bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 28, 2025
Biological
sex
plays
a
crucial
role
in
the
outcomes
of
cardiac
health
and
therapies.
Sex
hormones
are
known
to
strongly
influence
remodeling
through
intracellular
signaling
pathways,
yet
their
underlying
mechanisms
remain
unclear.
To
address
this
need,
we
developed
validated
logic-based
systems
biology
model
cardiomyocyte
hypertrophy
that,
for
first
time,
incorporates
effects
both
estradiol
(E2)
testosterone
(T)
alongside
well-established
hypertrophic
stimuli
(Strain,
angiotensin
II
(AngII),
endothelin-1
(ET-1)).
We
qualitatively
literature
data
with
84%
agreement.
Quantitative
validation
was
done
by
simulating
impact
inputs
(E2,
T,
Strain,
AngII,
ET-1)
on
hypertrophy,
captured
as
change
CellArea.
perturbed
examine
differential
response
identify
changes
influential
sensitive
downstream
nodes
male,
pre-menopausal
female,
post-menopausal
female
condition.
Our
results
suggest
that
T
has
greater
than
E2.
This
increases
our
understanding
which
can
aid
developing
more
effective
therapies
all
patients.
Differences
between
male
hearts
extend
far
beyond
size
structure.
play
key
roles
sex-specific
via
pathways.
Understanding
how
these
is
critical
effective,
approaches
cardiovascular
care.
Logic-based
models
have
proven
useful
quantifying
analyzing
complex
intricate
network
dynamics
various
cell
types.
leverage
method
develop
which,
includes
effect
testosterone.
Considering
combined
important
because
women
men
varying
concentrations
throughout
lives.
The
based
previously
published
studies.
then
investigated
differences
pre-
men.
Nature Cardiovascular Research,
Год журнала:
2022,
Номер
1(3), С. 263 - 280
Опубликована: Март 16, 2022
Heart
failure
represents
a
major
cause
of
morbidity
and
mortality
worldwide.
Single-cell
transcriptomics
have
revolutionized
our
understanding
cell
composition
associated
gene
expression.
Through
integrated
analysis
single-cell
single-nucleus
RNA-sequencing
data
generated
from
27
healthy
donors
18
individuals
with
dilated
cardiomyopathy,
here
we
define
the
failing
human
heart.
We
identify
cell-specific
transcriptional
signatures
age
heart
reveal
emergence
disease-associated
states.
Notably,
cardiomyocytes
converge
toward
common
states,
whereas
fibroblasts
myeloid
cells
undergo
dramatic
diversification.
Endothelial
pericytes
display
global
shifts
without
changes
in
complexity.
Collectively,
findings
provide
comprehensive
cellular
transcriptomic
landscape
failure,
type-specific
programs
states
establish
valuable
resource
for
investigation
failure.
Journal of Clinical Investigation,
Год журнала:
2024,
Номер
134(13)
Опубликована: Июнь 30, 2024
Biological
sex
is
an
important
modifier
of
physiology
and
influences
pathobiology
in
many
diseases.
While
heart
disease
the
number
one
cause
death
worldwide
both
men
women,
differences
exist
at
organ
cellular
scales,
affecting
clinical
presentation,
diagnosis,
treatment.
In
this
Review,
we
highlight
baseline
cardiac
structure,
function,
signaling
discuss
contribution
hormones
chromosomes
to
these
characteristics.
The
a
remarkably
plastic
rapidly
responds
physiological
pathological
cues
by
modifying
form
function.
nature
extent
remodeling
response
stimuli
are
often
dependent
on
biological
sex.
We
organ-
molecular-level
adaptive
from
pressure
volume
overload,
ischemia,
genetic
disease.
Finally,
offer
perspective
key
future
directions
for
research
into
differences.
Journal of Proteome Research,
Год журнала:
2023,
Номер
22(3), С. 790 - 801
Опубликована: Фев. 10, 2023
The
extracellular
matrix
(ECM)
is
a
critical
non-cellular
component
of
multicellular
organisms
containing
variety
proteins,
glycoproteins,
and
proteoglycans
which
have
been
implicated
in
wide
essential
biological
processes,
including
development,
wound
healing,
aging.
Due
to
low
solubility,
many
ECM
proteins
underrepresented
previous
proteomic
datasets.
Using
an
optimized
three-step
decellularization
extraction
method
involving
chaotrope
digestion
via
hydroxylamine
hydrochloride,
we
generated
coverage
the
matrisome
across
25
organs.
We
observe
that
top
100
most
abundant
from
fractions
all
tissues
are
generally
present
tissues,
indicating
tissue
matrices
principally
composed
shared
set
proteins.
However,
these
vary
up
4000-fold
between
resulting
highly
unique
profiles
even
with
same
primary
A
data
reduction
approach
was
used
reveal
related
networks
expressed
varying
basement
membrane
collagen
subtypes.
Atherosclerosis,
Год журнала:
2023,
Номер
384, С. 117278 - 117278
Опубликована: Сен. 26, 2023
Endothelial
cells
are
important
constituents
of
blood
vessels
and
play
a
critical
role
in
vascular
homeostasis.
They
do
not
only
control
the
exchanges
between
surrounding
tissues,
but
also
essential
regulating
flow,
modulating
immune-cell
trafficking
controlling
growth
repair.
dysfunction
leads
to
cardiovascular
diseases
is
characterized
by
deficiency
secretion
vasodilator
molecules,
elevated
reactive
oxygen
species
(ROS),
expression
adhesion
molecules
excretion
proinflammatory
cytokines.
The
sex
hormones,
estrogens,
androgens
progestogens,
regulate
endothelial
functions.
Because
disease
risk
increases
after
menopause,
it
believed
that
female
estrogens
progestogens
promote
cell
health
function
whereas
androgens,
male
might
be
detrimental.
However,
as
illustrated
present
review,
picture
simple.
In
addition,
influences
physiology
independently
hormones
at
genetic
level.
Current Heart Failure Reports,
Год журнала:
2022,
Номер
19(4), С. 200 - 212
Опубликована: Май 28, 2022
Abstract
Purpose
of
Review
Sex
hormones
drive
development
and
function
reproductive
organs
or
the
secondary
sex
characteristics
but
their
effects
on
cardiovascular
system
are
poorly
understood.
In
this
review,
we
identify
gaps
in
our
understanding
interaction
between
system.
Recent
Findings
Studies
progressively
elucidating
molecular
functions
specific
cell
types
parallel
with
initiation
crucial
large
randomized
controlled
trials
aimed
at
improving
therapies
for
diseases
(CVDs)
associated
aberrant
levels
hormones.
Summary
contrast
historical
assumptions,
now
understand
that
men
women
show
different
symptoms
progression
CVDs.
Abnormal
pose
an
independent
risk
CVD,
which
is
apparent
conditions
like
Klinefelter
syndrome,
androgen
insensitivity
menopause.
Moreover,
hormone–based
remain
understudied
may
not
be
beneficial
health.
Cardiovascular Research,
Год журнала:
2024,
Номер
unknown
Опубликована: Июнь 26, 2024
Abstract
Cardiac
ageing
is
an
intricate
and
multifaceted
process
with
considerable
impact
on
public
health,
especially
given
the
global
demographic
shift
towards
aged
populations.
This
review
discusses
structural,
cellular,
functional
changes
associated
cardiac
heart
failure
preserved
ejection
fraction
(HFpEF).
Key
molecular
mediators
are
considered
within
framework
of
established
hallmarks
ageing,
particular
attention
to
promising
therapeutic
candidates.
We
further
delineate
differential
impacts
structure
function
in
men
women,
addressing
hormonal
chromosomal
influences.
The
protective
mitigating
effects
exercise
HFpEF
discussed,
as
inspiration
for
identification
pathways
that
mitigate
biological
ageing.
also
emphasize
how
much
remains
be
learned
importance
these
efforts
enhancing
health
populations
worldwide.
Circulation Research,
Год журнала:
2022,
Номер
130(4), С. 578 - 592
Опубликована: Фев. 17, 2022
Sex-based
differences
in
cardiovascular
disease
presentation,
diagnosis,
and
response
to
therapies
are
well
established,
but
mechanistic
understanding
translation
clinical
applications
limited.
Blood-based
biomarkers
have
become
an
important
tool
for
interrogating
biologic
pathways.
Understanding
sexual
dimorphism
the
relationship
between
will
enhance
our
insights
into
pathogenesis
women,
with
potential
translate
improved
individualized
care
men
women
or
at
risk
disease.
In
this
review,
we
examine
how
sex
associates
differential
levels
of
blood-based
influences
effect
on
outcomes.
We
further
summarize
key
along
central
pathways,
including
myocardial
stretch/injury,
inflammation,
adipose
tissue
metabolism,
fibrosis
pathways
versus
women.
Finally,
present
recommendations
leveraging
current
knowledge
future
research
innovation.
Genes & Development,
Год журнала:
2022,
Номер
36(7-8), С. 468 - 482
Опубликована: Апрель 1, 2022
The
nucleosome
remodeling
and
deacetylase
(NuRD)
complex
is
one
of
the
central
chromatin
complexes
that
mediates
gene
repression.
NuRD
essential
for
numerous
developmental
events,
including
heart
development.
Clinical
genetic
studies
have
provided
direct
evidence
role
chromodomain
helicase
DNA-binding
protein
4
(CHD4),
catalytic
component
NuRD,
in
congenital
disease
(CHD),
atrial
ventricular
septal
defects.
Furthermore,
it
has
been
demonstrated
CHD4
mammalian
cardiomyocyte
formation
function.
A
key
unresolved
question
how
CHD4/NuRD
localized
to
specific
cardiac
target
genes,
as
neither
nor
can
directly
bind
DNA.
Here,
we
coupled
a
bioinformatics-based
approach
with
mass
spectrometry
analyses
demonstrate
interacts
core
transcription
factors
GATA4,
NKX2-5,
TBX5
during
embryonic
Using
transcriptomics
genome-wide
occupancy
data,
characterized
genomic
landscape
repression
defined
targets
GATA4–CHD4,
NKX2-5–CHD4,
TBX5-CHD4
complexes.
These
data
were
used
identify
putative
cis
-regulatory
elements
controlled
by
these
We
genetically
interrogated
two
silencers
vivo:
Acta1
Myh11
.
show
deletion
leads
inappropriate
skeletal
smooth
muscle
misexpression,
respectively,
heart.
results
delineate
loci
explicates
mutations
broadly
expressed
lead
cardiac-specific
states.