Harm Reduction Journal,
Journal Year:
2023,
Volume and Issue:
20(1)
Published: Aug. 16, 2023
Abstract
Background
The
opioid
crisis
continues
in
full
force,
as
physicians
and
caregivers
are
desperate
for
resources
to
help
patients
with
use
chronic
pain
disorders
find
safer
more
accessible
non-opioid
tools.
Main
body
purpose
of
this
article
is
review
the
current
state
epidemic;
shifting
picture
cannabinoids;
research,
policy,
events
that
make
risk
reduction
an
urgent
public
health
challenge.
provided
table
contains
evidence-based
clinical
framework
utilization
cannabinoids
treat
who
dependent
on
opioids,
seeking
alternatives
tapering
opioids.
Conclusion
Based
a
comprehensive
literature
epidemiological
evidence
date,
stand
be
one
most
interesting,
safe,
tools
available
attenuate
devastation
resulting
from
misuse
abuse
narcotics.
Considering
urgency
epidemic
broadening
cannabinoid
accessibility
amidst
absent
prescribing
guidelines,
authors
recommend
contexts
both
research
continuity
patient
care.
Biomolecules,
Journal Year:
2025,
Volume and Issue:
15(3), P. 368 - 368
Published: March 4, 2025
Cannabis
abuse
has
been
linked
to
acute
psychotic
symptoms
as
well
the
development
of
schizophrenia.
Although
association
described,
causation
not
yet
investigated.
Therefore,
we
investigated
whether
cannabis
or
cannabinoid
use
is
causal
for
schizophrenia,
conducting
a
systematic
literature
review
according
PRISM
guidelines.
Epidemiological
studies
and
randomized
clinical
trials
investigating
links
between
psychosis-like
events
(PLE)
schizophrenia
were
identified
(according
guidelines),
relevant
included
in
Forest
plot
analysis.
Confounder
analysis
was
performed
using
funnel
plot,
Hill
causality
criteria
used
estimate
causation.
A
total
18
fulfilled
search
criteria;
10
forest
plot.
All
reported
an
increased
risk
PLE
nine
ten
studies,
significant
increase;
overall
OR
calculated
be
2.88
(CI
2.24
3.70),
with
twofold-higher
during
adolescence.
effects
indicated
by
The
high
likelihood
contribution
development.
Cannabinoids
likely
contribute
chronic
especially
if
taken
This
effect
increases
THC
concentration
frequency
use,
stronger
males
than
females.
points
possibility
selective
toxicity
on
synaptic
plasticity
adolescence,
compared
adult
use.
should
regulated
discouraged,
prevention
efforts
strengthened,
reference
medRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 24, 2024
Summary
Background
Genetics
has
the
potential
to
inform
biologically
relevant
drug
treatment
and
repurposing
which
may
ultimately
improve
patient
care.
In
this
study,
we
combine
methods
leverage
genetics
of
psychiatric
disorders
prioritize
targets
compounds.
Methods
We
used
largest
available
genome-wide
association
studies,
in
European
ancestry,
four
[i.e.,
attention
deficit
hyperactivity
disorder
(ADHD),
bipolar
disorder,
depression,
schizophrenia]
along
with
genes
encoding
targets.
With
data,
conducted
enrichment
analyses
incorporating
novel
specific
GSA-MiXeR
tool.
then
a
series
molecular
trait
using
large-scale
transcriptomic
proteomic
datasets
sampled
from
brain
blood
tissue.
This
included
use
UK
Biobank
data
for
proteome-wide
study
disorders.
accumulated
evidence,
compounds
each
disorder.
Findings
reveal
candidate
shared
across
multiple
as
well
disorder-specific
Drug
prioritization
indicated
genetic
support
several
currently
psychotropic
medications
including
antipsychotic
paliperidone
top
ranked
schizophrenia.
also
observed
other
commonly
psychotropics
(e.g.,
clozapine,
risperidone,
duloxetine,
lithium,
valproic
acid).
Opportunities
were
revealed
such
cholinergic
drugs
ADHD,
estrogens
gabapentin
enacarbil
Our
findings
indicate
liability
schizophrenia
is
associated
reduced
expression
CYP2D6,
gene
metabolizer
neurotransmitters,
suggesting
risk
poor
response
altered
neurotransmission.
Interpretation
Here
present
complimentary
comprehensive
that
highlight
utility
informing
development
opportunities
refining
treatment.
medRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Feb. 20, 2024
Abstract
The
past
two
decades
have
seen
the
advent
and
mass
application
of
genome-wide
association
studies
(GWAS).
observation
that
complex
phenotypes
are
polygenic
has
contributed
to
development
score
(PGS)
for
understanding
individual-level
genetic
predisposition.
There
been
substantial
advances
in
PGS
methodology
recent
years.
However,
few
methods
leverage
pleiotropic
nature
prediction.
Here,
we
present
MiXeR-Pred,
a
novel
approach
prediction
builds
on
an
established
MiXeR
framework
source
overlap
with
secondary
phenotype
inform
primary
phenotype.
We
apply
MiXeR-Pred
using
both
bipolar
disorder
schizophrenia
as
along
following
phenotypes:
education
attainment,
major
depressive
disorder,
measures
cortical
brain
morphology.
compare
predictions
derived
from
each
phenotype’s
GWAS
addition
multi-trait
analysis
(MTAG)
approach,
which
can
use
correlated
boost
discovery
show
improves
performance
when
compared
MTAG
PGS,
regardless
Not
only
be
used
further
our
pleiotropy
among
phenotypes,
but
it
also
provides
conceptualization
how
one
improve
ultimately
contribute
advancements
personalized
medicine.
tool
is
available
at
https://github.com/precimed/mixer-pred
.
Molecular Psychiatry,
Journal Year:
2024,
Volume and Issue:
29(11), P. 3694 - 3705
Published: May 29, 2024
Abstract
Substance
use
disorders
represent
a
significant
public
health
concern
with
considerable
socioeconomic
implications
worldwide.
Twin
and
family-based
studies
have
long
established
heritable
component
underlying
these
disorders.
In
recent
years,
genome-wide
association
of
large,
broadly
phenotyped
samples
identified
regions
the
genome
that
harbour
genetic
risk
variants
associated
substance
These
enabled
discovery
putative
causal
genes
improved
our
understanding
relationships
among
other
traits.
Furthermore,
integration
data
clinical
information
has
yielded
promising
insights
into
how
individuals
respond
to
medications,
allowing
for
development
personalized
treatment
approaches
based
on
an
individual’s
profile.
This
review
article
provides
overview
advances
in
genetics
demonstrates
may
be
used
reduce
burden
disease
improve
outcomes.
medRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 18, 2024
Abstract
Individuals
with
schizophrenia
frequently
experience
co-occurring
substance
use,
including
tobacco
smoking
and
heavy
cannabis
use
disorders.
There
is
interest
in
understanding
the
extent
to
which
these
relationships
are
causal,
what
shared
genetic
factors
play
a
role.
We
explored
between
(Scz),
disorder
(CanUD),
ever-regular
(Smk)
using
largest
available
genome-wide
studies
of
phenotypes
individuals
African
European
ancestries.
All
three
were
positively
genetically
correlated
(r
g
s
=
0.17
–
0.62).Causal
inference
analyses
suggested
presence
horizontal
pleiotropy,
but
evidence
for
bidirectional
causal
was
also
found
all
even
after
correcting
pleiotropy.
identified
439
pleiotropic
loci
ancestry
data,
150
novel
(i.e.,
not
significant
original
studies).
Of
loci,
202
had
lead
variants
showed
convergent
effects
same
direction
effect)
on
Scz,
CanUD,
Smk.
Genetic
across
strong
correlations
risk-taking,
executive
function,
several
mental
health
conditions.
Our
results
suggest
that
both
pleiotropy
mechanisms
may
role
relationship
Smk,
longitudinal,
prospective
needed
confirm
relationship.
medRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 16, 2024
Cannabis
is
one
of
the
most
widely
used
drugs
globally.
Decriminalization
cannabis
further
increasing
consumption.
We
performed
genome-wide
association
studies
(GWASs)
lifetime
(N=131,895)
and
frequency
(N=73,374)
use.
Lifetime
use
GWAS
identified
two
loci,
near
CADM2
(rs11922956,
p=2.40E-11)
another
GRM3
(rs12673181,
p=6.90E-09).
Frequency
locus
(rs4856591,
p=8.10E-09;
r2
=0.76
with
rs11922956).
Both
traits
were
heritable
genetically
correlated
previous
GWASs
disorder
(CUD),
as
well
other
substance
cognitive
traits.
Polygenic
scores
(PGSs)
for
associated
phenotypes
in
AllofUs
participants.
Phenome-wide
study
PGS
a
hospital
cohort
replicated
associations
mood
disorders,
uncovered
celiac
infectious
diseases.
This
work
demonstrates
value
CUD
transition
risk
factors.
Psychological Medicine,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 13
Published: Dec. 6, 2024
Abstract
Background
The
association
between
cannabis
and
psychosis
is
established,
but
the
role
of
underlying
genetics
unclear.
We
used
data
from
EU-GEI
case-control
study
UK
Biobank
to
examine
independent
combined
effect
heavy
use
schizophrenia
polygenic
risk
score
(PRS)
on
for
psychosis.
Methods
Genome-wide
summary
statistics
Psychiatric
Genomics
Consortium
Genomic
Psychiatry
Cohort
were
calculate
disorder
(CUD)
PRS
1098
participants
143600
Biobank.
Both
datasets
had
information
use.
Results
In
both
samples,
independently
increased
Schizophrenia
was
not
associated
with
patterns
in
cases
or
controls
cases.
It
lifetime
daily
among
without
psychosis,
substantially
reduced
when
CUD
included
model.
sample,
regular
users
high-potency
highest
odds
being
a
case
(OR
adjusted
=
5.09,
95%
CI
3.08–8.43,
p
3.21
×
10
−10
).
found
no
evidence
interaction
Conclusions
Regular
remains
strong
predictor
psychotic
PRS,
which
does
seem
be
These
are
important
findings
at
time
increasing
potency
worldwide.