Matrix Metalloproteinases in the Periodontium—Vital in Tissue Turnover and Unfortunate in Periodontitis
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(5), P. 2763 - 2763
Published: Feb. 27, 2024
The
extracellular
matrix
(ECM)
is
a
complex
non-cellular
three-dimensional
macromolecular
network
present
within
all
tissues
and
organs,
forming
the
foundation
on
which
cells
sit,
composed
of
proteins
(such
as
collagen),
glycosaminoglycans,
proteoglycans,
minerals,
water.
ECM
provides
fundamental
framework
for
cellular
constituents
tissue
biochemical
support
to
surrounding
cells.
highly
dynamic
structure
that
constantly
being
remodeled.
Matrix
metalloproteinases
(MMPs)
are
among
most
important
proteolytic
enzymes
capable
degrading
molecules.
MMPs
play
relevant
role
in
physiological
well
pathological
processes;
participate
embryogenesis,
morphogenesis,
wound
healing,
remodeling,
therefore,
their
impaired
activity
may
result
several
problems.
MMP
also
associated
with
chronic
inflammation,
breakdown,
fibrosis,
cancer
invasion
metastasis.
periodontium
unique
anatomical
site,
variety
connective
tissues,
created
by
ECM.
During
periodontitis,
inflammation
affecting
periodontium,
increased
presence
observed,
resulting
irreversible
losses
periodontal
tissues.
expression
be
controlled
various
ways,
one
inhibition
an
endogenous
group
inhibitors
(TIMPs),
reversion-inducing
cysteine-rich
protein
Kazal
motifs
(RECK).
Language: Английский
Effects of mechanical loading on matrix homeostasis and differentiation potential of periodontal ligament cells: A scoping review
Journal of Periodontal Research,
Journal Year:
2024,
Volume and Issue:
59(5), P. 877 - 906
Published: May 12, 2024
Various
mechanical
loadings,
including
stress,
orthodontics
forces,
and
masticatory
force,
affect
the
functions
of
periodontal
ligament
cells.
Regulation
tissue
destruction,
formation,
differentiation
are
crucial
processes
for
regeneration
therapy.
Numerous
studies
have
reported
that
different
types
loading
play
a
role
in
maintaining
matrix
homeostasis,
osteogenic
This
scoping
review
aims
to
evaluate
regarding
effects
various
loadings
on
secretion
extracellular
(ECM)
components,
regulation
balance
between
formation
destruction
matrix,
differentiation,
multiple
ligament.
An
electronic
search
this
has
been
conducted
two
databases;
MEDLINE
via
PubMed
SCOPUS.
Study
selection
criteria
included
original
research
written
English
homeostasis
potential
The
final
204
articles
were
mainly
present
review.
Mechanical
forces
appropriate
magnitude,
duration,
pattern
positive
influence
ECM
components
such
as
collagen,
well
regulate
metalloproteinases
inhibitors
metalloproteinases.
Additionally,
these
osteoblastic
osteoclast
differentiation.
Conversely,
incorrect
can
lead
abnormal
both
soft
hard
tissue.
provides
additional
insight
into
how
impact
cells
(PDLCs),
thus
making
it
valuable
regenerative
treatment.
In
combination
with
advancing
technologies,
utilization
application
aspects
PDLCs
could
bring
benefits
future
Language: Английский
Smads and AP‐1 activation of TGF‐β signaling upregulate transcription of Osteoprotegerin in Cementoblasts to inhibit osteoclastogenesis
L. H. Mo,
No information about this author
Jiaqi Zhu,
No information about this author
M. Li
No information about this author
et al.
The FASEB Journal,
Journal Year:
2024,
Volume and Issue:
38(22)
Published: Nov. 15, 2024
Abstract
Orthodontically
induced
root
resorption
(OIRR)
is
a
common
side
effect
during
orthodontic
tooth
treatment
(OTM).
The
function
of
osteoprotegerin
(OPG)
considered
to
protect
cementum
from
excessive
maintain
integrity.
In
this
study,
we
observed
that
the
expression
TGF‐β1
and
OPG
was
upregulated
under
loading
force
in
periodontal
tissues.
However,
specific
molecular
mechanisms
TGF‐β1‐induced
cementoblasts
are
not
fully
elucidated.
This
study
aims
investigate
Smads
AP‐1
stimulated
by
TGF‐β
signaling
on
transcription
cementoblasts.
vitro,
demonstrated
TGF‐β/Smad
involved
extracellular
secretion
conditioned
media
(CM)
cementoblasts,
which
further
inhibited
osteoclastogenesis.
Reporter
gene
plasmids
containing
promoter
sequences
different
lengths
(0.5–3
kb)
were
constructed
potential
binding
sites
AP‐1.
We
identified
nine
concentrated
0–0.5
2.3–3
kb
regions
ChlP
results
showed
Smad2/3/4
c‐Jun
bound
more
stimulation.
vivo,
localized
administration
OTM
model
increased
expression,
resulted
inhibition
OIRR.
summary,
can
bind
promote
transcription,
inhibits
osteoclast
differentiation
protects
resorption.
Language: Английский