent
phenotypes
osteoarthritis
progression.
impedes
proteasome-mediated
degradation
inhibiting
acetylation-mediated
ubiquitination.
Meanwhile,
induces
RanBP2-mediated
SUMOylation
enhances
protein
stability.
CircRREB1-FASN
axis
inhibits
FGF18
FGFR3
mediated
PI3K-AKT
signal
transduction,
then
increased
p21
expression.
Intra-articular
injection
adenovirus-CircRreb1
reverses
the
protective
effects
CircRreb1
mice.
Further
therapeutic
interventions
could
have
beneficial
identifying
as
potential
prognostic
target
for
OA.
Advanced Science,
Journal Year:
2024,
Volume and Issue:
11(16)
Published: Feb. 15, 2024
Osteoarthritis
(OA)
is
the
most
common
degenerative
joint
disease
worldwide,
with
main
pathological
manifestation
of
articular
cartilage
degeneration.
It
have
been
investigated
that
pharmacological
activation
transient
receptor
potential
vanilloid
1
(TRPV1)
significantly
alleviated
degeneration
by
abolishing
chondrocyte
ferroptosis.
In
this
work,
in
view
thermal
activated
feature
TRPV1,
Citrate-stabilized
gold
nanorods
(Cit-AuNRs)
conjugated
to
TRPV1
monoclonal
antibody
(Cit-AuNRs@Anti-TRPV1)
as
a
photothermal
switch
for
chondrocytes
under
near
infrared
(NIR)
irradiation.
The
conjugation
barely
affect
morphology
and
physicochemical
properties
Cit-AuNRs.
Under
NIR
irradiation,
Cit-AuNRs@Anti-TRPV1
exhibited
good
biocompatibility
flexible
responsiveness.
Intra-articular
injection
followed
irradiation
attenuated
degradation
suppressing
osteophyte
formation
subchondral
bone
sclerosis
are
remarkably
NIR-inspired
Cit-AuNRs@Anti-TRPV1.
Furthermore,
evidently
improved
physical
activities
pain
destabilization
medial
meniscus
(DMM)-induced
OA
mice.
study
reveals
protects
from
ferroptosis
attenuates
progression,
providing
therapeutic
strategy
treatment
OA.
Phytomedicine,
Journal Year:
2024,
Volume and Issue:
130, P. 155738 - 155738
Published: June 1, 2024
Respiratory
diseases
pose
a
grave
threat
to
human
life.
Therefore,
understanding
their
pathogenesis
and
therapeutic
strategy
is
important.
Ferroptosis
novel
type
of
iron-dependent
programmed
cell
death,
distinct
from
apoptosis,
necroptosis,
autophagy,
characterised
by
iron,
reactive
oxygen
species,
lipid
peroxide
accumulation,
as
well
glutathione
(GSH)
depletion
GSH
peroxidase
4
(GPX4)
inactivation.
A
close
association
between
ferroptosis
the
onset
progression
respiratory
diseases,
including
chronic
obstructive
pulmonary
disease,
acute
lung
injury,
bronchial
asthma,
fibrosis,
cancer,
has
been
reported.
Recent
studies
have
shown
that
traditional
Chinese
medicine
(TCM)
compounds
exhibit
unique
advantages
in
treatment
owing
natural
properties
potential
efficacy.
These
can
effectively
regulate
modulating
several
key
signalling
pathways
such
system
Xc