Molecular Pain,
Journal Year:
2022,
Volume and Issue:
18
Published: March 4, 2022
The
anterior
cingulate
cortex
(ACC)
is
located
in
the
frontal
part
of
cortex,
and
plays
important
roles
pain
perception
emotion.
thalamocortical
pathway
major
sensory
input
to
ACC.
Previous
studies
have
show
that
several
different
thalamic
nuclei
receive
projection
fibers
from
spinothalamic
tract,
turn
send
efferents
ACC
by
using
neural
tracers
optical
imaging
methods.
Most
these
were
performed
monkeys,
cats,
rats,
few
reported
systematically
adult
mice.
Adult
mice,
especially
genetically
modified
provided
molecular
synaptic
mechanisms
for
cortical
plasticity
modulation
In
present
study,
we
utilized
rabies
virus-based
retrograde
tracing
system
map
thalamic-anterior
monosynaptic
inputs
We
also
combined
with
a
new
high-throughput
VISoR
technique
generate
three-dimensional
whole-brain
reconstruction,
thalamus.
found
neurons
received
direct
projections
sub-nuclei
thalamus,
including
anterior,
ventral,
medial,
lateral,
midline,
intralaminar
nuclei.
These
findings
provide
key
anatomic
evidences
connection
between
thalamus
Science Advances,
Journal Year:
2024,
Volume and Issue:
10(3)
Published: Jan. 19, 2024
Anxiety
and
depression
are
frequently
observed
in
patients
suffering
from
trigeminal
neuralgia
(TN),
but
neural
circuits
mechanisms
underlying
this
association
poorly
understood.
Here,
we
identified
a
dedicated
circuit
the
ventral
hippocampus
(vHPC)
to
medial
prefrontal
cortex
(mPFC)
that
mediates
TN-related
anxiodepression.
We
found
TN
caused
an
increase
excitatory
synaptic
transmission
vHPC
CaMK2A
neurons
mPFC
inhibitory
marked
by
expression
of
corticotropin-releasing
hormone
(CRH).
Activation
CRH
+
subsequently
led
feed-forward
inhibition
layer
V
pyramidal
via
activation
receptor
1
(CRHR1).
Inhibition
-mPFC
ameliorated
TN-induced
anxiodepression,
whereas
activating
pathway
sufficiently
produced
anxiodepressive-like
behaviors.
Thus,
our
studies
driving
pain-related
anxiodepression
molecular
target
for
treating
psychiatric
disorders.
Neuron,
Journal Year:
2024,
Volume and Issue:
112(14), P. 2368 - 2385.e11
Published: May 2, 2024
Social
memory
has
been
developed
in
humans
and
other
animals
to
recognize
familiar
conspecifics
is
essential
for
their
survival
reproduction.
Here,
we
demonstrated
that
parvalbumin-positive
neurons
the
sensory
thalamic
reticular
nucleus
(sTRN
Biomolecules,
Journal Year:
2025,
Volume and Issue:
15(2), P. 165 - 165
Published: Jan. 23, 2025
Chronic
pain
and
mental
health
disorders,
such
as
depression
anxiety,
frequently
co-occur
share
underlying
mechanisms
involving
neuronal
excitability
synaptic
transmission.
The
inwardly
rectifying
potassium
channel
4.1
(Kir4.1),
predominantly
expressed
in
glial
cells,
is
crucial
for
maintaining
extracellular
glutamate
homeostasis.
Dysregulation
of
Kir4.1
leads
to
altered
activity,
contributing
both
chronic
disorders.
In
pain,
downregulation
impairs
buffering
clearance,
increasing
enhancing
signaling
through
peripheral
central
sensitization.
impaired
function
disrupts
neurotrophic
factor
secretion
neuroinflammatory
pathways,
leading
mood
disturbances.
This
review
primarily
summarizes
findings
from
preclinical
studies
examine
the
relationship
between
pathogenesis
discussing
its
molecular
structure,
expression
patterns,
functional
roles.
Furthermore,
we
explore
therapeutic
strategies
targeting
Kir4.1,
including
pharmacological
modulators
gene
therapy
approaches,
emphasizing
potential
a
novel
target.
Nature,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 9, 2025
Chronic
stress
remodels
brain
homeostasis,
in
which
persistent
change
leads
to
depressive
disorders1.
As
a
key
modulator
of
homeostasis2,
it
remains
elusive
whether
and
how
autophagy
is
engaged
dynamics.
Here
we
discover
that
acute
activates,
whereas
chronic
suppresses,
mainly
the
lateral
habenula
(LHb).
Systemic
administration
distinct
antidepressant
drugs
similarly
restores
function
LHb,
suggesting
LHb
as
common
target.
Genetic
ablation
neuronal
promotes
susceptibility,
enhancing
exerts
rapid
antidepressant-like
effects.
controls
excitability,
synaptic
transmission
plasticity
by
means
on-demand
degradation
glutamate
receptors.
Collectively,
this
study
shows
causal
role
maintaining
emotional
homeostasis
against
stress.
Disrupted
implicated
maladaptation
stress,
its
reversal
enhancers
provides
new
strategy.
Cell Reports,
Journal Year:
2023,
Volume and Issue:
42(10), P. 113170 - 113170
Published: Sept. 21, 2023
Chronic
stress
and
chronic
pain
are
two
major
predisposing
factors
to
trigger
depression.
Enhanced
excitatory
input
the
lateral
habenula
(LHb)
has
been
implicated
in
pathophysiology
of
However,
contribution
inhibitory
transmission
remains
unclear.
Here,
we
dissect
an
projection
from
sensory
thalamic
reticular
nucleus
(sTRN)
LHb,
which
is
activated
by
acute
aversive
stimuli.
restraint
(CRS)
weakens
sTRN-LHb
synaptic
strength,
this
attenuation
indispensable
for
CRS-induced
LHb
neural
hyperactivity
depression
onset.
Moreover,
artificially
inhibiting
circuit
induces
depressive-like
behaviors
healthy
mice,
while
enhancing
relieves
induced
both
pain.
Intriguingly,
neither
neuropathic
nor
comorbid
mechanical
hypersensitivity
affected
pathway.
Altogether,
our
study
demonstrates
establishing
modulating
depression,
thus
shedding
light
on
potential
therapeutic
targets
preventing
or
managing
Journal of Medicinal Chemistry,
Journal Year:
2023,
Volume and Issue:
66(23), P. 16075 - 16090
Published: Nov. 16, 2023
Recent
studies
have
shown
that
the
epigenetic
protein
histone
deacetylase
11
(HDAC11)
is
highly
expressed
in
brain
and
critically
modulates
neuroimmune
functions,
making
it
a
potential
therapeutic
target
for
neurological
disorders.
Herein,
we
report
development
of
PB94,
which
novel
HDAC11
inhibitor.
PB94
exhibited
potency
selectivity
against
with
IC50
=
108
nM
>40-fold
over
other
HDAC
isoforms.
Pharmacokinetic/pharmacodynamic
evaluation
indicated
possesses
promising
drug-like
properties.
Additionally,
was
radiolabeled
carbon-11
as
[11C]PB94
positron
emission
tomography
(PET),
revealed
significant
uptake
metabolic
properties
suitable
drug
live
animals.
Furthermore,
demonstrated
neuropathic
pain
associated
upregulation
pharmacological
inhibition
by
ameliorated
mouse
model.
Collectively,
our
findings
support
further
selective
inhibitor
indications,
including
pain.
Communications Biology,
Journal Year:
2024,
Volume and Issue:
7(1)
Published: March 15, 2024
Abstract
The
anterior
cingulate
cortex
(ACC)
responds
to
noxious
and
innocuous
sensory
inputs,
integrates
them
coordinate
appropriate
behavioral
reactions.
However,
the
role
of
projections
ACC
neurons
subcortical
areas
their
influence
on
processing
are
not
fully
investigated.
Here,
we
identified
that
projecting
contralateral
claustrum
(ACC
→contraCLA
)
preferentially
respond
mechanical
stimulation.
These
responses
were
enhanced
during
attending
behavior.
Optogenetic
activation
silenced
pyramidal
in
by
recruiting
local
circuit
fast-spiking
interneuron
via
an
excitatory
relay
CLA.
This
suppressed
withdrawal
behavior
stimuli
ipsilateral
neurons.
Chemogenetic
silencing
showed
cross-hemispheric
has
important
suppression
nociceptive
sensory-driven
Our
findings
identify
a
cortical-subcortical-cortical
arc
allowing
brain
give
attentional
priority
competing
inputs.