Development,
Journal Year:
2022,
Volume and Issue:
149(19)
Published: Oct. 1, 2022
ABSTRACT
Periodontal
tissue
supports
teeth
in
the
alveolar
bone
socket
via
fibrous
attachment
of
periodontal
ligament
(PDL).
The
PDL
contains
fibroblasts
and
stem/progenitor
cells,
collectively
known
as
cells
(PDLCs),
on
top
osteoblasts
cementoblasts
surface
cementum,
respectively.
However,
characteristics
lineage
hierarchy
each
cell
type
remain
poorly
defined.
This
study
identified
associated
protein-1
(Plap-1)
a
PDL-specific
extracellular
matrix
protein.
We
generated
knock-in
mice
expressing
CreERT2
GFP
specifically
Plap-1-positive
PDLCs.
Genetic
tracing
confirmed
long-standing
hypothesis
that
PDLCs
differentiate
into
cementoblasts.
A
single-cell
atlas
defined
Plap-1−Ibsp+Sparcl1+
Plap-1−Ibsp+Col11a2+,
Other
populations,
such
Nes+
mural
S100B+
Schwann
other
non-stromal
were
also
identified.
RNA
velocity
analysis
suggested
Plap-1highLy6a+
population
was
source
Lineage
Plap-1+
during
injury
showed
regeneration
by
Our
defines
diverse
populations
clarifies
role
homeostasis
repair.
Japanese Dental Science Review,
Journal Year:
2022,
Volume and Issue:
58, P. 172 - 178
Published: May 17, 2022
Periodontal
tissue
stem
cells,
which
play
a
crucial
role
in
maintaining
the
homeostasis
of
periodontal
tissues,
are
found
ligament
(PDL).
These
cells
have
long
been
referred
to
as
mesenchymal
stem/stromal
(MSCs),
and
their
clinical
applications
extensively
studied.
However,
PDL
not
thoroughly
investigated,
they
may
be
different
from
MSCs.
Recent
advances
cell
biology,
such
genetic
lineage
tracing,
identification
label-retaining
single-cell
transcriptome
analysis,
made
it
possible
analyze
vivo.
In
this
review,
we
summarize
recent
findings
on
these
populations
discuss
future
research
directions
toward
developing
regenerative
therapy.
Pharmaceuticals,
Journal Year:
2023,
Volume and Issue:
16(11), P. 1513 - 1513
Published: Oct. 24, 2023
Huntington’s
Disease
(HD)
is
a
severely
debilitating
neurodegenerative
disorder
in
which
sufferers
exhibit
different
combinations
of
movement
disorders,
dementia,
and
behavioral
or
psychiatric
abnormalities.
The
result
trinucleotide
repeat
expansion
mutation
that
inherited
an
autosomal
dominant
manner.
While
there
currently
no
treatment
to
alter
the
course
HD,
are
medications
lessen
abnormal
symptoms.
ClinicalTrials.gov
was
searched
identify
drugs
have
completed
phase
III
drug
trials
for
HD.
described
were
further
limited
interventional
studies
recruiting,
active
not
completed.
In
addition,
all
must
posted
update
within
past
year.
PubMed
used
gather
information
on
these
studies.
Of
nine
clinical
met
criteria,
eight
involved
following
drugs:
metformin,
dextromethorphan/quinidine,
deutetrabenazine,
valbenazine,
Cellavita
pridopidine,
SAGE-718,
RO7234292
(RG6042).
treatments,
four
already
FDA
approved.
This
systematic
review
provides
resource
summarizes
present
therapies
treating
this
devastating
condition
United
States.
Biofabrication,
Journal Year:
2023,
Volume and Issue:
15(3), P. 032003 - 032003
Published: May 22, 2023
Abstract
Soft
tissue
defects
are
a
common
clinical
challenge
mostly
caused
by
trauma,
congenital
anomalies
and
oncological
surgery.
Current
soft
reconstruction
options
include
synthetic
materials
(fillers
implants)
autologous
adipose
transplantation
through
flap
surgery
and/or
lipotransfer.
Both
reconstructive
hold
important
disadvantages
to
which
vascularized
engineering
(VATE)
strategies
could
offer
solutions.
In
this
review,
we
first
summarized
pivotal
characteristics
of
functional
such
as
the
structure,
function,
cell
types,
development
extracellular
matrix
(ECM).
Next,
discussed
relevant
sources
how
they
applied
in
different
state-of-the-art
VATE
techniques.
Herein,
biomaterial
scaffolds
hydrogels,
ECMs,
spheroids,
organoids,
sheets,
three
dimensional
printing
microfluidics
overviewed.
Also,
included
vesicles
emphasized
their
potential
role
VATE.
Lastly,
current
challenges
future
perspectives
pointed
out
help
pave
road
towards
applications.
Frontiers in Physiology,
Journal Year:
2023,
Volume and Issue:
14
Published: Oct. 19, 2023
Dental
pulp
stem
cells
(DPSCs)
are
a
type
of
mesenchymal
that
can
differentiate
into
odontoblast-like
and
protect
the
pulp.
The
differentiation
DPSCs
be
influenced
by
biomaterials
or
growth
factors
activate
different
signaling
pathways
in
vitro
vivo
.
In
this
review,
we
summarized
six
major
involved
odontogenic
DPSCs,
Wnt
pathways,
Smad
MAPK
NF-kB
PI3K/AKT/mTOR
Notch
pathways.
Various
influence
through
one
more
By
understanding
interactions
between
these
expand
our
knowledge
mechanisms
underlying
regeneration
pulp–dentin
complex.
International Dental Journal,
Journal Year:
2024,
Volume and Issue:
74(5), P. 1129 - 1141
Published: April 6, 2024
Oral
cavity
stem
cells
(OCSCs)
have
been
the
focus
of
intense
scientific
efforts
due
to
their
accessibility
and
cell
properties.
The
present
work
aims
compare
different
characteristics
6
types
dental
derived
from
oral
cavity:
pulp
(DPSC),
human
exfoliated
deciduous
teeth
(SHED),
periodontal
ligament
(PDLSC),
apical
papilla
(SCAP),
bone
marrow
mesenchymal
(BMSC),
gingival
(GMSC).
Using
immunofluorescence
real-time
polymerase
chain
reaction
techniques,
we
analysed
for
cell,
differentiation,
adhesion,
extracellular
matrix
markers;
ability
proliferate
in
vitro;
multilineage
differentiation
potential.
Markers
such
as
vimentin,
CD44,
alkaline
phosphatase,
CD146,
CD271,
CD49f,
Oct
3/4,
Sox
9,
FGF7,
nestin,
BMP4
showed
significant
differences
expression
levels,
highlighting
heterogeneity
unique
each
type.
At
same
time,
confirmed
that
all
successfully
differentiated
into
osteogenic,
chondrogenic,
or
adipose
lineages,
with
readiness.
In
conclusion,
our
study
reveals
distinct
properties
potential
applications
various
dental-derived
cells.
These
findings
contribute
a
deeper
understanding
OCSCs
significance
future
clinical
applications.
Biomedicines,
Journal Year:
2021,
Volume and Issue:
9(11), P. 1606 - 1606
Published: Nov. 3, 2021
Dental
stem
cells
are
heterogeneous
in
their
properties.
Despite
common
origin
from
neural
crest
cells,
they
have
different
functional
capacities
and
biological
functions
due
to
niche
influence.
In
this
study,
we
assessed
the
differences
between
dental
pulp
(DPSC)
periodontal
ligament
(PDLSC)
pluripotency
neuroepithelial
markers
transcription,
morphological
features,
osteoblast/odontoblast
differentiation
proteomic
profile
during
osteogenic
differentiation.
The
data
were
collected
paired
observations:
two
cell
cultures,
DPSC
PDLSC,
obtained
each
donor.
Both
populations
had
mesenchymal
surface
marker
set
exposed
on
membranes
but
differed
Nestin
(a
of
neuroectodermal
origin)
expression,
morphology,
proliferation
rate.
OCT4
mRNA
was
revealed
while
protein
present
nuclei
only.
However,
transcription
1000–10,000-fold
lower
than
blastocysts.
proliferated
at
a
slower
rate
shape
closer
polygonal
responded
better
stimuli
as
compared
PDLSC.
RUNX2
detected
by
qPCR
both
types
LC-MS/MS
shotgun
proteomics
only
PDLSC
suggesting
posttranscriptional
regulation.
DSPP
DMP1,
genes
odontoblastic
type
differentiation,
transcribed
not
samples.
Our
results
prove
that
biology
therapeutic
potential:
good
candidate
for
or
odontogenic
bone-replacement
cell-seeded
medicines,
fast
proliferating
prospective
other
products.
Current Stem Cell Research & Therapy,
Journal Year:
2022,
Volume and Issue:
19(4), P. 544 - 558
Published: May 31, 2022
Background:
Stem
cell
therapy
has
been
considered
to
play
a
paramount
role
in
the
treatment
modalities
available
for
regenerative
dentistry.
The
established
beneficial
effects
of
photobiomodulation
(PBM)
at
cellular
level
have
led
combined
use
these
two
factors
(PBM
and
stem
cells).
main
goal
this
study
was
firstly
critically
appraise
PBM
on
periodontal
ligament
cells
(PDLSCs),
secondly
explore
most
effective
protocols
applied.
Methods:
Pubmed,
Cochrane,
Scopus,
Science
Direct,
Google
Scholar
search
engines
were
used
identify
experimental
vitro
studies
which
applied
cultured
PDLSCs.
After
applying
specific
keywords,
additional
filters,
inclusion/exclusion
criteria,
preliminary
number
245
articles
narrowed
down
11
lasers
LEDs
within
630
-
1064
nm
wavelength
range.
Selected
further
assessed
by
three
independent
reviewers
strict
compliance
with
PRISMA
guidelines,
modified
Cochrane
risk
bias
determine
eligibility.
Statistical
Analysis:
dataset
analysed
extracted
from
sufficient
clearly
presented
protocols.
Simple
univariate
regression
analysis
performed
significance
contributions
potential
quantitative
predictor
variables
toward
outcomes,
one-way
ANOVA
model
employed
testing
differences
between
laser
or
LED
sources
treatments.
set
α
=
0.05.
Results:
proliferation
rate,
osteogenic
differentiation,
expression
different
indicative
genes
osteogenesis
inflammation
suppression
found
be
positively
affected
application
various
types
LEDs.
With
regard
protocol,
only
variable
appeared
affect
outcome;
indeed,
940
parameter
not
exert
favourable
effect.
Conclusions:
Photobiomodulation
can
enhance
stemness
differentiation
capacities
cells.
Therefore,
protocols,
there
remains
no
consensus
amongst
scientific
community.
analyses
here
indicated
that
employment
near-infrared
(NIR)
may
yield
significant
outcome,
although
those
830
range
did
so.
Concerning
fluence,
it
should
exceed
8
J/cm2
when
is
devices,
4
lasers,
respectively.
Frontiers in Bioscience-Landmark,
Journal Year:
2023,
Volume and Issue:
28(10)
Published: Oct. 31, 2023
Dental
pulp
stem
cells
(DPSCs)
are
a
type
of
mesenchymal
derived
from
dental
that
serves
as
an
important
model
for
investigating
biological
regeneration.
DPSCs
have
multipotent
differentiation
capacity
and
can
promote
different
processes,
including
osteogenesis,
odontogenesis,
chondrogenesis,
angiogenesis.
These
processes
regulated
by
extensive
range
intra-
extra-cellular
factors.
Further,
biomechanical
cues,
such
substrate
stiffness,
physical
stress,
cell
spreading,
been
highlighted
particularly
modulators
DPSC
function.
This
review
sought
to
discuss
various
related
signaling
components
involved
in
cues
their
respective
roles
cellular
tissue
responses
DPSCs,
summarize
current
findings,
provide
outlook
on
the
potential
applications
biomechanics
regenerative
medicine
engineering.
Frontiers in Bioengineering and Biotechnology,
Journal Year:
2024,
Volume and Issue:
12
Published: May 17, 2024
Periodontal
defects
involve
the
damage
and
loss
of
periodontal
tissue,
primarily
caused
by
periodontitis.
This
inflammatory
disease,
resulting
from
various
factors,
can
lead
to
irreversible
harm
tissues
supporting
teeth
if
not
treated
effectively,
potentially
in
tooth
or
loosening.
Such
outcomes
significantly
impact
a
patient’s
facial
appearance
their
ability
eat
speak.
Current
clinical
treatments
for
periodontitis,
including
surgery,
root
planing,
types
curettage,
as
well
local
antibiotic
injections,
aim
mitigate
symptoms
halt
disease
progression.
However,
these
methods
fall
short
fully
restoring
original
structure
functionality
affected
due
complex
deep
pockets
intricate
nature
tissue.
To
overcome
limitations,
numerous
biomaterials
have
been
explored
tissue
regeneration,
with
hydrogels
being
particularly
noteworthy.
Hydrogels
are
favored
research
exceptional
absorption
capacity,
biodegradability,
tunable
mechanical
properties.
They
shown
promise
barrier
membranes,
scaffolds,
carriers
cell
transplantation
drug
delivery
systems
regeneration
therapy.
The
review
concludes
discussing
ongoing
challenges
future
prospects
hydrogel
applications
treatment.