MicroRNA signatures of VO2peak in older adult participants of the Study of Muscle, Mobility and Aging
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 9, 2025
Peak
oxygen
consumption
during
exercise
(VO
2
peak),
is
a
direct
measure
of
cardiorespiratory
fitness
(CF),
key
indicator
physical
function
and
overall
health.
However,
the
molecular
changes
that
underpin
VO
peak
variation
are
not
clear.
Our
objective
to
understand
miRNA
signatures
relate
variation,
which
could
provide
insights
novel
mechanisms
contribute
low
peak.
We
used
small
RNA
sequencing
analyze
serum
samples
from
72
participants
(70-79
yrs
old,
53%
female)
Study
Muscle,
Mobility
Aging
(SOMMA).
analyzed
individuals
with
or
high
(N=18/group)
as
well
36
randomly
selected
spanning
entire
spectrum
LIMMA
analysis
package
for
regression
identify
differentially
expressed
miRNAs.
receiver
operating
characteristic
curve
evaluate
Area
Under
Curve
(AUC)
sensitivity
specificity
rates.
identified
1,055
miRNAs
in
all
samples.
Expression
65
differed
between
(p
<
0.05).
After
p-value
adjustment,
expression
5
(miR-1301-3p,
-431-5p,
-501-5p,
-519a-3p,
-18a-3p)
remained
significantly
different
(FDR
=
The
five
had
AUC
ranging
0.77
0.84.
optimal
ranged
70
80%
80
90%,
respectively.
adjustment
age
sex
covariates,
46
correlated
0.05)
miR-519a-3p
significant
based
on
adjusted
p-values.
signature
older
might
drive
Future
studies
will
validate
findings
larger,
longitudinal
study
cohort.
Language: Английский
Regulating the expression of exercise-induced micro-RNAs and long non-coding RNAs: implications for controlling cardiovascular diseases and heart failure
Frontiers in Molecular Biosciences,
Journal Year:
2025,
Volume and Issue:
12
Published: May 20, 2025
The
intricate
interplay
between
physical
training
and
non-coding
RNAs,
specifically
microRNAs
(miRNAs)
long
RNAs
(lncRNAs),
has
attracted
considerable
attention
in
understanding
physiological
adaptations
pathological
conditions.
Both
miRNAs
lncRNAs
are
essential
modulators
of
gene
expression,
influencing
various
cellular
processes,
including
those
related
to
muscle
metabolism,
inflammation,
recovery
from
injury.
This
review
investigates
the
bifunctional
role
response
training,
highlighting
their
involvement
hypertrophy,
endurance
adaptations,
modulation
inflammatory
pathways.
Additionally,
we
examine
how
conditions,
such
as
cardiovascular
disease,
heart
failure,
can
alter
expression
profiles
lncRNAs,
potentially
disrupting
beneficial
effects
training.
crosstalk
these
under
states
underscores
potential
biomarkers
for
assessing
responses
therapeutic
targets
enhancing
performance.
Understanding
interactions
may
pave
way
novel
interventions
optimize
health
outcomes
through
tailored
programs.
Language: Английский
The Role of Alarmins in the Pathogenesis of Atherosclerosis and Myocardial Infarction
Current Issues in Molecular Biology,
Journal Year:
2024,
Volume and Issue:
46(8), P. 8995 - 9015
Published: Aug. 17, 2024
Atherosclerosis
is
a
condition
that
associated
with
lipid
accumulation
in
the
arterial
intima.
Consequently,
enlarging
lesion,
which
also
known
as
an
atherosclerotic
plaque,
may
close
blood
vessel
lumen,
thus
leading
to
organ
ischaemia.
Furthermore,
plaque
rupture
and
initiate
formation
of
thrombus,
can
cause
acute
background
pathological
eventually
lead
major
cardiovascular
diseases
such
coronary
syndrome
or
ischaemic
stroke.
The
disorder
altered
profile
alarmins,
stress
response
molecules
are
secreted
due
cell
injury
death
induce
inflammatory
responses.
High-mobility
group
box
1
(HMGB1),
S100
proteins,
interleukin-33,
heat
shock
proteins
(HSPs)
affect
behaviour
endothelial
cells
vascular
smooth
muscle
(VSMCs).
Thus,
alarmins
control
responses
proliferation
VSMCs,
two
important
processes
implicated
pathogenesis
atherosclerosis.
In
this
review,
we
will
discuss
role
pathophysiology
atherosclerosis
myocardial
infarction.
Language: Английский
The Role of MicroRNAs in Progressive Supranuclear Palsy—A Systematic Review
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(15), P. 8243 - 8243
Published: July 28, 2024
Progressive
supranuclear
palsy
(PSP)
is
a
rare,
neurodegenerative
movement
disorder.
Together
with
multiple
system
atrophy
(MSA),
Dementia
Lewy
bodies
(DLB),
and
corticobasal
degeneration
(CBD),
PSP
forms
group
of
atypical
parkinsonisms.
The
latest
diagnostic
criteria,
published
in
2017
by
the
Movement
Disorders
Society,
classify
diagnosis
into
defined,
probable,
possible
categories
based
on
clinical
examination.
However,
no
single
test
specific
sensitive
for
this
disease.
Microribonucleic
acids
(miRNAs)
are
promising
molecules,
particularly
case
diseases
that
lack
appropriate
treatment
tools,
which
supports
exploring
their
role
PSP.
We
aimed
to
systematically
review
current
knowledge
about
miRNAs
This
study
was
registered
Open
Science
Framework
Registry,
protocol
available
online.
Primary
original
studies,
both
preclinical,
written
English
assessing
were
included.
Systematic
reviews,
meta-analyses,
reports,
letters
editors,
commentaries,
conference
abstracts,
guidelines/statements,
expert
opinions,
preprints,
book
chapters
excluded.
following
five
databases
searched:
Embase,
Medline
Ultimate,
PubMed,
Scopus,
Web
Science.
Each
database
last
searched
18
June
2024.
Eventually,
nine
studies
relevant
discussed
area
risk
bias
not
assessed.
selected
research
suggests
may
be
considered
biomarkers
exact
involvement
pathogenesis
still
determined.
Several
microRNAs
found
dysregulated
patients
applies
brain
tissue
fluids
like
cerebrospinal
fluid
CSF
or
blood.
could
potentially
helpful
differentiating
among
patients,
PD
healthy
individuals.
Although
some
correlations
alterations
have
already
been
found,
field
requires
much
more
research.
MicroRNAs
exciting
small
investigation
many
diseases,
including
PSP,
lead
significant
discoveries.
Language: Английский