bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 19, 2024
Abstract
RNA-binding
proteins
(RBPs)
perform
diverse
functions
including
the
regulation
of
chromatin
dynamics
and
coupling
transcription
with
RNA
processing.
However,
our
understanding
their
actions
in
mammalian
neurons
remains
limited.
Using
affinity
purification,
yeast-two-hybrid
proximity
ligation
assays,
we
identified
interactions
multiple
RBPs
NRL,
a
Maf-family
bZIP
factor
critical
for
retinal
rod
photoreceptor
development
function.
In
addition
to
splicing,
many
NRL-interacting
are
associated
R-loops,
which
form
during
increase
maturation.
Focusing
on
DHX9
helicase,
demonstrate
that
its
expression
is
modulated
by
NRL
NRL-DHX9
interaction
positively
influenced
R-loops.
ssDRIP-Seq
analysis
reveals
both
stranded
unstranded
R-loops
at
distinct
genomic
elements,
characterized
active
inactive
epigenetic
signatures
enriched
neuronal
genes.
binds
types
suggesting
an
epigenetically
independent
Our
findings
suggest
additional
highlight
complex
among
factors,
RBPs,
regulating
gene
retina.
RNA-binding
proteins
(RBPs)
perform
diverse
functions
including
the
regulation
of
chromatin
dynamics
and
coupling
transcription
with
RNA
processing.
However,
our
understanding
their
actions
in
mammalian
neurons
remains
limited.
Using
affinity
purification,
yeast-two-hybrid
proximity
ligation
assays,
we
identified
interactions
multiple
RBPs
NRL,
a
Maf-family
bZIP
factor
critical
for
retinal
rod
photoreceptor
development
function.
In
addition
to
splicing,
many
NRL-interacting
are
associated
R-loops,
which
form
during
increase
maturation.
Focusing
on
DHX9
helicase,
demonstrate
that
its
expression
is
modulated
by
NRL
NRL-DHX9
interaction
positively
influenced
R-loops.
ssDRIP-Seq
analysis
reveals
both
stranded
unstranded
R-loops
at
distinct
genomic
elements,
characterized
active
inactive
epigenetic
signatures
enriched
neuronal
genes.
binds
types
suggesting
an
epigenetically
independent
Our
findings
suggest
additional
highlight
complex
among
factors,
RBPs,
regulating
gene
retina.
RNA-binding
proteins
(RBPs)
perform
diverse
functions
including
the
regulation
of
chromatin
dynamics
and
coupling
transcription
with
RNA
processing.
However,
our
understanding
their
actions
in
mammalian
neurons
remains
limited.
Using
affinity
purification,
yeast-two-hybrid
proximity
ligation
assays,
we
identified
interactions
multiple
RBPs
neural
retina
leucine
(NRL)
zipper,
a
Maf-family
factor
critical
for
retinal
rod
photoreceptor
development
function.
In
addition
to
splicing,
many
NRL-interacting
are
associated
R-loops,
which
form
during
increase
maturation.
Focusing
on
DHX9
helicase,
demonstrate
that
its
expression
is
modulated
by
NRL
NRL–DHX9
interaction
positively
influenced
R-loops.
ssDRIP-Seq
analysis
reveals
both
stranded
unstranded
R-loops
at
distinct
genomic
elements,
characterized
active
inactive
epigenetic
signatures
enriched
neuronal
genes.
binds
types
suggesting
an
epigenetically
independent
Our
findings
suggest
additional
highlight
complex
among
factors,
RBPs,
regulating
gene
retina.
medRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2025,
Номер
unknown
Опубликована: Март 6, 2025
ABSTRACT
Comprehensively
characterizing
genotype-phenotype
correlations
(GPCs)
in
Mendelian
disease
would
create
new
opportunities
for
improving
clinical
management
and
understanding
biology.
However,
heterogeneous
approaches
to
data
sharing,
reuse,
analysis
have
hindered
progress
the
field.
We
developed
Genotype
Phenotype
Evaluation
of
Statistical
Association
(GPSEA),
a
software
package
that
leverages
Global
Alliance
Genomics
Health
(GA4GH)
Phenopacket
Schema
represent
case-level
genetic
about
individuals.
GPSEA
applies
an
independent
filtering
strategy
boost
statistical
power
detect
categorical
GPCs
represented
by
Human
Ontology
terms.
additionally
enables
visualization
continuous
phenotypes,
severity
scores,
survival
such
as
age
onset
or
manifestations.
applied
85
cohorts
with
6613
previously
published
individuals
variants
one
80
genes
associated
122
diseases
identified
225
significant
GPCs,
48
having
at
least
statistically
GPC.
These
results
highlight
standardized
representations
scalable
discovery
disease.
Growth Factors,
Год журнала:
2025,
Номер
unknown, С. 1 - 11
Опубликована: Апрель 3, 2025
DEAD-box
RNA
helicase
(DDX)
is
linked
to
the
invasion,
drug
resistance,
proliferation,
and
epithelial-mesenchymal
transition
of
tumour
cells.
This
study
examined
potential
mechanisms
DDX49
in
breast
cancer.
The
expression
cancer
tissues
cells
was
evaluated.
effects
on
migration
apoptosis
were
proteins
associated
with
JAK/STAT
pathway
examined.
A
xenograft
model
established.
elevated
cell
lines.
shDDX49
suppressed
ability
proliferate,
invade,
migrate,
but
promoted
apoptosis.
Conversely,
overexpression
exerted
an
opposite
effect.
activation
JAK-STAT
signalling
inhibited
by
shDDX49.
efficiently
inhibits
growth
mice
may
hinder
spread
inhibiting
pathway.
The
resources
required
to
study
gene
function
are
limited,
especially
when
considering
the
number
of
genes
in
human
genome
and
complexity
their
function.
Therefore,
prioritized
for
experimental
studies
based
on
many
different
considerations,
including,
but
not
limited
to,
perceived
biomedical
importance,
such
as
disease-associated
genes,
or
understanding
biological
processes,
cell
signalling
pathways.
At
same
time,
most
studied
under-characterized,
which
hampers
our
potential
effects
health
wellness.
Understanding
annotation
disparity
is
a
necessary
first
step
toward
how
much
functional
knowledge
gained
from
genome,
guidelines
better
targeting
future
effectively.
Here,
we
present
comprehensive
longitudinal
analysis
proteome
utilizing
data
tools
economics
information
theory.
Specifically,
view
population
proteins
within
economy:
treat
quantified
protein's
analogue
wealth
examine
distribution
manner
societies.
Our
results
show
highly
skewed
about
over
last
decade,
inequality
annotations
given
remains
high.
Additionally,
correlation
between
protein
captured
databases
interest
reflected
by
mentions
scientific
literature.
We
large
gap
dissect
factors
leading
this
gap.
In
conclusion,
shows
that
research
efforts
should
be
redirected
less
mitigate
among
both
The American Journal of Human Genetics,
Год журнала:
2024,
Номер
111(7), С. 1330 - 1351
Опубликована: Май 29, 2024
Epigenetic
dysregulation
has
emerged
as
an
important
etiological
mechanism
of
neurodevelopmental
disorders
(NDDs).
Pathogenic
variation
in
epigenetic
regulators
can
impair
deposition
histone
post-translational
modifications
leading
to
aberrant
spatiotemporal
gene
expression
during
neurodevelopment.
The
male-specific
lethal
(MSL)
complex
is
a
prominent
multi-subunit
regulator
and
responsible
for
4
lysine
16
acetylation
(H4K16ac).
Using
exome
sequencing,
here
we
identify
cohort
25
individuals
with
heterozygous
de
novo
variants
MSL
member
MSL2.
MSL2
were
associated
NDD
phenotypes
including
global
developmental
delay,
intellectual
disability,
hypotonia,
motor
issues
such
coordination
problems,
feeding
difficulties,
gait
disturbance.
Dysmorphisms
behavioral
and/or
psychiatric
conditions,
autism
spectrum
disorder,
lesser
extent,
seizures,
connective
tissue
disease
signs,
sleep
disturbance,
vision
other
organ
anomalies,
observed
affected
individuals.
As
molecular
biomarker,
sensitive
specific
DNA
methylation
episignature
been
established.
Induced
pluripotent
stem
cells
(iPSCs)
derived
from
three
members
our
exhibited
reduced
levels.
Remarkably,
while
NDD-associated
two
the
(MOF
MSL3)
result
H4K16ac,
H4K16ac
levels
are
unchanged
iPSCs
variants.
Regardless,
altered
targets
upon
their
differentiation
early
germ
layers.
Our
study
defines
MSL2-related
disorder
distinguishable
clinical
features,
blood
episignature,
distinct,
MSL2-specific
etiology
compared
complex-related
disorders.
medRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Фев. 13, 2024
Abstract
FLVCR1
encodes
Feline
leukemia
virus
subgroup
C
receptor
1
(FLVCR1),
a
solute
carrier
(SLC)
transporter
within
the
Major
Facilitator
Superfamily.
is
widely
expressed
transmembrane
protein
with
plasma
membrane
and
mitochondrial
isoforms
implicated
in
heme,
choline,
ethanolamine
transport.
While
Flvcr1
knockout
mice
die
utero
skeletal
malformations
defective
erythropoiesis
reminiscent
of
Diamond-Blackfan
anemia,
rare
biallelic
pathogenic
variants
are
linked
to
childhood
or
adult-onset
neurodegeneration
retina,
spinal
cord,
peripheral
nervous
system.
We
ascertained
from
research
clinical
exome
sequencing
27
individuals
20
unrelated
families
ultra-rare
missense
predicted
loss-of-function
(pLoF)
variant
alleles.
characterize
an
expansive
phenotypic
spectrum
ranging
retinitis
pigmentosa
severe
developmental
disorders
microcephaly,
reduced
brain
volume,
epilepsy,
spasticity,
premature
death.
The
most
severely
affected
individuals,
including
three
homozygous
pLoF
variants,
share
traits
anemia
macrocytic
congenital
malformations.
Pathogenic
primarily
lie
domains
reduce
choline
transport
activity
compared
wild-type
minimal
impact
on
stability
subcellular
localization.
Several
disrupt
splicing
mini-gene
assay
which
may
contribute
genotype-phenotype
correlations.
Taken
together,
these
data
support
allele-specific
gene
dosage
model
severity
reflects
residual
activity.
This
study
expands
our
understanding
Mendelian
demonstrates
importance
neurodevelopment
neuronal
homeostasis.
The Journal of Immunology,
Год журнала:
2024,
Номер
212(11), С. 1754 - 1765
Опубликована: Апрель 19, 2024
Mauritian-origin
cynomolgus
macaques
(MCMs)
serve
as
a
powerful
nonhuman
primate
model
in
biomedical
research
due
to
their
unique
genetic
homogeneity,
which
simplifies
experimental
designs.
Despite
extensive
use,
comprehensive
understanding
of
crucial
immune-regulating
gene
families,
particularly
killer
Ig-like
receptors
(KIR)
and
NK
group
2
(NKG2),
has
been
hindered
by
the
lack
detailed
genomic
reference
assemblies.
In
this
study,
we
employ
advanced
long-read
sequencing
techniques
completely
assemble
eight
KIR
seven
NKG2
haplotypes,
providing
an
insight
into
structural
allelic
diversity
these
immunoregulatory
clusters.
Leveraging
resources,
prototype
strategy
for
genotyping
using
short-read,
whole-exome
capture
data,
illustrating
potential
cost-effective
multilocus
at
colony
scale.
These
results
mark
significant
enhancement
MCMs
underscore
feasibility
broad-scale
investigations.