Molecular Pharmaceutics,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 1, 2024
Intracellular
copper
ion
homeostasis
has
become
an
attractive
target
for
cancer
therapy.
Herein,
we
report
a
2,2'-dipicolylamine
(DPA)
functionalized
polyglutamate
derivative
(PDHB)
which
is
capable
of
rapidly
forming
PDHB-copper
complex
(PDHB@Cu)
due
to
the
strong
coordination
ability
pendant
DPA
with
Cu
Phytomedicine,
Journal Year:
2025,
Volume and Issue:
140, P. 156624 - 156624
Published: March 6, 2025
Doxorubicin
(Dox)-induced
cardiomyopathy
(DIC)
is
characterized
by
severe
myocardial
damage
that
can
progress
to
dilated
and
potentially
lead
heart
failure.
No
effective
prevention
or
treatment
strategies
are
available
for
DIC.
Sauchinone,
a
diastereomeric
lignan
isolated
from
Saururus
chinensis,
known
its
notable
anti-inflammatory
effects.
However,
paucity
of
research
on
sauchinone
in
relation
disease
exists,
particularly
regarding
role
DIC,
which
remains
unclear.
This
study
aimed
assess
the
therapeutic
potential
alleviating
cardiac
injury
elucidate
molecular
mechanism
Male
C57BL/6J
mice
were
used
construct
chronic
acute
DIC
models
vivo.
The
administered
intragastrically
concurrently
with
first
injection
Dox
evaluate
effect
H9c2,
rat
cardiomyocyte
cell
line,
was
treated
various
concentrations
conjunction
protective
effects
vitro.
Supplementation
exogenous
mitigated
Dox-induced
atrophy,
fibrosis,
ventricular
remodeling,
while
preserving
function.
Sauchinone
reduced
abnormal
apoptosis
both
vitro
Additionally,
restored
mitochondrial
function
decreased
reactive
oxygen
species
levels,
may
be
attributed
activation
nuclear
factor
erythroid
2-related
2
(NRF2)
signaling,
thereby
attenuating
oxidative
damage.
Furthermore,
significantly
inhibited
NOD-like
receptor
thermal
protein
domain
associated
3
(NLRP3)
inflammasome
infiltration
inflammatory
factors,
stress
inhibiting
progression
NLRP3
agonist
nigericin
abolished
progression,
antagonist
MCC950
further
enhanced
beneficial
vivo
key
novel
finding
present
use
sauchinone,
effectively
limits
Specifically,
not
only
alleviates
but
also
delays
Mechanistically,
inactivation
NRF2-mediated
antioxidant
pathways
have
been
identified
as
two
critical
signaling
regulated
plays
vital
blocking
holds
promise
approach
cardiomyopathy.
Environmental Toxicology,
Journal Year:
2024,
Volume and Issue:
39(8), P. 4134 - 4147
Published: April 23, 2024
Doxorubicin
(DOX)
is
a
broad-spectrum
antibiotic
with
potent
anti-cancer
activity.
Nevertheless,
despite
having
effective
anti-neoplasm
activity,
its
use
has
been
clinically
restricted
due
to
life-threatening
side
effects,
such
as
cardiotoxicity.
It
evident
that
betaine
anti-oxidant,
and
anti-inflammatory
activity
several
beneficial
decreasing
the
amyloid-β
generation,
reducing
obesity,
improving
steatosis
fibrosis,
activating
AMP-activated
protein
kinase
(AMPK).
However,
whether
could
mitigate
DOX-induced
cardiomyopathy
still
unexplored.
Cardiomyopathy
was
induced
in
male
Sprague
Dawley
rats
using
DOX
(4
mg/kg
dose
cumulative
of
20
mg/kg,
i.p.).
Further,
(200
400
mg/kg)
co-treated
through
oral
gavage
for
28
days.
After
completion
study,
biochemical,
oxidative
stress
parameters,
histopathology,
western
blotting,
qRT-PCR
were
performed.
Betaine
treatment
significantly
reduced
CK-MB,
LDH,
SGOT,
triglyceride
levels,
which
are
associated
increased
also
mitigated
by
intervention
SOD,
catalase,
MDA,
nitrite
levels
restored.
The
histopathological
investigation
confirmed
cardioprotective
effect
against
tissue
injury
reversed.
molecular
analysis
revealed
suppressed
expression
phospho-p53,
phospho-p38
MAPK,
NF-kB
p65,
PINK
1
an
upregulation
AMPK
downregulation
Nrf2
expression.
Interestingly,
experiments
show
alleviates
increase
inflammatory
(TNF-α,
NLRP3,
IL-6)
fibrosis
(TGF-β
Acta2)
related
gene
expression,
halting
cardiac
injury.
improves
mRNA
Nrf2,
thus
modulating
antioxidant
proteins
preventing
damage.
Here,
we
provide
first
evidence
prevents
inhibiting
stress,
inflammation,
regulating
AMPK/Nrf2/TGF-β
We
believe
can
be
utilized
potential
novel
therapeutic
strategy
Biomedicine & Pharmacotherapy,
Journal Year:
2024,
Volume and Issue:
179, P. 117312 - 117312
Published: Aug. 20, 2024
Anthracyclines
are
broad-spectrum
anticancer
drugs,
but
their
clinical
use
is
limited
due
to
severe
cardiotoxicity.
Anthracycline-induced
cardiotoxicity
(AIC)
remains
a
significant
cause
of
heart
disease-related
mortality
in
many
cancer
survivors.
The
underlying
mechanisms
AIC
have
been
explored
over
the
past
few
decades.
Reactive
oxygen
species
and
drug-induced
inhibition
topoisomerase
II
beta
well-studied
mechanisms,
with
mitochondria
being
prominently
investigated
organelle.
Emerging
such
as
ferroptosis,
Ca
Current Issues in Molecular Biology,
Journal Year:
2025,
Volume and Issue:
47(4), P. 220 - 220
Published: March 25, 2025
Sleep
disorders
increase
the
risk
of
cardiovascular
diseases.
However,
underlying
mechanisms
remain
unclear.
This
study
aims
to
examine
critical
role
oxytocin
neurons
in
paraventricular
nucleus
(PVNOXT)
regulating
system
and
elucidate
potential
through
which
sleep
disturbance
may
contribute
In
this
study,
using
an
automated
deprivation
system,
mice
were
given
chronic
(cSD)
for
7
days,
6
h
per
day.
cSD
induced
blood
transcriptomic
alterations
accompanied
by
lower
heart
rate,
higher
pressure,
elevated
cardiac
autophagy/apoptosis.
Instant
optogenetic
activation
provoked
rate
suppression
normal
mice,
whereas
precipitated
intermittent
arrest.
On
contrary,
inhibition
PVNOXT
showed
no
influence
on
but
it
attenuated
cSD-induced
rise
pressure.
Long-term
low-frequency
stimulation
(LTF)
decreased
neuronal
excitability
release,
effectively
reversing
cSD-mediated
responses.
Mechanistically,
triggered
upregulation
blood-derived
3-mercaptopyruvate
sulfurtransferase
(mPST),
a
postsynaptic
activity
certain
extent.
The
quick
long-term
decrease
LTF
could
lead
feedback
mPST
expression
thus
reverse
Altogether,
modulation
mediate
abnormalities
without
affecting
mice.
Our
research
provided
targets
key
diseases
associated
with
disorders.
Journal of Advanced Research,
Journal Year:
2023,
Volume and Issue:
63, P. 117 - 128
Published: Oct. 7, 2023
Cardiac
hypertrophy
is
an
important
contributor
of
heart
failure,
and
the
mechanisms
remain
unclear.
Leucine
zipper
protein
1
(LUZP1)
essential
for
development
function
cardiovascular
system;
however,
its
role
in
cardiac
elusive.
Journal of Materials Chemistry B,
Journal Year:
2024,
Volume and Issue:
12(23), P. 5600 - 5608
Published: Jan. 1, 2024
The
dual
delivery
of
CO
and
DOX
using
HemoAct
is
a
promising
strategy
as
an
anti-tumour
agent
to
realise
well-tolerated
cancer
therapy
with
minimal
cardiotoxicity.
Chinese Medicine,
Journal Year:
2024,
Volume and Issue:
19(1)
Published: June 14, 2024
Abstract
Background
Liguzinediol
(Lig)
has
emerged
as
a
promising
candidate
for
mitigating
Doxorubicin
(DOX)-induced
cardiotoxicity,
significant
limitation
in
the
clinical
application
of
this
widely
used
antineoplastic
drug
known
its
efficacy.
This
study
aimed
to
explore
effects
and
potential
mechanisms
underlying
Lig’s
protective
role
against
DOX-induced
cardiotoxicity.
Methods
C57BL/6
mice
were
treated
with
DOX.
Cardiac
function
changes
observed
by
echocardiography.
structure
HE
Masson
staining.
Immunofluorescence
was
applied
visualize
cardiomyocyte
apoptosis.
Western
blotting
detect
expression
levels
AMP-activated
protein
kinase
(AMPK),
sirtuin
3
(SIRT3),
Caspase-3
gasdermin
E
N-terminal
fragment
(GSDME-N).
These
experiments
confirmed
that
Lig
had
an
ameliorative
effect
on
cardiotoxicity
mice.
Results
The
results
demonstrated
effectively
countered
myocardial
oxidative
stress
modulating
intracellular
reactive
oxygen
species
(ROS),
malondialdehyde
(MDA),
superoxide
dismutase
(SOD).
reduced
creatine
(CK)
lactate
dehydrogenase
(LDH),
while
ameliorating
histopathological
improving
electrocardiogram
profiles
vivo.
Furthermore,
revealed
activated
AMPK/SIRT3
pathway,
thereby
enhancing
mitochondrial
attenuating
cell
In
H9C2
cells
DOX,
co-administration
AMPK
inhibitor
compound
C
(CC)
led
increase
ROS
levels.
intervention
reversed
these
effects,
along
downregulation
GSDME-N,
interleukin-1β
(IL-1β),
interleukin-6
(IL-6),
suggesting
Caspase-3/GSDME-mediated
pyroptosis.
Conclusion
findings
suggest
alleviates
through
activation
presenting
itself
natural
product
therapeutic
preventing
DOX-associated
novel
approach
may
pave
way
development
alternative
strategies
management
cardiac
complications.
Redox Report,
Journal Year:
2024,
Volume and Issue:
30(1)
Published: Dec. 31, 2024
Inflammation
and
oxidative
damage
play
critical
roles
in
the
pathogenesis
of
sepsis-induced
cardiac
dysfunction.
Multiple
EGF-like
domains
9
(MEGF9)
is
essential
for
cell
homeostasis;
however,
its
role
mechanism
injury
impairment
remain
unclear.