Experimental Gerontology,
Год журнала:
2024,
Номер
195, С. 112544 - 112544
Опубликована: Авг. 22, 2024
Sarcopenic
obesity
(SO)
and
osteoporosis
(OP)
are
associated
with
aging
obesity.
The
pathogenesis
of
SO
is
complex,
including
glucolipid
skeletal
muscle
metabolic
disorders
caused
by
inflammation,
insulin
resistance,
other
factors.
Growing
evidence
links
damage
to
bone
loss.
Muscle-lipid
metabolism
disrupt
the
balance
between
formation
resorption,
increasing
risk
OP.
Conversely,
bones
also
play
a
role
in
fat
metabolism.
In
context
obesity,
comprehensive
review
focuses
on
effects
mechanical
stimulation,
mesenchymal
stem
cells
(MSCs),
chronic
myokines,
adipokines
musculoskeletal,
at
same
time,
impact
osteokines
muscle-lipid
were
analyzed.
So
far,
exercise
combined
diet
therapy
most
effective
strategy
for
musculoskeletal
mass.
A
holistic
treatment
diseases
still
preliminary
exploration
stage.
Therefore,
this
article
aims
improve
understanding
-fat
interactions
OP,
explores
targets
that
can
provide
discusses
current
limitations
challenges.
We
hope
relevant
ideas
developing
specific
therapies
improving
disease
prognosis
future.
Pharmacological Reviews,
Год журнала:
2024,
Номер
76(3), С. 454 - 499
Опубликована: Янв. 30, 2024
Steatotic
liver
disease
(SLD)
displays
a
dynamic
and
complex
phenotype.
Consequently,
the
metabolic
dysfunction-associated
steatotic
(MASLD)/metabolic
steatohepatitis
(MASH)
therapeutic
pipeline
is
expanding
rapidly
in
multiple
directions.
In
parallel,
non-invasive
tools
for
diagnosing
monitoring
responses
to
interventions
are
being
studied,
clinically
feasible
findings
explored
as
primary
outcomes
interventional
trials.
The
realization
that
distinct
subgroups
exist
under
umbrella
of
SLD
should
guide
more
precise
personalized
treatment
recommendations
facilitate
advancements
pharmacotherapeutics.
This
review
summarizes
recent
updates
pathophysiology-based
nomenclature
outlines
both
effective
pharmacotherapeutics
those
MASLD/MASH,
detailing
their
mode
action
current
status
phase
2
3
clinical
Of
extensive
arsenal
MASLD/MASH
pipeline,
several
have
been
rejected,
whereas
other,
mainly
monotherapy
options,
shown
only
marginal
benefits
now
tested
part
combination
therapies,
yet
others
still
development
monotherapies.
Although
successful
drug
candidate
(or
combinations)
remains
elusive,
such
approaches
will
ideally
target
MASH
fibrosis
while
improving
cardiometabolic
risk
factors.
Due
urgent
need
novel
strategies
potential
availability
safety
tolerability
data,
repurposing
existing
approved
drugs
an
appealing
option.
Finally,
it
essential
highlight
and,
by
extension,
MASLD
be
recognized
approached
systemic
affecting
organs,
with
vigorous
implementation
interdisciplinary
coordinated
plans.
Significance
Statement
SLD,
including,
among
others,
MASH,
considered
most
prevalent
chronic
condition
than
one-fourth
global
population.
aims
provide
information
regarding
pathophysiology,
diagnosis,
management
line
guidelines
Collectively,
hoped
provided
furthers
understanding
state
direct
implications
stimulates
additional
research
initiatives.
Frontiers in Pharmacology,
Год журнала:
2024,
Номер
15
Опубликована: Янв. 19, 2024
Aim:
Diabetic
sarcopenia
leads
to
disability
and
seriously
affects
the
quality
of
life.
Currently,
there
are
no
effective
therapeutic
strategies
for
diabetic
sarcopenia.
Our
previous
studies
have
shown
that
inflammation
plays
a
critical
role
in
skeletal
muscle
atrophy.
Interestingly,
connection
between
chronic
complications
has
been
revealed.
However,
effects
non-steroidal
anti-inflammatory
drug
celecoxib
on
remains
unclear.
Materials
Methods:
The
streptozotocin
(streptozotocin)-induced
model
was
established.
Rotarod
test
grip
strength
were
used
assess
function.
Hematoxylin
eosin
immunofluorescence
staining
performed
evaluate
inflammatory
infiltration
morphology
motor
endplates
muscles.
Succinate
dehydrogenase
(SDH)
determine
number
succinate
dehydrogenase-positive
fibers.
Dihydroethidium
levels
reactive
oxygen
species
(ROS).
Western
blot
measure
proteins
involved
inflammation,
oxidative
stress,
endoplasmic
reticulum
ubiquitination,
autophagic-lysosomal
pathway.
Transmission
electron
microscopy
mitophagy.
Results:
Celecoxib
significantly
ameliorated
atrophy,
improving
function
preserving
mice.
also
decreased
cell,
reduced
IL-6
TNF-α,
suppressed
activation
NF-κB,
Stat3,
NLRP3
inflammasome
pathways
levels,
downregulated
Nox2
Nox4,
upregulated
GPX1
Nrf2,
further
stress
by
inhibiting
Perk-EIF-2α-ATF4-Chop
inhibited
Foxo3a,
Fbx32
MuRF1
ubiquitin-proteasome
system,
as
well
BNIP3,
Beclin1,
ATG7,
LC3Ⅱ
protected
mitochondria
promoted
mitochondrial
biogenesis
elevating
SIRT1
PGC1-α,
increased
SDH-positive
fibers
Conclusion:
improved
protecting
mitochondria,
subsequently
suppressing
proteolytic
systems.
study
provides
evidences
molecular
mechanism
treatment
sarcopenia,
broaden
way
new
use
Journal of Advanced Research,
Год журнала:
2024,
Номер
unknown
Опубликована: Май 1, 2024
The
lack
of
suitable
animal
models
for
sarcopenic
obesity
(SO)
limits
in-depth
research
into
the
disease.
Emerging
studies
have
demonstrated
that
gut
dysbiosis
is
involved
in
development
SO.
As
importance
microbial
metabolites
starting
to
unveil,
it
necessary
comprehend
specific
associated
with
microbiota
and
We
aimed
investigate
whether
high-fat
diet
(HFD)
causes
SO
natural
aging
are
linking
HFD
Young
rats
received
or
control
80
weeks,
obesity-related
metabolic
disorders
sarcopenia
were
measured.
16S
rRNA
sequencing
non-targeted
targeted
metabolomics
methods
used
detect
fecal
serum
metabolites.
Gut
barrier
function
was
evaluated
by
intestinal
integrity
permeability.
Trimethylamine
N-oxide
(TMAO)
treatment
further
conducted
verification.
resulted
body
weight
gain,
dyslipidemia,
impaired
glucose
tolerance,
insulin
resistance,
systemic
inflammation
rats.
also
caused
decreases
muscle
mass,
strength,
function,
fiber
cross-sectional
area
increase
fatty
infiltration
nontargeted
analysis
indicated
contributed
dysbiosis,
mainly
characterized
increases
deleterious
bacteria
TMAO.
destroyed
increased
permeability,
as
reducing
levels
colonic
mucin-2,
tight
junction
proteins,
goblet
cells
elevating
level
fluorescein
isothiocyanate-dextran
4.
Correlation
showed
a
positive
association
between
TMAO
In
addition,
aggravated
HFD-fed
aged
through
regulating
ROS-AKT/mTOR
signaling
pathway.
leads
rats,
partially
gut-microbiota-TMAO-muscle
axis.
Poultry Science,
Год журнала:
2025,
Номер
104(2), С. 104813 - 104813
Опубликована: Янв. 13, 2025
Skeletal
muscle
satellite
cells
(SMSCs)
are
critical
for
postnatal
skeletal
growth
and
regeneration.
Adiponectin
plays
a
pivotal
role
in
regulating
glucose
uptake
fatty
acid
metabolism.
However,
its
function
the
proliferation
differentiation
of
chicken
SMSCs
remains
poorly
understood.
In
this
study,
we
investigated
effects
adiponectin
on
vitro
cultured
SMSCs.
Our
results
demonstrated
that
promoted
while
inhibiting
myogenic
inducing
adipogenic
differentiation.
RNA-seq
analysis
revealed
enrichment
MAPK
signaling
pathway,
suggesting
potential
involvement
regulation
activity.
Western
blot
activated
ERK1/2
phosphorylation
inhibited
p38
during
process
inhibition
Furthermore,
suppression
with
U0126
or
activation
SSK1
reversed
downregulated
expression
marker
MyHC,
MyOD1,
MyOG
induced
by
adiponectin.
These
findings
validated
impeded
through
pathways.
Additionally,
pathway
reduced
increased
percentage
EdU-positive
Collectively,
these
impedes
activating
pathways,
promoting
pathway.
BACKGROUND:
The
mediating
role
of
inflammatory
biomarkers
in
the
causal
relationship
between
body
composition
and
hypertension
remains
unclear
requires
further
investigation.
METHODS:
This
study
used
a
combination
retrospective
observational
analysis
Mendelian
randomization
approaches.
Observational
data
were
derived
from
4717
Chinese
children
adolescents
aged
6
to
18
years
who
underwent
dual-energy
X-ray
absorptiometry
assess
composition.
analyses
utilized
summary
statistics
large-scale
sets,
including
UK
Biobank,
deCODE2021,
International
Consortium
Blood
Pressure,
FinnGen,
other
consortia.
included
leptin,
insulin,
adiponectin,
osteocalcin,
FGF23
(fibroblast
growth
factor
23),
PTH
(parathyroid
hormone).
RESULTS:
revealed
that
increased
fat
mass
positively
influenced
diastolic
blood
pressure
through
while
fat-free
had
an
inverse
effect.
Insulin
mediated
association
systolic
pressure,
hypertension,
with
additional
indirect
effects
observed
for
(all
P
<0.05).
demonstrated
childhood
index
by
insulin
(indirect
effect:
odds
ratio,
0.87
[95%
CI,
0.78–0.97])
adiponectin
(odds
1.13
1.04–1.23]).
Adiponectin
0.81
0.71–0.93])
1.30
1.11–1.51])
on
hypertension.
Leptin,
also
CONCLUSIONS:
These
findings
indicate
influences
distinct
biomarkers.
Targeting
may
provide
tailored
strategies
managing
European journal of medical research,
Год журнала:
2023,
Номер
28(1)
Опубликована: Окт. 25, 2023
Insulin
is
a
critical
hormone
that
promotes
energy
storage
in
various
tissues,
as
well
anabolic
functions.
resistance
significantly
reduces
these
responses,
resulting
pathological
conditions,
such
obesity
and
type
2
diabetes
mellitus
(T2DM).
The
management
of
insulin
requires
better
knowledge
its
pathophysiological
mechanisms
to
prevent
secondary
complications,
cardiovascular
diseases
(CVDs).
Recent
evidence
regarding
the
etiological
behind
emphasizes
role
imbalance
neurohormonal
dysregulation,
both
which
are
closely
regulated
by
autophagy.
Autophagy
conserved
process
maintains
homeostasis
cells.
Accordingly,
autophagy
abnormalities
have
been
linked
variety
metabolic
disorders,
including
resistance,
T2DM,
obesity,
CVDs.
Thus,
there
may
be
link
between
resistance.
Therefore,
interaction
function
will
examined
this
review,
particularly
insulin-responsive
adipose
tissue,
liver,
skeletal
muscle.
Diabetes Obesity and Metabolism,
Год журнала:
2024,
Номер
26(11), С. 5444 - 5454
Опубликована: Сен. 4, 2024
Abstract
Objective
The
aim
was
to
investigate
the
mediating
role
of
inflammatory
biomarkers
in
causal
effect
body
composition
on
glycaemic
traits
and
type
2
diabetes.
Methods
A
retrospective
observational
study
a
Mendelian
randomization
(MR)
were
used.
Observational
analyses
performed
using
data
from
4717
Chinese
children
adolescents
aged
6–18
years
who
underwent
dual‐energy
X‐ray
absorptiometry
for
composition.
MR
based
summary
statistics
UK
Biobank,
deCODE2021,
Meta‐Analysis
Glucose
Insulin‐Related
Traits
Consortium
(MAGIC)
other
large
consortiums.
Inflammatory
included
leptin,
adiponectin,
osteocalcin,
fibroblast
growth
factor
23
(FGF23)
parathyroid
hormone
(PTH).
Results
In
study,
increased
fat
mass
had
positive
homeostasis
model
assessment
insulin
resistance
(HOMA‐IR)
pancreatic
beta
cell
function
(HOMA‐β)
through
FGF23,
whereas
fat‐free
produced
opposite
effects.
PTH
osteocalcin
played
significant
roles
association
with
fasting
glucose,
HOMA‐IR
(all
p
<
0.05).
Mediation
results
indicated
that
childhood
index
affected
leptin
adiponectin.
There
existed
diabetes
via
FGF23
(indirect
effect:
OR
[odds
ratio]:
1.14
[95%
CI,
confidence
interval:
1.01–1.28])
adiponectin
(OR:
0.85
CI:
0.77–0.93]).
Leptin
mediated
β:
−0.05
−0.07,
−0.02])
(β:
0.03
0.01,
0.04])
glucose.
Conclusions
Our
findings
suggest
different
compositions
have
differential
influences
distinct
biomarkers.
may
be
helpful
tailoring
management
statuses.
Nutrition and Cancer,
Год журнала:
2025,
Номер
unknown, С. 1 - 12
Опубликована: Янв. 11, 2025
Sarcopenic
obesity
is
a
condition
in
which
the
coexistence
of
sarcopenia
and
may
have
unfavorable
prognostic
implications
cancer.
This
meta-analysis
aims
to
evaluate
effects
sarcopenic
on
postoperative
outcomes
patients
undergoing
colorectal
cancer
surgery.
A
systematic
literature
search
was
conducted
Scopus,
PubMed,
Web
Science
databases
for
articles
up
February
8,
2024.
The
primary
were
overall
major
complications
survival.
random-
or
fixed-effects
model
used
each
case
based
heterogeneity,
both
subgroup
sensitivity
analyses
performed.
Twenty
studies
with
11,264
included.
prevalence
14.5%.
found
be
risk
factor
[pooled
OR:
1.69
(95%
CI:
1.26–2.26);
p
<
0.001]
1.64
1.06–2.55);
=
0.028].
effect
survival
not
significant
HR:
1.24
0.98–1.56);
0.076],
but
significance
varied
some
subgroups.
Furthermore,
associated
an
increased
30-day
mortality,
prolonged
hospitalization.
In
conclusion,
after
surgery;
therefore,
it
useful
include
diagnosis
when
formulating
disease
prognosis.