Research Square (Research Square),
Год журнала:
2023,
Номер
unknown
Опубликована: Июль 10, 2023
Abstract
Background
POCD
is
a
frequent
condition
that
originates
after
surgery
and
characterized
by
impaired
memory,
inattention,
diminished
learning
or
language
abilities.
It
seriously
threatens
the
quality
of
patients’
life,
especially
in
older
adults.
The
identification
factors
associated
to
facilites
diagnosis
prediction
clinical
outcomes.
biomarkers
aids
Therefore,
this
study
aimed
identify
hub
genes
analyze
their
possible
involvement
pathogenesis.
Methods
expression
profiles
(GSE95070
GSE95426)
were
obtained
from
Gene
Expression
Omnibus
(GEO)
database,
followed
differentially
expressed
miRNAs
(DEmiRNAs)
mRNAs
(DEmRNAs).
Ontology
(GO)
Kyoto
Encyclopedia
Genes
Genomes
(KEGG)
pathway
analyses
used
achieve
functional
enrichment.
Subsequently,
target
DEmiRNAs
identified,
construction
miRNA-mRNA
network
for
POCD.
least
absolute
shrinkage
selection
operator
(LASSO)
support
vector
machine
recursive
feature
elimination
(SVM-RFE)
algorithms
miRNAs.
Finally,
sorted
overlapping
DEmRNAs.
A
mouse
model
was
established
tested
using
open
field
test
(OFT)
Morris
water
maze
(MWM).
quantitative
real-time
polymerase
chain
reaction
(qRT-PCR)
validation.
Results
Eleven
identified.
Among
them,
mmu-miR-483-5p
mmu-miR-362-3p
showed
highest
positive
correlation
(R
=
0.96),
whereas
mmu-miR-206-3p
mmu-miR-190a-3p
negative
-0.88).
GO
analysis
revealed
mainly
enriched
response
stress,
anatomical
structure
development,
cellular
nitrogen
compound
metabolic
homeostatic
processes.
KEGG
identified
pathways
regulating
actin
cytoskeleton,
sphingolipid
signaling,
axon
guidance,
thyroid
hormone
signaling.
Then,
7062
targeting
with
DEmiRNAs,
53
DEmRNAs
mmu-miR-3065-5p
mmu-miR-592-3p
as
LASSO
SVM-RFE
analyses,
respectively.
four
(
Prdm14,
Slc46a2,
Nkx2-1,
Lrg1
)
validated
model.
Conclusions
We
two
model,
all
which
could
serve
pharmacological
targets
treatment
Targeting
gene
manipulation
methods
may
help
understand
mechanism
improve
outcome
ACS Chemical Neuroscience,
Год журнала:
2023,
Номер
14(7), С. 1249 - 1260
Опубликована: Март 22, 2023
PTEN-induced
kinase
1
(PINK1)-mediated
mitophagy
and
caspase-1/gasdermin
D
canonical
pyroptosis
pathways
have
been
implicated
in
the
pathogenesis
of
postoperative
cognitive
dysfunction
(POCD).
However,
gasdermin
E
(GSDME),
another
recently
identified
executioner
that
can
be
specifically
cleaved
by
caspase-3,
is
highly
expressed
brain
neurons.
This
study
aimed
to
ascertain
whether
PINK1-dependent
governs
capacity
through
caspase-3/GSDME.
Twelve
month
old
male
Sprague-Dawley
rats
underwent
exploratory
laparotomy
under
isoflurane
anesthesia.
Lipopolysaccharide
(LPS)-primed
SH-SY5Y
cells
were
used
mimic
postsurgical
neuroinflammation.
For
interventional
study,
administered
with
adeno-associated
virus
serotype
9
(AAV9)-mediated
silencing
Pink1
and/or
caspase-3
inhibitor
Ac-DEVD-CHO
(Ac-DC).
treated
siPINK1
Ac-DC.
Cognitive
performance
was
assessed
using
Morris
water
maze
test.
The
mitophagy-
pyroptosis-related
parameters
determined
hippocampus
cells.
Anesthesia/surgery
LPS
caused
defective
PINK1-mediated
activation
caspase-3/GSDME-dependent
pyroptosis.
AAV-9
mediated
overexpression
mitigated
impairment
Conversely,
inhibition
PINK1
aggravates
POCD
overactivates
neuronal
These
abnormalities
rescued
Ac-DC
treatment.
Collectively,
regulates
anesthesia
surgery-induced
negatively
affecting
caspase-3/GSDME
pathway,
which
provides
a
promising
therapeutic
target
for
POCD.
CNS Neuroscience & Therapeutics,
Год журнала:
2024,
Номер
30(10)
Опубликована: Сен. 30, 2024
Ferroptosis,
a
form
of
programmed
cell
death
featured
by
lipid
peroxidation,
has
been
proposed
as
potential
etiology
for
postoperative
cognitive
dysfunction
(POCD).
Myocyte-specific
enhancer
factor
2C
(MEF2C),
transcription
expressed
in
various
brain
types,
implicated
disorders.
This
study
sought
to
ascertain
whether
MEF2C
governs
capacity
affecting
ferroptosis.
Abstract
Cardiopulmonary
bypass
(CPB)
is
often
used
in
cardiothoracic
surgery
because
its
nonphysiological
state
causes
pathophysiological
changes
the
body,
causing
multiorgan
and
multitissue
damage
to
varying
degrees.
Postoperative
cognitive
dysfunction
(POCD)
a
common
central
nervous
system
complication
after
cardiac
surgery.
The
etiology
mechanism
of
POCD
are
not
clear.
Neuroinflammation,
brain
mitochondrial
dysfunction,
cerebral
embolism,
ischemia,
hypoxia,
other
factors
related
pathogenesis
POCD.
There
close
relationship
between
CPB
POCD,
as
can
cause
inflammation,
hypoxia
reperfusion
injury,
microemboli
formation,
all
which
trigger
increases
medical
costs,
seriously
affects
patients'
quality
life,
mortality.
Currently,
there
lack
effective
treatment
methods
for
Commonly
include
preoperative
health
management,
reducing
inflammation
response
during
surgery,
preventing
implementing
individualized
rehabilitation
programs
Strengthening
preventive
measures
minimize
occurrence
adverse
effects.
Frontiers in Aging Neuroscience,
Год журнала:
2023,
Номер
15
Опубликована: Март 27, 2023
Circular
RNAs
are
highly
stable
single-stranded
circular
and
enriched
in
the
brain.
Previous
studies
showed
that
circRNAs,
as
part
of
competing
endogenous
(ceRNAs)
network,
play
an
important
role
neurodegenerative
psychiatric
diseases.
However,
mechanism
circRNA-related
ceRNA
networks
postoperative
cognitive
dysfunction
(POCD)
has
not
been
elucidated
yet.
POCD
usually
occurs
elderly
patients
is
characterized
by
hippocampal
dysfunction.
Here,
aged
C57BL/6
mice
were
subjected
to
exploratory
laparotomy
under
sevoflurane
anesthesia,
this
model
was
verified
Morris
water
maze
test.
Whole-transcriptome
sequencing
performed
on
hippocampus
control
group
(Con)
surgery
group.
One
hundred
seventy-seven
DEcircRNAs,
221
DEmiRNAs
2,052
DEmRNAs
identified
between
two
groups.
A
network
established
with
92
DEcircRNAs
having
binding
sites
76
549
target
DEmRNAs.
In
functional
enrichment
analysis,
a
pathological
pattern
highlighted
network:
Abnormal
metabolic
process
neural
cells,
including
oxygen
metabolism,
could
promote
apoptosis
then
affect
synaptic
function,
which
may
undermine
plasticity
eventually
lead
changes
function
other
behavioral
patterns.
conclusion,
specific
circRNAs-miRNAs-mRNAs
provided
novel
insights
into
regulatory
mechanisms
revealed
potential
therapeutic
gene
targets.
International Journal of Neuroscience,
Год журнала:
2024,
Номер
unknown, С. 1 - 33
Опубликована: Янв. 23, 2024
Objective
In
the
quest
to
decipher
molecular
intricacies
of
Postoperative
Cognitive
Dysfunction
(POCD),
this
study
focused
on
circular
RNA
(circRNA)
and
their
regulatory
networks.
Turkish Journal of Biochemistry,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 5, 2024
Abstract
As
one
of
the
volatile
anaesthetic
drugs
commonly
used
in
clinical
anaesthesia,
sevoflurane
is
extensively
general
anaesthesia
surgery
because
its
rapid
induction,
hemodynamic
stability,
and
metabolism.
However,
postoperative
cognitive
dysfunction
(POCD)
most
prevalent
complications
application.
Neuroinflammation
neuronal
apoptosis
are
currently
believed
to
be
primary
mechanisms
responsible
for
development
dysfunction.
MicroRNAs
(miRNAs)
can
negatively
regulate
expression
target
genes,
thereby
influencing
neurological
processes.
Therefore,
effects
potential
miRNAs
on
function
may
provide
new
ideas
prevention
treatment
sevoflurane-induced
POCD,
a
topic
intense
research
interest
at
moment.
The
involved
regulation
by
sevoflurane,
genes
downstream
signalling
pathways
were
reviewed
order
obtain
comprehensive
understanding
function.