Frontiers in Cell and Developmental Biology,
Год журнала:
2024,
Номер
12
Опубликована: Дек. 4, 2024
Muscle
strength
is
a
crucial
aspect
of
muscle
function,
essential
for
maintaining
normal
physical
activity
and
quality
life.
The
global
aging
population
coupled
with
the
increasing
prevalence
disorders
loss,
poses
remarkable
public
health
challenge.
Understanding
mechanisms
behind
decline
vital
improving
outcomes.
This
review
discusses
recent
research
advancements
on
loss
from
various
perspectives,
including
factors
contributing
to
decline,
signaling
pathways
involved
in
deterioration
methods
assessing
strength.
final
section
explores
influence
exercise
stimulation
nutrition
Nutrients,
Год журнала:
2024,
Номер
16(19), С. 3271 - 3271
Опубликована: Сен. 27, 2024
Sarcopenia
is
characterized
by
the
progressive
loss
of
skeletal
muscle
mass,
strength,
and
function,
significantly
impacting
overall
health
quality
life
in
older
adults.
This
narrative
review
explores
emerging
targets
potential
treatments
for
sarcopenia,
aiming
to
provide
a
comprehensive
overview
current
prospective
interventions.
Biomedicines,
Год журнала:
2024,
Номер
12(9), С. 2096 - 2096
Опубликована: Сен. 13, 2024
The
triad
of
vascular
impairment,
muscle
atrophy,
and
cognitive
decline
represents
critical
age-related
conditions
that
significantly
impact
health.
Vascular
impairment
disrupts
blood
flow,
precipitating
the
mass
reduction
seen
in
sarcopenia
neuronal
function
characteristic
neurodegeneration.
Our
limited
understanding
intricate
relationships
within
this
hinders
accurate
diagnosis
effective
treatment
strategies.
This
review
analyzes
interrelated
mechanisms
contribute
to
these
conditions,
with
a
specific
focus
on
oxidative
stress,
chronic
inflammation,
impaired
nutrient
delivery.
aim
is
understand
common
pathways
involved
suggest
comprehensive
therapeutic
approaches.
dysfunctions
hinder
circulation
transportation
nutrients,
resulting
characterized
by
atrophy
weakness.
dysfunction
have
negative
physical
quality
life.
Neurodegenerative
diseases
exhibit
comparable
pathophysiological
affect
motor
functions.
Preventive
approaches
encompass
lifestyle
adjustments,
addressing
integrated
therapies
improving
muscular
well-being.
Better
links
can
refine
strategies
yield
better
patient
outcomes.
study
emphasizes
complex
interplay
between
dysfunction,
degeneration,
decline,
highlighting
necessity
for
multidisciplinary
Advances
domain
promise
improved
diagnostic
accuracy,
more
options,
enhanced
preventive
measures,
all
contributing
higher
life
elderly
population.
Healthcare,
Год журнала:
2025,
Номер
13(7), С. 726 - 726
Опубликована: Март 25, 2025
Background/Objectives:
Sarcopenia,
defined
as
the
progressive
loss
of
muscle
mass
and
function,
is
increasingly
associated
with
worse
outcomes
in
surgical
treatment
colorectal
cancer
(CRC).
This
paper
focuses
on
analyzing
impact
sarcopenia
a
prognostic
factor
postoperative
CRC
patients.
The
aim
study
to
identify
main
factors
influencing
results.
will
be
accomplished
via
bibliometric
analysis
highlighting
significance
condition
preoperative
assessment
Methods:
methodological
approach
involves
bibliographic
data
from
relevant
scientific
databases
focused
oncological
surgery.
employs
quantitative
citations
collaborations
among
authors
institutions.
focus
research
publications
2013,
when
we
first
identified
references
examined
context.
Results:
results
show
that
significantly
increases
risk
morbidity
mortality
Network
keyword
mapping
reveal
dominant
topics
such
condition,
mortality,
complications.
Meanwhile,
need
for
standardized
diagnostic
methods
their
integration
into
clinical
practice
improve
predictive
models
approaches.
Conclusions:
These
findings
underscore
importance
interdisciplinary
collaboration,
implementation
approaches
Stem Cells,
Год журнала:
2024,
Номер
42(5), С. 460 - 474
Опубликована: Фев. 20, 2024
Cell
therapy
based
on
mesenchymal
stem
cells
(MSCs)
alleviate
muscle
atrophy
caused
by
diabetes
and
aging;
however,
the
impact
of
human
umbilical
cord
following
nerve
injury
underlying
mechanisms
remain
unclear.
In
this
study,
we
evaluated
therapeutic
efficacy
MSCs
(hucMSCs)
hucMSC-derived
exosomes
(hucMSC-EXOs)
for
identified
molecular
mechanisms.
Sciatic
crush
in
rats
induction
myotubes
L6
were
used
to
determine
ameliorating
effect
hucMSCs
hucMSC-EXOs
atrophy.
Q-PCR
Western
blot
analyses
measure
expression
muscle-specific
ubiquitin
ligases
Fbxo32
(Atrogin1,
MAFbx)
Trim63
(MuRF-1).
Dual-luciferase
reporter
gene
experiments
conducted
validate
direct
binding
miRNAs
their
target
genes.
Local
injection
mitigated
rat
gastrocnemius
sciatic
injury.
vitro,
alleviated
myotubes.
Mechanistic
analysis
indicated
upregulation
miR-23b-3p
levels
treatment.
MiR-23b-3p
significantly
inhibited
its
genes,
Trim63,
suppressed
myotube
Notably,
an
inhibitor
reversed
inhibitory
vitro.
These
results
suggest
that
secreted
contributes
mechanism
inhibiting
ubiquitination
Trim63.
Frontiers in Nutrition,
Год журнала:
2024,
Номер
11
Опубликована: Июнь 28, 2024
Sarcopenia,
an
age-related
disease,
has
become
a
major
public
health
concern,
threatening
muscle
and
daily
functioning
in
older
adults
around
the
world.
Changes
gut
microbiota
can
affect
skeletal
metabolism,
but
exact
association
is
unclear.
The
richness
of
refers
to
number
different
species
sample,
while
diversity
not
only
considers
also
evenness
their
abundances.
Alpha
comprehensive
metric
that
measures
both
(richness)
abundances,
thereby
providing
thorough
understanding
composition
structure
community.
A
systemic
analysis
was
performed
to
evaluate
the
prognostic
utility
of
Glasgow
score
(GPS)
and
modified
(m)GPS
in
cancer
patients
treated
with
immune
checkpoint
inhibitors
(ICI).
The
PubMed,
Cochrane
Library,
EMBASE
Google
Scholar
databases
were
searched
for
entries
added
until
May
1st,
2023,
obtain
relevant
articles
this
study.
examined
several
clinical
outcomes,
including
overall
survival
(OS),
progression‑free
(PFS),
objective
response
rate
disease
control
(DCR).
In
analysis,
a
total
38
3,772
included.
pooled
results
indicated
that
high
GPS
levels
had
shorter
OS
[GPS
2
vs.
0,
hazard
ratio
(HR):
4.35,
P<0.001;
1
HR:
2.00,
1/0,
2.62,
2/1
2.60,
P<0.001)
PFS
(GPS
2.11,
P=0.001;
1.33,
1.62,
P<0.001],
as
well
lower
DCR
odds
(OR):
0.53,
P<0.001,
OR:
0.51,
P<0.001].
It
also
found
mGPS
poorer
(mGPS
3.15,
1.70,
1.95,
P=0.049;
3.14,
P=0.041;
continuous
variables,
1.52,
2.70,
1.74,
P=0.016;
1.91,
P=0.044;
1.29,
P<0.001),
0.46,
P<0.001).
conclusion,
reliable
predictors
outcomes
ICIs.
Abstract
Background
Gastric
cancer
remains
a
major
health
concern
worldwide,
with
locally
advanced
gastric
(LAGC)
posing
significant
challenges
due
to
frequent
lymph
node
metastasis
and
poor
prognosis.
While
curative
gastrectomy
D2
dissection
is
the
standard
treatment,
sarcopenia
perioperative
skeletal
muscle
loss
(SML)
have
emerged
as
critical
prognostic
factors.
Methods
We
retrospectively
analyzed
198
LAGC
patients
who
underwent
gastrectomy.
Preoperative
postoperative
were
assessed
via
computed
tomography
(CT)-derived
index
(SMI)
at
L3
level.
SML
was
defined
based
on
sex-specific
thresholds
of
SMI
changes
(%/30
days).
Prognostic
significance
for
overall
survival
(OS)
disease-free
(DFS)
evaluated
using
Kaplan-Meier
Cox
regression
analyses.
Results
The
prevalence
increased
from
23.7%
preoperatively
33.3%
postoperatively.
Patients
showed
worse
OS
DFS
compared
non-SML
(
P
<
0.05).
also
associated
higher
incidence
Clavien-Dindo
grade
≥
3a
complications
Multivariate
analysis
identified
preoperative
(HR
=
2.332,
0.001),
3.189,
0.011),
11.231,
0.002)
independent
risk
factors
OS.
Adjuvant
chemotherapy
significantly
improved
both
0.532,
0.015)
0.587,
0.041).
Conclusions
Both
may
negatively
impact
prognosis
in
patients,
suggesting
that
evaluation
mass
help
identify
high-risk
surgical
candidates
targeted
interventions.