Cell Biology and Toxicology,
Journal Year:
2024,
Volume and Issue:
41(1)
Published: Dec. 20, 2024
The
occurrence
of
severe
myocardial
ischemia/reperfusion
(I/R)
injury
is
associated
with
the
clinical
application
reestablishment
technique
for
heart
disease,
and
understanding
its
underlying
mechanisms
currently
an
urgent
issue.
Prior
investigations
have
demonstrated
potential
enhancement
MIRI
through
EGR1
suppression,
although
precise
regulatory
pathways
require
further
elucidation.
core
focus
this
investigation
to
examine
molecular
regulates
mitophagy-mediated
cell
pyroptosis
impact
on
MIRI.
Cardiomyocyte
hypoxia/reoxygenation
(H/R)
models
mouse
I/R
were
used
investigate
involvement
in
regulating
injury.
research
outcomes
that
under
H/R
conditions,
expression
was
upregulated
inhibited
JAK2/STAT3
pathway,
leading
enhanced
mitophagy
disrupted
mitochondrial
fusion/fission
dynamics,
ultimately
resulting
pyroptosis.
Further
revealed
upregulation
mediated
by
methyltransferase
like
3
(METTL3)-mediated
m6A
modification
mRNA
depended
binding
insulin
growth
factor
2
mrna
protein
(IGF2BP2)
N6-methyladenosine
(m6A)
site
enhance
stability.
In
vivo
animal
experiments
confirmed
METTL3
IGF2BP2
suppressed
activation
janus
kinase
(JAK2)
/signal
transducer
activator
transcription
(STAT3)
thereby
inhibiting
mitophagy,
disrupting
promoting
pyroptosis,
exacerbating
JTCVS Open,
Journal Year:
2023,
Volume and Issue:
16, P. 582 - 601
Published: Aug. 23, 2023
Objective:
We
aimed
to
investigate
the
characteristics
of
nosocomial
infections
(NIs)
and
impact
prophylactic
antibiotic
administration
on
NI
outcomes
in
patients
who
underwent
extracorporeal
cardiopulmonary
resuscitation
(ECPR).Methods:
This
retrospective
study
analyzed
rate,
type,
pathogens,
outcomes,
risk
factors
NIs
that
developed
adult
ECPR
at
our
institution
between
January
2002
2022.Results:
Among
105
(median
age,
58.59
[interquartile
range,
46.53-67.32]years),
57
(54.29%)
during
their
membrane
oxygenation
(ECMO)
courses.The
incidence
rates
per
1,000
ECMO
days
were
135.91
for
overall
40.06
multidrug-resistant
(MDR)
infections.Ventilator-associated
pneumonia
was
most
common
type
(73.68%),
followed
by
bloodstream
(17.89%).Prophylactic
antibiotics
with
Pseudomonas
aeruginosa
coverage
protective
against
infection
(hazard
ratio
[HR],
0.518;
95%
confidence
interval
[CI],
0.281-0.953;P
=
.034).High
dynamic
driving
pressure
ventilator
(cmH2O)
a
prognostic
factor
hospital
mortality
(HR,
1.096;
CI,
1.008-1.192;P
.032).An
Acute
Physiology
Chronic
Health
Evaluation
(APACHE)
II
score
≥24
6.443;
1.380-30.088;P
.018)was
developing
MDR
infections.Conclusions:
In
patients,
treatment
P.
J
o
u
r
n
l
P
e
-p
f
7
is
associated
lower
NIs,
while
an
APACHE
infections.In
modern
era
therapy,
development
does
not
increase
among
undergoing
ECPR.
BMJ Open,
Journal Year:
2023,
Volume and Issue:
13(9), P. e074475 - e074475
Published: Sept. 1, 2023
Cardiac
arrest
is
a
critical
condition,
and
patients
often
experience
postcardiac
syndrome
(PCAS)
even
after
the
return
of
spontaneous
circulation
(ROSC).
Administering
restricted
amount
oxygen
in
early
phase
ROSC
has
been
suggested
as
potential
therapy
for
PCAS;
however,
optimal
target
arterial
partial
pressure
or
peripheral
saturation
(SpO
BMJ Open,
Journal Year:
2024,
Volume and Issue:
14(6), P. e083136 - e083136
Published: June 1, 2024
Public
training
in
cardiopulmonary
resuscitation
and
treatment
emergency
intensive
care
unit
have
made
tremendous
progress.
However,
cardiac
arrest
remains
a
major
health
burden
worldwide,
with
brain
damage
being
significant
contributor
to
disability
mortality.
Lipocalin-type
prostaglandin
D
synthase
(L-PGDS),
which
is
mainly
localised
the
central
nervous
system,
has
been
previously
shown
inhibit
postischemia
neuronal
apoptosis.
Therefore,
we
aim
observe
whether
serum
L-PGDS
can
serve
as
potential
biomarker
explore
its
role
determining
severity
prognosis
of
patients
who
achieved
restoration
spontaneous
circulation
(ROSC).
This
prospective
observational
study.
The
participants
(n
=
60)
achieve
ROSC
will
be
distributed
into
two
groups
(non-survivor
survivor)
based
on
28-day
survival.
Healthy
volunteers
30)
enrolled
controls.
Each
individual's
relevant
information
extracted
from
Electronic
Medical
Record
System
Xinhua
Hospital,
including
demographic
characteristics,
clinical
data,
laboratory
findings
so
on.
On
days
1,
3
7
after
ROSC,
blood
samples
drawn
batch
tested
level
neuron-specific
enolase,
soluble
protein
100β,
L-PGDS,
procalcitonin,
tumour
necrosis
factor-alpha
interleukin-6.
cerebral
performance
category
score
was
assessed
28th
day
ROSC.
study
performed
approval
Clinical
Ethical
Committee
Hospital
Affiliated
Shanghai
Jiao
Tong
University
School
Medicine
(Approval
No.
XHEC-C-2023-130-1).
results
published
peer-reviewed
journal.
Chinese
Trial
Registry
(ChiCTR2300078564).
Antioxidants,
Journal Year:
2024,
Volume and Issue:
13(12), P. 1469 - 1469
Published: Nov. 29, 2024
Reactive
oxygen
species
(ROS)
play
an
important
role
in
ischemia–reperfusion
(I/R)
after
cardiac
arrest
and
cardiopulmonary
resuscitation
(CA-CPR).
Early
administration
of
vitamin
C
at
a
high
dose
experimental
models
resulted
less
myocardial
damage
had
positive
effect
on
survival
resuscitation.
Here,
we
postulated
that
the
ROS
scavenging
activity
anthocyanin
(i.e.,
delphinidin)
would
positively
influence
outcomes.
We
hypothesized
delphinidin
immediately
CA-CPR
could
attenuate
systemic
inflammation
standardized
mouse
model
thereby
improve
long-term
Outcomes
up
to
28
days
were
evaluated
control
group
(saline-treated)
delphinidin-treated
cohort.
Survival,
neurological
cognitive
parameters
assessed.
Post-CPR
infusion
deteriorated
time
10
min
CA.
Survivors
amongst
controls
showed
significantly
more
anxious
behavior
than
pre-CPR
phases.
This
tendency
was
also
observed
animals
treated
with
delphinidin.
In
our
study,
did
not
find
improvement
no
learning
behavior.
Our
behavioral
tests
clearly
show
is
associated
development
post-interventional
anxiety-like
symptoms.
findings
open
scopes
investigate
intrinsic
factors
(e.g.,
oxidative
stress,
inflammatory
systemic-microbial
response,
etc.)
influencing
therapeutic
efficacy
anthocyanins
vivo.
Cell Biology and Toxicology,
Journal Year:
2024,
Volume and Issue:
41(1)
Published: Dec. 20, 2024
The
occurrence
of
severe
myocardial
ischemia/reperfusion
(I/R)
injury
is
associated
with
the
clinical
application
reestablishment
technique
for
heart
disease,
and
understanding
its
underlying
mechanisms
currently
an
urgent
issue.
Prior
investigations
have
demonstrated
potential
enhancement
MIRI
through
EGR1
suppression,
although
precise
regulatory
pathways
require
further
elucidation.
core
focus
this
investigation
to
examine
molecular
regulates
mitophagy-mediated
cell
pyroptosis
impact
on
MIRI.
Cardiomyocyte
hypoxia/reoxygenation
(H/R)
models
mouse
I/R
were
used
investigate
involvement
in
regulating
injury.
research
outcomes
that
under
H/R
conditions,
expression
was
upregulated
inhibited
JAK2/STAT3
pathway,
leading
enhanced
mitophagy
disrupted
mitochondrial
fusion/fission
dynamics,
ultimately
resulting
pyroptosis.
Further
revealed
upregulation
mediated
by
methyltransferase
like
3
(METTL3)-mediated
m6A
modification
mRNA
depended
binding
insulin
growth
factor
2
mrna
protein
(IGF2BP2)
N6-methyladenosine
(m6A)
site
enhance
stability.
In
vivo
animal
experiments
confirmed
METTL3
IGF2BP2
suppressed
activation
janus
kinase
(JAK2)
/signal
transducer
activator
transcription
(STAT3)
thereby
inhibiting
mitophagy,
disrupting
promoting
pyroptosis,
exacerbating