Frontiers in Bioscience-Landmark,
Год журнала:
2023,
Номер
28(5)
Опубликована: Май 6, 2023
Background:
Human
dental
stem
cells
(DSCs)
are
excellent
sources
of
for
treating
and
craniofacial
diseases.
However,
the
mechanisms
regulating
DSC
osteogenic
differentiation
still
unclear.
In
this
study,
we
aimed
to
determine
role
Krüppel-like
factor
9
(KLF9)
in
biological
functions
DSCs
explore
underlying
molecular
mechanisms.
Methods:
Bioinformatic
analyses,
quantitative
real-time
polymerase
chain
reaction
(qRT‒PCR)
Western
blotting
were
performed
KLF9
level
during
DSCs.
The
effects
depletion
or
overexpression
on
then
evaluated.
potential
associated
mineralized
nodule-forming
activities
monitored
via
Alizarin
red
S
staining
analyses
markers.
regulatory
effect
Notch1
signaling
pathway
was
analyzed
by
luciferase
reporter
assays.
Results:
mRNA
expression
consistently
increased
mesenchymal
cell
multiple
public
datasets,
our
qRT‒PCR
data
further
validated
finding.
addition,
promoted
proliferation
suppressed
DSCs,
while
enforced
potential.
Mechanistically,
negatively
regulated
Notch1-mediated
directly
binding
promoter.
More
importantly,
inhibition/overexpression
partially
rescued
suppressive/enhancing
depletion/overexpression
indicating
that
is
a
functional
downstream
target
KLF9.
Conclusions:
summary,
results
strongly
demonstrate
crucial
transcription
controls
pathway.
Frontiers in Medicine,
Год журнала:
2024,
Номер
11
Опубликована: Фев. 29, 2024
Bone
defects
resulting
from
severe
trauma,
tumors,
inflammation,
and
other
factors
are
increasingly
prevalent.
Stem
cell-based
therapies
have
emerged
as
a
promising
alternative.
Dental
pulp
stem
cells
(DPSCs),
sourced
dental
pulp,
garnered
significant
attention
owing
to
their
ready
accessibility
minimal
collection-associated
risks.
Ongoing
investigations
into
DPSCs
revealed
potential
undergo
osteogenic
differentiation
capacity
secrete
diverse
array
of
ontogenetic
components,
such
extracellular
vesicles
cell
lysates.
This
comprehensive
review
article
aims
provide
an
in-depth
analysis
secretory
emphasizing
extraction
techniques
utilization
while
elucidating
the
intricate
mechanisms
governing
bone
regeneration.
Furthermore,
we
explore
merits
demerits
cell-free
therapeutic
modalities,
well
discuss
prospects,
opportunities,
inherent
challenges
associated
with
DPSC
therapy
in
context
Stem Cell Research & Therapy,
Год журнала:
2025,
Номер
16(1)
Опубликована: Фев. 7, 2025
Endothelial
cells
coat
blood
vessels
and
release
molecular
signals
to
affect
the
fate
of
other
cells.
can
adjust
their
behavior
in
response
changing
microenvironmental
conditions.
During
bone
regeneration,
tissue
factors
that
promote
vessel
growth.
Notch
is
a
key
signaling
regulates
cell
decisions
many
tissues
plays
an
important
role
development
homeostasis.
Understanding
interplay
between
angiogenesis
osteogenesis
currently
focus
research
efforts
order
facilitate
improve
when
needed.
Our
review
explores
cellular
mechanisms
including
Notch-dependent
endothelial-MSC
communication
drive
osteogenesis-angiogenesis
processes
effects
on
remodeling
repair.
Declining
bone
mass
is
associated
with
aging
and
osteoporosis,
a
disease
characterized
by
progressive
weakening
of
the
skeleton
increased
fracture
incidence.
Growth
lifelong
homeostasis
rely
on
interactions
between
different
cell
types
including
vascular
cells
mesenchymal
stromal
(MSCs).
As
these
involve
Notch
signaling,
we
have
explored
whether
treatment
secreted
ligand
proteins
can
enhance
osteogenesis
in
adult
mice.
We
show
that
bone-targeting,
high
affinity
version
Delta-like
4,
termed
Dll4
(E12)
,
induces
formation
male
mice
without
causing
adverse
effects
other
organs,
which
are
known
to
intact
signaling.
Due
lower
surface
thereby
reduced
retention
same
approach
failed
promote
female
ovariectomized
but
strongly
enhanced
trabecular
combination
parathyroid
hormone.
Single
analysis
indicates
primarily
acts
MSCs
has
comparably
minor
osteoblasts,
endothelial
cells,
or
chondrocytes.
propose
activation
signaling
bone-targeted
fusion
might
be
therapeutically
useful
avoid
detrimental
Notch-dependent
processes
organs.
International Journal of Molecular Sciences,
Год журнала:
2024,
Номер
25(10), С. 5204 - 5204
Опубликована: Май 10, 2024
Bone
is
a
metabolically
dynamic
structure
that
generally
remodeled
throughout
the
lifetime
of
an
individual
but
often
causes
problems
with
increasing
age.
A
key
player
for
bone
development
and
homeostasis,
also
under
pathological
conditions,
vasculature.
This
complex
system
arteries,
veins,
capillaries
forms
distinct
structures
where
each
subset
endothelial
cells
has
important
functions.
Starting
basic
process
angiogenesis
bone-specific
blood
vessel
formation,
coupled
initial
importance
different
vascular
highlighted
respect
to
how
these
are
maintained
or
changed
during
aging,
conditions.
After
exemplifying
current
knowledge
on
vasculature,
this
review
will
move
exosomes,
novel
hotspot
scientific
research.
Exosomes
be
introduced
starting
from
their
discovery
via
isolation
procedures
state-of-the-art
characterization
role
in
development,
regeneration
repair
while
summarizing
underlying
signal
transduction
pathways.
With
processes,
especially
mesenchymal
stem
cell-derived
extracellular
vesicles
interest,
which
leads
discussion
patented
applications
update
ongoing
clinical
trials.
Taken
together,
provides
overview
vasculature
regeneration,
major
focus
exosomes
influence
intricate
system,
as
they
might
useful
therapeutic
purposes
near
future.
We
present
a
transcriptomic
analysis
that
provides
better
understanding
of
regulatory
mechanisms
within
the
healthy
and
injured
periosteum.
The
focus
this
work
is
on
characterizing
early
events
controlling
bone
healing
during
formation
periosteal
callus
day
3
after
fracture.
Building
our
previous
findings
showing
induced
Notch1
signaling
in
osteoprogenitors
leads
to
healing,
we
compared
samples
which
Notch
1
intracellular
domain
overexpressed
by
stem/progenitor
cells,
with
control
intact
fractured
Molecular
changes
skeletal
cells
(SSPCs)
other
cell
populations
callus,
including
hematopoietic
lineages,
were
determined.
Notably,
ligands
differentially
expressed
endothelial
mesenchymal
populations,
Dll4
restricted
whereas
Jag1
was
populations.
Targeted
deletion
using
Cdh5CreER
resulted
negative
effects
fracture
while
SSPCs
α-smooth
muscle
actin-CreER
did
not
impact
healing.
Translating
these
observations
into
clinically
relevant
model
revealed
beneficial
delivering
alongside
osteogenic
inducer,
BMP2.
These
provide
insights
periosteum,
paving
way
for
novel
translational
approaches
Journal of Cellular and Molecular Medicine,
Год журнала:
2024,
Номер
28(4)
Опубликована: Фев. 1, 2024
Blood
vessels
are
essential
for
bone
development
and
metabolism.
Type
H
in
bone,
named
after
their
high
expression
of
CD31
Endomucin
(Emcn),
have
recently
been
reported
to
locate
mainly
the
metaphysis,
exhibit
different
molecular
properties
couple
osteogenesis
angiogenesis.
A
strong
correlation
between
type
metabolism
is
now
well-recognized.
The
crosstalk
osteoprogenitor
cells
also
involved
metabolism-related
diseases
such
as
osteoporosis,
osteoarthritis,
fracture
healing
defects.
Targeting
vessel
formation
may
become
a
new
approach
managing
variety
diseases.
This
review
highlighted
roles
bone-related
summarized
research
attempts
develop
targeted
intervention,
which
will
help
us
gain
better
understanding
potential
value
clinical
application.
Frontiers in Bioengineering and Biotechnology,
Год журнала:
2022,
Номер
10
Опубликована: Окт. 5, 2022
Osteoporosis
is
a
common
bone
and
metabolic
disease
that
characterized
by
density
loss
microstructural
degeneration.
Human
marrow-derived
mesenchymal
stem
cells
(hMSCs)
are
multipotent
progenitor
with
the
potential
to
differentiate
into
various
cell
types,
including
osteoblasts,
chondrocytes,
adipocytes,
which
have
been
utilized
extensively
in
field
of
tissue
engineering
cell-based
therapy.
Although
fluid
shear
stress
plays
an
important
role
osteogenic
differentiation,
cellular
molecular
mechanisms
underlying
this
effect
remain
poorly
understood.
Here,
locked
nucleic
acid
(LNA)/DNA
nanobiosensor
was
exploited
monitor
mRNA
gene
expression
hMSCs
were
exposed
physiologically
relevant
examine
regulatory
Notch
signaling
during
differentiation.
First,
effects
on
viability,
proliferation,
morphology,
differentiation
investigated
compared.
Our
results
showed
modulates
morphology
depending
applied
duration.
By
incorporating
LNA/DNA
alkaline
phosphatase
(ALP)
staining,
we
further
regulating
Pharmacological
treatment
disrupt
investigate
govern
induced
experimental
provide
convincing
evidence
supporting
regulates
through
signaling.
Inhibition
mediates
reduced
ALP
enzyme
activity
decreased
Dll4
expression.
In
conclusion,
our
will
add
new
information
concerning
under
Further
studies
may
elucidate
mechanosensitive
Journal of Bone and Mineral Research,
Год журнала:
2024,
Номер
39(3), С. 357 - 372
Опубликована: Янв. 24, 2024
Sphingosine-1-phosphate
(S1P)
plays
multiple
roles
in
bone
metabolism
and
regeneration.
Here,
we
have
identified
a
novel
S1P-regulated
osteoanabolic
mechanism
functionally
connecting
osteoblasts
(OBs)
to
the
highly
specialized
vasculature.
We
demonstrate
that
S1P/S1PR3
signaling
OBs
stimulates
vascular
endothelial
growth
factor
(VEGFa)
expression
secretion
promote
an
autocrine
boost
osteogenic
H-type
differentiation
of
marrow
cells
paracrine
manner.
VEGFa-neutralizing
antibodies
VEGF
receptor
inhibition
by
axitinib
abrogated
OB
vitro
formation
male
C57BL/6J
vivo
following
S1P
stimulation
lyase
inhibition,
respectively.
Pharmacological
S1PR3
genetic
deficiency
suppressed
VEGFa
production,
vitro,
inhibited
angiogenesis
mice
vivo.
Together
with
previous
work
on
functions
S1PR2
S1PR3,
our
data
suggest
S1P-dependent
regeneration
employs
several
nonredundant
positive
feedback
loops
between
The
identification
this
yet
unappreciated
aspect
may
implications
for
regular
homeostasis
as
well
diseases
where
microvasculature
is
affected
such
age-related
osteopenia
posttraumatic
Central European Journal of Immunology,
Год журнала:
2023,
Номер
48(4), С. 338 - 345
Опубликована: Янв. 1, 2023
AMA
LI
H,
WU
Q,
TENG
X,
et
al.
The
pathogenesis
and
regulatory
role
of
HIF-1
in
rheumatoid
arthritis.
Central
European
Journal
Immunology.
2024.
doi:10.5114/ceji.2023.134217.
APA
LI,
H.,
WU,
Q.,
TENG,
X.,
Z.,
ZHU,
M.,
&
GU,
C.
(2024).
https://doi.org/10.5114/ceji.2023.134217
Chicago
HAN,
QI-YANG
XU-HENG
ZHI-PENG
MENG-TING
CHAO-JIE
BEN-JIA
CHEN
"The
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Harvard
C.,
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XIE,
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ZHU
M,
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