Nature,
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 1, 2024
Abstract
The
human
brain
develops
through
a
tightly
organized
cascade
of
patterning
events,
induced
by
transcription
factor
expression
and
changes
in
chromatin
accessibility.
Although
gene
across
the
developing
has
been
described
at
single-cell
resolution
1
,
similar
atlases
accessibility
have
primarily
focused
on
forebrain
2–4
.
Here
we
describe
paired
entire
during
first
trimester
(6–13
weeks
after
conception).
We
defined
135
clusters
used
multiomic
measurements
to
link
candidate
cis
-regulatory
elements
expression.
number
accessible
regions
increased
both
with
age
along
neuronal
differentiation.
Using
convolutional
neural
network,
identified
putative
functional
factor-binding
sites
enhancers
characterizing
subtypes.
applied
this
model
linked
ESRRB
elucidate
its
activation
mechanism
Purkinje
cell
lineage.
Finally,
linking
disease-associated
single
nucleotide
polymorphisms
elements,
validated
pathogenic
mechanisms
several
diseases
midbrain-derived
GABAergic
neurons
as
being
most
vulnerable
major
depressive
disorder-related
mutations.
Our
findings
provide
more
detailed
view
key
regulatory
underlying
emergence
types
comprehensive
reference
for
future
studies
related
neurodevelopment.
Psychiatry Research,
Journal Year:
2023,
Volume and Issue:
327, P. 115265 - 115265
Published: May 27, 2023
Cluster
analyzes
have
been
widely
used
in
mental
health
research
to
decompose
inter-individual
heterogeneity
by
identifying
more
homogeneous
subgroups
of
individuals.
However,
despite
advances
new
algorithms
and
increasing
popularity,
there
is
little
guidance
on
model
choice,
analytical
framework
reporting
requirements.
In
this
paper,
we
aimed
address
gap
introducing
the
philosophy,
design,
advantages/disadvantages
implementation
major
that
are
particularly
relevant
research.
Extensions
basic
models,
such
as
kernel
methods,
deep
learning,
semi-supervised
clustering,
clustering
ensembles
subsequently
introduced.
How
choose
common
issues
well
methods
for
pre-clustering
data
processing,
evaluation
validation
then
discussed.
Importantly,
also
provide
general
workflow
To
facilitate
different
algorithms,
information
R
functions
libraries.
Nature Medicine,
Journal Year:
2023,
Volume and Issue:
29(5), P. 1232 - 1242
Published: April 24, 2023
Abstract
Recent
studies
proposed
a
general
psychopathology
factor
underlying
common
comorbidities
among
psychiatric
disorders.
However,
its
neurobiological
mechanisms
and
generalizability
remain
elusive.
In
this
study,
we
used
large
longitudinal
neuroimaging
cohort
from
adolescence
to
young
adulthood
(IMAGEN)
define
neuropsychopathological
(NP)
across
externalizing
internalizing
symptoms
using
multitask
connectomes.
We
demonstrate
that
NP
might
represent
unified,
genetically
determined,
delayed
development
of
the
prefrontal
cortex
further
leads
poor
executive
function.
also
show
be
reproducible
in
multiple
developmental
periods,
preadolescence
early
adulthood,
generalizable
resting-state
connectome
clinical
samples
(the
ADHD-200
Sample
STRATIFY
&
ESTRA
Project).
conclusion,
identify
neural
basis
mental
health
disorders,
bridging
multidimensional
evidence
behavioral,
genetic
substrates.
These
findings
may
help
develop
new
therapeutic
interventions
for
comorbidities.
Human Molecular Genetics,
Journal Year:
2020,
Volume and Issue:
29(R1), P. R10 - R18
Published: June 9, 2020
Abstract
With
progress
in
genome-wide
association
studies
of
depression,
from
identifying
zero
hits
~16
000
individuals
2013
to
223
more
than
a
million
2020,
understanding
the
genetic
architecture
this
debilitating
condition
no
longer
appears
be
an
impossible
task.
The
pressing
question
now
is
whether
recently
discovered
variants
describe
etiology
single
disease
entity.
There
are
myriad
ways
measure
and
operationalize
depression
severity,
major
depressive
disorder
as
defined
Diagnostic
Statistical
Manual
Mental
Disorders-5
can
manifest
10
based
on
symptom
profiles
alone.
Variations
developmental
timing,
comorbidity
environmental
contexts
across
samples
further
add
heterogeneity.
big
data
increasingly
enabling
genomic
discovery
psychiatry,
it
timely
ever
explicitly
disentangle
contributions
what
likely
‘depressions’
rather
depression.
Here,
we
introduce
three
sources
heterogeneity:
operationalization,
manifestation
etiology.
We
review
recent
efforts
identify
subtypes
using
clinical
data-driven
approaches,
examine
differences
contexts,
argue
that
heterogeneity
operationalizations
considerable
source
inconsistency.
Finally,
offer
recommendations
considerations
for
field
going
forward.
Human Brain Mapping,
Journal Year:
2020,
Volume and Issue:
43(1), P. 37 - 55
Published: May 18, 2020
Abstract
Neuroimaging
has
been
extensively
used
to
study
brain
structure
and
function
in
individuals
with
attention
deficit/hyperactivity
disorder
(ADHD)
autism
spectrum
(ASD)
over
the
past
decades.
Two
of
main
shortcomings
neuroimaging
literature
these
disorders
are
small
sample
sizes
employed
heterogeneity
methods
used.
In
2013
2014,
ENIGMA‐ADHD
ENIGMA‐ASD
working
groups
were
respectively,
founded
a
common
goal
address
limitations.
Here,
we
provide
narrative
review
thus
far
completed
still
ongoing
projects
groups.
Due
an
implicitly
hierarchical
psychiatric
diagnostic
classification
system,
fields
ADHD
ASD
have
developed
largely
isolation,
despite
considerable
overlap
occurrence
disorders.
The
collaboration
between
‐ASD
seeks
bring
efforts
two
closer
together.
outcomes
case–control
studies
subcortical
cortical
structures
showed
that
volumes
similarly
affected
ADHD,
albeit
effect
sizes.
Cortical
analyses
identified
unique
differences
each
disorder,
but
also
two,
specifically
thickness.
Ongoing
work
is
examining
alternative
research
questions,
such
as
laterality,
prediction
status,
anatomical
heterogeneity.
brief,
great
strides
made
toward
fulfilling
aims
ENIGMA
collaborations,
while
new
ideas
follow‐up
continue
include
more
imaging
modalities
(diffusion
MRI
resting‐state
functional
MRI),
collaborations
other
large
databases,
samples
dual
diagnoses.
American Journal of Psychiatry,
Journal Year:
2020,
Volume and Issue:
178(2), P. 174 - 182
Published: June 30, 2020
Objective:
Neuroimaging
research
has
revealed
that
structural
brain
alterations
are
common
across
broad
diagnostic
families
of
disorders
rather
than
specific
to
a
single
psychiatric
disorder.
Such
overlap
in
the
correlates
mental
mirrors
already
well-documented
phenotypic
comorbidity
symptoms
and
diagnoses,
which
can
be
indexed
by
general
psychopathology
or
p
factor.
The
authors
hypothesized
if
drives
convergence
disorders,
then
1)
there
should
few
associations
unique
any
one
family
2)
with
factor
those
for
broader
families.
Methods:
Analyses
were
conducted
on
MRI
data
collected
from
861
members
population-representative
Dunedin
Multidisciplinary
Health
Development
Study
at
age
45.
Results:
high
scores
three
(externalizing,
internalizing,
thought
disorder)
exhibited
highly
overlapping
patterns
reduced
global
widely
distributed
parcel-wise
neocortical
thickness.
thickness
nearly
identical
associated
Conclusions:
A
pattern
pervasively
appears
all
forms
may
represent
transdiagnostic
feature
psychopathology.
As
been
documented
regard
underlying
not
exhibit
specificity,
continued
pursuit
such
limit
progress
toward
more
effective
strategies
etiological
understanding,
prevention,
intervention.
medRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2020,
Volume and Issue:
unknown
Published: Dec. 2, 2020
Abstract
The
Lundbeck
Foundation
Integrative
Psychiatric
Research
(iPSYCH)
consortium
has
almost
doubled
its
Danish
population-based
Case–Cohort
sample
(iPSYCH2012).
newly
updated
cohort,
named
iPSYCH2015,
expands
the
study
base
with
56,233
samples,
to
a
combined
total
of
141,265
samples.
cohort
is
nested
within
population
born
between
1981
and
2008
Case-Cohort
design
including
50,615
controls.
We
added
more
cases
existing
phenotypes
identified
with,
schizophrenia
(N
new
=4,131/N
=8,113),
autism
=8,056
/
N
=24,975),
attention-deficit/hyperactivity
disorder
=10,026/N
=29,668)
affective
=13,999/N
=40,482)
which
subset
bipolar
(N-
=1,656/N
=3,819).
also
two
additional
focus
phenotypes,
spectrum
(N=16,008)
post-partum
(N=3,421).
In
total,
expanded
iPSYCH2015
consists
93,608
unique
individuals
in
case
groups
For
expansion,
DNA
was
extracted
amplified
from
dried
blood
spots
samples
stored
Neonatal
Screening
Biobank
genotyped
using
Illumina
Global
Array.
retrieval
rate
95%,
genotyping
success
92%
(97%
retrieved).
follow-up
period
by
three
years,
data
such
as
longitudinal
information
on
health,
prescribed
medicine,
social
socioeconomic
information.