The Egyptian Heart Journal,
Год журнала:
2025,
Номер
77(1)
Опубликована: Март 10, 2025
Abstract
Background
Cardiomyopathy
is
a
heterogeneous
group
of
myocardial
disorders
characterized
by
structural
and
functional
abnormalities
the
heart
muscle.
It
classified
into
primary
(genetic,
mixed,
or
acquired)
secondary
categories,
resulting
in
various
phenotypes
including
dilated,
hypertrophic,
restrictive
patterns.
Hypertrophic
cardiomyopathy,
most
common
form,
can
cause
exertional
dyspnea,
presyncope,
sudden
cardiac
death.
Dilated
cardiomyopathy
typically
presents
with
failure
symptoms,
while
rarer
often
associated
systemic
diseases.
Diagnosis
involves
comprehensive
evaluation
history,
physical
examination,
electrocardiography,
echocardiography.
Treatment
options
range
from
pharmacotherapy
lifestyle
modifications
to
implantable
cardioverter-defibrillators
transplantation
refractory
cases.
Main
body
Anthracyclines,
particularly
doxorubicin,
have
emerged
as
crucial
components
cancer
treatment,
demonstrating
significant
antitumor
activity
across
malignancies.
These
drugs
become
standard
numerous
chemotherapy
regimens,
improving
patient
outcomes.
However,
their
use
severe
cardiotoxicity,
failure.
The
mechanisms
anthracycline
action
toxicity
are
complex,
involving
DNA
damage,
iron-mediated
free
radical
production,
disruption
cardiovascular
homeostasis.
Doxorubicin-induced
(DIC)
complication
treatment
poor
prognosis
limited
effective
treatments.
pathophysiology
DIC
multiple
mechanisms,
oxidative
stress,
inflammation,
mitochondrial
calcium
homeostasis
disorder.
Despite
extensive
research,
no
for
established
currently
available.
Dexrazoxane
only
FDA-approved
protective
agent,
but
it
has
limitations.
Recent
studies
explored
potential
therapeutic
approaches,
natural
drugs,
endogenous
substances,
new
dosage
forms,
herbal
medicines.
lack
experimental
models
incorporating
pre-existing
limits
understanding
efficacy.
Conclusion
Cardiomyopathy,
whether
secondary,
poses
clinical
challenge
due
its
varying
etiologies
advanced
stages.
Anthracycline-induced
chemotherapy,
doxorubicin
being
notable
contributor.
advancements
therapies,
cardiotoxic
effects
anthracyclines
necessitate
further
investigation
preventive
strategies
interventions
improve
Molecules,
Год журнала:
2023,
Номер
28(11), С. 4294 - 4294
Опубликована: Май 24, 2023
Doxorubicin
(Dox)
is
one
of
the
most
frequently
used
chemotherapeutic
drugs
in
a
variety
cancers,
but
Dox-induced
cardiotoxicity
diminishes
its
therapeutic
efficacy.
The
underlying
mechanisms
are
still
not
fully
understood.
More
significantly,
there
no
established
guidelines
for
cardiotoxicity.
To
date,
cardiac
inflammation
widely
considered
as
involved
Toll-like
receptor
4
(TLR4)
signaling
pathway
plays
key
role
inflammation,
and
growing
evidence
reports
that
TLR4-induced
strongly
linked
to
In
this
review,
we
outline
address
all
available
demonstrating
involvement
TLR4
different
models
This
review
also
discusses
effect
on
Understanding
might
be
beneficial
developing
potential
strategy
Cardiovascular Diagnosis and Therapy,
Год журнала:
2024,
Номер
14(1), С. 84 - 100
Опубликована: Фев. 1, 2024
Background:
Nicotinamide
adenine
dinucleotide
phosphate
oxidase
4
(NOX4)-mediated
reactive
oxygen
species
(ROS)
has
been
reported
to
induce
cardiomyocyte
apoptosis,
but
its
effect
on
pyroptosis
of
cardiomyocytes
rarely
reported.
This
paper
aimed
explore
the
effects
NOX4-mediated
ROS
production
doxorubicin
(DOX)-induced
myocardial
injury
and
through
nucleotide-binding
oligomerization
domain-like
receptor
protein
3
(NLRP3)
inflammasome.
Methods:
HL-1
cells
were
treated
with
DOX
or
mice
(30
divided
into
five
groups
six
mice/group)
underwent
intraperitoneal
injection
(5
mg/kg,
once
a
week,
times)
injury,
followed
by
assessment
NOX4
NLRP3
expression
in
cell
supernatant
tissues.
In
cells,
proliferation
was
tested
MTT
assay
activity
probes.
The
superoxide
dismutase
(SOD)
activity,
malondialdehyde
(MDA)
content,
glutathione
(GSH)
evaluated
kits.
proteins
assessed
western
blotting.
Subsequently,
altered
determine
pyroptosis.
animal
models
utilized
evaluate
changes
cardiac
function
using
an
echocardiographic
system,
these
parameters
measured
including
left
ventricular
ejection
fraction
(LVEF),
fractional
shortening
(LVFS),
end-diastolic
diameter
(LVEDD).
Furthermore,
content
markers
determined
mice.
Results:
treatment
led
pyroptosis,
as
evidenced
weakened
LVEF,
LVFS,
(P<0.05),
elevated
LVEDD,
ROS,
MDA
increased
decreased
SOD
GSH
(P<0.05).
Additionally,
highly-expressed
(P<0.05)
DOX-induced
overexpression
intensified
levels
aggravate
which
reversed
scavenger
N-acetyl-cysteine.
it
revealed
that
combination
short
hairpin
RNA
(sh)-NOX4
overexpressed
(oe)-NLRP3
cardioprotective
sh-NOX4
tissue
vitro
vivo.
No
died
during
experiments,
only
two
ruled
out
due
weight
loss
greater
than
20%.
Conclusions:
activated
inflammasome,
thereby
aggravating
International Journal of Molecular Sciences,
Год журнала:
2023,
Номер
24(8), С. 7573 - 7573
Опубликована: Апрель 20, 2023
This
study
aimed
to
evaluate
if
Simvastatin
can
reduce,
and/or
prevent,
Doxorubicin
(Doxo)-induced
cardiotoxicity.
H9c2
cells
were
treated
with
(10
µM)
for
4
h
and
then
Doxo
(1
was
added,
the
effects
on
oxidative
stress,
calcium
homeostasis,
apoptosis
evaluated
after
20
h.
Furthermore,
we
of
co-treatment
Connexin
43
(Cx43)
expression
localization,
since
this
transmembrane
protein
forming
gap
junctions
is
widely
involved
in
cardioprotection.
Cytofluorimetric
analysis
showed
that
significantly
reduced
Doxo-induced
cytosolic
mitochondrial
ROS
overproduction,
apoptosis,
cytochrome
c
release.
Spectrofluorimetric
performed
by
means
Fura2
levels
stored
mitochondria
restored
storage.
Western
blot,
immunofluorescence,
cytofluorimetric
analyses
Cx43
over-expression
increased
membrane
phosphorylated
Ser368.
We
hypothesized
could
justify
consequent
induction
observed
co-treated
cells.
Moreover,
Ser368,
which
responsible
closed
conformational
state
junction,
let
us
hypothesize
leads
cell-to-cell
communication
interruption
block
propagation
harmful
stimuli.
Based
these
results,
conclude
be
a
good
adjuvant
anticancer
therapy.
Indeed,
confirmed
its
antioxidant
antiapoptotic
activity,
and,
above
all,
highlighted
interferes
cellular
localization
Molecules,
Год журнала:
2023,
Номер
28(7), С. 3004 - 3004
Опубликована: Март 28, 2023
Anthracycline
doxorubicin
(DOX)
is
still
widely
used
as
a
chemotherapeutic
drug
for
some
solid
tumors.
Although
DOX
highly
effective,
its
side
effects
are
limiting
factors,
such
cardio,
nephro
and
hepatotoxicity.
As
such,
approaches
to
mitigate
these
adverse
encouraged.
Omega
3
(ω-3),
which
class
of
long-chain
polyunsaturated
fatty
acids,
has
been
shown
have
anti-inflammatory
antioxidant
in
preclinical
bioassays.
Thus,
we
evaluated
the
protective
ω-3
supplementation
on
hepatotoxicity
nephrotoxicity
induced
by
multiple
administrations
rodents.
Male
Wistar
rats
(10
rats/group)
were
treated
daily
with
(400
mg/kg/day)
gavage
six
weeks.
Two
weeks
after
first
administration,
received
(3.5
mg/kg,
intraperitoneal,
1×/week)
four
treatment
reduced
body
weight
gain
increased
systemic
genotoxicity
caused
liver-related
(increase
serum
ALT
levels,
thickness
Glisson's
capsule,
compensatory
proliferation
p65
levels)
kidney-related
urea
creatinine
incidence
tubular
dilatation)
deleterious
outcomes.
In
contrast,
was
safe
abrogated
DOX-related
enhancement
genotoxicity,
levels.
Furthermore,
intervention
50%
kidney
histological
lesions
while
reducing
40-50%
protein
level,
proliferative
response
liver
DOX.
Our
findings
indicate
that
attenuated
DOX-induced
kidney.
Therefore,
our
may
inspire
future
mechanistical
investigations
clinical
interventions
reported
Cardiovascular Research,
Год журнала:
2024,
Номер
120(3), С. 286 - 300
Опубликована: Янв. 25, 2024
Abstract
Aims
Doxorubicin
(DXR)
is
a
chemotherapeutic
agent
that
causes
dose-dependent
cardiotoxicity.
Recently,
it
has
been
proposed
the
NADase
CD38
may
play
role
in
doxorubicin-induced
cardiotoxicity
(DIC).
main
NAD+-catabolizing
enzyme
mammalian
tissues.
Interestingly,
heart,
mostly
expressed
as
an
ecto-enzyme
can
be
targeted
by
specific
inhibitory
antibodies.
The
goal
of
present
study
to
characterize
ecto-enzymatic
activity
cardiac
metabolism
and
development
DIC.
Methods
results
Using
both
transgenic
animal
model
non-cytotoxic
enzymatic
anti-CD38
antibody,
we
investigated
its
ecto-NADase
DIC
pre-clinical
models.
First,
observed
was
prevented
catalytically
inactive
(CD38-CI)
mice.
Both
left
ventricular
systolic
function
exercise
capacity
were
decreased
wild-type
but
not
CD38-CI
mice
treated
with
DXR.
Second,
blocking
CD38-NADase
antibody
68
(Ab68)
likewise
protected
against
DXR-related
mortality
50%.
A
reduction
DXR-induced
mitochondrial
dysfunction,
energy
deficiency,
inflammation
gene
expression
identified
mechanisms
mediating
protective
effects.
Conclusion
NAD+-preserving
strategies
inactivation
via
genetic
or
pharmacological-based
approach
improve
energetics
reduce
dysfunction
otherwise
seen
acute
DXR
model.
Journal of Nanobiotechnology,
Год журнала:
2024,
Номер
22(1)
Опубликована: Сен. 2, 2024
Ferroptosis,
triggered
by
iron
overload
and
excessive
lipid
peroxidation,
plays
a
pivotal
role
in
the
progression
of
DOX-induced
cardiomyopathy
(DIC),
thus
limits
use
doxorubicin
(DOX)
clinic.
Here,
we
further
showed
that
cardiac
ferroptosis
induced
DOX
mice
was
attributed
to
up-regulation
Hmox1,
as
knockdown
Hmox1
effectively
inhibited
cardiomyocyte
ferroptosis.
To
targeted
delivery
siRNA
into
cardiomyocytes,
siRNA-encapsulated
exosomes
were
injected
followed
ultrasound
microbubble
destruction
(UTMD)
heart
region.
UTMD
greatly
facilitated
exosome
heart.
Consistently,
assisted
exosomal
siHomox1
nearly
blocked
subsequent
cardiotoxicity
doxorubicin.
In
summary,
our
findings
reveal
upregulation
HMOX1
induces
cardiomyocytes
UTMD-assisted
siHmox1
can
be
used
potential
therapeutic
strategy
for
DIC.
Journal of Nanobiotechnology,
Год журнала:
2025,
Номер
23(1)
Опубликована: Янв. 29, 2025
Overproduction
of
reactive
oxygen
species
(ROS),
elevated
synovial
inflammation,
hyperplasia
and
fibrosis
are
the
main
characteristic
microenvironment
in
rheumatoid
arthritis
(RA).
Macrophages
fibroblast-like
synoviocytes
(FLSs)
play
crucial
roles
progression
RA.
Hence,
synergistic
combination
ROS
scavenging,
macrophage
polarization
from
pro-inflammatory
M1
phenotype
towards
M2
anti-inflammatory
phenotype,
restoring
homeostasis
FLSs
will
provide
a
promising
therapeutic
strategy
for
In
this
study,
we
successfully
synthesized
metformin-derived
carbon
dots
(MCDs),
investigated
antirheumatic
effect
vivo
vitro.
Designed
MCDs
could
target
inflamed
cells
accumulate
at
inflammatory
joints
collagen-induced
(CIA)
rats.
investigation
suggested
that
reduced
inflammation
hyperplasia,
ultimately
prevented
cartilage
destruction,
bone
erosion,
CIA
addition,
eliminated
cellular
macrophages
RA
through
enzyme-like
catalytic
activity
as
well
inhibiting
NOD-like
receptor
family,
pyrin
domain
containing
3
(NLRP3)
inflammasome
signaling
pathway,
effectively
polarizing
them
into
to
realize
effect.
Furthermore,
inhibit
proliferation,
migration,
FLSs.
Mechanistically,
restored
while
reducing
level
by
blocking
IL-6/gp130
pathway.
Combined
with
preferable
biocompatibility,
offer
prospective
treatment
approach