Translational Psychiatry,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: Feb. 14, 2025
A
longed
lack
of
control
over
harmful
stimuli
can
lead
to
learned
helplessness
(LH),
a
significant
factor
in
depression.
However,
the
cellular
and
molecular
mechanisms
underlying
LH,
eventually
behavioral
despair,
remain
largely
unknown.
The
deleted
colorectal
cancer
(dcc)
gene
is
associated
with
risk
therapeutic
potential
regulation
mechanism
DCC
despair
are
still
uncertain.
In
this
study,
we
showed
that
depressive
stimulators,
including
lipopolysaccharide,
unpredictable
chronic
mild
stress,
triggered
an
elevation
expression
medial
prefrontal
cortex
(mPFC).
Additionally,
elevated
mPFC
was
crucial
inducing
as
evidenced
by
induction
normal
mice
exacerbation
LH
upon
overexpression.
By
contrast,
neutralizing
activity
ameliorated
LH-induced
despair.
Importantly,
elucidated
pathological
attributable
excessive
excitation
CaMKII+
neurons
manner
dependent
on
calpain-mediated
degradation
SCOP
aberrant
phosphorylation
ERK
signaling
pathway.
addition,
increase
led
decreased
excitability
threshold
mPFC,
which
supported
observation
ligand
netrin
1
increased
frequency
action
firing
spontaneous
excitatory
postsynaptic
currents
neurons.
conclusion,
our
data
indicate
triggers
activation
calpain-SCOP/ERK
promote
expression,
represents
target
for
treatment
male
mice.
Biomedicine & Pharmacotherapy,
Journal Year:
2023,
Volume and Issue:
168, P. 115800 - 115800
Published: Nov. 6, 2023
Gamma-aminobutyric
acid
(GABA),
a
non-protein-producing
amino
synthesized
from
the
excitatory
glutamate
via
enzyme
glutamic
decarboxylase,
is
extensively
found
in
microorganisms,
plants
and
vertebrates,
abundantly
expressed
spinal
cord
brain.
It
major
inhibitory
neurotransmitter
mammalian
nervous
system.
GABA
plays
crucial
roles
regulation
of
synaptic
transmission,
promotion
neuronal
development
relaxation,
prevention
insomnia
depression.
As
neurotransmitter,
pivotal
pain
sensation,
which
initiated
by
activation
peripheral
nociceptors
transmitted
to
brain
along
nerves.
exerts
these
directly
acting
on
three
types
receptors:
ionotropic
GABAA
GABAC
receptors
G
protein-coupled
GABAB
receptor.
The
chloride-permeable
ion
channel
mediate
fast
neurotransmission,
while
metabotropic
receptor
mediates
slow
effect.
Different
regulate
sensation
different
signaling
pathways.
Here
we
highlight
recent
updates
involvement
specific
their
subtypes
process
sensation.
Further
understanding
pathways
will
benefit
novel
analgesics
for
management
targeting
Anesthesiology,
Journal Year:
2024,
Volume and Issue:
141(2), P. 222 - 237
Published: June 10, 2024
During
the
last
100
years,
role
of
anesthesiologists
in
psychiatry
has
focused
primarily
on
facilitating
electroconvulsive
therapy
and
mitigating
postoperative
delirium
other
perioperative
neurocognitive
disorders.
The
discovery
rapid
sustained
antidepressant
properties
ketamine,
early
results
suggesting
that
general
anesthetic
drugs
(including
nitrous
oxide,
propofol,
isoflurane)
have
properties,
positioned
at
a
new
frontier
treatment
neuropsychiatric
Moreover,
shared
interest
understanding
biologic
underpinnings
as
psychotropic
agents
is
eroding
traditional
academic
boundaries
between
anesthesiology
psychiatry.
This
article
presents
brief
overview
novel
antidepressants
identifies
promising
future
candidates
for
depression.
authors
issue
call
to
action
outline
strategies
foster
collaborations
psychiatrists
they
work
toward
common
goals
repurposing
addressing
mood
disorders
surgical
patients.
Neurobiology of Stress,
Journal Year:
2024,
Volume and Issue:
33, P. 100670 - 100670
Published: Sept. 3, 2024
Exposure
to
chronic
stress
contributes
considerably
the
development
of
cognitive
impairments
in
psychiatric
disorders
such
as
depression,
generalized
anxiety
disorder
(GAD),
obsessive-compulsive
(OCD),
post-traumatic
(PTSD),
and
addictive
behavior.
Unfortunately,
unlike
mood-related
symptoms,
are
not
effectively
treated
by
available
therapies,
a
situation
part
resulting
from
still
incomplete
knowledge
neurobiological
substrates
that
underly
domains
difficulty
generating
interventions
both
efficacious
safe.
In
this
review,
we
will
present
an
overview
affected
with
specific
focus
on
flexibility,
behavioral
inhibition,
working
memory.
We
then
consider
effects
neuronal
correlates
function
factors
which
may
modulate
interaction
cognition.
Finally,
discuss
intervention
strategies
for
treatment
stress-related
gaps
emerging
new
treatments
under
development.
Understanding
how
impairment
occurs
during
exposure
is
crucial
make
progress
towards
effective
therapeutic
approaches.
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(5), P. 2514 - 2514
Published: Feb. 21, 2024
Parkinson's
disease
(PD)
is
a
common
neurodegenerative
disorder
characterized
by
the
gradual
loss
of
dopaminergic
neurons
in
substantia
nigra
pars
compacta
(SNpc),
resulting
reduced
dopamine
levels
striatum
and
eventual
onset
motor
symptoms.
Linalool
(3,7-dimethyl-1,6-octadien-3-ol)
monoterpene
aromatic
plants
exhibiting
antioxidant,
antidepressant,
anti-anxiety
properties.
The
objective
this
study
to
evaluate
neuroprotective
impacts
linalool
on
SH-SY5Y
cells,
primary
mesencephalic
cortical
treated
with
1-methyl-4-phenylpyridinium
ion
(MPP
Journal of Neuropsychiatry,
Journal Year:
2024,
Volume and Issue:
unknown
Published: March 26, 2024
Depression
is
a
common
psychiatric
disorder
among
individuals
with
Huntington's
disease
(HD).
in
HD
and
major
depressive
appear
to
have
different
pathophysiological
mechanisms.
Despite
the
unique
pathophysiology,
treatment
of
depression
based
on
data
from
general
population.
The
objective
this
systematic
review
was
conduct
comprehensive
evaluation
available
evidence.
Preferred
Reporting
Items
for
Systematic
Reviews
Meta-Analyses
guidelines
were
followed.
Studies
identified
by
searching
MEDLINE,
Embase,
PsycInfo.
initial
search
yielded
2,771
records,
41
which
ultimately
included.
There
19
case
reports,
seven
series,
three
cross-sectional
studies,
one
qualitative
study,
nine
nonrandomized
two
randomized
trials
included
studies.
most
assessment
tools
Hospital
Anxiety
Scale
(N=8),
Beck
Inventory
(N=6),
Hamilton
Rating
(N=6).
Only
59%
studies
assessed
symptoms
scoring
system.
pharmacological
options
antidepressants
antipsychotics.
Nonpharmacological
approaches
multidisciplinary
rehabilitation,
psychotherapy,
neurostimulation.
Limited
evidence
available,
literature
consisted
mainly
reports
series.
This
highlights
knowledge
gap
pressing
need
HD-specific
research
determine
efficacy
HD.
Proceedings of The Nutrition Society,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 16
Published: Oct. 25, 2024
The
ability
to
manipulate
brain
function
through
the
communication
between
microorganisms
in
gastrointestinal
tract
and
along
gut-brain
axis
has
emerged
as
a
potential
option
improve
cognitive
emotional
health.
Dietary
composition
patterns
have
demonstrated
robust
capacity
modulate
microbiota-gut-brain
axis.
With
their
possess
pre-,
pro-,
post-,
synbiotic
properties,
dietary
fibre
fermented
foods
stand
out
potent
shapers
of
gut
microbiota
subsequent
signalling
brain.
Despite
this
potential,
few
studies
directly
examined
mechanisms
that
might
explain
beneficial
action
on
axis,
thus
limiting
insight
treatments
for
dysfunction.
Herein,
we
evaluate
differential
effects
from
whole
food
sources
functioning.
Potential
mediating
health
via
are
described.
Although
more
multimodal
research
combines
psychological
assessments
biological
sampling
compare
each
type
is
needed,
evidence
accumulated
date
suggests
fibre,
foods,
and/or
combination
within
psychobiotic
diet
can
be
cost-effective
convenient
approach
functioning
across
lifespan.
The Science of The Total Environment,
Journal Year:
2024,
Volume and Issue:
916, P. 170361 - 170361
Published: Jan. 24, 2024
Childhood
depression
is
a
major
public
health
issue
worldwide.
Previous
studies
have
linked
both
prenatal
metal
exposures
and
the
gut
microbiome
to
in
children.
However,
few,
if
any,
studied
their
interacting
effect
specific
subgroups
of
Trends in Pharmacological Sciences,
Journal Year:
2024,
Volume and Issue:
45(7), P. 586 - 601
Published: May 18, 2024
Alzheimer's
disease
(AD)
and
schizophrenia
(SCZ)
represent
two
major
neuropathological
conditions
with
a
high
burden.
Despite
their
distinct
etiologies,
patients
suffering
from
AD
or
SCZ
share
common
burden
of
disrupted
memory
functions
unattended
by
current
therapies.
Recent
preclinical
analyses
highlight
cell-type-specific
contributions
parvalbumin
interneurons
(PVIs),
particularly
the
plasticity
cellular
excitability,
towards
intact
neuronal
network
function
(cell-to-network
plasticity)
performance.
Here
we
argue
that
deficits
PVI
cell-to-network
may
underlie
in
SCZ,
explore
therapeutic
avenues:
targeting
PVI-specific
neuromodulation,
including
neuropeptides,
recruitment
synchrony
gamma
frequency
range
(40
Hz)
external
stimulation.
We
finally
propose
these
approaches
be
merged
under
consideration
recent
insights
into
human
brain
physiology.
Translational Psychiatry,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: July 31, 2024
Abstract
Major
depressive
disorder
(MDD),
commonly
known
as
depression,
affects
over
300
million
people
worldwide
of
2018
and
presents
a
wide
range
clinical
symptoms.
The
international
trials
registry
platform
(ICTRP)
introduced
by
WHO
includes
aggregated
data
from
ClinicalTrials.gov
17
other
national
registers,
making
it
the
largest
trial
platform.
Here
we
analysed
in
ICTRP
with
aim
providing
comprehensive
insights
into
on
depression.
Applying
novel
hidden
duplicate
identification
method,
10,606
depression
were
identified
ICTRP,
ANZCTR
being
non-
database
at
1031
trials,
followed
IRCT
576
ISRCTN
501
CHiCTR
489
EUCTR
351
trials.
top
four
most
studied
drugs,
ketamine,
sertraline,
duloxetine,
fluoxetine,
consistent
both
groups,
but
had
more
for
each
drug
compared
to
non-ClinicalTrials.gov
group.
Out
9229
interventional
663
unique
agents
identified,
including
approved
drugs
(74.5%),
investigational
(23.2%),
withdrawn
(1.8%),
nutraceuticals
(0.3%),
illicit
substances
(0.2%).
Both
databases
revealed
that
categories
antidepressive
(1172
659
non-ClinicalTrials.gov)
nutrients,
amino
acids,
chemical
elements
(250
non-ClinicalTrials.gov),
indicating
focus
alternative
treatments
involving
dietary
supplements
nutrients.
Additionally,
26
targeting
16
different
targets
buprenorphine
(opioid
agonist),
saredutant
(NK2
antagonist),
seltorexant
(OX2
antagonist)
frequently
studied.
This
analysis
addresses
40
treatment
new
classes
like
GABA
modulators
NMDA
antagonists
are
offering
prospects
treating
MDD,
drug-resistant
postpartum
subtypes.
Biochemical Pharmacology,
Journal Year:
2024,
Volume and Issue:
228, P. 116481 - 116481
Published: Aug. 13, 2024
Depression
is
among
the
most
common
psychiatric
illnesses,
which
imposes
a
major
socioeconomic
burden
on
patients,
caregivers,
and
public
health
system.
Treatment
with
classical
antidepressants
(e.g.
tricyclic
selective
serotonine
reuptake
inhibitors),
primarily
affect
monoaminergic
systems
has
several
limitations,
such
as
delayed
onset
of
action
moderate
efficacy
in
relatively
large
proportion
depressed
patients.
Furthermore,
depression
highly
heterogeneus,
its
different
subtypes,
including
post-partum
depression,
involve
distinct
neurobiology,
warranting
differential
approach
to
pharmacotherapy.
Given
these
shortcomings,
need
for
novel
that
are
superior
faster
fully
justified.
The
development
market
introduction
rapid-acting
accelerated
recent
years.
Some
new
act
through
GABAergic
In
this
review,
we
discuss
discovery,
efficacy,
limitations
treatment
classic
antidepressants.
We
provide
detailed
discussion
neurotransmission,
special
focus
GABA