Unraveling the Pathogenesis of Post‐Stroke Depression in a Hemorrhagic Mouse Model through Frontal Lobe Circuitry and JAK‐STAT Signaling
Advanced Science,
Год журнала:
2024,
Номер
11(33)
Опубликована: Июль 1, 2024
Post-stroke
depression
is
a
common
complication
that
imposes
significant
burdens
and
challenges
on
patients.
The
occurrence
of
often
associated
with
frontal
lobe
hemorrhage,
however,
current
understanding
the
underlying
mechanisms
remains
limited.
Here,
pathogenic
circuitry
connectivity,
electrophysiological
alterations,
molecular
characteristics
are
investigated
related
to
in
adult
male
mice
following
unilateral
injection
blood
medial
prefrontal
cortex
(mPFC).
It
demonstrated
specific
neurological
hematoma
model
mPFC,
ventral
tegmental
area
(VTA)
shows
higher
percentage
connectivity
disruption
compared
lateral
habenula
(LHb)
striatum
(STR).
Additionally,
long-range
projections
originating
from
demonstrate
damage
percentages
within
connections
between
each
region
mPFC.
mPFC
neurons
reveal
reduced
neuronal
excitability
altered
synaptic
communication.
Furthermore,
transcriptomic
analysis
identifies
involvement
Janus
Kinase-Signal
Transducer
Activator
Transcription
(JAK-STAT)
signaling
pathway,
targeting
JAK-STAT
pathway
significantly
alleviates
severity
depressive
symptoms.
These
findings
improve
post-hemorrhagic
may
guide
development
efficient
treatments.
Язык: Английский
Investigating the Potential Therapeutic Targeting of the JAK-STAT Pathway in Cerebrovascular Diseases: Opportunities and Challenges
Molecular Neurobiology,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 18, 2025
Язык: Английский
S‐ketamine Alleviates Neuroinflammation and Attenuates Lipopolysaccharide‐Induced Depression Via Targeting SIRT2
Advanced Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 2, 2025
Depression,
a
pervasive
mental
health
condition,
has
increasingly
been
linked
to
neuroinflammation,
as
evidenced
by
elevated
levels
of
pro-inflammatory
markers
such
TNF-α
and
IL-1β
observed
in
patients,
which
underscores
the
role
inflammation
its
pathophysiology.
This
study
investigates
differential
effects
S-ketamine
(S-KET)
R-ketamine
(R-KET)
on
inflammation-induced
depression
using
lipopolysaccharide
(LPS)-induced
mouse
model.
Results
showed
that
S-KET,
but
not
R-KET,
significantly
alleviated
depressive-like
behaviors
reduced
factors
medial
prefrontal
cortex
(mPFC).
Activity-based
protein
profiling
identified
SIRT2
key
intracellular
target
with
direct
binding
at
Q167
residue,
whereas
R-KET
no
binding.
S-KET
enhanced
interaction
NF-κB
subunit
p65,
reducing
acetylation
suppressing
gene
expression,
seen
R-KET.
In
vitro
studies
RNA
interference
inhibitor
AK-7,
along
vivo
pharmacological
blockade,
confirmed
is
crucial
for
anti-inflammatory
antidepressant
actions
S-KET.
These
findings
suggest
mediates
therapeutic
highlighting
potential
treating
inflammation-associated
depression.
provides
novel
insights
into
stereospecific
ketamine
enantiomers
promise
targeting
neuroinflammatory
Язык: Английский