Neural Regeneration Research,
Journal Year:
2024,
Volume and Issue:
20(1), P. 159 - 173
Published: April 3, 2024
Brain-derived
neurotrophic
factor
is
a
key
in
stress
adaptation
and
avoidance
of
social
behavioral
response.
Recent
studies
have
shown
that
brain-derived
expression
stressed
mice
brain
region–specific,
particularly
involving
the
corticolimbic
system,
including
ventral
tegmental
area,
nucleus
accumbens,
prefrontal
cortex,
amygdala,
hippocampus.
Determining
how
participates
processing
different
regions
will
deepen
our
understanding
psychopathology.
In
this
review,
we
discuss
regulation
stress-sensitive
closely
related
to
pathophysiology
depression.
We
focused
on
associated
molecular
pathways
neural
circuits,
with
special
attention
factor–tropomyosin
receptor
kinase
B
signaling
pathway
area–nucleus
accumbens
dopamine
circuit.
determined
stress-induced
alterations
levels
are
likely
nature,
severity,
duration
stress,
especially
above-mentioned
system.
Therefore,
BDNF
might
be
biological
indicator
regulating
stress-related
processes
various
regions.
Theranostics,
Journal Year:
2024,
Volume and Issue:
14(9), P. 3653 - 3673
Published: Jan. 1, 2024
:
Recent
evidence
highlights
the
pivotal
role
of
mitochondrial
dysfunction
in
mood
disorders,
but
mechanism
involved
remains
unclear.
We
studied
whether
Hippo/YAP/14-3-3η
signaling
pathway
mediates
abnormalities
that
result
onset
major
depressive
disorder
(MDD)
a
mouse
model.
Biomedicine & Pharmacotherapy,
Journal Year:
2023,
Volume and Issue:
164, P. 114459 - 114459
Published: May 26, 2023
In
this
study,
we
have
investigated
the
anti-depressant
effects
of
fruit
Areca
catechu
L.
(ACL)
and
elucidated
its
potential
underlying
mechanism
using
a
rat
model
chronic
unpredictable
mild
stress
(CUMS).
CUMS
was
induced
in
rats
to
establish
depression
animal
for
28
days.
According
baseline
sucrose
preference,
male
were
divided
into
6
different
groups.
They
treated
with
paroxetine
hydrochloride,
ACL,
water
once
day
until
behavioral
tests
performed.
The
levels
corticosterone
(CORT),
malondialdehyde
(MDA),
catalase
(CAT),
total
superoxide
dismutase
(T-SOD)
serum
detected
commercial
kit,
concentrations
5-hydroxytryptamine
(5-HT)
dopamine
(DA)
monoamine
neurotransmitters
brain
tissues
by
liquid
chromatography-tandem
mass
spectrometry.
doublecortin
(DCX)
expression
hippocampal
dentate
gyrus
(DG)
determined
immunofluorescence,
relative
abundance
brain-derived
neurotrophic
factor
(BDNF),
TrkB,
PI3K,
p-AKT/AKT,
PSD-95,
p-GSK-3β/GSK-3β
assayed
western
blot.
ACL
markedly
increased
decreased
immobility
time,
shortened
feeding
latency
CUMS-induced
rats.
induction
resulted
marked
changes
contents
(5-HT
DA)
hippocampus
cortex
CORT,
MDA,
CAT,
T-SOD
serum,
whereas
administration
alleviated
these
considerable
changes.
promoted
DCX
DG
protein
BDNF,
brains
Our
results
indicated
that
may
improve
depression-like
behaviors
decreasing
hyperfunction
oxidative
hypothalamic-pituitary-adrenal
axis,
stimulating
neurogenesis,
activating
BDNF
signaling
pathway.
Biomedicine & Pharmacotherapy,
Journal Year:
2023,
Volume and Issue:
167, P. 115545 - 115545
Published: Sept. 20, 2023
Hypericin
is
widely
utilized
for
its
precise
antidepressant
properties,
but
exact
mechanism
remains
unclear.
Gap
junctions,
which
were
predominantly
expressed
in
astrocytes
the
central
nervous
system,
are
concerned
with
pathogenesis
of
depression.
However,
role
hypericin
gap
junctional
dysfunction
depression
has
rarely
been
investigated.
Here,
we
found
that
junctions
ultra-structurally
broadened
chronic
unpredictable
stress
(CUS)
rat
model
depression,
while
repaired
junctions.
Suppression
by
bilateral
injection
carbenoxolone
(CBX)
prefrontal
cortex
rats
significantly
inhibited
restoration
hypericin.
Meanwhile,
failed
to
show
benefits.
Furthermore,
corticosterone
(CORT)-stimulated
primary
derived
from
neonatal
rats,
dramatically
reversed
phosphorylation
connexin
43
(Cx43),
normalizing
expression
Cx43
and
thereby
ameliorating
dysfunction.
Comparatively,
CBX
remission
on
intercellular
communication
function.
function
might
be
a
novel
therapeutic
target
treatment
provide
potential
insights
into
other
herbal
ingredients.
npj Systems Biology and Applications,
Journal Year:
2024,
Volume and Issue:
10(1)
Published: Jan. 13, 2024
Abstract
Traditional
Chinese
medicine
is
one
of
the
most
commonly
used
complementary
and
alternative
therapies
for
depression.
Integrated
Chinese-western
have
been
extensively
applied
in
numerous
diseases
due
to
their
superior
efficiency
individual
treatment.
We
meta-analysis,
network
pharmacology,
bioinformatics
studies
identify
putative
role
Longya
Lilium
combined
with
Fluoxetine
Depression-like
behaviors
were
mimicked
mice
after
exposure
chronic
unpredictable
mild
stress
(CUMS).
The
underlying
potential
mechanism
this
combination
therapy
was
further
explored
based
on
vitro
vivo
experiments
analyze
expression
COX-2,
PGE2,
IL-22,
activation
microglial
cells,
neuron
viability
apoptosis
hippocampus.
antidepressant
effect
noted
compared
a
single
COX-2
mainly
expressed
hippocampal
CA1
areas.
reduced
thus
alleviated
depression-like
behavior
neuroinflammation
mice.
A
decrease
curtailed
BV-2
cell
activation,
inflammation,
by
blunting
PGE2/IL-22
axis.
Therefore,
inactivates
COX-2/PGE2/IL-22
axis,
consequently
relieving
neuroinflammatory
response
resultant
Cyborg and Bionic Systems,
Journal Year:
2024,
Volume and Issue:
5
Published: Jan. 1, 2024
Depression
is
a
common
and
severely
debilitating
neuropsychiatric
disorder.
Multiple
studies
indicate
strong
correlation
between
the
occurrence
of
immunological
inflammation
presence
depression.
The
basolateral
amygdala
(BLA)
crucial
in
cognitive
physiological
processing
control
emotion.
However,
due
to
lack
detection
tools,
neural
activity
BLA
during
depression
not
well
understood.
In
this
study,
microelectrode
array
(MEA)
based
on
shape
anatomical
location
brain
was
designed
manufactured.
Rats
were
injected
with
lipopolysaccharide
(LPS)
for
7
consecutive
days
induce
depressive
behavior.
We
used
MEA
detect
before
modeling,
after
LPS
administration
days.
results
showed
that
treatment,
spike
firing
neurons
region
rats
gradually
became
more
intense,
local
field
potential
power
also
increased
progressively.
Further
analysis
revealed
administration,
predominantly
theta
rhythm,
obvious
periodic
characteristics
appearing
d
relative
band
significantly
increased.
summary,
our
suggest
enhanced
related
state
rats,
providing
valuable
guidance
research
into
mechanisms
Abstract
Background
Depression
is
a
serious
mental
disorder
and
the
most
prevalent
cause
of
disability
suicide
worldwide.
Chronic
unpredictable
mild
stress
(CUMS)
can
lead
to
significant
acceleration
depression
development.
Quercetin
(Que)
flavonoid
compound
with
wide
range
pharmacological
effects.
Recent
studies
have
shown
that
quercetin
improve
CUMS‐induced
depression‐like
behavior,
but
mechanism
its
improvement
still
unclear.
α2δ‐1
regulatory
subunit
voltage‐gated
calcium
channel,
which
interact
N‐methyl‐D‐aspartate
receptor
(NMDAR)
form
complex.
Objective
In
this
study,
we
found
Que
could
inhibit
increase
NMDAR
expression
in
rat
hypothalamus
induced
by
CUMS.
pain,
chronic
hypertension
other
interacts
complex,
subsequently
affects
level
NMDAR.
Consequently,
present
study
aimed
investigate
antidepressant
effect
vivo
vitro
explore
action
terms
interaction
between
Methods
Rats
were
randomly
exposed
two
stressors
every
day
for
4
weeks
establish
CUMS
model,
then
sucrose
preference
test
(SPT),
forced
swimming
(FST),
tail
suspension
(TST),
open
field
(OFT)
performed
detect
behavior
rats,
so
as
evaluate
whether
model
was
successfully
established
on
rats.
Experimental
techniques
such
serum
enzyme‐linked
immunosorbent
assay
(ELISA),
immunofluorescence,
Western
blot,
co‐immunoprecipitation,
well
experiments,
used
mechanisms
exerts
Results
Behavioral
ELISA
results
showed
produce
reduction
excitability
hypothalamic–pituitary–adrenal
(HPA)
axis
rats
improvements
their
depressive
behavior.
co‐immunoprecipitation
experiments
produced
decrease
NMDAR1
levels
interfered
binding.
addition,
neural
regulation
PC12
cells
knocked
out
gene
further
verified.
Cellular
demonstrated
led
reversal
up‐regulation
corticosterone‐injured
cells,
while
had
no
effects
knockout.
Conclusions
has
good
significantly
caused
It
inhibiting
α2δ‐1,
interfering
NMDAR,
reducing
HPA
axis.
Translational Psychiatry,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: March 16, 2024
Abstract
Chronic
stress-induced
anxiodepression
is
a
common
health
problem,
however
its
potential
neurocircuitry
mechanism
remains
unclear.
We
used
behavioral,
patch-clamp
electrophysiology,
chemogenetic,
and
optogenetic
approaches
to
clarify
the
response
of
lateral
hypothalamus
(LH)
medial
prefrontal
cortex
(mPFC)
stress,
confirmed
structural
connections
between
LH
mPFC,
investigated
role
LH–mPFC
pathway
in
chronic
symptoms.
Unpredictable
mild
stress
(UCMS)
caused
anxiodepression-like
behaviors,
including
anxiety,
anhedonia,
despair
behaviors.
discovered
that
activity
mPFC
was
both
increased
after
restraint
(RS),
stressor
UCMS.
Then
we
found
orexinergic
neurons
predominantly
project
glutamatergic
excitability
these
were
In
addition,
overactivated
terminals
induced
anhedonia
but
not
anxiety
behaviors
naive
mice.
Moreover,
chemogenetically
inhibited
projection
blocked
orexin
receptors
alleviated
UCMS-treated
Our
study
identified
new
neurocircuit
from
revealed
regulating
stress.
International Journal of Molecular Sciences,
Journal Year:
2022,
Volume and Issue:
23(15), P. 8316 - 8316
Published: July 27, 2022
Adolescence
is
a
developmental
epoch
characterized
by
massive
neural
circuit
remodeling;
thus,
the
brain
particularly
vulnerable
to
environmental
influences
during
this
period.
Excessive
high-fat
diet
(HFD)
consumption,
which
very
common
among
adolescents,
has
long
been
recognized
as
potent
risk
factor
for
multiple
mood
disorders,
including
depression
and
anxiety.
However,
precise
mechanisms
underlying
of
HFD
consumption
in
adolescence
on
emotional
health
are
far
from
clear.
In
present
study,
C57BL/6
mice
were
fed
control
(CD)
or
about
4
weeks
postnatal
day
(P)
28
P60,
spanning
most
period,
then
subjected
behavioral
assessments
histological
examinations.
exhibited
elevated
levels
anxiety,
decreased
hippocampal
neurogenesis,
excessive
microglial
activation
ventral
hippocampus.
Furthermore,
HFD-fed
mice,
microglia
showed
increased
DCX+
inclusions,
suggesting
aberrant
engulfment
newborn
neurons
adolescents.
To
our
knowledge,
first
observation
that
negative
effects
emotion
neuroplasticity
may
be
attributed
at
least
part
nascent
neurons,
extending
understanding
mechanism
HFD-related
affective
disorders
young
people.