Aging at the Crossroads of Organ Interactions: Implications for the Heart
Ilke Sen,
Natasha A. Trzaskalski,
Yung‐Ting Hsiao
и другие.
Circulation Research,
Год журнала:
2025,
Номер
136(11), С. 1286 - 1305
Опубликована: Май 22, 2025
Aging
processes
underlie
common
chronic
cardiometabolic
diseases
such
as
heart
failure
and
diabetes.
Cross-organ/tissue
interactions
can
accelerate
aging
through
cellular
senescence,
tissue
wasting,
accelerated
atherosclerosis,
increased
vascular
stiffness,
reduction
in
blood
flow,
leading
to
organ
remodeling
premature
failure.
This
interorgan/tissue
crosstalk
aging-related
dysfunction
inflammation,
senescence-associated
secretome,
metabolic
mitochondrial
changes
resulting
oxidative
stress,
microvascular
dysfunction,
reprogramming,
fibrosis.
may
also
underscore
the
rising
incidence
co-occurrence
of
multiorgan
population.
Examples
include
between
lungs,
kidneys,
liver,
muscles,
brain,
among
others.
However,
this
phenomenon
present
new
translational
opportunities
for
identifying
diagnostic
biomarkers
define
early
risks
gain
mechanistic
insights,
help
design
precision-directed
therapeutic
interventions.
Indeed,
opens
development
targeting
multiple
organs
simultaneously
disrupt
crosstalk-driven
process
mutual
disease
acceleration.
New
targets
could
provide
synergistic
benefits
across
systems
same
at-risk
patient.
Ultimately,
these
approaches
together
slow
itself
throughout
body.
In
future,
with
patient-centered
multisystem
coordinated
approaches,
we
initiate
a
paradigm
risk
prediction
tailored
intervention.
With
emerging
tools
including
artificial
intelligence–assisted
profiling
novel
preventive
strategies
(eg,
RNA-based
therapeutics),
be
able
mitigate
much
earlier
and,
perhaps,
even
itself.
Язык: Английский
Associations of Serum Uric Acid-to-High Density Lipoprotein Cholesterol Ratio with Age-related Diseases and Mortality Among Older Population in the United States
Archives of Gerontology and Geriatrics,
Год журнала:
2024,
Номер
130, С. 105707 - 105707
Опубликована: Ноя. 28, 2024
Язык: Английский
Ozone exposure and increased risk of age-related macular degeneration: Evidence from nationwide cohort and toxicological studies
The Innovation,
Год журнала:
2025,
Номер
unknown, С. 100808 - 100808
Опубликована: Фев. 1, 2025
Evidence
regarding
the
impact
of
ozone
on
age-related
macular
degeneration
(AMD)
remains
limited.
We
conducted
a
nationwide
cohort
analysis
27,923
participants
in
China,
along
with
random
control
animal
toxicological
study,
to
elucidate
temporal
relationship
between
exposure
and
AMD
as
well
underlying
biological
explanation.
In
population
5,149
were
diagnosed
incident
during
348,701
person-month
follow-up.
The
divided
into
low-,
medium-,
high-exposure
groups.
Fully
adjusted
Cox
regression
models
showed
that
risk
increased
by
28%
for
medium-
101%
groups
relative
low-exposure
group
(p
trend
<
0.001).
exposure-response
curves
exhibited
J-shaped
trend.
Sensitivity
analyses
confirmed
these
results,
revealing
stronger
associations
among
older
than
65
years
old
those
living
rural
or
northern
China.
mice
randomized
inhale
filtered
air,
exposed
had
photoreceptor
damage
vision
impairment,
which
are
hallmarks
AMD.
further
clarified
contributes
activating
systemic
inflammation
detailing
how
external
air-pollutant-induced
factors
reach
retina,
is
innermost
layer
eye,
cause
retinal
disease.
Our
comprehensive
studies
provide
key
evidence
risk,
suggesting
visual
health
benefits
collaboratively
enforcing
necessary
pollution
policies,
especially
regions
high
concentrations,
within
context
globally
aging
population.
Язык: Английский
Integrative cross‐tissue analysis unveils complement‐immunoglobulin augmentation and dysbiosis‐related fatty acid metabolic remodeling during mammalian aging
iMeta,
Год журнала:
2025,
Номер
4(3)
Опубликована: Апрель 12, 2025
Aging-related
decline
and
adaptation
are
complex,
multifaceted
processes
that
affect
various
tissues
increase
risk
of
chronic
diseases.
To
characterize
key
changes
in
cross-tissue
aging,
we
performed
comprehensive
proteomic
metabolomic
analyses
across
21
solid
plasma
samples,
alongside
shotgun
metagenomic
profiling
fecal
microbial
communities
young
aged
mice.
Our
findings
revealed
widespread
aging-rewired
inflammation,
characterized
by
complement
system
activation
universal
immunoglobulins
accumulation
multiple
tissues.
This
inflammatory
remodeling
significantly
enhanced
vulnerability
to
aging-related
tissue
injury.
Moreover,
identified
organ-specific
organ-enriched
proteins
with
high
functional
specificity.
Among
these,
were
closely
linked
disorders
arising
from
lipid
metabolism
dysfunction.
Analysis
multi-tissue
profiles
aging
disrupted
inter-tissue
metabolic
coupling,
activities
polyunsaturated
fatty
acids
metabolism,
gut
microbiota
homeostasis.
Aged
mice
exhibited
a
marked
decrease
Escherichia
an
Helicobacter,
strongly
correlating
alterations
omega-3
omega-6
acid
abundances.
Through
multi-omics
integration,
molecular
hubs
driving
organismal
responses
aging.
Collectively,
our
study
uncovers
extensive
aging-associated
tissues,
emphasizing
the
interplay
between
systemic
inflammation
dysbiosis-driven
remodeling.
These
provide
deeper
insights
into
development
healthy
perspective.
Язык: Английский
Epigenetic age acceleration mediates the association between low-grade systemic inflammation and cardiovascular diseases: insight from the NHANES 1999–2002
Clinical Epigenetics,
Год журнала:
2025,
Номер
17(1)
Опубликована: Май 31, 2025
Currently,
with
the
global
aging
of
population,
inflammation,
recognized
as
a
hallmark
in
age-related
diseases,
has
been
studied
and
linked
to
cardiovascular
diseases
(CVD).
However,
limited
evidence
on
whether
inflammation
modifies
epigenetic
affects
CVD
risk.
This
study
included
404
patients
1941
non-CVD
individuals
from
1999-2002
National
Health
Nutrition
Examination
Survey
cross-sectional
data.
Low-grade
systemic
was
assessed
using
C-reactive
protein
(CRP),
neutrophil-to-lymphocyte
ratio
(NLR),
response
index
(SIRI).
Epigenetic
age
accelerations
(EAAs)
were
calculated
residuals
between
chronological
ages:
Horvath
acceleration
(AgeAccel),
AgeAccelHannum,
AgeAccelPheno.
Weighted
linear
logistic
regression
analyzed
associations
exposures
outcomes,
mediating
effects
Sobel
test.
After
adjusting
confoundings,
log-transformed
NLR
SIRI
positively
associated
risk,
odds
(OR)
ranges
1.260
1.354
(all
P
<
0.05).
Furthermore,
ln-transformed
CRP
AgeAccelHannum
AgeAccelPheno,
coefficient
(β)
0.505
1.304
0.05);
all
three
EAAs,
β
0.392
2.212
0.005).
Additionally,
1-unit
increase
AgeAccelPheno
2.8%
(OR:
1.028,
95%
CI
1.007-1.049,
=
0.011)
3.5%
1.035,
1.014-1.056,
0.002)
respectively.
mediation
analysis
showed
that
mediates
10.44%
(P
0.046)
association
risk;
24.03%
0.009)
18.16%
0.015)
NLR-CVD
SIRI-CVD
risk
associations,
Our
results
demonstrate
EAAs
mediate
highlighting
potential
multi-target
approach
modifications
for
personalized
management
reduce
Язык: Английский