Research Square (Research Square),
Journal Year:
2022,
Volume and Issue:
unknown
Published: Nov. 18, 2022
Abstract
Background
&
Aims:
Clinical
studies
have
shown
that
osteoprotegerin
(OPG)
is
reduced
in
patients
with
nonalcoholic
steatohepatitis
(NASH),
but
the
underlying
mechanisms
are
unclear.
The
current
study
focuses
on
role
of
OPG
NASH
pathogenesis.
Methods
knockout
mice
and
wild-type
control
fed
a
methionine
choline-deficient
diet
(MCD)
for
4
weeks
resulted
an
animal
model
NASH.
Measurement
triglycerides
(TG)
serum
liver
to
assess
steatosis.
Hematoxylin
eosin
(HE),
Sirius
Red
Masson
staining
were
used
damage.
Transcriptome
sequencing
analysis,
qPCR
western
blot
analyze
changes
lipid
metabolism
inflammation-related
indicators
liver.
Results
In
vivo
reduction
TG
levels
significant
increase
ALT
AST.
expression
inflammatory
factors
fibrosis
genes
was
significantly
upregulated
livers
mice.
analysis
showed
enhanced
MCD
diet-induced
activation
mitogen-activated
protein
kinase
(MAPK)
signaling
pathway.
Mechanistically,
may
inhibit
MAPK
pathway
activity
by
upregulating
dual
specificity
phosphatase
14
(DUSP14),
thereby
reducing
injury.
Conclusion
be
drug
target
treatment
Therapeutics and Clinical Risk Management,
Journal Year:
2023,
Volume and Issue:
Volume 19, P. 77 - 96
Published: Jan. 1, 2023
Nonalcoholic
fatty
liver
disease
(NAFLD)
is
a
highly
prevalent
without
any
approved
treatment
to-date
despite
intensive
research
efforts
by
researchers
and
pharmaceutical
industry.Fibroblast
growth
factor
(FGF)-21
has
been
gaining
increasing
attention
as
possible
contributing
thus
therapeutic
target
for
obesity-related
metabolic
disorders,
including
NAFLD,
mainly
due
to
its
effects
on
lipid
carbohydrate
metabolism.Most
animal
human
observational
studies
have
shown
higher
FGF-21
concentrations
in
NAFLD
than
non-NAFLD,
implying
that
may
be
increased
counteract
hepatic
steatosis
inflammation.However,
although
Mendelian
Randomization
revealed
variations
of
levels
within
the
physiological
range
hyperlipidemia
possibly
nonalcoholic
steatohepatitis,
they
also
indicate
FGF-21,
concentrations,
fail
reverse
not
able
control
obesity
other
diseases,
indicating
state
resistance
or
insensitivity
could
respond
administration
supraphysiological
concentrations.Interventional
with
analogs
(eg,
pegbelfermin,
efruxifermin,
BOS-580)
humans
provided
some
favorable
results
Phase
1
2
studies.However,
definite
effect
clarified
after
completion
ongoing
clinical
trials
paired
biopsies
histological
endpoints.The
aim
this
review
critically
summarize
experimental
data
an
attempt
highlight
existing
knowledge
areas
uncertainty,
subsequently,
focus
potential
NAFLD.
Genes & Diseases,
Journal Year:
2023,
Volume and Issue:
11(4), P. 101122 - 101122
Published: Sept. 21, 2023
In
recent
years,
researchers
have
become
focused
on
the
relationship
between
lipids
and
bone
metabolism
balance.
Moreover,
many
diseases
related
to
lipid
disorders,
such
as
nonalcoholic
fatty
liver
disease,
atherosclerosis,
obesity,
menopause,
are
associated
with
osteoporotic
phenotypes.
It
has
been
clinically
observed
in
humans
that
these
disorders
promote
changes
osteoporosis-related
indicators
mineral
density
mass.
Furthermore,
similar
phenotype
were
high-fat
high-cholesterol-induced
animal
models.
Abnormal
(such
increased
oxidized
elevated
plasma
cholesterol)
affects
microenvironment
homeostasis
via
cross-organ
communication,
promoting
differentiation
of
mesenchymal
stem
cells
adipocytes,
inhibiting
commitment
towards
osteoblasts.
disturbances
affect
balance
by
secretion
cytokines
receptor
activator
nuclear
factor-kappa
B
ligand
osteoblasts
stimulating
osteoclasts.
Conclusively,
this
review
addresses
possible
link
osteoporosis
elucidates
potential
modulatory
mechanisms
signaling
pathways
which
We
also
summarize
approaches
prospects
intervening
for
treatment.
International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(8), P. 7517 - 7517
Published: April 19, 2023
Chronic
liver
disease
(CLD),
including
non-alcoholic
fatty
(NAFLD)
and
its
advanced
form,
steatohepatitis
(NASH),
affects
a
significant
portion
of
the
population
worldwide.
NAFLD
is
characterised
by
fat
accumulation
in
liver,
while
NASH
associated
with
inflammation
damage.
Osteosarcopenia,
which
combines
muscle
bone
mass
loss,
an
emerging
clinical
problem
chronic
that
often
underappreciated.
The
reductions
share
several
common
pathophysiological
pathways;
insulin
resistance
systemic
are
most
crucial
predisposing
factors
related
to
presence
gravity
worsening
outcome
disease.
This
article
explores
relationship
between
osteosarcopenia
NAFLD/MAFLD,
focusing
on
diagnosis,
prevention
treatment
this
condition
patients
CLD.
Current Obesity Reports,
Journal Year:
2023,
Volume and Issue:
12(2), P. 147 - 162
Published: May 19, 2023
Abstract
Purpose
of
Review
To
summarize
evidence
on
the
potential
involvement
osteoprotegerin
(OPG)/receptor
activator
nuclear
factor-kappa
B
(NF-κΒ)
ligand
(RANKL)/receptor
NF-κΒ
(RANK)
axis
in
pathogenesis
metabolic
diseases.
Recent
Findings
The
OPG-RANKL-RANK
axis,
which
has
been
originally
involved
bone
remodeling
and
osteoporosis,
is
now
recognized
as
a
contributor
obesity
its
associated
comorbidities,
i.e.,
type
2
diabetes
mellitus
nonalcoholic
fatty
liver
disease.
Besides
bone,
OPG
RANKL
are
also
produced
adipose
tissue
may
be
inflammatory
process
with
obesity.
Metabolically
healthy
lower
circulating
concentrations,
possibly
representing
counteracting
mechanism,
while
elevated
serum
levels
reflect
an
increased
risk
dysfunction
or
cardiovascular
have
proposed
regulators
glucose
metabolism
potentially
mellitus.
In
clinical
terms,
consistently
concentrations.
With
regard
to
disease,
experimental
data
suggest
contribution
hepatic
steatosis,
inflammation,
fibrosis;
however,
most
studies
showed
reduction
concentrations
RANKL.
Summary
emerging
comorbidities
warrants
further
investigation
by
mechanistic
diagnostic
therapeutic
implications.
Bone Research,
Journal Year:
2025,
Volume and Issue:
13(1)
Published: Jan. 30, 2025
Abstract
The
delicate
balance
between
bone
formation
by
osteoblasts
and
resorption
osteoclasts
maintains
homeostasis.
Nuclear
receptors
(NRs)
are
now
understood
to
be
crucial
in
physiology
pathology.
However,
the
function
of
Farnesoid
X
receptor
(FXR),
a
member
NR
family,
regulating
homeostasis
remains
incompletely
understood.
In
this
study,
vitro
vivo
models
revealed
delayed
development
an
osteoporosis
phenotype
mice
lacking
FXR
marrow
mesenchymal
stem
cells
(BMSCs)
due
impaired
osteoblast
differentiation.
Mechanistically,
could
stabilize
RUNX2
inhibiting
Thoc6-mediated
ubiquitination,
thereby
promoting
osteogenic
activity
BMSCs.
Moreover,
activated
directly
bind
Thoc6
promoter,
suppressing
its
expression.
interaction
was
mediated
Runt
domain
WD
repeat
Thoc6.
Additionally,
Obeticholic
acid
(OCA),
orally
available
agonist,
ameliorate
loss
ovariectomy
(OVX)-induced
osteoporotic
mouse
model.
Taken
together,
our
findings
suggest
that
plays
pivotal
roles
differentiation
stability
targeting
may
promising
therapeutic
approach
for
osteoporosis.
Journal of Tissue Engineering,
Journal Year:
2024,
Volume and Issue:
15
Published: Jan. 1, 2024
Osteogenesis
is
caused
by
multiple
factors,
and
the
inflammatory
response,
osteogenic
differentiation
of
bone
marrow
mesenchymal
stem
cells
(BMSCs),
regeneration
blood
vessels,
other
factors
must
be
considered
in
tissue
engineering.
To
effectively
repair
defect,
it
important
to
decrease
excessive
inflammation,
enhance
into
osteoblasts,
stimulate
angiogenesis.
Herein,
nano-attapulgite
(ATP),
polyvinyl
alcohol
(PVA),
gelatin
(GEL)
scaffolds
were
produced
using
3D
printing
technology
pioglitazone
(PIO)-containing
polylactic
acid–glycolic
acid
(PLGA)
nanospheres
added.
In
both
vitro
vivo
studies,
material
with
PIO-loaded
could
reduce
response
encouraging
macrophage
polarization
from
M1
M2
promoting
BMSCs
activating
BMP2/Smad/RUNX2
signal
pathway
defects.
The
vascularization
human
umbilical
vein
endothelial
(HUVECs)
through
PI3K/AKT/HIF1-/VEGF
was
also
encouraged.
research
PIO-containing
PLGA
revealed
massive
collagen
deposition
skin
models.
These
findings
indicate
a
potentially
effective
scaffold
for
healing,
when
nanospheres—which
contain
drug
PIO—are
combined
ATP/PVA/GEL
scaffolds.
Frontiers in Endocrinology,
Journal Year:
2024,
Volume and Issue:
15
Published: March 8, 2024
Over
the
last
years
non-alcoholic
fatty
liver
disease
(NAFLD)
has
grown
into
most
common
chronic
globally,
affecting
17-38%
of
general
population
and
50-75%
patients
with
obesity
and/or
type
2
diabetes
mellitus
(T2DM).
NAFLD
encompasses
a
spectrum
diseases,
ranging
from
simple
steatosis
(non-alcoholic
liver,
NAFL)
steatohepatitis
(NASH;
or
metabolic
dysfunction-associated
steatohepatitis,
MASH)
to
fibrosis
cirrhosis
failure
or/and
hepatocellular
carcinoma.
Due
its
increasing
prevalence
associated
morbidity
mortality,
disease-related
broader
socioeconomic
burden
is
substantial.
Of
note,
currently
there
no
globally
approved
pharmacotherapy
for
NAFLD.
Similar
NAFLD,
osteoporosis
constitutes
also
silent
disease,
until
an
osteoporotic
fracture
occurs,
which
poses
markedly
significant
burden.
Increasing
emerging
data
have
recently
highlighted
links
between
osteoporosis,
linking
pathogenesis
process
bone
remodeling.
However,
clinical
studies
are
still
limited
demonstrating
this
associative
relationship,
while
more
evidence
needed
towards
discovering
potential
causative
links.
Since
these
two
diseases
frequently
co-exist,
suggesting
that
anti-osteoporosis
treatments
may
affect
progression
by
impacting
on
pathogenetic
mechanisms.
In
present
review,
we
overview
current
understanding
liver-bone
cross
talk
summarize
experimental
correlating
focusing
possible
effects
anti-osteoporotic
drugs