European journal of medical research,
Journal Year:
2024,
Volume and Issue:
29(1)
Published: Nov. 1, 2024
Sepsis-induced
myocardial
injury
(SIMI)
is
a
severe
complication
of
sepsis,
contributing
significantly
to
mortality.
Mitochondrial
dysfunction
and
dysregulated
autophagy
are
implicated
in
SIMI
pathogenesis.
Long
non-coding
RNA
MALAT1
has
been
associated
with
various
diseases,
including
but
its
role
remains
unclear.
Cell Biochemistry and Function,
Journal Year:
2024,
Volume and Issue:
42(1)
Published: Jan. 1, 2024
Abstract
In
recent
years,
the
application
of
engineering
nanomaterials
has
significantly
contributed
to
development
various
biomedical
fields.
Zinc
oxide
(ZnO
NMts)
have
gained
wide
popularity
due
their
biocompatibility,
unique
physical
and
chemical
properties,
stability,
cost‐effectiveness
for
large‐scale
production.
They
emerged
as
potential
materials
anticancer
applications.
This
article
provides
a
comprehensive
review
synthesis
methods
ZnO
NMts
highlights
advantages
combining
with
drugs
nano
platform
cancer
treatment.
Additionally,
briefly
explains
mechanism
action
in
tumor
cells,
focusing
on
mitochondrial
pathways
that
target
cell
apoptosis
autophagy.
It
is
observed
these
are
primarily
influenced
by
reactive
oxygen
species
generated
through
oxidative
stress.
The
discusses
promising
prospects
combined
field
medicine
emphasizes
need
further
in‐depth
research
autophagy
pathways.
Aging,
Journal Year:
2023,
Volume and Issue:
15(10), P. 4374 - 4390
Published: May 22, 2023
Objective:
Apoptosis
and
autophagy
are
significant
factors
of
sepsis
induced
myocardial
injury
(SIMI).
XBJ
improves
SIMI
by
PI3K/AKT/mTOR
pathway.
Present
study
is
devised
to
explore
the
protective
mechanism
in
continuous
treatment
caused
CLP.
Methods:
Rat
survival
was
first
recorded
within
7
days.
Rats
were
randomly
assigned
three
groups:
Sham
group,
CLP
group.
The
animals
each
group
divided
into
12
h
1
d,
2
3
d
5
according
administration
time
hours,
day,
days,
days
or
respectively.
Echocardiography,
markers
H&E
staining
used
detect
cardiac
function
injury.
IL-1β,
IL-6
TNF-α
serum
measured
using
ELISA
kits.
Cardiomyocyte
apoptosis
assayed
TUNEL
staining.
related
proteins
regulated
signaling
pathway
tested
western
blot.
Results:
increased
rate
CLP-induced
septic
Rat.
First
all,
results
echocardiography,
(cTnI,
CK,
LDH
levels)
showed
that
could
effectively
improve
with
increase
time.
Moreover,
significantly
decreased
levels
inflammatory
cytokines
rats.
Meanwhile,
downregulated
expression
apoptosis-related
Bax,
Cleaved-Caspase
3,
9,
Cytochrome
C
Cleaved-PARP,
while
upregulated
protein
Bcl-2
And,
Beclin-1
LC3-II/LC3-I
ratio
rats,
whereas
P62.
Finally,
phosphorylation
PI3K,
AKT
mTOR
Conclusions:
Our
has
a
good
effect
on
after
treatment,
it
speculated
might
be
through
inhibiting
promoting
via,
at
least
partially,
activating
early
stage
sepsis,
as
well
via
suppressing
late
sepsis.
Aging,
Journal Year:
2024,
Volume and Issue:
unknown
Published: April 19, 2024
Aims:
This
study
aimed
to
evaluate
the
effects
of
VC
on
SIMI
in
rats.
Methods:
In
this
study,
survival
rate
high
dose
for
was
evaluated
within
7
days.
Rats
were
randomly
assigned
three
groups:
Sham
group,
CLP
and
(500
mg/kg
i.v.)
group.
The
animals
each
group
treated
with
drugs
1
day,
3
days
or
5
days,
respectively.
Echocardiography,
myocardial
enzymes
HE
used
detect
cardiac
function.
IL-1β,
IL-6,
IL-10
TNF-α)
serum
measured
using
ELISA
kits.
Western
blot
proteins
related
apoptosis,
inflammation,
autophagy,
MAPK,
NF-κB
PI3K/Akt/mTOR
signaling
pathways.
Results:
High
improved
staining
showed
that
high-dose
relieved
rats
a
time-dependent
manner.
And
compared
decreased
expressions
pro-apoptotic
proteins,
while
increased
expression
anti-apoptotic
protein.
phosphorylation
levels
Erk1/2,
P38,
JNK,
IKK
α/β
protein
Beclin-1
LC3-II/LC3-I
ratio,
whereas
P62
Finally,
attenuated
PI3K,
AKT
mTOR
Significance:
Our
results
has
good
protective
effect
after
continuous
treatment,
which
may
be
mediated
by
inhibiting
apoptosis
inflammatory,
promoting
autophagy
through
regulating
PI3K/AKT/mTOR
pathway.
Aging,
Journal Year:
2023,
Volume and Issue:
15(16), P. 8501 - 8517
Published: Aug. 30, 2023
Objective:
Compelling
evidence
has
demonstrated
that
Xuebijing
(XBJ)
exerted
protective
effects
against
SIMI.
The
aims
of
this
study
were
to
investigate
whether
TLR4/IKKα-mediated
NF-κB
and
JAK2/STAT3
pathways
involved
in
XBJ's
cardio-protection
during
sepsis
the
mechanisms.
Methods:
In
study,
rats
randomly
assigned
three
groups:
Sham
group;
CLP
XBJ
group.
Rats
treated
with
or
sanitary
saline
after
CLP.
Echocardiography,
myocardial
enzymes
HE
used
detect
cardiac
function.
IL-1β,
IL-6
TNF-α
serum
measured
using
ELISA
kits.
Cardiomyocyte
apoptosis
tested
by
TUNEL
staining.
protein
levels
Bax,
Bcl-2,
Bcl-xl,
Cleaved-Caspase
3,
9,
Cleaved-PARP,
TLR4,
p-NF-κB,
p-IKKα,
p-JAK2
p-STAT3
myocardium
assayed
western
blotting.
And
finally,
immunofluorescence
was
assess
level
heart
tissue.
Results:
results
echocardiography,
enzyme
test
showed
could
significantly
improve
markedly
lower
group
than
(p<0.05).
staining's
ameliorated
CLP-induced
cardiomyocyte
apoptosis.
Meanwhile,
downregulated
p-STAT3,
as
well
upregulated
Bcl-xl
(p
<0.05).
Conclusions:
here,
we
observed
cardioprotective
advantages
may
be
attributable
its
ability
suppress
inflammation
via
inhibiting
TLR4/
IKKα-mediated
sepsis.
Frontiers in Cardiovascular Medicine,
Journal Year:
2025,
Volume and Issue:
11
Published: Jan. 8, 2025
Sepsis-induced
myocardial
dysfunction
(SIMD)
involves
reversible
dysfunction.
The
use
of
inotropes
can
restore
adequate
cardiac
output
and
tissue
perfusion,
but
conventional
inotropes,
such
as
dobutamine
adrenaline,
have
limited
efficacy
in
situations.
Levosimendan
is
a
novel
inotrope
that
acts
catecholamine-independent
manner.
However,
study
results
regarding
the
treatment
SIMD
with
levosimendan
are
inconsistent,
highly
controversial.
In
this
review,
we
summarized
therapeutic
mechanisms
considered
recent
research
on
how
to
improve
SIMD.
We
also
analyzed
potential
limitations
for
provide
ideas
future
clinical
trials
application
Frontiers in Pharmacology,
Journal Year:
2025,
Volume and Issue:
15
Published: Jan. 15, 2025
The
efficacy
of
dexmedetomidine
(DEX)
in
treating
sepsis-induced
myocardial
injury
(SIMI)
remains
unclear.
In
this
study,
we
explored
the
relationship
between
DEX
use
and
clinical
outcomes
patients
with
SIMI,
focusing
on
dosage
treatment
duration.
retrospective
cohort
analysis,
identified
SIMI
from
Medical
Information
Mart
for
Intensive
Care
IV
(MIMIC-IV)
database
categorized
them
into
non-DEX
groups
based
intensive
care
unit
treatment.
baseline
bias
was
reduced
through
propensity
score
matching
(PSM).
primary
outcome
28-day
mortality,
whereas
secondary
were
in-hospital
mortality
rates
at
7
days,
90
1
year.
association
assessed
using
Kaplan-Meier
analysis
Cox
proportional
hazards
models.
After
PSM,
373
group
matched
579
to
achieve
a
balanced
distribution
covariates.
regression
model
demonstrated
significant
reduction
associated
use,
yielding
hazard
ratio
(HR)
0.61
(95%
confidence
interval
[CI]:
0.47-0.78,
P
<
0.001).
In-hospital
also
significantly
decreased
(HR
=
0.43,
95%
CI:
0.33-0.57,
Lower
observed
doses
>0.4
μg/kg/h,
particularly
range
0.400-0.612
total
>3.113
mg
during
hospitalization,
durations
exceeding
72
h
improved
risk
all
intervals.
Regarding
28
our
subgroup
analyses
indicated
interaction
Sequential
Organ
Failure
Assessment
invasive
mechanical
ventilation.
administration
year
SIMI.
These
findings
require
validation
future
studies.