medRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Nov. 22, 2023
A
bstract
Pulmonary
hypertension
(PH)
is
a
pathological
condition
that
affects
approximately
1%
of
the
population.
The
prognosis
for
many
patients
poor,
even
after
treatment.
Our
knowledge
about
pathophysiological
mechanisms
cause
or
are
involved
in
progression
PH
incomplete.
Additionally,
mechanism
action
drugs
used
to
treat
pulmonary
hypertension,
including
sotatercept,
requires
elucidation.
Using
our
graph-powered
mining
software
Lifelike
combination
with
very
small
patient
metabolite
data
set,
we
demonstrate
how
derive
detailed
mechanistic
hypotheses
on
pathophysiology
and
clinical
drugs.
In
patients,
concentration
hypoxanthine,
12(S)-HETE,
glutamic
acid,
sphingosine
1
phosphate
significantly
higher,
while
L-arginine
L-histidine
lower
than
healthy
controls.
graph-based
analysis,
gene
ontology,
semantic
association
capabilities
,
led
us
connect
differentially
expressed
metabolites
G-protein
signaling
SRC.
Then,
associated
SRC
IL6
signaling.
Subsequently,
found
associations
SRC,
Activin
BMP
Lastly,
analyzed
several
existing
novel
pharmacological
treatments
PH.
elucidated
interplay
between
G-protein,
interleukin
6,
activin,
Those
pathways
regulate
hallmark
processes
PH,
vasoconstriction,
endothelial
barrier
function,
cell
proliferation,
apoptosis.
results
highlight
importance
ERK1,
AKT,
MLC
activity
molecular
affected
by
also
converge
these
molecules.
Importantly,
sotatercept
simultaneously.
present
study
shows
power
graphs
using
’s
diverse
set
analytics
functionalities
developing
knowledge-driven
drug
their
interactions.
We
believe
presented
approach
will
be
valuable
future
studies
other
diseases,
Medicine and ecology,
Journal Year:
2025,
Volume and Issue:
4, P. 68 - 76
Published: Jan. 22, 2025
Introduction
.
Idiopathic
pulmonary
arterial
hypertension
(IPAH)
is
a
subtype
of
(PAH).
IPAH
characterized
by
progressive
increase
in
vascular
resistance
(PVR),
which
can
lead
to
right
ventricular
heart
failure
and
even
mortality.
The
aim
was
study
the
levels
C-reactive
protein
(CRP),
endothelin-1
(ET-1)
interleukin-6
(IL-6)
patients
with
IPAH,
as
well
assess
their
relationship
clinical
hemodynamic
parameters.
Materials
methods
Expression
CRP,
ET-1
IL-6
blood
serum
samples
(n=53)
control
group
(n=52)
appropriate
age/gender
determined
using
enzyme
immunoassay
(ELISA).
Demographic,
characteristics
parameters
were
studied
according
catheterization
(CRH).
Result
discussion
average
age
range
35.0-51.0
years,
there
46
(86.8%)
women
this
group.
participants
31.0-42.0
(88.5%)
women.
(p
<
.016)
.001)
higher
compared
group,
whereas
level
CRP
=
.270)
no
different.
Meanwhile,
positively
correlated
pressure
atrium
(r
.728,
p
.360,
.008),
while
functional
class
classification
New
York
Heart
Association
(NYHA
FC).
Conclusion
Levels
be
included
diagnostic
algorithm
for
assessing
severity
prognosis
disease.
Circulation Reports,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 21, 2025
Depression
and
anxiety
screening
has
not
been
adequately
examined
in
patients
with
pulmonary
hypertension
(PH).
We
assessed
depression
prevalence
their
determinants
arterial
(PAH)
chronic
thromboembolic
PH
(CTEPH).
This
cross-sectional
study
included
234
(age
57
[42-68]
years;
75%
female;
PAH/CTEPH/other:
103/126/5).
Overall,
24%
26%
of
had
(Hospital
Anxiety
Scale
[HADS]-depression
score
≥8)
(HADS-anxiety
respectively.
was
18%
19%
PAH
27%
30%
CTEPH,
Among
PAH,
significantly
associated
higher
mean
right
atrial
pressure
(odds
ratio
[OR]
1.17;
95%
confidence
interval
[CI]
1.03-1.32;
P=0.013),
vascular
resistance
(OR
1.08;
CI
1.01-1.16;
P=0.034),
lower
oxygen
saturation
0.89;
0.80-0.98;
P=0.021),
artery
0.93;
0.87-0.99;
P=0.020),
reduced
use
phosphodiesterase-5
inhibitor
0.30;
0.11-0.86;
P=0.025).
In
the
presence
a
psychiatric
disorder
4.71;
1.24-17.90;
P=0.023).
any
aforementioned
parameters
CTEPH.
Predicting
based
on
disease
severity
hemodynamics
challenging,
making
individual
assessments
approaches
crucial.
Research Square (Research Square),
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 17, 2025
Abstract
Background
The
effect
of
balloon
pulmonary
angioplasty
(BPA)
for
hemodynamics
in
chronic
thromboembolic
hypertension
(CTEPH),
assessed
using
time-resolved
three-dimensional
cine
phase-contrast
cardiac
magnetic
resonance
(4D
flow
CMR),
remains
unclear.
Therefore,
the
present
study
aimed
to
investigate
hemodynamic
features
artery
(PA)
before
and
after
BPA
diagnostic
performance
4D
CMR-derived
predict
achievement
mean
PA
pressure
(mPAP)
<
30
mmHg
BPA.
Methods
Twenty-one
patients
with
CTEPH
who
underwent
CMR
were
retrospectively
enrolled.
Regarding
CMR,
analysis
included
peak
volume
velocity
at
main
systolic
wall
shear
stress
(WSS).
Results
Peak
(262.8
±
52.3
mm/s
vs.
298.5
68.3
mm/s,
p
=
0.015)
WSS
(0.61
0.14
Pa
0.76
0.20
Pa,
0.002)
both
increased
compared
their
values
Receiver
operating
characteristic
was
performed
mPAP
≥
based
on
revealed
an
area
under
curve
0.926
(p
0.001)
(sensitivity,
0.765;
specificity
0.750;
cut-off,
251
mm/s)
1.00
1.00;
specificity,
0.48
Pa).
Conclusions
Based
results,
imaging
showed
improvement
Furthermore,
useful
metrics
predicting
catheter-based
goal
a
better
prognosis.
Biomedicines,
Journal Year:
2025,
Volume and Issue:
13(4), P. 856 - 856
Published: April 2, 2025
Background/Objectives:
Pulmonary
hypertension
is
a
progressive
disease
leading
to
right
heart
failure.
One
treatment
strategy
induce
vasodilation
via
the
nitric
oxide–soluble
guanylate
cyclase–cyclic
guanosine
monophosphate
(NO–sGC–cGMP)
signaling
pathway.
There
are
currently
two
soluble
cyclase
stimulators
on
market:
Riociguat
and
vericiguat,
with
vericiguat
having
longer
half-life
needing
be
taken
only
once
day.
This
study
investigated
whether
pharmacological
differences
between
drugs
affect
pulmonary
vessels
airways.
Methods:
The
effects
of
riociguat
arteries,
veins,
airways
were
studied
using
rat
precision-cut
lung
slices
(PCLS).
Vessels
pretreated
endothelin-1
serotonin.
In
isolated
perfused
lungs
(IPL),
sGC
stimulation
artery
pressure
(PAP),
airway
resistance,
inflammatory
cytokine,
chemokine
release
quantified.
Results:
caused
dilation
in
PCLS.
During
IPL,
was
more
effective
than
reducing
PAP
statistically
significant
reduction
10%.
Both
potent
bronchodilators
preconstricted
(p
<
0.001).
Only
reduced
resistance
during
as
shown
here
for
first
time.
significantly
IL-6
IL-1ß
levels,
while
also
VEGF-A
KC-GRO
levels.
Conclusions:
had
three
main
ex-vivo
models:
They
dilated
induced
bronchodilation,
inflammation.
These
properties
could
make
useful
treating
diseases
associated
endothelial
dysfunction.
future,
may
provide
an
alternative
bronchodilation
respiratory
diseases.
Aging,
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 8, 2024
The
specific
mechanism
of
4-hydroxysesamin
(4-HS),
a
modification
Sesamin,
on
right
ventricular
failure
due
to
pulmonary
hypertension
(PH)
is
ominous.
By
creating
rat
model
PH
in
vivo
and
artery
smooth
muscle
cell
(PASMC)
hypoxia
inflammation
vitro,
the
current
work
aimed
investigate
depth
molecular
protective
effect
4-HS.
In
an
vitro
PASMC,
changes
proliferation
inflammatory
factors
were
detected
after
treatment
with
4-HS,
followed
by
JNK/p38
MAPK
signaling
pathway
as
Western
blot
pathway.
findings
demonstrated
that
4-HS
was
able
minimize
PASMC
death,
block
pathway,
resist
promoting
proliferation.
Following
that,
we
found
could
both
mitigate
damage
brought
MCT
had
impact
rats
Monocrotaline
(MCT)-induced
investigations.
key
finding
this
study
may
protect
against
inhibiting