The
WAVE
regulatory
pentameric
complex
regulates
actin
remodeling.
Two
components
of
it
(CYFIP2
and
NCKAP1)
are
encoded
by
genes
whose
genetic
mutations
increase
the
risk
for
autism
spectrum
disorder
(ASD)
related
neurodevelopmental
disorders.
Here,
we
use
a
newly
developed
computational
protocol
hotspot
analysis
to
uncover
functional
impact
these
at
interface
correct
isoforms
two
proteins
into
complex.
turn
out
be
located
on
surfaces
involving
largest
number
hotspots
Most
them
decrease
affinity
rest
complex,
but
some
have
opposite
effect.
results
fully
consistent
with
available
experimental
data.
observed
changes
in
stability
might
activation
ultimately
play
role
aberrant
pathway
leading
cell
derangement
associated
disease.
Current Opinion in Genetics & Development,
Год журнала:
2025,
Номер
91, С. 102322 - 102322
Опубликована: Фев. 8, 2025
Intellectual
disability
(ID)
is
a
broad
diagnostic
category
that
encompasses
individuals
with
impaired
cognitive
ability.
While
these
disorders
have
heterogeneous
causes,
recent
developments
in
next-generation
sequencing
(NGS)
are
revealing
the
prevalence
of
genetic
etiologies.
In
particular,
germline
mutations
genes
affect
RNA
splicing
increasingly
common
causes
ID
disorders.
Research
to
elucidate
functional
relationship
between
and
neurodevelopment
critical
since
molecular
therapeutics
require
nuanced
understanding
pathological
mechanism.
this
review,
we
first
summarize
trends
led
discovery
splicing-ID
relationship,
then
discuss
progress
future
directions
for
research
surrounding
neurodevelopment.
Finally,
speak
on
how
results
may
serve
as
foundation
burgeoning
therapies.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 16, 2025
Many
genes
are
linked
to
psychiatric
disorders,
but
genome-wide
association
studies
(GWAS)
and
differential
gene
expression
(DGE)
analyses
in
post-mortem
brain
tissue
often
implicate
distinct
sets.
This
disconnect
impedes
therapeutic
development,
which
relies
on
integrating
genetic
genomic
insights.
We
address
this
issue
using
a
novel
multivariate
technique
that
reduces
DGE
bias
by
leveraging
co-expression
networks
controlling
for
confounds
such
as
drug
exposure.
Deep
RNA
sequencing
was
performed
bulk
sgACC
from
individuals
with
bipolar
disorder
(BD;
N=35),
major
depression
(MDD;
N=51),
schizophrenia
(SCZ;
N=44),
controls
(N=55).
Toxicology
data
dimensionality
reduced
multiple
correspondence
analysis;
case-control
then
analyzed
1)
traditional
2)
group
regularized
canonical
correlation
analysis
(GRCCA)
-
regression
method
accounts
feature
interdependence.
Gene
set
enrichment
compared
results
established
neuropsychiatric
risk
genes,
ontology
pathways,
cell
type
enrichments.
GRCCA
revealed
significant
SCZ
(
P
perm
=0.001;
no
BD
or
MDD
association),
the
resulting
weight
vector
correlated
SCZ-control
t-statistics
R
=0.53;
<0.05).
Both
methods
indicated
down-regulation
of
immune
microglial
upregulation
ion
transport
excitatory
neuron
genes.
However,
at
both
transcript
level
showed
stronger
enrichments
(FDR<0.05).
Notably,
were
enriched
GWAS-implicated
(FDR<0.05),
while
not.
These
findings
identify
SCZ-specific
pattern
highlights
implicates
neuro-immune
thus
demonstrating
utility
approaches
integrate
signals.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2025,
Номер
unknown
Опубликована: Март 7, 2025
ABSTRACT
Monogenic
pediatric
neurodegenerative
disorders
can
reveal
fundamental
cellular
mechanisms
that
underlie
selective
neuronal
vulnerability.
TBCK-Encephaloneuronopathy
(TBCKE)
is
a
rare
autosomal
recessive
disorder
caused
by
stop-gain
variants
in
the
TBCK
gene.
Clinically,
patients
show
evidence
of
profound
neurodevelopmental
delays,
but
also
symptoms
progressive
encephalopathy
and
motor
neuron
disease.
Yet,
physiological
role
protein
remains
unclear.
We
report
human
TBCKE
model,
derived
from
iPSCs
homozygous
for
Boricua
variant
(p.R126X).
Using
unbiased
proteomic
analyses
neurons,
we
find
interacts
with
PPP1R21,
C12orf4,
Cryzl1,
consistent
being
part
FERRY
mRNA
transport
complex.
Loss
leads
to
depletion
C12ORF4
levels
across
multiple
cell
types,
suggesting
may
play
regulating
at
least
some
members
preferentially,
not
exclusively,
localizes
surface
endolysosomal
vesicles
colocalize
lysosomes.
Furthermore,
TBCK-deficient
neurons
have
reduced
content
axonal
compartment
relative
soma.
lysosomal
dynein/dynactin
adapter
JIP4,
which
functionally
exhibiting
striking
retrograde
trafficking
defects.
Hence,
our
work
reveals
mediate
mRNA,
particularly
along
lysosomes
compartments.
TBCK-deficiency
compartment-specific
defects
likely
contribute
preferential
susceptibility
neurodegeneration.
Asian Journal of Psychiatry,
Год журнала:
2025,
Номер
unknown, С. 104501 - 104501
Опубликована: Апрель 1, 2025
Alternative
splicing
(AS)
is
a
vital
and
highly
dynamic
RNA
regulatory
mechanism
that
allows
single
gene
to
generate
multiple
mRNA
protein
isoforms.
Dysregulation
of
AS
has
been
identified
as
key
contributor
the
pathogenesis
autism
spectrum
disorders
(ASD).
A
comprehensive
understanding
aberrant
mechanisms
their
functional
consequences
in
ASD
can
help
uncover
molecular
basis
disorder
facilitate
development
therapeutic
strategies.
This
review
focuses
on
major
events
regulators
associated
with
ASD,
highlighting
roles
linking
defective
pathogenesis.
In
addition,
discussion
how
emerging
technologies,
such
long-read
sequencing,
single-cell
spatial
transcriptomics
CRISPR-Cas
systems
are
offering
novel
insights
into
role
presented.
Finally,
splicing-based
strategies
evaluated,
emphasizing
potential
address
unmet
clinical
needs
treatment.
Essays in Biochemistry,
Год журнала:
2024,
Номер
unknown
Опубликована: Июнь 28, 2024
NUAK1
and
NUAK2
belong
to
a
family
of
kinases
related
the
catalytic
α-subunits
AMP-activated
protein
kinase
(AMPK)
complexes.
Despite
canonical
activation
by
tumour
suppressor
LKB1,
both
NUAKs
exhibit
spectrum
activities
that
favour
development
progression.
Here,
we
review
similarities
in
structure
function
NUAKs,
their
regulation
at
gene,
transcript
level,
discuss
phosphorylation
specific
downstream
targets
context
signal
transduction
pathways
biological
regulated
each
or
NUAKs.
Nucleic Acids Research,
Год журнала:
2024,
Номер
52(W1), С. W341 - W347
Опубликована: Май 6, 2024
Abstract
Genes
commonly
express
multiple
RNA
products
(RNA
isoforms),
which
differ
in
exonic
content
and
can
have
different
functions.
Making
sense
of
the
plethora
known
novel
isoforms
being
identified
by
transcriptomic
approaches
requires
a
user-friendly
way
to
visualize
gene
how
they
content,
expression
levels
potential
Here
we
introduce
IsoVis,
freely
available
webserver
that
accepts
user-supplied
data
visualizes
expressed
clear,
intuitive
manner.
IsoVis
contains
numerous
features,
including
ability
all
their
levels;
annotation
from
external
databases;
mapping
protein
domains
features
exons,
allowing
changes
sequence
function
between
be
established;
extensive
species
compatibility.
Datasets
visualised
on
remain
private
user,
analysis
sensitive
data.
visualisations
downloaded
create
publication-ready
figures.
The
enables
researchers
perform
isoform
analyses
without
requiring
programming
skills,
is
free
use,
at
https://isomix.org/isovis/.