Cannabis and Cannabinoid Research,
Journal Year:
2021,
Volume and Issue:
7(3), P. 318 - 327
Published: June 29, 2021
Introduction:
There
is
widespread
acceptance
of
cannabis
for
medical
or
recreational
use
across
the
society,
including
pregnant
women.
Concerningly,
numerous
studies
find
that
developing
central
nervous
system
(CNS)
vulnerable
to
detrimental
effects
Δ9-tetrahydrocannabinol
(THC).
In
contrast,
almost
nothing
on
consequences
perinatal
cannabidiol
(CBD)
exposure.
this
study,
we
used
mice
investigate
adult
impact
cannabinoid
exposure
(PCE)
with
THC,
CBD,
a
1:1
ratio
THC
and
CBD
behaviors.
Furthermore,
lasting
PCE
fluoxetine
sensitivity
in
forced
swim
test
(FST)
was
evaluated
probe
neurochemical
pathways
interacting
endocannabinoid
(ECS).
Methods:
Pregnant
CD1
dams
were
injected
subcutaneously
daily
vehicle,
3
mg/kg
+3
from
gestational
day
5
postnatal
10.
Mass
spectroscopic
(MS)
analyses
conducted
measure
brain
levels
their
embryonic
progenies.
adults
subjected
battery
behavioral
tests:
open
field
arena,
sucrose
preference
test,
marble
burying
nestlet
shredding
FST.
Results:
MS
analysis
found
substantial
brains.
Our
testing
females
receiving
buried
significantly
more
marbles
than
control
mice.
Interestingly,
males
THC+CBD
had
increased
preference.
While
did
not
affect
FST
immobility,
prevented
decreasing
immobility
both
females.
Excitingly,
fatty
acid
amide
hydrolase
(FAAH)
inhibition
dose
URB597
behaviorally
inactive
rescued
efficacy
sexes.
Conclusions:
data
suggest
either
alters
repetitive
hedonic
behaviors
phytocannabinoid
sex-dependent
manner.
addition,
prevents
enhancing
coping
behavior.
The
restoration
responsiveness
by
FAAH
suggests
causes
reduction
ECS
enhancement
anandamide
signaling
represents
potential
treatment
deficits
following
PCE.
Frontiers in Behavioral Neuroscience,
Journal Year:
2019,
Volume and Issue:
13
Published: Feb. 19, 2019
The
rise
in
cannabinoid
legalization
and
decriminalization
the
US
has
been
paired
with
an
increase
adolescents
that
perceive
marijuana
as
a
"no
risk"
drug.
However,
comprehensive
review
of
human
literature
indicates
usage
may
have
both
beneficial
detrimental
effects,
adolescent
exposure
being
critical
window
for
harming
cognitive
development.
Although
cannabinoids
Δ9-tetrahydrocannabinol
(THC)
cannabidiol
(CBD)
are
often
used
together
recreational
medical
purposes,
no
study
previously
observed
acute
long-lasting
effects
THC+CBD
battery
behavioral
assays
analogous
to
subjective
reports.
current
long-term
THC,
CBD,
on
object
memory,
anxiety-like
behavior,
activity
levels
adult
mice
sexes.
Acute
THC
alone
combination
CBD
resulted
robust
locomotor
behavior.
A
history
repeated
treatment
followed
by
period
without
drug
administration
minimal
these
assays.
Most
notably,
strongest
were
seen
females
administered
THC+CBD,
which
significantly
impaired
their
recognition.
No
present
hippocampal
protein
expression.
These
studies
represent
detailed
examination
age-
sex-effects
administration.
additional
behaviors
adults
will
need
be
examined
more
complete
picture
effects.
Clinical Epigenetics,
Journal Year:
2021,
Volume and Issue:
13(1)
Published: Jan. 6, 2021
Use
of
cannabidiol
(CBD),
the
primary
non-psychoactive
compound
found
in
cannabis,
has
recently
risen
dramatically,
while
relatively
little
is
known
about
underlying
molecular
mechanisms
its
effects.
Previous
work
indicates
that
direct
CBD
exposure
strongly
impacts
brain,
with
anxiolytic,
antidepressant,
antipsychotic,
and
other
effects
being
observed
animal
human
studies.
The
epigenome,
particularly
DNA
methylation,
responsive
to
environmental
input
can
persistent
patterns
gene
regulation
impacting
phenotype.
Epigenetic
perturbation
impactful
during
embryogenesis,
when
exogenous
exposures
disrupt
critical
resetting
epigenetic
marks
impart
phenotypic
lasting
into
adulthood.
impact
prenatal
not
been
evaluated;
however,
studies
using
psychomimetic
cannabinoid
Δ9-tetrahydrocannabinol
(THC)
have
identified
detrimental
on
psychological
outcomes
developmentally
exposed
adult
offspring.
We
hypothesized
developmental
would
similar
negative
behavior
mediated
part
by
epigenome.
Nulliparous
female
wild-type
Agouti
viable
yellow
(Avy)
mice
were
20
mg/kg
or
vehicle
daily
from
two
weeks
prior
mating
through
gestation
lactation.
Coat
color
shifts,
a
readout
methylation
at
locus
this
strain,
measured
F1
Avy/a
Young
a/a
offspring
then
subjected
tests
working
spatial
memory
anxiety/compulsive
behavior.
Reduced-representation
bisulfite
sequencing
was
performed
both
F0
cerebral
cortex
hippocampus
identify
genome-wide
changes
for
exposure,
respectively.F1
development
exhibited
increased
anxiety
improved
sex-specific
manner.
Further,
no
significant
coat
shift
offspring,
thousands
differentially
methylated
loci
(DMLs)
brain
regions
functional
enrichment
neurogenesis,
substance
use
phenotypes,
psychologically
relevant
terms.These
findings
demonstrate
first
time
despite
positive
associated
mixed
behavioral
Biomolecules,
Journal Year:
2023,
Volume and Issue:
13(1), P. 162 - 162
Published: Jan. 12, 2023
Cannabis
is
one
of
the
oldest
crops
grown,
traditionally
held
religious
attachments
in
various
cultures
for
its
medicinal
use
much
before
introduction
to
Western
medicine.
Multiple
preclinical
and
clinical
investigations
have
explored
beneficial
effects
cannabis
neurocognitive
neurodegenerative
diseases
affecting
cognitive
domains.
Tetrahydrocannabinol
(THC),
major
psychoactive
component,
responsible
cognition-related
deficits,
while
cannabidiol
(CBD),
a
non-psychoactive
phytocannabinoid,
has
been
shown
elicit
neuroprotective
activity.
In
present
integrative
review,
authors
focus
on
different
domains,
including
learning,
consolidation,
retrieval.
The
study
first
attempt
which
significant
imparted
all
three
aspects
cognition,
thus
linking
usage.
Furthermore,
investigators
also
depicted
current
legal
position
India
requirement
reforms.
Frontiers in Psychiatry,
Journal Year:
2018,
Volume and Issue:
9
Published: July 2, 2018
Marijuana
is
the
most
commonly
used
drug
of
abuse
among
adolescents.
Considerable
clinical
evidence
supports
hypothesis
that
adolescent
neurodevelopmental
exposure
to
high
levels
principal
psychoactive
component
in
marijuana,
-delta-9-tetrahydrocanabinol
(THC),
associated
with
a
risk
developing
psychiatric
diseases,
such
as
schizophrenia
later
life.
This
marijuana-associated
believed
be
related
increasing
THC
found
within
marijuana
strains.
Adolescence
highly
vulnerable
period
for
development
brain,
where
inhibitory
GABAergic
system
plays
pivotal
role
maturation
regulatory
control
mechanisms
central
nervous
(CNS).
Specifically,
neurodevelopment
represents
critical
wherein
connectivity
between
higher-order
cortical
regions
and
sub-cortical
emotional
processing
circuits
mesolimbic
dopamine
(DA)
established.
Emerging
preclinical
demonstrates
selectively
targets
schizophrenia-related
molecular
neuropharmacological
signaling
pathways
both
regions,
including
prefrontal
cortex
(PFC)
DA
pathway,
comprising
ventral
tegmental
area
(VTA)
nucleus
accumbens
(NAc).
Prefrontal
hypofunction
key
feature
schizophrenia-like
neuropsychopathology.
may
lead
loss
PFC
regulate
proper
neurotransmission,
thereby
leading
symptoms.
review
summarizes
demonstrating
reduced
neurotransmission
has
DAergic
dysregulation
behaviours
observed
following
exposure.
European Neuropsychopharmacology,
Journal Year:
2023,
Volume and Issue:
72, P. 79 - 94
Published: April 23, 2023
The
endocannabinoid
system
is
a
promising
candidate
for
anxiolytic
therapy,
but
translation
to
the
clinic
has
been
lagging.
We
meta-analyzed
evidence
anxiety-reduction
by
compounds
that
facilitate
signaling
in
humans
and
animals.
To
identify
areas
of
specific
potential,
effects
moderators
were
assessed.
Literature
was
searched
Pubmed
Embase
up
May
2021.
A
placebo/vehicle-control
group
required
human
studies,
randomization.
excluded
studies
co-administered
other
substances.
Risk
bias
assessed
with
SYRCLE's
RoB
tool
Cochrane
2.0.
conducted
three-level
random
meta-analyses
explored
sources
heterogeneity
using
Bayesian
regularized
meta-regression
(BRMA).
systematic
review
yielded
134
studies.
analyzed
120
(114
animal,
6
human)
investigated
cannabidiol
(CBD,
61),
URB597
(39),
PF-3845
(6)
AM404
(14).
Pooled
on
conditioned
unconditioned
anxiety
animals
(with
exception
anxiety)
experimentally
induced
favored
investigational
drugs
over
placebo/vehicle.
Publication
year
negatively
associated
CBD
anxiety.
Compared
approach
avoidance
tests,
tests
repetitive-compulsive
behavior
larger
URB597,
social
interaction
test
smaller
URB597.
Larger
observed
when
pre-existed.
Studies
reported
few
side
at
therapeutic
doses.
quality
low
indications
publication
bias.
More
clinical
trials
are
needed
translate
overall
positive
results
applications.
British Journal of Pharmacology,
Journal Year:
2018,
Volume and Issue:
176(10), P. 1506 - 1523
Published: Feb. 21, 2018
Numerous
claims
are
made
for
cannabis'
therapeutic
utility
upon
human
seizures,
but
concerns
persist
about
risks.
A
potential
confounder
is
the
presence
of
both
Δ9
-tetrahydrocannabinol
(THC),
variously
reported
to
be
pro-
and
anticonvulsant,
cannabidiol
(CBD),
widely
confirmed
as
anticonvulsant.
Therefore,
we
investigated
effects
prolonged
exposure
different
THC/CBD
cannabis
extracts
on
seizure
activity
associated
measures
endocannabinoid
(eCB)
system
signalling.Cannabis
extract
in
vivo
neurological
behavioural
responses,
bioanalyte
levels,
were
measured
rats
dogs.
Extract
using
electroencephalography
telemetry
rats.
eCB
signalling
was
also
radioligand
binding
extract-treated
treatment-naïve
rat,
mouse,
chicken,
dog
tissue.Prolonged
caused
spontaneous,
generalized
subserved
by
epileptiform
discharges
rats,
not
dogs,
produced
higher
THC,
lower
11-hydroxy-THC
(11-OH-THC)
CBD,
plasma
concentrations
versus
In
same
impaired
cannabinoid
type
1
receptor
(CB1
receptor)-mediated
signalling.
Profiling
CB1
expression,
basal
activity,
extent
activation
sensitivity
THC
suggested
interspecies
differences
signalling,
being
more
pronounced
a
species
that
exhibited
extract-induced
seizures
(rat)
than
one
did
(dog).Sustained
treatment
differential
seizure,
levels
between
Supporting
data
suggest
Interspecies
variations
may
have
important
implications
predicting
cannabis-induced
convulsions
from
animal
models.This
article
part
themed
section
8th
European
Workshop
Cannabinoid
Research.
To
view
other
articles
this
visit
http://onlinelibrary.wiley.com/doi/10.1111/bph.v176.10/issuetoc.