Nature Communications,
Journal Year:
2017,
Volume and Issue:
8(1)
Published: March 28, 2017
Abstract
Stress
is
a
ubiquitous
risk
factor
for
the
exacerbation
and
development
of
affective
disorders
including
major
depression
posttraumatic
stress
disorder.
Understanding
neurobiological
mechanisms
conferring
resilience
to
adverse
consequences
could
have
broad
implications
treatment
prevention
mood
anxiety
disorders.
We
utilize
laboratory
mice
their
innate
inter-individual
differences
in
stress-susceptibility
demonstrate
critical
role
endogenous
cannabinoid
2-arachidonoylglycerol
(2-AG)
stress-resilience.
Specifically,
systemic
2-AG
augmentation
associated
with
stress-resilient
phenotype
enhances
previously
susceptible
mice,
while
depletion
or
CB1
receptor
blockade
increases
susceptibility
resilient
mice.
Moreover,
stress-resilience
increased
phasic
2-AG-mediated
synaptic
suppression
at
ventral
hippocampal-amygdala
glutamatergic
synapses
amygdala-specific
impairs
successful
adaptation
repeated
stress.
These
data
indicate
amygdala
signalling
promote
effects
acute
traumatic
facilitate
exposure.
JAMA Psychiatry,
Journal Year:
2016,
Volume and Issue:
73(3), P. 292 - 292
Published: Feb. 4, 2016
With
a
political
debate
about
the
potential
risks
and
benefits
of
cannabis
use
as
backdrop,
wave
legalization
liberalization
initiatives
continues
to
spread.
Four
states
(Colorado,
Washington,
Oregon,
Alaska)
District
Columbia
have
passed
laws
that
legalized
for
recreational
by
adults,
23
others
plus
now
regulate
medical
purposes.
These
policy
changes
could
trigger
broad
range
unintended
consequences,
with
profound
lasting
implications
health
social
systems
in
our
country.
Cannabis
is
emerging
one
among
many
interacting
factors
can
affect
brain
development
mental
function.
To
inform
discourse
scientific
evidence,
literature
was
reviewed
identify
what
known
not
effects
on
human
behavior,
including
cognition,
motivation,
psychosis.
The International Journal of Neuropsychopharmacology,
Journal Year:
2020,
Volume and Issue:
23(6), P. 385 - 400
Published: March 12, 2020
There
are
few
medications
with
demonstrated
efficacy
for
the
treatment
of
posttraumatic
stress
disorder
(PTSD).
Treatment
guidelines
have
unequivocally
designated
psychotherapy
as
a
first
line
PTSD.
Yet,
even
after
psychotherapy,
PTSD
often
remains
chronic
illness,
high
rates
psychiatric
and
medical
comorbidity.
Meanwhile,
search
development
drugs
new
mechanisms
action
has
stalled.
Therefore,
there
is
an
urgent
need
to
explore
not
just
novel
compounds
but
approaches
A
promising
approach
involves
use
psychedelic
drugs.
Within
past
years,
2
psychedelics
received
breakthrough
designations
indications
from
US
Food
Drug
Administration,
several
currently
being
investigated
This
review
discusses
4
types
compounds:
3,4-methylenedioxymethamphetamine,
ketamine,
classical
(e.g.,
psilocybin
lysergic
acid
diethylamide),
cannabinoids.
We
describe
therapeutic
rationale,
setting
in
which
they
administered,
their
current
state
evidence
Each
compound
provides
unique
qualities
PTSD,
rapidly
target
symptoms
adjuncts
facilitate
psychotherapeutic
treatments.
Several
questions
formulated
that
outline
agenda
future
research.
Progress in Lipid Research,
Journal Year:
2018,
Volume and Issue:
71, P. 1 - 17
Published: May 8, 2018
2-Arachidonoylglycerol
(2-AG)
is
a
signaling
lipid
in
the
central
nervous
system
that
key
regulator
of
neurotransmitter
release.
2-AG
an
endocannabinoid
activates
cannabinoid
CB1
receptor.
It
involved
wide
array
(patho)physiological
functions,
such
as
emotion,
cognition,
energy
balance,
pain
sensation
and
neuroinflammation.
In
this
review,
we
describe
biosynthetic
metabolic
pathways
how
chemical
genetic
perturbation
these
has
led
to
insight
biological
role
lipid.
Finally,
discuss
potential
therapeutic
benefits
modulating
levels
brain.
Biological Psychiatry,
Journal Year:
2019,
Volume and Issue:
87(6), P. 538 - 547
Published: Aug. 13, 2019
BackgroundPosttraumatic
stress
disorder,
an
area
of
large
unmet
medical
needs,
is
characterized
by
persistence
fear
memories
and
maladaptive
responses.
In
rodents,
elevation
the
endocannabinoid
anandamide
due
to
inhibition
fatty
acid
amide
hydrolase
(FAAH)
facilitates
extinction
protects
against
anxiogenic
effects
stress.
We
recently
reported
that
elevated
levels
in
people
homozygous
for
a
loss-of-function
FAAH
mutation
are
associated
with
similar
phenotype,
suggesting
translational
validity
preclinical
findings.MethodsIn
this
double-blind,
placebo-controlled
experimental
medicine
study,
healthy
adults
were
randomized
inhibitor
(PF-04457845,
4
mg
orally,
once
daily;
n
=
16)
or
placebo
(n
29)
10
days.
On
days
9
10,
participants
completed
task
battery
assessing
psychophysiological
indices
learning,
reactivity,
stress-induced
affective
responses.ResultsFAAH
produced
10-fold
increase
baseline
anandamide.
This
was
potentiated
recall
memory
when
tested
24
hours
after
training.
also
attenuated
autonomic
assessed
via
electrodermal
activity,
protected
negative
affect,
measured
facial
electromyography.ConclusionsOur
data
provide
preliminary
human
evidence
can
improve
attenuate
stress,
direct
translation
rodent
findings.
The
beneficial
on
extinction,
as
well
stress-
affect-related
behaviors,
strong
rationale
developing
drug
class
treatment
posttraumatic
disorder.