bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 12, 2024
Abstract
Big
mechanically-active
culture
systems
(BigMACS)
are
promising
to
stimulate,
control,
and
pattern
cell
tissue
behaviours
with
less
soluble
factor
requirements,
however,
it
remains
challenging
predict
if
how
distributed
mechanical
forces
impact
single-cell
tissue.
In
this
study,
we
introduce
a
centimetre,
tissue-scale,
finite
element
analysis
(FEA)
framework
able
correlate
sub-cellular
quantitative
histology
centimetre-scale
biomechanics.
Our
is
relevant
diverse
bigMACS;
media
perfusion,
tensile-stress,
magnetic,
pneumatic
platforms.
We
apply
our
understand
the
design
operation
of
multi-axial
soft
robotic
bioreactor
can
spatially
control
mesenchymal
stem
(MSC)
proliferation,
orientation,
differentiation
smooth
muscle,
extracellular
vascular
matrix
deposition.
find
MSC
proliferation
deposition
positively
stimulation
but
cannot
be
locally
patterned
by
robot
within
centimetre
scale
contrast,
local
stress
distribution
was
orientation
muscle
phenotypes,
where
MSCs
aligned
perpendicular
principal
direction
expressed
increased
α-SMA
increasing
3D
Von
Mises
Stresses
from
0
15
kPa.
Altogether,
new
biomechanical-histological
simulation
technique
derive
future
equations
engineer
generation.
Cell Death and Disease,
Journal Year:
2024,
Volume and Issue:
15(11)
Published: Nov. 11, 2024
Abstract
Atherosclerosis
imposes
a
heavy
burden
on
cardiovascular
health
due
to
its
indispensable
role
in
the
pathogenesis
of
disease
(CVD)
such
as
coronary
artery
and
heart
failure.
Ample
clinical
experimental
evidence
has
corroborated
vital
inflammation
pathophysiology
atherosclerosis.
Hence,
demand
for
preclinical
research
into
atherosclerotic
is
horizon.
Indeed,
acquisition
an
in-depth
knowledge
molecular
cellular
mechanisms
atherosclerosis
should
allow
us
identify
novel
therapeutic
targets
with
translational
merits.
In
this
review,
we
aimed
critically
discuss
speculate
recently
identified
Moreover,
delineated
various
signaling
cascades
proinflammatory
responses
macrophages
other
leukocytes
that
promote
plaque
end,
highlighted
potential
targets,
pros
cons
current
interventions,
well
anti-inflammatory
atheroprotective
mechanisms.
Biomedicine & Pharmacotherapy,
Journal Year:
2024,
Volume and Issue:
174, P. 116545 - 116545
Published: April 10, 2024
Cardiovascular
diseases
(CVDs)
are
the
leading
cause
of
mortality
worldwide.
Others
and
our
studies
have
shown
that
mechanical
stresses
(forces)
including
shear
stress
cyclic
stretch,
occur
in
various
pathological
conditions,
play
significant
roles
development
progression
CVDs.
Mitochondria
regulate
physiological
processes
cardiac
vascular
cells
mainly
through
adenosine
triphosphate
(ATP)
production,
calcium
flux
redox
control
while
promote
cell
death
electron
transport
complex
(ETC)
related
cellular
response.
Mounting
evidence
reveal
stress-induced
mitochondrial
dysfunction
plays
a
vital
role
pathogenesis
many
CVDs
heart
failure
atherosclerosis.
This
review
summarized
functions
cardiovascular
system
under
(graphical
abstract).
The
study
can
further
understanding
underlying
mechanisms,
identify
potential
therapeutic
targets,
aid
novel
treatments
Archives of Physiology and Biochemistry,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 12
Published: Jan. 2, 2025
This
study
explored
the
effects
of
melatonin
on
cardiac
and
vascular
function,
redox
homeostasis
in
model
PAH.
Male
Wistar
rats
were
divided
into:
control
(CTR),
monocrotaline
[MCT
(60
mg/kg,
single
dose
i.p)],
+
sildenafil
SIL
(50
mg/kg/day)],
MEL
(10
mg/kg/day)].
protocol
lasted
21
days.
Echocardiographic,
morphometric,
histological,
reactivity,
oxidative/nitrosative
stress
analyses
performed.
The
reduced
diastolic
function
AT/ET
ratio
MCT
group
partially
attenuated
by
treatment
(
Reviews in Cardiovascular Medicine,
Journal Year:
2025,
Volume and Issue:
26(3)
Published: March 18, 2025
Systolic
blood
pressure
time
in
target
range
(SBP
TTR)
is
a
novel
metric
for
control.
Previous
studies
have
demonstrated
an
inverse
association
between
SBP
TTR
and
risks
of
cardiovascular
events,
but
sex
differences
never
been
reported.
This
study
aims
to
investigate
the
sex-specific
relationship
using
data
from
Blood
Pressure
Intervention
Trial
(SPRINT).
post
hoc
analysis
included
8822
SPRINT
participants
with
at
least
three
follow-up
systolic
(SBP)
measurements
within
first
months.
was
calculated
Rosendaal
method
linear
interpolation.
The
primary
endpoint
major
adverse
cerebrovascular
events
(MACCE).
Cox
proportional
hazards
models
restricted
cubic
splines
(RCS)
were
used
assess
events.
Women
accounted
35.3%
mean
age
68.6
±
9.5
years,
having
higher
body
mass
index
(p
=
0.007)
lower
compared
men
<
0.001).
In
overall
population
women,
each
standard
deviation
(SD)
increase
associated
reduced
risk
MACCE
(adjusted
hazard
ratio
(HR)
0.89;
95%
confidence
interval
(CI)
0.82-0.97;
p
0.007,
adjusted
HR
0.85;
CI
0.74-0.99;
0.039,
respectively)
acute
decompensated
heart
failure
0.86;
0.73-0.99;
0.047,
0.68;
0.51-0.92;
0.011,
respectively),
while
this
not
observed
men.
RCS
indicated
similar
trend
only
when
exceeded
39%.
Additional
adjustments
variability
yielded
outcomes.
demonstrates
that
failure,
men,
higher,
underscoring
necessity
considering
personalized
management
strategies.
NCT01206062,
https://www.clinicaltrials.gov/expert-search?term=NCT01206062.
Journal of Applied Polymer Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 13, 2025
ABSTRACT
Cardiovascular
diseases
are
one
of
the
leading
causes
global
mortality.
Treatment
methods
such
as
bypass
graft
operations,
while
often
successful,
can
fail
in
cases
systemic
disease
or
compliance
mismatch.
Tissue
engineered
vascular
grafts
may
offer
a
potential
solution,
by
means
an
implantable
cell‐seeded
scaffold
that
integrate
into
site.
Modifications
to
cell
culture
environment,
through
physical
modification
structure,
culturing
cells
dynamic
fluidic
have
been
shown
alter
cellular
behavior.
Herein,
we
combine
these
two
approaches
incorporating
electrospun
polycaprolactone
scaffolds
consisting
smooth
and
modified
fiber
surface
topographies
within
series
novel
3D
printed
microfluidic
bioreactors.
The
bioreactors
successfully
maintained
viability
human
umbilical
vein
endothelial
over
24‐h
period,
with
static
dimpled
under
indicating
highest
viability.
An
increase
stiffness
hydrophilicity
is
also
noted
comparison
fibers.
These
results
indicate
both
bioreactor
system
capable
inducing
variations
response,
thus
warranting
further
investigation
for
advancement
tissue
engineering.
Reproductive health of woman,
Journal Year:
2024,
Volume and Issue:
1, P. 32 - 41
Published: March 1, 2024
The
objective:
to
investigate
serum
heat
shock
protein
70
(HSP70)
concentration
in
pregnant
women
with
chronic
hypertension
and
superimposed
preeclampsia.
To
assess
the
prospects
of
using
HSP70
as
a
preeclampsia
predictor.Materials
methods.
original
prospective
cohort
single-center
observational
study
included
105
34
healthy
control
group.
Serum
was
measured
via
enzyme-linked
immunosorbent
assay.
first
measurement
point
at
28
weeks
gestation,
second
36
case
absence
or
29-35
If
signs
appeared
later
than
weeks,
additional
not
performed.
Statistical
analysis
conducted
EZR
1.55
software.Results.
In
group
(105
hypertension),
after
delivery
30
patients
had
(superimposed
subgroup)
75
persons
no
(chronic
subgroup).
(34
women)
3
(preeclampsia
another
31
(healthy
subgroup).Serum
levels,
obtained
(28
weeks)
statistically
significantly
different
between
three
subgroups:
vs.
(p<0.01),
(p<0.0001),
(p<0.0001).Serum
concentrations
(36
preeclampsia)
also
significant
difference
for
each
pair
subgroups
(p<0.001).
Given
small
number
subgroup
(3
women),
it
calculations.No
levels
points
found
subgroup.
without
complications,
increased
compared
(p<0.0001).
Even
bigger
growth
occurred
joining
(p<0.0001).Conclusions.
data
suggest
an
corresponding
term.
Thus,
is
possible
assume
that
plays
role
pathogenesis.The
hypertension,
gestational
age
determined.
Therefore,
can
be
argued
has
influence
on
course
during
pregnancy.No
dependance
level
found.
increase
increasing
most
likely
due
progression
hypertensive
disorders
and/or
related
conditions.
highest
observed
addition
preeclampsia.The
use
only
predictor
effective,
given
its
non-specificity,
but
this
indicator
combination
other
markers
promising
requires
further
study.
Materials Today Bio,
Journal Year:
2024,
Volume and Issue:
27, P. 101121 - 101121
Published: June 13, 2024
Disturbed
flow
is
one
of
the
pathological
initiators
endothelial
dysfunction
in
intimal
hyperplasia
(IH)
which
commonly
seen
vascular
bypass
grafts,
and
arteriovenous
fistulas.
Various
vitro
disease
models
have
been
designed
to
simulate
hemodynamic
conditions
found
vasculature.
Nonetheless,
prior
investigations
encountered
challenges
establishing
a
robust
disturbed
model,
primarily
attributed
complex
bifurcated
geometries
distinctive
dynamics.
In
present
study,
we
aim
address
this
gap
by
introducing
an
model
capable
inducing
other
hemodynamics
patterns
through
pulsatile
same
model.
To
assess
model's
validity,
employed
computational
fluid
dynamics
(CFD)
compared
morphology
functions
human
umbilical
venous
cells
(HUVECs)
under
those
physiological
or
stagnant
conditions.
CFD
analysis
revealed
generation
within
pinpointing
specific
location
channel
where
effects
were
observed.
High-content
screening,
single-cell
morphological
profile
assessment,
demonstrated
that
HUVECs
area
exhibited
random
orientation,
features
significantly
distinct
condition
after
two
days
exposure.
Furthermore,
exposed
underwent
extensive
remodeling
adherens
junctions
expressed
higher
levels
cell
activation
markers
conclusion,
our
provides
platform
for
investigating
associations
between
pattern
diseases.