Empagliflozin prevents heart failure through inhibition of the NHE1-NO pathway, independent of SGLT2
Sha Chen,
No information about this author
Qian Wang,
No information about this author
Diane Bakker
No information about this author
et al.
Basic Research in Cardiology,
Journal Year:
2024,
Volume and Issue:
119(5), P. 751 - 772
Published: July 24, 2024
Sodium
glucose
cotransporter
2
inhibitors
(SGLT2i)
constitute
the
only
medication
class
that
consistently
prevents
or
attenuates
human
heart
failure
(HF)
independent
of
ejection
fraction.
We
have
suggested
earlier
protective
mechanisms
SGLT2i
Empagliflozin
(EMPA)
are
mediated
through
reductions
in
sodium
hydrogen
exchanger
1
(NHE1)-nitric
oxide
(NO)
pathway,
SGLT2.
Here,
we
examined
role
SGLT2,
NHE1
and
NO
a
murine
TAC/DOCA
model
HF.
SGLT2
knockout
mice
showed
attenuated
systolic
dysfunction
without
having
an
effect
on
other
signs
EMPA
protected
against
diastolic
dysfunction,
hypertrophy,
fibrosis,
increased
Nppa/Nppb
mRNA
expression
lung/liver
edema.
In
addition,
prevented
increases
oxidative
stress,
calcium
calcium/calmodulin-dependent
protein
kinase
II
activation
to
equal
degree
WT
KO
animals.
particular,
while
activity
was
isolated
cardiomyocytes
from
untreated
HF,
treatment
this.
Since
is
not
required
for
effects
EMPA,
pathway
between
further
explored
vivo
with
specific
NHE1-inhibitor
Cariporide
mimicked
protection
by
additional
EMPA.
On
hand,
inhibition
NOS
L-NAME
deteriorated
HF
conclusion,
data
support
beneficial
NHE1-NO
TAC/DOCA-induced
inhibition.
Language: Английский
Cardiac MRI Strain as an Early Indicator of Myocardial Dysfunction in Hypertrophic Cardiomyopathy
Siqin Liu,
No information about this author
Oumaima Laghzali,
No information about this author
Shahriar Shalikar
No information about this author
et al.
International Journal of Molecular Sciences,
Journal Year:
2025,
Volume and Issue:
26(4), P. 1407 - 1407
Published: Feb. 7, 2025
Hypertrophic
cardiomyopathy
(HCM)
is
often
characterized
by
augmented
cardiac
contractility,
which
frequently
remains
undetectable
in
its
early
stages.
Emerging
evidence
suggests
that
hypercontractility
linked
to
mitochondrial
defects
develop
HCM
progression.
However,
imaging
markers
for
identifying
these
alterations
myocardial
function
are
lacking.
We
used
magnetic
resonance
feature
tracking
(CMR-FT)
assess
strain
a
Mybpc3-knockin
(KI)
mouse
model
mimicked
human
HCM.
While
homozygous
(HOM)
mice
exhibited
hypertrophy,
heterozygous
(HET)
represented
an
early,
asymptomatic
stage
of
To
explore
contributions
hypercontractility,
we
evaluated
integrity
via
scanning
electron
microscopy
(SEM)
and
correlated
findings
with
abnormalities.
Young
HET
female,
but
not
male
significant
torsion
abnormalities
(p
=
0.02),
reduced
left
ventricular
global
longitudinal
(LVGLS,
p
0.009),
impaired
right
(RVGLS,
0.035)
compared
the
controls.
Strain
strongly
morphological
alterations,
including
changes
volume
area
distribution
(R
>
0.7).
Abnormal
patterns,
GLS,
serve
as
closely
associated
underlying
dysfunction.
The
Mybpc3-KI
provides
important
insights
into
initial
stages
progression,
highlighting
sex-specific
differences
enhance
diagnosis
therapeutic
strategies.
Language: Английский
Single-nucleus RNA sequencing identifies cell-type–specific effects of sodium-glucose co-transporter 2 inhibitors in human myocardial slices
European Heart Journal,
Journal Year:
2024,
Volume and Issue:
45(35), P. 3292 - 3295
Published: July 31, 2024
Language: Английский
Advances in the study and treatment of genetic cardiomyopathies
Cell,
Journal Year:
2025,
Volume and Issue:
188(4), P. 901 - 918
Published: Feb. 1, 2025
Language: Английский
Characteristics and pharmacological responsiveness in hiPSC models of inherited cardiomyopathy
Pharmacology & Therapeutics,
Journal Year:
2025,
Volume and Issue:
unknown, P. 108845 - 108845
Published: April 1, 2025
Inherited
cardiomyopathies
are
a
major
cause
of
heart
failure
in
all
age
groups,
often
with
an
onset
adolescence
or
early
adult
life.
More
than
thousand
variants
approximately
one
hundred
genes
associated
cardiomyopathies.
Interestingly,
many
genetic
display
overlapping
phenotypical
defects
patients,
despite
the
diversity
initial
pathogenic
variants.
Understanding
how
underlying
pathophysiology
leads
to
these
phenotypes,
will
improve
insights
into
patient's
disease
course
and
creates
opportunity
for
conceiving
treatment
strategies.
Moreover,
therapeutic
strategies
can
be
used
treat
multiple
based
on
shared
phenotypes.
Human
induced
pluripotent
stem
cell-derived
cardiomyocytes
(hiPSC-CMs)
offer
reliable,
high-throughput
models
studying
molecular
cellular
characteristics
hereditary
hiPSC-CMs
produced
relatively
easily,
either
by
directly
originating
them
from
introducing
patient-specific
healthy
lines.
This
review
evaluates
90
studies
24
cardiomyopathy-associated
systematically
summarises
morphological
functional
phenotypes
observed
hiPSC-CMs.
Additionally,
applied
cardiomyopathic
compiled
scored
effectiveness.
Multiple
phenotypic
were
identified
different
variants,
whereas
certain
only
specific
Based
findings,
common
mechanisms,
prospects,
considerations
future
research
discussed
aim
clinical
translation
patients.
Language: Английский
Advancements in the Diagnosis and Treatment of Hypertrophic Cardiomyopathy
妞妞 牟
No information about this author
Advances in Clinical Medicine,
Journal Year:
2025,
Volume and Issue:
15(03), P. 108 - 115
Published: Jan. 1, 2025
Language: Английский
Dapagliflozin and atrial fibrillation: elevated dosing to achieve class I antiarrhythmic effects?
Basic Research in Cardiology,
Journal Year:
2024,
Volume and Issue:
119(3), P. 505 - 507
Published: April 3, 2024
Language: Английский
Obese or lean: Whom to prescribe sodium–glucose cotransporter 2 inhibitors in heart failure with preserved ejection fraction?
European Journal of Heart Failure,
Journal Year:
2024,
Volume and Issue:
26(4), P. 910 - 911
Published: April 1, 2024
Language: Английский
Sodium–glucose cotransporter-2 inhibitors and clinical outcomes in patients with hypertrophic cardiomyopathy and diabetes: A population-based cohort study
European Journal of Preventive Cardiology,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 22, 2024
Hypertrophic
cardiomyopathy
(HCM)
is
associated
with
a
significant
risk
of
arrhythmia
and
heart
failure
(HF),
yet
treatment
options
for
patients
HCM
have
remained
limited.
We
aimed
to
investigate
the
relationship
between
sodium-glucose
cotransporter-2
inhibitor
(SGLT2i)
use
clinical
outcomes
among
concurrent
diabetes
in
real-world
settings.
Language: Английский