Advanced Materials,
Journal Year:
2023,
Volume and Issue:
35(25)
Published: March 20, 2023
Osteosarcoma
occurs
in
children
and
adolescents
frequently
leads
to
a
high
fatality
rate.
Although
surgical
resection
is
the
most
common
methods
clinic,
patients
always
suffer
from
tumor
metastasis
recurrence
it
difficult
for
them
self-repair
large
bone
defects.
Furthermore,
postoperative
infection
bacteria
triggers
an
inflammatory
response
hinders
bone-repair
process.
This
work
demonstrates
gadolinium
(Gd)-complex
molybdenum
sulfide
(MoS2
)
co-doped
N-acryloyl
glycinamide
(NAGA)/gelatin
methacrylate
(Gel-MA)
multifunctional
hydrogel
(GMNG).
The
combination
between
NAGA
Gel-MA
endows
GMNG
with
attractive
mechanical
properties
controllable
degradation
ability.
MoS2
improves
system,
which
has
excellent
photothermal
ability
kill
cells
inhibit
bacterial
both
vitro
vivo.
Based
on
Gd-complex,
magnetic
resonance
imaging
(MRI)
effect
can
be
used
monitor
position
situation
of
hydrogel.
Notably,
accompanied
by
hydrogel,
gradually
released
Gd3+
exhibits
osteogenic
property
could
promote
new
formation
efficiently
Therefore,
this
strategy
supplies
method
prepare
bone-defect-repair
materials
expected
represent
significant
guidance
reference
development
biomaterials
tissue
engineering.
Frontiers in Bioengineering and Biotechnology,
Journal Year:
2022,
Volume and Issue:
10
Published: Feb. 17, 2022
Osteoclasts
and
osteoblasts
play
a
major
role
in
bone
tissue
homeostasis.
The
homeostasis
integrity
of
are
maintained
by
ensuring
balance
between
osteoclastic
osteogenic
activities.
remodeling
is
continuous
ongoing
process.
mainly
resorption,
whereas
involved
processes,
such
as
cell
formation,
mineralization,
secretion.
These
types
restrict
each
other
to
maintain
metabolism.
Bone
very
sensitive
mechanical
stress
stimulation.
Unloading
loading
closely
related
the
differentiation
formation
osteoclasts
resorption
function
well
function.
Consequently,
exerts
an
important
influence
on
microenvironment
This
review
focuses
effects
different
forms
stimulation
(including
gravity,
continuously
compressive
pressure,
tensile
strain,
fluid
shear
stress)
osteoclast
osteoblast
expression
mechanism.
article
highlights
involvement
activating
transduction
pathways
reports
changings
their
differentiation,
functional
mechanism
induced
application
tissue.
could
provide
new
ideas
for
further
microscopic
studies
health,
disease,
damage
reconstruction.
Journal of Bone Metabolism,
Journal Year:
2025,
Volume and Issue:
32(1), P. 11 - 20
Published: Feb. 28, 2025
Background:
Due
to
the
contradictory
and
temporally
variable
effects
of
transforming
growth
factor-β
(TGF-β)
Wnt/β-catenin
pathways
on
osteogenic
differentiation
in
different
stem
cell
types,
we
sought
examine
activity
these
as
well
their
interaction
during
osteo-induced
adiposederived
mesenchymal
cells
(AD-MSCs).
Methods:
The
AD-MSCs
were
treated
with
TGF-β1
(1
ng/mL)
either
alone
or
together
its
antagonist
SB-
431542
(10
μM)
that
Wnt
antagonist,
inhibitor
production
2
(IWP2)
(3
μM),
every
3
days
for
21
days.
Cells
then
analyzed
calcium
deposit,
bone
matrix
production,
markers
gene
expression.
Results:
Our
results
showed
firstly
that,
is
active
since
mRNA
expressions
respective
target
genes,
<i>PAI-1</i>
<i>Cyclin
D1</i>
detectable
although
latter
was
at
a
very
low
level.
Secondly
treatment
decreased
levels
Accordingly,
osteogenesis
induced
those
SB
TGF-β1,
pointing
inhibitory
effect
TGF-β
pathway
differentiation.
Thirdly
following
IWP2
reversed.
Fourthly,
there
constantly
expression
<i>Wnt3a</i><sup>mRNA</sup>
but
progressively
increasing
endogenous
<i>Dkk-1</i><sup>mRNA</sup>
throughout.
Conclusions:
Together
suggest
requires
signaling
exert
AD-MSCs.
Cell Proliferation,
Journal Year:
2021,
Volume and Issue:
55(1)
Published: Dec. 16, 2021
Abstract
Bone
formation
is
a
complex
regeneration
process
that
was
regulated
by
many
signalling
pathways,
such
as
Wnt,
Notch,
BMP
and
Hedgehog
(Hh).
All
of
these
have
been
demonstrated
to
participate
in
the
bone
repair
process.
In
particular,
one
promising
pathway
involved
homeostasis
Hh
pathway.
According
present
knowledge,
plays
vital
role
development
various
tissues
organs
embryo.
adults,
dysregulation
has
verified
be
bone‐related
diseases
terms
osteoarthritis,
osteoporosis
fracture;
during
processes,
could
reactivated
further
modulate
formation.
this
chapter,
we
summarize
our
current
understanding
on
function
homeostasis.
Additionally,
therapeutic
strategies
targeting
cascade
coordinate
mediate
osteogenesis
reviewed.
Cancer Drug Resistance,
Journal Year:
2022,
Volume and Issue:
5(4), P. 850 - 72
Published: Jan. 1, 2022
Resistance
to
anticancer
agents
and
apoptosis
results
in
cancer
relapse
is
associated
with
mortality.
Substantial
data
have
provided
convincing
evidence
establishing
that
human
cancers
emerge
from
stem
cells
(CSCs),
which
display
self-renewal
are
resistant
drugs,
radiation,
apoptosis,
express
enhanced
epithelial
mesenchymal
progression.
CSCs
represent
a
heterogeneous
tumor
cell
population
lack
specific
cellular
targets,
makes
it
great
challenge
target
eradicate
them.
Similarly,
their
close
relationship
the
microenvironment
creates
greater
complexity
developing
novel
treatment
strategies
targeting
CSCs.
Several
mechanisms
participate
drug
resistance
phenotype
various
cancers.
These
include
expression
of
ATP-binding
cassette
membrane
transporters,
activation
cytoprotective
survival
signaling
pathways,
dysregulation
stemness
aberrant
DNA
repair
mechanisms,
increased
quiescence,
autophagy,
immune
evasion,
deficiency
mitochondrial-mediated
upregulation
anti-apoptotic
proteins
including
c-FLIP
[cellular
FLICE
(FADD-like
IL-1β-converting
enzyme)-inhibitory
protein],
Bcl-2
family
members,
inhibitors
proteins,
PI3K/AKT
signaling.
Studying
such
not
only
provides
mechanistic
insights
into
these
unresponsive
but
may
lead
development
targeted
effective
therapeutics
studies
identified
promising
emerging
help
CSC-associated
metastasis
clinical
settings.
This
article
will
review
how
World Journal of Stem Cells,
Journal Year:
2024,
Volume and Issue:
16(2), P. 102 - 113
Published: Feb. 25, 2024
Mesenchymal
stem
cells
(MSCs)
originate
from
many
sources,
including
the
bone
marrow
and
adipose
tissue,
differentiate
into
various
cell
types,
such
as
osteoblasts
adipocytes.
Recent
studies
on
MSCs
have
revealed
that
transcription
factors
signaling
pathways
control
osteogenic
development.
Osteogenesis
is
process
by
which
new
bones
are
formed;
it
also
aids
in
remodeling.
Wnt/β-catenin
morphogenetic
protein
(BMP)
involved
cellular
processes
considered
to
be
essential
for
life.
BMPs
important
formation
mammalian
development
regulatory
activities
body.
indicated
these
two
contribute
differentiation.
Active
Wnt
pathway
promotes
osteogenesis
activating
downstream
targets
of
BMP
pathway.
Here,
we
briefly
review
molecular
underlying
crosstalk
between
explain
their
participation
differentiation,
emphasizing
canonical
pathways.
This
discusses
mechanisms
Wnt/BMP
with
Notch-
extracellular-regulated
kinases
differentiation
MedComm,
Journal Year:
2024,
Volume and Issue:
5(8)
Published: July 24, 2024
As
a
highly
dynamic
tissue,
bone
is
continuously
rebuilt
throughout
life.
Both
formation
by
osteoblasts
and
resorption
osteoclasts
constitute
reconstruction
homeostasis.
The
equilibrium
of
homeostasis
governed
many
complicated
signaling
pathways
that
weave
together
to
form
an
intricate
network.
These
coordinate
the
meticulous
processes
resorption,
ensuring
structural
integrity
vitality
skeletal
system.
Dysregulation
homeostatic
regulatory
network
contributes
development
progression
diseases.
Significantly,
imbalanced
further
disrupts
triggers
cascade
reaction
exacerbates
disease
engenders
deleterious
cycle.
Here,
we
summarize
influence
on
homeostasis,
elucidating
interplay
crosstalk
among
them.
Additionally,
review
mechanisms
underpinning
imbalances
across
diverse
landscapes,
highlighting
current
prospective
therapeutic
targets
clinical
drugs.
We
hope
this
will
contribute
holistic
understanding
molecular
sustaining
which
are
promising
research
shed
light
targeted
Cell Proliferation,
Journal Year:
2023,
Volume and Issue:
56(8)
Published: March 8, 2023
Abstract
Osteoporosis
is
an
ageing‐related
disease,
that
has
become
a
major
public
health
problem
and
its
pathogenesis
not
yet
been
fully
elucidated.
Substantial
evidence
suggests
strong
link
between
overall
age‐related
disease
progression
epigenetic
modifications
throughout
the
life
cycle.
As
important
modification,
ubiquitination
extensively
involved
in
various
physiological
processes,
role
bone
metabolism
attracted
increasing
attention.
Ubiquitination
can
be
reversed
by
deubiquitinases,
which
counteract
protein
degradation.
largest
most
structurally
diverse
cysteinase
family
of
deubiquitinating
enzymes,
ubiquitin‐specific
proteases
(USPs),
comprising
cysteine
kinase
have
found
to
players
maintaining
balance
formation
resorption.
The
aim
this
review
explore
recent
findings
highlighting
regulatory
functions
USPs
provide
insight
into
molecular
mechanisms
governing
their
actions
during
loss.
An
in‐deep
understanding
USPs‐mediated
regulation
resorption
will
scientific
rationale
for
discovery
development
novel
USP‐targeted
therapeutic
strategies
osteoporosis.