Frontiers in Molecular Neuroscience,
Journal Year:
2023,
Volume and Issue:
16
Published: Oct. 30, 2023
Electroconvulsive
therapy,
a
fast-acting
option
for
treatment-resistant
depression,
is
modeled
at
the
preclinical
level
through
induction
of
electroconvulsive
seizures
(ECS)
in
rodents.
Recent
studies
from
our
group
proved
sex-
and
age-differences
antidepressant-like
response
elicited
by
ECS
rats;
while
an
was
observed
male
adolescent
adult
rats
(although
with
greater
efficacy
adulthood),
same
parameters
rendered
inefficacious
females
any
age.
To
better
understand
potential
sex
differences
taking
place
molecular
that
might
be
mediating
these
behavioral
disparities,
we
evaluated
impact
repeated
treatment
(95
mA
0.6
s,
100
Hz,
ms)
both
sexes.
Several
hippocampal
markers
neuroplasticity,
commonly
regulated
most
antidepressants,
such
as
those
neurogenesis
(cell
proliferation,
neurogenic
differentiation,
long-term
cell
survival)
or
mBDNF
associated
signaling
(e.g.,
mTOR
ERK1/2)
were
different
time-points
after
(1-,
8-,
15-
up
to
30-days
post-treatment).
The
main
results
demonstrated
improved
survival
rate
new
cells
born
dentate
gryus
before
treatment.
Moreover,
increased
proliferation
differentiation
times
post-treatment,
paired
persistent
increases
mBDNF,
long
In
general,
effects
each
varied
age
animal
(adolescent
vs.
adulthood).
present
study
first-one
demonstrate
changes
induced
hippocampus,
some
them
also
occurred
female
adolescence.
Although
could
not
justify
lack
described
(vs.
rats),
they
proposed
certain
beneficial
common
sexes,
periods
studied,
opening
avenue
further
studies.
Based
on
neurochemical
effects,
should
have
displayed
similar
efficacies
biological
Therefore,
reason
behind
disparities
explored
translate
efficacious
treatments
specific
and/or
personalized
clinic.
International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(20), P. 15268 - 15268
Published: Oct. 17, 2023
Depression
is
a
serious
neuropsychiatric
disease
affecting
an
increasing
number
of
people
worldwide.
Cognitive
deficits
(including
inattention,
poor
memory,
and
decision-making
difficulties)
are
common
in
the
clinical
picture
depression.
impairment
has
been
hypothesized
to
be
one
most
important
components
major
depressive
disorder
(MDD;
referred
as
depression),
although
typical
cognitive
symptoms
less
frequent
with
depression
than
schizophrenia
or
bipolar
(BD;
sometimes
manic-depressive
disorder).
The
importance
α-Klotho
aging
process
well-documented.
Growing
evidence
points
role
regulating
other
biological
functions,
including
responses
oxidative
stress
modulation
synaptic
plasticity.
It
proven
that
Klotho
deficit
may
contribute
development
various
nervous
system
pathologies,
such
behavioral
disorders
neurodegeneration.
Given
growing
impairment,
it
assumed
this
protein
molecular
link
between
them.
Here,
we
provide
research
review
impairment.
Furthermore,
propose
potential
mechanisms
(related
glutamatergic
transmission)
α-Klotho-mediated
regulation
mental
function.
PeerJ,
Journal Year:
2024,
Volume and Issue:
12, P. e17517 - e17517
Published: June 3, 2024
Background
Psilocybin
and
related
tryptamines
have
come
into
the
spotlight
in
recent
years
as
potential
therapeutics
for
depression.
Research
on
mechanisms
of
these
effects
has
historically
focused
direct
drugs
neural
processes.
However,
addition
to
such
effects,
alterations
peripheral
physiology
may
also
contribute
their
therapeutic
effects.
In
particular,
substantial
support
exists
a
gut
microbiome-mediated
pathway
antidepressant
efficacy
other
drug
classes,
but
no
prior
studies
determined
microbiota.
Methods
To
address
this
gap,
preliminary
study,
male
Long
Evans
rats
were
treated
with
varying
dosages
oral
psilocybin
(0.2
or
2
mg/kg),
norbaeocystin
(0.25
2.52
vehicle
fecal
samples
collected
1
week
3
weeks
after
exposure
microbiome
analysis
using
integrated
16S
ribosomal
DNA
sequencing
determine
composition.
Results
We
found
that
although
treatment
neither
nor
significantly
affected
overall
diversity,
it
did
cause
significant
dose-
time-dependent
changes
bacterial
abundance
at
phylum
level,
including
increases
Verrucomicrobia
Actinobacteria
,
decreases
Proteobacteria
.
Conclusion
Implications
These
findings
idea
act
manner,
potentially
identifying
novel
mechanism
activity.
The
results
from
study
suggest
warrant
further
investigation
antidepressant,
given
similarity
its
psilocybin.
Frontiers in Psychiatry,
Journal Year:
2024,
Volume and Issue:
15
Published: July 11, 2024
Major
depressive
disorder
(MDD)
represents
a
major
health
issue
in
adolescents
and
young
adults,
leading
to
high
levels
of
disability
profoundly
impacting
overall
functioning.
The
clinical
presentation
MDD
this
vulnerable
age
group
may
slightly
differ
from
what
can
be
observed
adult
populations,
psychopharmacological
strategies
do
not
always
lead
optimal
response.
Resistance
antidepressant
treatment
has
prevalence
estimated
around
40%
youths
suffering
is
associated
with
higher
comorbidity
rates
suicidality.
Several
factors,
encompassing
biological,
environmental,
features,
contribute
the
emergence
treatment-resistant
depression
(TRD)
adults.
Furthermore,
TRD
underpin
presence
an
unrecognized
bipolar
diathesis,
increasing
complexity
picture
posing
differential
diagnosis
challenges
practice.
After
summarizing
current
evidence
on
epidemiological
correlates
present
review
also
provides
overview
possible
strategies,
including
novel
fast-acting
antidepressants.
Despite
these
pharmacological
agents
are
promising
population,
their
usage
expected
rely
risk-benefit
ratio
considered
context
integrated
models
care.
ACS Medicinal Chemistry Letters,
Journal Year:
2023,
Volume and Issue:
14(10), P. 1331 - 1333
Published: Sept. 15, 2023
Tryptamines,
a
class
of
3-aminoethyl-indoles
that
activate
the
serotonin
receptor,
show
potential
for
novel
mental
health
treatments.
The
FDA
has
granted
"breakthrough
therapy
designation"
to
psilocybin
and
MDMA
treatment-resistant
depression,
major
depressive
disorder,
post-traumatic
stress
sparking
global
research
efforts.
Various
clinical
trials
are
currently
investigating
therapeutic
value
several
disorders.
Results
thus
far
indicate
significant
improvements
in
patient-reported
outcomes
via
reductions
experiential
avoidance.
These
advancements
highlight
promising
future
tryptamines
therapy.
Chinese Medicine,
Journal Year:
2024,
Volume and Issue:
19(1)
Published: May 21, 2024
Abstract
L-type
calcium
channels
(LTCCs),
the
largest
subfamily
of
voltage-gated
(VGCCs),
are
main
for
Ca
2+
influx
during
extracellular
excitation.
LTCCs
widely
present
in
excitable
cells,
especially
cardiac
and
cardiovascular
smooth
muscle
participate
various
-dependent
processes.
have
been
considered
as
worthy
drug
target
cardiovascular,
neurological
psychological
diseases
decades.
Natural
products
from
Traditional
Chinese
medicine
(TCM)
shown
potential
new
drugs
treatment
related
diseases.
In
this
review,
basic
structure,
function
LTCCs,
human
caused
by
structural
or
functional
abnormalities
natural
antagonist
their
usages
were
summarized.
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(14), P. 7574 - 7574
Published: July 10, 2024
Depression
is
one
of
the
most
common
psychological
disorders
nowadays.
Studies
have
shown
that
20(S)-protopanaxatriol
(PPT)
can
effectively
improve
depressive
symptoms
in
mice.
However,
its
mechanism
needs
to
be
further
explored.
In
this
study,
we
used
an
integrated
approach
combining
network
pharmacology
and
transcriptomics
explore
potential
mechanisms
PPT
for
depression.
First,
targets
pathways
treatment
depression
were
screened
through
pharmacology.
Secondly,
BMKCloud
platform
was
obtain
brain
tissue
transcription
data
chronic
unpredictable
mild
stress
(CUMS)
model
mice
screen
PPT-altered
differential
expression
genes
(DEGs).
Gene
ontology
(GO)
analysis
Kyoto
Encyclopedia
Genes
Genomes
(KEGG)
performed
using
transcriptomics.
Finally,
above
results
verified
by
molecular
docking,
Western
blotting,
quantitative
real-time
polymerase
chain
reaction
(qRT-PCR).
demonstrated
improved
depression-like
behavior
histopathological
changes
CUMS
mice,
downregulated
nitric
oxide
(NO)
interleukin-6
(IL-6)
levels,
elevated
serum
levels
5-hydroxytryptamine
(5-HT)
brain-derived
neurotrophic
factor
(BDNF)
after
compared
group.
Eighty-seven
350
DEGs
identified
Comprehensive
showed
transthyretin
(TTR),
klotho
(KL),
FOS,
phosphatidylinositol
3-kinase–protein
kinase
B
(PI3K-AKT)
signaling
pathway
closely
associated
with
therapeutic
effects
PPT.
Molecular
docking
had
a
high
affinity
PI3K,
AKT,
TTR,
KL,
FOS
targets.
protein
level
could
increase
phosphorylation
PI3K
(p-PI3K),
AKT
(p-AKT),
KL
inhibit
depressed
Our
suggest
may
achieve
inhibiting
enhancing
TTR
modulating
PI3K-AKT
pathway.