The
study
evaluated
the
effectiveness
of
sarcopenia
indices
neutrophils/lymphocytes,
platelets/lymphocytes,
AST/ALT,
and
creatinine
(Cr)/
cystatin
C
(CysC)*100
in
predicting
mortality
hospitalized
patients
with
Alzheimer's
disease
(AD)
aged
60
years
or
older.
This
retrospective
observational
survey
was
undertaken
a
teaching
hospital
western
China
from
January
1,
2017,
to
December
30,
2022.
neutrophil/lymphocyte,
platelet/lymphocyte,
Cr/CysC*100
ratios
were
used
assess
presence
sarcopenia,
upper
quartiles
as
cutoff
value.
Information
on
all-cause
obtained
through
telephone
interviews
electronic
medical
records
between
June
2024,
20,
2024.
Overall
survival
(OS)
represented
time
admission
death/final
follow-up.
Cox
proportional
hazards
models
applied
determine
relationships
above
parameters
all
causes.
information
523
AD
retrieved
record
system.
Of
these,
329
finally
enrolled,
whom
over
age
years.
use
Cr/Cys
C*100
indicator
found
be
effective
(24.39%
vs.
13.77%
for
those
without,
P
=
0.024).
However,
application
AST/ALT
indicators
showed
no
marked
differences
non-sarcopenia
participants.
After
further
logistic
regression
analysis
correction
possible
variables,
participants
had
an
increased
risk
death
relative
without
(HR
2.179,
95%CI:
1.175–4.044).
that
only
prediction
older
individuals
not
predictors.
The journal of nutrition health & aging,
Год журнала:
2025,
Номер
29(1), С. 100401 - 100401
Опубликована: Янв. 1, 2025
Aging,
a
universal
and
inevitable
process,
is
characterized
by
progressive
accumulation
of
physiological
alterations
functional
decline
over
time,
leading
to
increased
vulnerability
diseases
ultimately
mortality
as
age
advances.
Lifestyle
factors,
notably
physical
activity
(PA)
exercise,
significantly
modulate
aging
phenotypes.
Physical
exercise
can
prevent
or
ameliorate
lifestyle-related
diseases,
extend
health
span,
enhance
function,
reduce
the
burden
non-communicable
chronic
including
cardiometabolic
disease,
cancer,
musculoskeletal
neurological
conditions,
respiratory
well
premature
mortality.
influences
cellular
molecular
drivers
biological
aging,
slowing
rates-a
foundational
aspect
geroscience.
Thus,
PA
serves
both
preventive
medicine
therapeutic
agent
in
pathological
states.
Sub-optimal
levels
correlate
with
disease
prevalence
populations.
Structured
prescriptions
should
therefore
be
customized
monitored
like
any
other
medical
treatment,
considering
dose-response
relationships
specific
adaptations
necessary
for
intended
outcomes.
Current
guidelines
recommend
multifaceted
regimen
that
includes
aerobic,
resistance,
balance,
flexibility
training
through
structured
incidental
(integrated
lifestyle)
activities.
Tailored
programs
have
proven
effective
helping
older
adults
maintain
their
capacities,
extending
enhancing
quality
life.
Particularly
important
are
anabolic
exercises,
such
Progressive
resistance
(PRT),
which
indispensable
maintaining
improving
capacity
adults,
particularly
those
frailty,
sarcopenia
osteoporosis,
hospitalized
residential
aged
care.
Multicomponent
interventions
include
cognitive
tasks
hallmarks
frailty
(low
body
mass,
strength,
mobility,
level,
energy)
thus
preventing
falls
optimizing
during
aging.
Importantly,
PA/exercise
displays
characteristics
varies
between
individuals,
necessitating
personalized
modalities
tailored
conditions.
Precision
remains
significant
area
further
research,
given
global
impact
broad
effects
PA.
Economic
analyses
underscore
cost
benefits
programs,
justifying
broader
integration
into
care
adults.
However,
despite
these
benefits,
far
from
fully
integrated
practice
people.
Many
healthcare
professionals,
geriatricians,
need
more
incorporate
directly
patient
care,
whether
settings
hospitals,
outpatient
clinics,
Education
about
use
isolated
adjunctive
treatment
geriatric
syndromes
would
do
much
ease
problems
polypharmacy
widespread
prescription
potentially
inappropriate
medications.
This
intersection
prescriptive
practices
offers
promising
approach
well-being
An
strategy
combines
pharmacotherapy
optimize
vitality
independence
people
whilst
minimizing
adverse
drug
reactions.
consensus
provides
rationale
promotion,
prevention,
management
strategies
Guidelines
included
dosages
efficacy
randomized
controlled
trials.
Descriptions
beneficial
changes,
attenuation
phenotypes,
role
disability
provided.
The
sarcopenia,
neuropsychological
emphasized.
Recommendations
bridge
existing
knowledge
implementation
gaps
integrate
mainstream
Particular
attention
paid
it
applies
geroscience,
inter-individual
variability
adaptation
demonstrated
adult
cohorts.
Overall,
this
foundation
applying
current
base
an
population
span
Journal of Cachexia Sarcopenia and Muscle,
Год журнала:
2024,
Номер
15(4), С. 1240 - 1253
Опубликована: Май 7, 2024
Sarcopenia
has
been
associated
with
adverse
health
outcomes,
including
cognitive
dysfunction.
However,
its
specific
interrelationship
neurocognitive
disorders
such
as
mild
impairment
(MCI),
Alzheimer's
disease
(AD)
or
other
types
of
dementia
not
thoroughly
explored.
This
meta-analysis
aims
to
summarize
the
existing
evidence
on
this
interrelationship.
systematic
review
was
pre-registered
PROSPERO
(CRD42022366309)
and
reported
according
Preferred
Reporting
Items
for
Systematic
Reviews
Meta-Analyses
2020
guidelines.
Databases,
PubMed,
Embase,
CINAHL,
Scopus,
Web
Science,
PEDro,
SPORTDiscus
Cochrane
Central
Register
Controlled
Trials,
data
registry
ClinicalTrials.gov
were
searched
from
inception
8
June
2023.
Observational
studies
(cross-sectional
cohort)
interventional
reporting
association
prevalence
sarcopenia
in
MCI,
AD
adults
≥50
years
included.
For
meta-analysis,
pooled
odds
ratios
(OR)
95%
confidence
intervals
(CI)
calculated
using
random-effects/fixed-effects
models.
Subgroup
analyses
performed
identify
potential
sources
heterogeneity.
A
total
77
consisting
92
058
subjects
finally
included
qualitative
analysis
(71
cross-sectional,
4
cohort
2
studies).
Studies
heterogeneous,
different
diagnostic
criteria
define
both
status.
The
majority
(n
=
38)
Asian
community-dwelling
older
adults.
Most
investigated
(33/77)
MCI
(32/77).
focusing
forms
dementia,
two
Lewy
body
one
study
Parkinson's
whereas
remaining
did
specify
aetiology
21).
Three
explored
between
incident
only
sarcopenia.
Two
whether
an
exercise
programme
could
prevent
progression
AD.
information
extracted
26
studies.
significantly
(pooled
OR
1.58,
CI
1.42-1.76)
14),
2.97,
2.15-4.08)
3)
non-AD
1.68,
1.09-2.58)
9).
significance
magnitude
associations
differed
subgroup
by
design,
population,
definition
used
tool
measure
showed
that
is
dementia.
These
findings
suggest
importance
early
screening
prevention
people
dysfunction,
although
further
longitudinal
research
needed
clarify
causal
relationship.
Alzheimer s & Dementia,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 8, 2025
Abstract
INTRODUCTION
Sarcopenia,
with
its
complex
diagnostic
process,
is
a
likely
independent
predictor
of
poor
prognosis
in
patients
Alzheimer's
disease
(AD).
However,
research
on
the
clinical
characteristics
and
biomarkers
AD
sarcopenia
(ADSA)
limited.
METHODS
This
study
included
180
ADSA
188
without
(ADNSA),
evaluated
demographics,
cognitive
function,
motor
capacity,
emotional
state,
daily
living
abilities.
RESULTS
were
older,
worse
functions,
more
severe
depression,
poorer
social
functioning,
lower
abilities
compared
to
ADNSA
patients.
Multivariate
regression
identified
age,
low
Frailty
Rating
Scale
(FRS)
scores,
serum
albumin
level,
creatinine/cystatin
C
ratio
(CCR)
as
risk
factors
for
sarcopenia.
A
nomogram
model
based
these
indicators
demonstrated
high
discriminative
power
utility.
DISCUSSION
Sarcopenia
significantly
affects
patients’
various
functions.
The
aids
early
detection
personalized
interventions
AD.
Highlights
factor
(AD),
coexistence
functions
quality
life
Serum
scores
are
associated
both
assessment
(ADSA).
combined
indexes
age
at
diagnosis,
(CCR),
FRS
score,
levels
can
aid
effectively
identifying
personalizing
population.
Genes,
Год журнала:
2025,
Номер
16(2), С. 113 - 113
Опубликована: Янв. 21, 2025
Background:
Genetic
evidence
from
Mendelian
randomization
(MR)
analyses
suggests
that
higher
lean
mass
causally
protects
against
Alzheimer’s
disease
(AD)
and
enhances
cognitive
function.
However,
the
potential
confounding
role
of
height,
which
shares
genetic
etiology
with
mass,
has
not
been
fully
examined.
Methods:
predictors
whole-body
were
obtained
a
genome-wide
association
study
(GWAS)
performed
in
UK
Biobank
cohort
(UKB;
n
=
448,322).
height
also
UKB
(height0.5M
455,332)
GWAS
meta-analysis
(height1.5Mn
1,578,425).
The
outcomes
included
clinically
diagnosed
AD
(21,982
cases
41,944
controls)
performance
(n
269,867).
All
participants
European
ancestry.
We
conducted
univariable
multivariable
MR
to
examine
total
independent
effects
on
specified
under
different
statistical
adjustment
strategies.
Results:
In
analyses,
genetically
proxied
(odds
ratio
[OR]
per
1-standard
deviation
[SD]
increase
0.81,
95%
confidence
interval
[CI]
0.72–0.91,
p
3.8
×
10−4)
(OR
0.90,
CI
0.84–0.96,
0.001)
associated
reduced
risk
AD.
Genetically
(β
0.10,
0.08–0.12,
6.24
10−6)
0.07,
0.05–0.08,
1.16
10−15)
further
improved
performance.
for
height1.5M
partially
attenuated
0.91,
0.74–1.12,
0.40),
whereas
height1.5M-AD
remained
similar
after
adjusting
0.89,
0.79–1.00,
0.04).
Adjustment
0.00,
−0.07–0.06,
0.94),
maintained
0.03–0.10,
0.001).
Conclusions:
Height
may
confound
associations
between
both
risk.
Residual
direct
cannot
be
excluded
due
limitations
power
instrument
strength
MVMR.
These
findings
emphasize
necessity
when
using
investigate
clinical
mass.
Nutrients,
Год журнала:
2025,
Номер
17(7), С. 1277 - 1277
Опубликована: Апрель 6, 2025
Background/Objectives:
Alterations
of
oxysterols
and
gut
microbiota
have
been
recognized
as
indicators
affecting
mild
cognitive
impairment
(MCI)
sarcopenia,
respectively,
whereas
their
association
with
co-dysfunction
has
not
investigated.
Methods:
In
this
study,
a
total
1035
individuals
were
divided
into
Control
(n
=
264),
MCI
435),
possible
sarcopenia
(MPS,
n
336)
groups.
Cognition
muscle
indexes,
serum
oxysterols,
measured.
Spearman's
rank
coefficients
calculated
to
determine
correlations.
Results:
Performances
global
multidimensional
tests
was
successively
worse
in
the
Control,
MCI,
MPS
Longer
duration
five-time
chair
stand
test,
lower
6-meter
walk
speed,
handgrip
strength
observed
group,
along
increased
27-hydroxycholesterol
(27-OHC)
5α,6α-epoxycholesterol
decreased
5α-Cholest-8(14)-ene-3β,15α-diol
(15-HC).
Higher
concentrations
amyloid
precursor
protein
(APP),
neurofilament,
C-terminal
agrin
fragment
(CAF)
discovered
The
α-diversity
group
remarkably
decreased,
followed
by
shifted
abundance
microbial
taxa,
such
Alistipes
Rikenellaceae.
Multiple
significant
correlations
found
between
cognition
indexes
oxysterols.
Conclusions:
Our
study
indicates
that
are
prominently
involved
muscle.
Experimental and Clinical Gastroenterology,
Год журнала:
2025,
Номер
8, С. 181 - 195
Опубликована: Фев. 3, 2025
Currently,
demographic
aging
of
the
population
continues,
and
frequency
various
age-associated
pathologies
is
increasing.
Sarcopenia
cognitive
impairment
are
often
found
in
patients
older
age
groups,
leading
to
development
frailty,
decreased
quality
life,
disability
premature
death.
There
an
association
between
sarcopenia,
frailty
impairment.
Cognitive
physical
interrelated:
problems
dementia
more
common
people
with
likely
become
frail.
Both
decline
share
pathogenesis
mechanisms.
The
role
mediators
muscle
origin
(myokines)
occurrence
cross-talk
muscles
brain
known.
Sufficient
activity
plays
important
maintaining
not
only
skeletal
muscles,
but
also
functions.
On
contrary,
inactivity
one
most
risk
factors
for
dementia.
However,
relationship
sarcopenia
underlying
mechanisms
remain
be
addressed.
This
focus
this
literature
review.
Brain Sciences,
Год журнала:
2025,
Номер
15(4), С. 408 - 408
Опубликована: Апрель 17, 2025
Objectives:
The
longitudinal
relationship
between
sarcopenia,
depression,
and
cognitive
impairment
has
been
insufficiently
studied
in
China.
This
study
aimed
to
characterize
the
association
sarcopenia
mediating
role
of
depression
using
nationally
representative
data.
Methods:
7091
middle-aged
older
adults
were
analyzed
from
China
Health
Retirement
Longitudinal
Study
(CHARLS)
across
three
waves
(2011,
2013,
2015).
Cognitive
trajectories
modeled
a
group-based
trajectory
model
(GBTM),
while
multivariable
ordinal
logistic
regression
was
employed
evaluate
associations
with
trajectories.
depressive
symptoms
assessed
through
bootstrap
mediation
analysis
cross-lagged
panel
modeling
(CLPM).
Results:
Trajectory
identified
four
distinct
function
patterns:
“High
Stable”
(n
=
2563,
36.73%),
“Middle
group
2860,
38.76%),
Decline”
1280,
18.62%),
“Low
388,
5.90%).
Sarcopenia
associated
[Overall:
OR
(95%CI)
0.315
(0.259,
0.382)
0.417
(0.380,
0.459)].
Mediation
indicated
that
accounted
for
11.78%
demonstrated
significant
pathway
“T1
→
T2
T3
sarcopenia”,
5.31%
total
effect.
Conclusions:
Our
trajectories,
significantly
worse
over
time.
Depressive
mediated
function.
highlights
importance
integrating
mental
health
physical
interventions
address
interconnected
risks
aging.