The nucleus accumbens in reward and aversion processing: insights and implications
Ying Xu,
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Yingjie Lin,
No information about this author
Ming Yu
No information about this author
et al.
Frontiers in Behavioral Neuroscience,
Journal Year:
2024,
Volume and Issue:
18
Published: Aug. 9, 2024
The
nucleus
accumbens
(NAc),
a
central
component
of
the
brain's
reward
circuitry,
has
been
implicated
in
wide
range
behaviors
and
emotional
states.
Emerging
evidence,
primarily
drawing
from
recent
rodent
studies,
suggests
that
function
NAc
aversion
processing
is
multifaceted.
Prolonged
stress
or
drug
use
induces
maladaptive
neuronal
which
results
pathological
conditions.
This
review
aims
to
provide
comprehensive
up-to-date
insights
on
role
motivated
behavior
regulation
highlights
areas
demand
further
in-depth
analysis.
It
synthesizes
latest
findings
how
distinct
populations
pathways
contribute
opposite
valences.
examines
neuromodulators,
especially
monoamines,
influence
NAc's
control
over
various
motivational
Furthermore,
it
delves
into
complex
underlying
mechanisms
psychiatric
disorders
such
as
addiction
depression
evaluates
prospective
interventions
restore
functionality.
Language: Английский
The effects of different types of social interactions on the electrophysiology of neurons in the nucleus accumbens in rodents
Neuroscience & Biobehavioral Reviews,
Journal Year:
2024,
Volume and Issue:
164, P. 105809 - 105809
Published: July 14, 2024
BORLAND,
J.M.,
The
effects
of
different
types
social
interactions
on
the
electrophysiology
neurons
in
nucleus
accumbens
rodents,
NEUROSCI
BIOBEH
REV
21(1)
XXX-XXX,
2024.-Sociality
shapes
an
organisms'
life.
is
a
critical
brain
region
for
mental
health.
In
following
review,
physiology
synthesized.
More
specifically,
sex
behavior,
aggression,
defeat,
pair-bonding,
play
affiliative
interactions,
parental
behaviors,
isolation
from
and
maternal
separation
measures
excitatory
synaptic
transmission,
intracellular
signaling
factors
transcription
translation
rodent
models
are
reviewed.
Similarities
differences
depending
type
interaction
then
discussed.
This
review
improves
understanding
molecular
mechanisms
sociality.
Language: Английский
Orphan receptor-GPR52 inverse agonist efficacy in ameliorating chronic stress-related deficits in reward motivation and phasic accumbal dopamine activity in mice
Research Square (Research Square),
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 3, 2024
Abstract
Reward
processing
dysfunctions
e.g.,
anhedonia,
apathy,
are
common
in
stress-related
neuropsychiatric
disorders
including
depression
and
schizophrenia,
there
currently
no
established
therapies.
One
potential
therapeutic
approach
is
restoration
of
reward
anticipation
during
appetitive
behavior,
deficits
which
co-occur
with
attenuated
nucleus
accumbens
(NAc)
activity,
possibly
due
to
NAc
inhibition
mesolimbic
dopamine
(DA)
signaling.
Targeting
regulation
ventral
tegmental
area
(VTA)
DA
neuron
responsiveness
cues
could
involve
either
the
direct
or
indirect
–
via
pallidium
(VP)
pathways.
candidate
orphan
G
protein-coupled
receptor
GPR52,
expressed
by
2
neurons
that
project
VP.
In
mouse
brain-slice
preparations,
GPR52
inverse
agonist
(GPR52-IA)
evoked
inhibitory
postsynaptic
currents
at
NAc-VP
neurons,
disinhibit
VTA
neurons.
A
model
chronic
social
stress
leads
reduced
learning
effortful
motivation
was
applied
investigate
GPR52-IA
behavioral
effects.
Control
chronically
stressed
mice
underwent
a
discriminative
test
tone-appetitive
behavior-sucrose
reinforcement:
responding
learning,
these
anticipatory
behaviors
were
dose-dependently
reinstated
GPR52-IA.
The
same
then
an
operant
behavior-tone-sucrose
restored
it.
new
cohort,
GRAB
DA-sensor
fibre
photometry
used
measure
activity
test:
mice,
co-occurred
specifically
tone
signaled
reinforcement
ameliorated
both
deficits.
These
findings:
(1)
Demonstrate
preclinical
efficacy
agonism
for
behavior.
(2)
Suggest
GPR52-dependent
disinhibition
NAc-VP-VTA-NAc
circuit,
leading
increased
phasic
signaling
earned
incentive
stimuli,
account
clinically
relevant
Language: Английский
Orphan receptor-GPR52 inverse agonist efficacy in ameliorating chronic stress-related deficits in reward motivation and phasic accumbal dopamine activity in mice
Chenfeng Zhang,
No information about this author
Diana Kúkeľová,
No information about this author
Hannes Sigrist
No information about this author
et al.
Translational Psychiatry,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Sept. 7, 2024
Language: Английский
Effects of 3,4‐methylenedioxymethamphetamine on neural activity in the nucleus accumbens of male mice engaged in social behavior
Naoya Nishitani,
No information about this author
Yuki Sasaki,
No information about this author
Katsuyuki Kaneda
No information about this author
et al.
Neuropsychopharmacology Reports,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 3, 2024
Abstract
3,4‐methylenedioxymethamphetamine
(MDMA),
a
commonly
abused
recreational
drug,
induces
prosocial
effects
such
as
increased
sociability
and
empathy.
The
nucleus
accumbens
(NAc)
has
been
suggested
to
play
crucial
role
in
these
MDMA‐mediated
effects.
However,
the
relationship
between
social
behavior
NAc
neural
activity,
of
MDMA
on
this
relationship,
remain
unknown.
In
study,
we
measured
activity
using
fiber
photometry
classified
behaviors
mice
at
times
transient
increases
during
approach
test
(SAT).
We
found
that
transiently
onset
turning
toward
sniffing
novel
SAT,
although
frequency
was
relatively
low.
then
examined
decreased
duration
per
bout
but
did
not
alter
or
mice.
These
results
suggest
does
affect
increase
behaviors.
Language: Английский