Osteoarthritis and Cartilage Open,
Journal Year:
2025,
Volume and Issue:
7(2), P. 100599 - 100599
Published: March 12, 2025
Temporomandibular
joint
osteoarthritis
(TMJ-OA)
is
painful
and
causes
masticatory
dysfunction,
but
current
treatment
limited
to
symptom
relief
due
an
incomplete
appreciation
of
aetiology.
Herein,
we
develop
morphological
histological
methods
for
quantitative
evaluation
TMJ-OA
severity
examine
whether
STR/Ort
mice,
which
are
genetically
predisposed
spontaneous
knee
OA,
exhibit
protection
against
upon
genetic
gain-of-function
modification
aggrecanase-selective
mutant
tissue
inhibitor
metalloproteinase
(TIMP)-3.
We
established
changes
in
mandibular
condylar
head
adapted
from
human
criteria,
developed
verified
the
utility
damage
scoring
OARSI
system.
Mutant
TIMP3
containing
extra
alanine
at
N-Terminus
([-1A]
TIMP-3
was
overexpressed
CBA
mice.
Morphological
condyle
TMJ
cartilage
degradation
were
evaluated
quantified
using
micro-CT
histology
mice
aged
10,
20
40
weeks.
Whilst
no
evidence
observed
10
weeks,
bone
erosion
osteophyte
formation
appeared
by
with
remarkable
deformity
resorption
weeks
STR/Ort,
not
parental
strain.
less
severe
week-old
[-1A]TIMP-3
overexpressing
compared
wild-type
Using
our
new
mouse
system
have
found
that
OA
affects
joints
other
than
Genetic
(TIMP)-3
also
affords
vivo
chondroprotection
this
TMJ-OA.
Pharmaceutics,
Journal Year:
2024,
Volume and Issue:
16(5), P. 626 - 626
Published: May 7, 2024
In
this
study,
we
focused
on
innovative
approaches
to
improve
drug
administration
in
oral
pathology,
especially
by
transmucosal
and
transdermal
pathways.
These
improvements
refer
the
type
of
microneedles
used
(proposing
needles
saw),
use
certain
enhancers
such
as
essential
oils
(which,
besides
amplifier
action,
also
have
intrinsic
actions
health),
associations
active
substances
with
synergistic
well
copolymeric
membranes,
cemented
directly
tooth.
We
propose
a
review
principles
release
at
level
mucosa
main
systems
pathology.
Controlled
failure
applicable
pathology
include
following:
fast
dissolving
films,
mucoadhesive
tablets,
hydrogels,
intraoral
composite
wafers,
smart
drugs.
The
novelty
elements
brought
paper
possibilities
optimizing
localized
delivery
system
osteoarthritis
temporomandibular
joint,
neuropathic
pain,
cancer,
periodontitis,
pericoronitis,
maintaining
health.
would
like
mention
possibility
incorporating
natural
products
into
controlled
paying
special
attention
oils.
Bratislavské lekárske listy/Bratislava medical journal,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 3, 2025
Abstract
Background
Temporomandibular
disorder
(TMD)
affects
the
jaw
joint
and
muscles,
causing
pain,
movement
issues
symptoms
like
clicking
sounds.
More
common
in
women,
TMD
is
linked
to
factors
stress,
bruxism
posture.
It
often
coexists
with
headaches
neck
causes
being
a
mix
of
physical
psychological
factors.
Therefore,
we
decided
examine
Slovak
patients
better
understand
their
specific
experiences.
Methods
Patients
were
recruited
from
Department
Stomatology
Maxillofacial
Surgery
at
University
Hospital
Slovakia
2017
2024,
resulting
sample
380
patients.
Inclusion
criteria
required
adults
aged
18–90
symptoms,
such
as
pain
difficulties,
diagnosed
by
maxillofacial
surgeon.
completed
paper-based
questionnaires
on
background
information;
characteristics
symptoms;
medical
history,
prior
treatment.
Results
We
confirm
that
predominantly
female
(81.1%)
tends
be
chronic
condition,
58.6%
having
experienced
it
for
over
6
months.
A
significant
proportion
reported
moderate
severe
(42–26.4%)
nearly
half
(43.7%)
constant
pain.
Movement-triggered
was
(67.8%),
most
sound
phenomena
(96.9%)
difficulty
opening
mouth
(65.6%).
Stress
played
role,
43.7%
experiencing
higher
emotional
burden
32.4%
reporting
stress-related
worsening
symptoms.
Additionally,
46.3%
worked
sedentary
environments,
potentially
contributing
condition.
Conclusion
Most
experience
multidimensional
interplay
physical,
social
Molecular Medicine,
Journal Year:
2025,
Volume and Issue:
31(1)
Published: April 7, 2025
Abstract
Background
Temporomandibular
joint
osteoarthritis
(TMJ-OA)
is
a
disease
characterized
by
cartilage
degradation
and
synovial
inflammation,
with
limited
effective
treatment
currently.
Synovial
macrophage
polarization
pivotal
in
TMJ-OA
progression,
making
it
promising
therapeutic
aspect.
This
study
investigated
the
effects
of
S-propargyl-cysteine
(SPRC),
an
endogenous
H2S
donor,
on
its
potential
alleviating
TMJ-OA.
Methods
A
MIA-induced
rat
model
LPS-stimulated
RAW264.7
macrophages
were
employed
to
evaluate
SPRC
vivo
vitro.
TMJ
bone
analyzed
via
micro-CT
histological
methods,
while
markers
expression
assessed
RT-qPCR,
western
blot,
immunofluorescence.
RNA
sequencing
was
performed
macrophages,
JAK2/STAT3
signaling
pathway
validated
using
JAK2-specific
inhibitor
AG490.
The
direct
primary
condylar
chondrocytes
examined
evaluating
ECM
synthesis
degradation.
Co-culture
experiments
further
macrophage-chondrocyte
interactions.
Results
significantly
alleviated
damage
model,
as
demonstrated
improved
volume
structure.
reduced
pro-inflammatory
M1
infiltration
enhanced
anti-inflammatory
M2
polarization.
effectively
inhibited
JAK2/STAT3,
leading
reduction
inflammatory
markers,
including
TNF-α,
IL-6,
iNOS.
revealed
that
SPRC-treated
macrophage-conditioned
medium
chondrocyte
metabolic
activity
restored
integrity.
Conclusions
SPRC-modulated
alleviates
JAK/STAT
downregulation,
thereby
reducing
inflammation
These
findings
position
candidate
for
provide
insights
into
novel
strategies
targeting
synovium-cartilage
crosstalk.
Graphical
abstract
Biomedicines,
Journal Year:
2024,
Volume and Issue:
12(3), P. 542 - 542
Published: Feb. 28, 2024
Osteoarthritis
(OA)
of
the
temporomandibular
joint
(TMJ)
occurs
spontaneously
in
humans
and
various
animal
species,
including
horses.
In
humans,
obtaining
tissue
samples
is
challenging
clinical
symptoms
appear
late
disease
progression.
Therefore,
genetically
modified,
induced,
naturally
occurring
models
play
a
crucial
role
understanding
pathogenesis
evaluating
potential
therapeutic
interventions
for
TMJ
OA.
Among
models,
equine
OA
model
characterized
by
slow,
age-related
progression,
wide
range
examinations,
imaging
modalities
that
can
be
performed
on
horses,
as
well
easy
synovial
fluid
collection.
The
morphological
functional
similarities
structures
both
species
make
an
excellent
opportunity
to
track
progression
response
treatment.
However,
much
work
remains
carried
out
determine
utility
human
biomarkers
main
biomarkers,
IL-1,
IL-6,
TGF-β,
TNF-α,
PGE2
have
been
recently
investigated
model.
majority
cartilage
degradation,
chondrocyte
hypertrophy,
angiogenesis,
overload—as
any
signaling
pathways—have
not
studied
so
far.
it
would
advisable
focus
further
research
specimens,
considering
mediators
signaling.
Cell Proliferation,
Journal Year:
2023,
Volume and Issue:
56(12)
Published: June 13, 2023
Abstract
The
mechanism
of
the
balance
between
subchondral
angiogenesis
and
articular
damage
within
osteoarthritis
(OA)
progression
remains
a
mystery.
However,
lack
specific
drugs
leads
to
limited
clinical
treatment
options
for
OA,
frequently
failing
prevent
eventual
joint
destruction
in
patients.
Increasing
evidence
suggests
that
bone
precedes
cartilage
injury,
while
proliferating
endothelial
cells
(ECs)
induce
abnormal
formation.
Signal
transducer
activator
transcription
3
(Stat3)
is
triggered
by
multiple
cytokines
OA
microenvironment.
Here,
we
observed
elevated
Stat3
activation
H‐type
vessels.
Endothelial
will
lead
stronger
cell
proliferation,
migration
simulating
ECs
OA.
In
contrast,
either
inhibition
or
knockdown
expression
could
relieve
such
alterations.
More
interestingly,
blocking
alleviated
angiogenesis‐mediated
osteogenic
differentiation
chondrocyte
lesions.
inhibitor
reversed
surgically
induced
vessel
hyperplasia
vivo,
significantly
downregulating
volume
number.
Due
reduced
angiogenesis,
deterioration
loss
were
alleviated.
Overall,
our
data
suggest
an
essential
trigger
development.
Therefore,
targeted
blockade
novel
promising
therapeutic
regimen
British Journal of Oral and Maxillofacial Surgery,
Journal Year:
2024,
Volume and Issue:
62(9), P. 807 - 812
Published: July 20, 2024
IntroductionJoint
visco-supplementation
is
an
effective
therapeutic
approach
against
signs
and
symptoms
of
osteoarthrosic/arthritic
degeneration
mandibular
condyle.
Supplements
choice
are
usually
delivered
inside
TMJs
through
intra-articular
infiltrations.
The
present
study
aims
to
assess
the
clinical
effectiveness
peri-capsular
injections
polinucleotides
(PN)
hyaluronic
acid
(HA).Materials
methods60
patients
suffering
from
TMJ
osteoarthrosis
were
recruited
divided
in
2
groups
(test
group:
n=30,
injections;
control
self-delivered
physiotherapeutic
exercises).
For
each
patient,
maximum
opening,
right
left
lateral
excursion
VAS
recorded
at
4
different
timepoints
by
a
blinded
investigator.
Paired
Student's
t-test
was
used
compare
consecutive
measurements
parameters
evaluated
within
groups.
Unpaired
student's
for
between-group
comparisons.ResultsAll
investigated
displayed
progressive
improvement
both
groups,
which
more
accentuated
test
group.
decrease
score
differed
significantly
between
(p<0.0001);
opening
showed
continuous
increase
baseline
(37.70±8.33
mm)
T3
(39.68±7.64
mm),
reflecting
improvement,
but
it
not
statistically
significant
(P=0.089
respect
T0).ConclusionPN
HA
represent
minimally
invasive
treatment
option
reducing
pain
improving
kinematic.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(30), P. 39153 - 39164
Published: July 17, 2024
Temporomandibular
joint
osteoarthritis
(TMJ
OA)
is
characterized
by
the
degeneration
of
cartilage
and
subchondral
bone.
In
this
study,
we
observed
a
significant
increase
in
cell-free
DNA
(cfDNA)
levels
during
progression
TMJ
OA.
Bioinformatics
analysis
identified
TLR9
as
pivotal
molecule
OA
pathogenesis.
The
polyamidoamine
(PAMAM)
dendrimer
well-structured,
highly
branched,
reactive
nature,
exhibits
robust
binding
clearance
capabilities
for
cfDNA.
However,
abundant
amino
groups
on
surface
PAMAM
lead
to
its
inherent
toxicity.
To
mitigate
this,
PEG-5000
was
conjugated
dendrimers,
enhancing
safety.
Our
results
indicate
that
PEG-PAMAM
effectively
inhibits
upregulation
protein
OA,
significantly
suppressing
activation
p-IκBα/p-NF-κB
signaling
pathway
subsequently
decreasing
chondrocyte
inflammation
apoptosis,
evidenced
both
vivo
vitro
experiments.
We
conclude
safe
effective
material
applications,
offering
promising
therapeutic
strategy
targeting
cfDNA
clearance.