Brain-wide pleiotropy investigation of alcohol drinking and tobacco smoking behaviors
Translational Psychiatry,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: Feb. 20, 2025
To
investigate
the
pleiotropic
mechanisms
linking
brain
structure
and
function
to
alcohol
drinking
tobacco
smoking,
we
integrated
genome-wide
data
generated
by
GWAS
Sequencing
Consortium
of
Alcohol
Nicotine
use
(GSCAN;
up
805,431
participants)
with
information
related
3935
imaging-derived
phenotypes
(IDPs)
available
from
UK
Biobank
(N
=
33,224).
We
observed
global
genetic
correlation
smoking
behaviors
white
matter
hyperintensities,
morphology
superior
longitudinal
fasciculus,
mean
thickness
pole-occipital.
With
respect
latter
IDP,
identified
a
local
age
at
which
individual
began
regularly
(hg38
chr2:35,895,678-36,640,246:
rho
1,
p
1.01
×
10-5).
This
region
has
been
previously
associated
initiation,
educational
attainment,
chronotype,
cortical
thickness.
Our
genetically
informed
causal
inference
analysis
using
both
latent
variable
approach
Mendelian
randomization
linked
activity
prefrontal
premotor
cortex
that
inferior
precentral
sulci,
cingulate
sulci
number
alcoholic
drinks
per
week
(genetic
causality
proportion,
gcp
0.38,
8.9
10-4,
-0.18
±
0.07;
inverse
variance
weighting,
IVW
beta
-0.04,
95%CI
-0.07--0.01).
relationship
could
be
role
these
regions
in
modulation
reward-seeking
motivation
processing
social
cues.
Overall,
our
brain-wide
investigation
highlighted
different
likely
contribute
suggesting
decision-making
activities
chemosensory
as
modulators
propensity
towards
consumption.
Language: Английский
Gene discovery and pleiotropic architecture of Chronic Pain in a Genome-wide Association Study of >1.2 million Individuals
medRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 5, 2025
ABSTRACT
Chronic
pain
is
highly
prevalent
worldwide,
and
genome-wide
association
studies
(GWAS)
have
identified
a
growing
number
of
chronic
loci.
To
further
elucidate
its
genetic
architecture,
we
leveraged
data
from
1,235,695
European
ancestry
individuals
across
three
biobanks.
In
meta-analytic
GWAS,
343
independent
loci
for
pain,
92
which
were
new.
Sex-specific
meta-analyses
revealed
115
(12
new)
males
(N
=
583,066)
12
(two
females
241,266).
Multi-omics
gene
prioritization
analyses
highlighted
490
genes
associated
with
through
their
effects
on
brain-
blood-specific
regulation.
Loci
increased
risk
also
multiple
other
traits,
Mendelian
randomization
showing
that
was
causally
psychiatric
disorders,
substance
use
C-reactive
protein
levels.
variants
exhibited
pleiotropic
associations
cortical
area
brain
structures.
This
study
expands
our
knowledge
the
genetics
pathogenesis,
highlighting
importance
pleiotropy
disorders
elucidating
multi-omic
pathophysiology.
Language: Английский
Alcohol use disorder and body mass index show genetic pleiotropy and shared neural associations
Nature Human Behaviour,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 31, 2025
Language: Английский
Alcohol use disorder and body mass index show genetic pleiotropy and shared neural associations
Samantha G. Malone,
No information about this author
Christal N. Davis,
No information about this author
Zachary Piserchia
No information about this author
et al.
medRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 5, 2024
Abstract
Despite
neurobiological
overlap,
alcohol
use
disorder
(AUD)
and
body
mass
index
(BMI)
show
minimal
genetic
correlation
(r
g
),
possibly
due
to
mixed
directions
of
shared
variants.
We
applied
MiXeR
investigate
architecture
between
AUD
BMI,
conjunctional
false
discovery
rate
(conjFDR)
detect
loci
their
directional
effect,
Local
Analysis
(co)Variant
Association
(LAVA)
for
local
r
,
Functional
Mapping
Annotation
(FUMA)
identify
lead
single
nucleotide
polymorphisms
(SNPs),
Genotype-Tissue
Expression
(GTEx)
examine
tissue
enrichment,
BrainXcan
assess
associations
with
brain
phenotypes.
indicated
82.2%
polygenic
despite
a
−.03.
ConjFDR
identified
132
SNPs,
53
novel,
showing
both
concordant
discordant
effects.
GTEx
analyses
overexpression
in
multiple
regions.
Amygdala
caudate
nucleus
volumes
were
associated
BMI.
Opposing
variant
effects
explain
the
rg
implicated
regions
involved
executive
function
reward,
clarifying
overlap
mechanisms.
Language: Английский
Brain-wide pleiotropy investigation of alcohol drinking and tobacco smoking behaviors
medRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 28, 2024
ABSTRACT
To
investigate
the
pleiotropic
mechanisms
linking
brain
structure
and
function
to
alcohol
drinking
tobacco
smoking,
we
integrated
genome-wide
data
generated
by
GWAS
Sequencing
Consortium
of
Alcohol
Nicotine
use
(GSCAN;
up
805,431
participants)
with
information
related
3,935
imaging-derived
phenotypes
(IDPs)
available
from
UK
Biobank
(N=33,224).
We
observed
global
genetic
correlation
smoking
behaviors
white
matter
hyperintensities,
morphology
superior
longitudinal
fasciculus,
mean
thickness
pole-occipital.
With
respect
latter
IDP,
identified
a
local
age
at
which
individual
began
regularly
(hg38
chr2:35,895,678-36,640,246:
rho=1,
p=1.01×10
−5
).
This
region
has
been
previously
associated
initiation,
educational
attainment,
chronotype,
cortical
thickness.
Our
genetically
informed
causal
inference
analysis
using
both
latent
variable
approach
Mendelian
randomization
linked
activity
prefrontal
premotor
cortex
that
inferior
precentral
sulci,
cingulate
sulci
number
alcoholic
drinks
per
week
(genetic
causality
proportion,
gcp=0.38,
p=8.9×10
−4
,
rho=-0.18±0.07;
inverse
variance
weighting,
IVW
beta=-0.04,
95%CI=-0.07
–
−0.01).
relationship
could
be
role
these
regions
in
modulation
reward-seeking
motivation
processing
social
cues.
Overall,
our
brain-wide
investigation
highlighted
different
likely
contribute
suggesting
decision-making
activities
chemosensory
as
modulators
propensity
towards
consumption.
Language: Английский
Opioid use disorder and brain health: observational and genetic associations
medRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 19, 2024
Abstract
Background
The
long-term
impact
of
opioid
use
disorder
(OUD)
on
brain
health
has
been
little
explored
although
potentially
high
public
importance.
Objectives
To
investigate
the
potential
causal
OUD
later
life
outcomes,
including
dementia,
stroke
and
structure.
Methods
Observational
Mendelian
randomization
(MR)
analyses
were
conducted.
Participants
included
in
observational
enrolled
US
Million
Veteran
Program
(MVP).
Cox
proportional
hazards
used
to
examine
association
between
electronic
record
(EHR)-derived
diagnoses
incident
dementia
European
African
ancestry
populations.
Two-sample
MR
was
applied
explore
genetic
predisposition
as
well
key
endophenotypes
Several
for
insight
into
aetiological
pathways,
cis-MR
assess
genetically-proxied
receptor
perturbation,
Bayesian
colocalization,
polygenic
risk
score
longitudinal
changes
non-opioid
users
from
Lifebrain
project
(n=229).
Results
Amongst
222,518
MVP
participants,
8397
developed
during
follow
up.
with
(n=9,399)
younger
more
likely
be
male.
In
analyses,
associated
a
higher
all-cause
(hazard
ratio
[HR]=1.56,
95%
confidence
interval
[CI]
[1.39,1.76];p=2.23×10
-13
),
Alzheimer’s
[HR=1.40[1.04,1.87];
p=0.02)
vascular
(HR=1.49[1.19,1.86];p=0.0004).
analysis,
also
risk.
A
doubling
prevalence
77%
increase
odds
(IVW
OR=1.77[1.43,2.19];p=1.69×10
⁻⁷
).
Variation
μ-opioid
genes
strongly
No
significant
associations
observed
structure
users,
nor
lower
powered
non-European
groups.
Conclusions
These
findings
suggest
dementia.
Genetic
supported
an
role
pathways.
Further
pharmacovigilance
investigation
effects
opioids
are
warranted.
Language: Английский