Proceedings of the National Academy of Sciences,
Journal Year:
2022,
Volume and Issue:
119(46)
Published: Nov. 9, 2022
Most
genetic
studies
consider
autism
spectrum
disorder
(ASD)
and
developmental
(DD)
separately
despite
overwhelming
comorbidity
shared
etiology.
Here,
we
analyzed
de
novo
variants
(DNVs)
from
15,560
ASD
(6,557
SPARK)
31,052
DD
trios
independently
also
combined
as
broader
neurodevelopmental
disorders
(NDDs)
using
three
models.
We
identify
615
NDD
candidate
genes
(false
discovery
rate
[FDR]
<
0.05)
supported
by
≥1
models,
including
138
reaching
Bonferroni
exome-wide
significance
(P
3.64e-7)
in
all
The
group
into
five
functional
networks
associating
with
different
brain
lineages
based
on
single-cell
nuclei
transcriptomic
data.
find
no
evidence
for
ASD-specific
contrast
to
18
significantly
enriched
DD.
There
are
53
that
show
mutational
bias,
enrichments
missense
(n
=
41)
or
truncating
12)
DNVs.
10
of
male-
female-bias
enrichment,
4
X
chromosome
significant
female
burden
(DDX3X,
MECP2,
WDR45,
HDAC8).
This
large-scale
integrative
analysis
identifies
candidates
subsets
genes.
Science Advances,
Journal Year:
2023,
Volume and Issue:
9(41)
Published: Oct. 12, 2023
The
cellular
complexity
of
the
human
brain
is
established
via
dynamic
changes
in
gene
expression
throughout
development
that
mediated,
part,
by
spatiotemporal
activity
cis-regulatory
elements
(CREs).
We
simultaneously
profiled
and
chromatin
accessibility
45,549
cortical
nuclei
across
six
broad
developmental
time
points
from
fetus
to
adult.
identified
cell
type-specific
domains
which
highly
correlated
with
expression.
Differentiation
pseudotime
trajectory
analysis
indicates
at
CREs
precedes
transcription
structure
play
a
critical
role
neuronal
lineage
commitment.
In
addition,
we
mapped
temporally
specific
genetic
loci
implicated
neuropsychiatric
traits,
including
schizophrenia
bipolar
disorder.
Together,
our
results
describe
complex
regulation
composition
stages
determination
shed
light
on
impact
alterations
disease.
Proceedings of the National Academy of Sciences,
Journal Year:
2023,
Volume and Issue:
120(31)
Published: July 28, 2023
Autism
spectrum
disorder
(ASD)
has
a
complex
genetic
architecture
involving
contributions
from
both
de
novo
and
inherited
variation.
Few
studies
have
been
designed
to
address
the
role
of
rare
variation
or
its
interaction
with
common
polygenic
risk
in
ASD.
Here,
we
performed
whole-genome
sequencing
largest
cohort
multiplex
families
date,
consisting
4,551
individuals
1,004
having
two
more
autistic
children.
Using
this
study
design,
identify
seven
previously
unrecognized
ASD
genes
supported
by
majority
variants,
finding
support
for
total
74
our
152
after
combined
analysis
other
studies.
Autistic
children
demonstrate
an
increased
burden
protein-truncating
variants
known
genes.
We
also
find
that
score
(PGS)
is
overtransmitted
nonautistic
parents
who
harbor
consistent
combinatorial
effects
offspring,
which
may
explain
reduced
penetrance
these
parents.
observe
addition
social
dysfunction,
language
delay
associated
PGS
overtransmission.
These
results
are
additive
further
suggest
core
biological
feature
Nature Medicine,
Journal Year:
2023,
Volume and Issue:
29(7), P. 1671 - 1680
Published: June 26, 2023
Abstract
While
over
100
genes
have
been
associated
with
autism,
little
is
known
about
the
prevalence
of
variants
affecting
them
in
individuals
without
a
diagnosis
autism.
Nor
do
we
fully
appreciate
phenotypic
diversity
beyond
formal
autism
diagnosis.
Based
on
data
from
more
than
13,000
and
210,000
undiagnosed
individuals,
estimated
odds
ratios
for
to
rare
loss-of-function
(LoF)
185
alongside
2,492
displaying
intolerance
LoF
variants.
In
contrast
autism-centric
approaches,
investigated
correlates
these
We
show
that
are
small
but
significant
decrease
fluid
intelligence,
qualification
level
income
an
increase
metrics
related
material
deprivation.
These
effects
were
larger
autism-associated
other
LoF-intolerant
genes.
Using
brain
imaging
21,040
UK
Biobank,
could
not
detect
differences
overall
anatomy
between
carriers
non-carriers.
Our
results
highlight
importance
studying
effect
genetic
categorical
need
research
understand
association
sociodemographic
factors,
best
support
carrying
Science,
Journal Year:
2024,
Volume and Issue:
384(6698)
Published: May 23, 2024
The
complexity
and
heterogeneity
of
schizophrenia
have
hindered
mechanistic
elucidation
the
development
more
effective
therapies.
Here,
we
performed
single-cell
dissection
schizophrenia-associated
transcriptomic
changes
in
human
prefrontal
cortex
across
140
individuals
two
independent
cohorts.
Excitatory
neurons
were
most
affected
cell
group,
with
transcriptional
converging
on
neurodevelopment
synapse-related
molecular
pathways.
Transcriptional
alterations
included
known
genetic
risk
factors,
suggesting
convergence
rare
common
genomic
variants
neuronal
population-specific
schizophrenia.
Based
magnitude
change,
identified
populations
marked
by
expression
specific
excitatory
inhibitory
states.
This
atlas
links
to
etiological
contextualizing
established
knowledge
within
cortical
cytoarchitecture
facilitating
understanding
pathophysiology
heterogeneity.
Nature,
Journal Year:
2024,
Volume and Issue:
632(8026), P. 832 - 840
Published: July 11, 2024
Abstract
Around
60%
of
individuals
with
neurodevelopmental
disorders
(NDD)
remain
undiagnosed
after
comprehensive
genetic
testing,
primarily
protein-coding
genes
1
.
Large
genome-sequenced
cohorts
are
improving
our
ability
to
discover
new
diagnoses
in
the
non-coding
genome.
Here
we
identify
RNA
RNU4-2
as
a
syndromic
NDD
gene.
encodes
U4
small
nuclear
(snRNA),
which
is
critical
component
U4/U6.U5
tri-snRNP
complex
major
spliceosome
2
We
an
18
base
pair
region
mapping
two
structural
elements
U4/U6
snRNA
duplex
(the
T-loop
and
stem
III)
that
severely
depleted
variation
general
population,
but
heterozygous
variants
115
NDD.
Most
(77.4%)
have
same
highly
recurrent
single
insertion
(n.64_65insT).
In
54
whom
it
could
be
determined,
de
novo
were
all
on
maternal
allele.
demonstrate
expressed
developing
human
brain,
contrast
RNU4-1
other
homologues.
Using
sequencing,
show
how
5′
splice-site
use
systematically
disrupted
variants,
consistent
known
role
this
during
activation.
Finally,
estimate
explain
0.4%
This
work
underscores
importance
rare
will
provide
diagnosis
thousands
worldwide.