Skeletal Muscle,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: March 7, 2024
Abstract
Background
Untargeted
metabolomics
can
be
used
to
expand
our
understanding
of
the
pathogenesis
sarcopenia.
However,
metabolic
signatures
sarcopenia
patients
have
not
been
thoroughly
investigated.
Herein,
we
explored
metabolites
associated
with
by
untargeted
gas
chromatography
(GC)/liquid
(LC)–mass
spectrometry
(MS)
and
identified
possible
diagnostic
markers.
Methods
Forty-eight
elderly
subjects
were
age
sex
matched
48
without
We
first
GC/LC–MS
analyze
plasma
these
participants
then
combined
it
a
large
number
multivariate
statistical
analyses
data.
Finally,
based
on
multidimensional
analysis
metabolites,
most
critical
considered
biomarkers
Results
According
variable
importance
in
project
(VIP
>
1)
p
-value
t
-test
(
<
0.05),
total
55
GC–MS
85
LC–MS
between
normal
controls,
mostly
lipids
lipid-like
molecules.
Among
top
20
seven
phosphatidylcholines,
lysophosphatidylcholines
(LysoPCs),
phosphatidylinositol,
sphingomyelin,
palmitamide,
L-2-amino-3-oxobutanoic
acid,
palmitic
acid
downregulated
group;
only
ethylamine
was
upregulated.
that,
three
LysoPC(17:0),
showed
very
good
prediction
capacity
AUCs
0.887
(95%
CI
=
0.817–0.957),
0.836
0.751–0.921),
0.805
0.717–0.893),
respectively.
Conclusions
These
findings
show
that
metabonomic
has
great
potential
applied
The
could
study
pathomechanisms.
Circulation,
Journal Year:
2023,
Volume and Issue:
147(20), P. 1534 - 1553
Published: May 15, 2023
Sarcopenia
is
the
loss
of
muscle
strength,
mass,
and
function,
which
often
exacerbated
by
chronic
comorbidities
including
cardiovascular
diseases,
kidney
disease,
cancer.
associated
with
faster
progression
diseases
higher
risk
mortality,
falls,
reduced
quality
life,
particularly
among
older
adults.
Although
pathophysiologic
mechanisms
are
complex,
broad
underlying
cause
sarcopenia
includes
an
imbalance
between
anabolic
catabolic
homeostasis
or
without
neuronal
degeneration.
The
intrinsic
molecular
aging,
illness,
malnutrition,
immobility
development
sarcopenia.
Screening
testing
for
may
be
important
those
disease
states.
Early
recognition
because
it
can
provide
opportunity
interventions
to
reverse
delay
disorder,
ultimately
impact
outcomes.
Relying
on
body
mass
index
not
useful
screening
many
patients
will
have
sarcopenic
obesity,
a
phenotype
cardiac
patients.
In
this
review,
we
aimed
to:
(1)
definition
within
context
wasting
disorders;
(2)
summarize
associations
different
diseases;
(3)
highlight
approach
diagnostic
evaluation;
(4)
discuss
management
strategies
sarcopenia;
(5)
outline
key
gaps
in
knowledge
implications
future
field.
International Journal of Molecular Sciences,
Journal Year:
2022,
Volume and Issue:
23(23), P. 15039 - 15039
Published: Nov. 30, 2022
In
a
world
in
which
life
expectancy
is
increasing,
understanding
and
promoting
healthy
aging
becomes
contemporary
demand.
the
elderly,
sterile,
chronic
low-grade
systemic
inflammation
known
as
“inflammaging”
linked
with
many
age-associated
diseases.
Considering
sarcopenia
loss
of
strength
mass
skeletal
muscle
related
to
aging,
correlations
between
these
two
terms
have
been
proposed.
Better
knowledge
immune
system
players
would
help
elucidate
their
implications
sarcopenia.
Characterizing
activators
damage
sensors
downstream
effectors
explains
inference
performance.
Sarcopenia
has
also
diseases
such
diabetes,
metabolic
syndrome
obesity.
Implications
inflammatory
signals
from
negatively
affect
muscle.
Autophagic
mechanisms
are
closely
inflammasome,
autophagy
eliminates
stress
signaling
sent
by
organelles,
but
acts
an
immunomodulatory
function
affecting
cells
cytokine
release.
The
use
melatonin,
antioxidant,
ROS
scavenger
modulator,
or
senotherapeutic
compounds
targeting
senescent
could
represent
strategies
counteract
inflammation.
This
review
aims
present
factors
regulating
inflammaging
major
order
understand
molecular
involved
Frontiers in Endocrinology,
Journal Year:
2022,
Volume and Issue:
13
Published: Feb. 17, 2022
Sarcopenic
obesity
is
defined
as
a
multifactorial
disease
in
aging
with
decreased
body
muscle,
muscle
strength,
independence,
increased
fat
mass,
due
to
physical
activity,
changes
adipokines
and
myokines,
satellite
cells.
People
sarcopenic
cause
harmful
myokines
adipokines.
These
are
decrease
interleukin-10
(IL-10),
interleukin-15
(IL-15),
insulin-like
growth
factor
hormone
(IGF-1),
irisin,
leukemia
inhibitory
(LIF),
fibroblast
factor-21
(FGF-21),
adiponectin,
apelin.
While
factors
such
myostatin,
leptin,
interleukin-6
(IL-6),
interleukin-8
(IL-8),
resistin
increase.
The
consequences
of
these
an
increase
inflammatory
factors,
degradation
proteins,
tissue,
which
exacerbates
sarcopenia
obesity.
In
contrast,
exercise,
especially
strength
training,
reverses
this
process,
includes
increasing
protein
synthesis,
myogenesis,
mitochondrial
biogenesis,
brown
fat,
reducing
white
atrophy.
Since
some
people
chronic
diseases
not
able
do
high-intensity
exercises
blood
flow
restriction
(BFR)
newly
recommended.
Numerous
studies
have
shown
that
low-intensity
BFR
training
produces
the
same
hypertrophy
training.
Therefore,
it
seems
exercise
interventions
can
be
effective
way
prevent
exacerbation
However,
limited
on
obesity,
more
research
needed.
Biochemical Journal,
Journal Year:
2022,
Volume and Issue:
479(5), P. 583 - 607
Published: March 4, 2022
For
a
century,
since
the
pioneering
work
of
Otto
Warburg,
interwoven
relationship
between
metabolism
and
cancer
has
been
appreciated.
More
recently,
with
obesity
rates
rising
in
U.S.
worldwide,
epidemiologic
evidence
supported
link
cancer.
A
substantial
body
seeks
to
mechanistically
unpack
association
obesity,
altered
metabolism,
Without
question,
these
relationships
are
multifactorial
cannot
be
distilled
single
obesity-
metabolism-altering
hormone,
substrate,
or
factor.
However,
it
is
important
understand
hormone-specific
associations
Here,
we
review
links
metabolic
dysregulation,
insulin,
cancer,
an
emphasis
on
current
investigational
adjuncts
standard-of-care
treatment.
Nutrients,
Journal Year:
2022,
Volume and Issue:
14(9), P. 1816 - 1816
Published: April 26, 2022
Osteosarcopenic
obesity
is
a
unique
clinical
condition
where
low
bone
and
muscle
mass
coexist
in
individuals
with
obesity.
Alterations
adipose
tissue,
skeletal
are
strictly
interconnected,
vitamin
D
plays
key
roles
several
metabolic
pathways
that
involved
maintaining
musculoskeletal
health
glucose
homeostasis.
We
reviewed
the
available
literature
on
mechanisms
underlying
osteosarcopenic
obesity,
focus
role
of
pathogenesis
treatment
condition.
found
that,
although
evidence
from
large
observational
studies
pre-clinical
experiments
strongly
supports
deficiency
common
belief
improves
lacks
solid
evidence,
as
trials
specifically
aimed
at
assessing
effects
supplementation
patients
not
available,
investigated
other
patient
populations
either
showed
no
or
even
detrimental
effects.
conclude
interventional
including
representative
different
sex,
age
race
needed
to
better
define
this
PeerJ,
Journal Year:
2024,
Volume and Issue:
12, P. e17267 - e17267
Published: April 29, 2024
Exercise
has
many
beneficial
effects
that
provide
health
and
metabolic
benefits.
Signaling
molecules
are
released
from
organs
tissues
in
response
to
exercise
stimuli
widely
termed
exerkines,
which
exert
influence
on
a
multitude
of
intricate
multi-tissue
processes,
such
as
muscle,
adipose
tissue,
pancreas,
liver,
cardiovascular
kidney,
bone.
For
the
effect,
exerkines
regulate
homeostasis
organisms
by
increasing
glucose
uptake
improving
fat
synthesis.
anti-inflammatory
positively
various
chronic
inflammation-related
diseases,
type
2
diabetes
atherosclerosis.
This
review
highlights
prospective
contribution
regulating
metabolism,
augmenting
effects,
providing
additional
advantages
associated
with
exercise.
Moreover,
comprehensive
overview
analysis
recent
advancements
provided
this
review,
addition
predicting
future
applications
used
potential
biomarker
or
therapeutic
target
benefit
patients
diseases.
International Journal of Molecular Sciences,
Journal Year:
2025,
Volume and Issue:
26(1), P. 334 - 334
Published: Jan. 2, 2025
The
first
part
of
this
review
highlighted
the
evolving
landscape
atherosclerosis,
noting
emerging
cardiometabolic
risk
factors,
growing
impact
exposomes,
and
social
determinants
health.
prominent
role
atherosclerosis
in
bidirectional
relationship
between
cardiovascular
disease
cancer
was
also
discussed.
In
second
part,
we
examine
complex
interplay
multimorbid
cardio-oncologic
patients,
harmful
environments
that
lend
a
“syndemic”
nature
to
these
chronic
diseases.
We
summarize
management
strategies
targeting
disordered
factors
mitigate
explore
molecular
mechanisms
enabling
more
tailored
therapies.
Importantly,
emphasize
early
interception
through
multifactorial
interventions
detect
subclinical
signs
(via
biomarkers
imaging)
treat
modifiable
prevent
clinical
events.
A
concerted
preventive
effort—referred
by
some
as
“preventome”—is
essential
reduce
burden
atherosclerosis-driven
diseases,
shifting
from
mere
proactive
promotion
“chronic
health”.
Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: Jan. 2, 2025
The
triglyceride
glucose
(TyG)
index-related
obesity
indices
have
been
proposed
as
reliable
indicators
of
insulin
resistance.
This
study
aims
to
investigate
the
association
between
TyG
and
sarcopenia
well
their
potential
a
tool
for
screening
sarcopenic
patients.
A
cross-sectional
was
conducted
involving
7,161
participants
aged
18
above
from
National
Health
Nutrition
Examination
Survey.
index
indices,
including
glucose-body
mass
(TyG-BMI),
glucose-waist
circumference
(TyG-WC),
glucose-waist-to-height
ratio
(TyG-WHtR)
were
determined
using
standard
formulas.
appendicular
skeletal
muscle
BMI
used
assess
sarcopenia.
relationship
investigated
restricted
cubic
spline
analysis
multivariate
logistic
regression
analysis.
diagnostic
value
-related
compared
receiver
operating
characteristic
(ROC)
curve.
In
fully
adjusted
model,
positive
correlation
observed
TyG-WHtR
(for
each
one-unit
increase
in
index:
OR
=
3.57,
95%
CI:
2.71–4.71,
P
<
0.001).
Additionally,
analyses
demonstrated
significant
predictor
with
highest
odds
ratio,
reaching
12.50
(95%
6.13–25.70,
0.001)
upper
fourth
quartile
(Q4)
first
quartile,
followed
by
TyG-BMI
(Q4:
3.34;
1.92–5.80,
TyG-WC
1.95;
1.04–3.68,
RCS
curve
fitting
indicated
U-shaped
diagnosis
sarcopenia,
an
inflection
point
at
4.02.
Furthermore,
ROC
analysis,
AUC
largest
(0.79,
ndex-related
especially
TyG-WHtR,
shown
be
more
effective
identifying
patients
than
alone.