Journal of Medicinal Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 19, 2025
RBM39
is
an
essential
component
of
the
spliceosome,
playing
a
critical
role
in
maintaining
mRNA
integrity.
Its
depletion
significantly
exacerbates
RNA
splicing
defects
and
demonstrates
potent
anticancer
activity.
To
identify
key
effectors
following
depletion,
we
employed
multiomics
approach
to
directly
compare
two
structurally
distinct
compounds,
CB039
Indisulam.
Through
proteomic
analysis,
sequencing,
DepMap
dependency
assessment,
CEP192
emerged
as
crucial
gene,
exhibiting
96%
1,100
analyzed
cancer
cell
lines.
In
eight
lines,
treatment
with
both
Indisulam
consistently
induced
exon
42
skipping
reduced
protein
levels.
Mechanistically,
either
or
interference-mediated
knockdown
led
significant
increase
spindle
disorganization,
well
chromosome
condensation
failed
segregation.
conclusion,
our
characterization
downstream
effects
provides
novel
insights
into
therapeutic
potential
degraders.
Signal Transduction and Targeted Therapy,
Год журнала:
2024,
Номер
9(1)
Опубликована: Фев. 2, 2024
Abstract
Alternative
splicing
(AS)
serves
as
a
pivotal
mechanism
in
transcriptional
regulation,
engendering
transcript
diversity,
and
modifications
protein
structure
functionality.
Across
varying
tissues,
developmental
stages,
or
under
specific
conditions,
AS
gives
rise
to
distinct
splice
isoforms.
This
implies
that
these
isoforms
possess
unique
temporal
spatial
roles,
thereby
associating
with
standard
biological
activities
diseases.
Among
these,
AS-related
RNA-binding
proteins
(RBPs)
play
an
instrumental
role
regulating
alternative
events.
Under
physiological
the
diversity
of
mediated
by
influences
structure,
function,
interaction,
localization
proteins,
participating
differentiation
development
array
tissues
organs.
pathological
alterations
are
linked
various
diseases,
particularly
cancer.
These
changes
can
lead
gene
patterns,
culminating
loss
For
instance,
cancer,
abnormalities
RBPs
may
result
aberrant
expression
cancer-associated
genes,
promoting
onset
progression
tumors.
also
associated
numerous
neurodegenerative
diseases
autoimmune
Consequently,
study
across
different
holds
significant
value.
review
provides
detailed
account
recent
advancements
tissue
which
aids
deepening
understanding
complexity
offers
new
insights
methodologies
for
precision
medicine.
Chemical Reviews,
Год журнала:
2024,
Номер
124(3), С. 929 - 1033
Опубликована: Янв. 29, 2024
RNA-based
therapies
have
catalyzed
a
revolutionary
transformation
in
the
biomedical
landscape,
offering
unprecedented
potential
disease
prevention
and
treatment.
However,
despite
their
remarkable
achievements,
these
encounter
substantial
challenges
including
low
stability,
susceptibility
to
degradation
by
nucleases,
prominent
negative
charge,
thereby
hindering
further
development.
Chemically
modified
platforms
emerged
as
strategic
innovation,
focusing
on
precise
alterations
either
RNA
moieties
or
associated
delivery
vectors.
This
comprehensive
review
delves
into
platforms,
underscoring
significance
augmenting
performance
translational
prospects
of
therapeutics.
It
encompasses
an
in-depth
analysis
various
chemically
that
been
instrumental
propelling
therapeutics
toward
clinical
utility.
Moreover,
scrutinizes
rationale
behind
diverse
chemical
modification
techniques
aiming
at
optimizing
therapeutic
efficacy
molecules,
facilitating
robust
management.
Recent
empirical
studies
corroborating
enhancement
through
modifications
are
highlighted.
Conclusively,
we
offer
profound
insights
transformative
impact
drugs
delineates
prospective
trajectories
for
future
development
integration.
The EMBO Journal,
Год журнала:
2025,
Номер
44(3), С. 613 - 638
Опубликована: Янв. 9, 2025
Dysregulation
of
RNA
processing
has
in
recent
years
emerged
as
a
significant
contributor
to
neurodegeneration.
The
diverse
mechanisms
and
molecular
functions
underlying
underscore
the
essential
role
regulation
maintaining
neuronal
health
function.
molecules
are
bound
by
RNA-binding
proteins
(RBPs),
interactions
between
RNAs
RBPs
commonly
affected
In
this
review,
we
highlight
progress
understanding
dysregulated
RNA-processing
pathways
causes
RBP
dysfunction
across
various
neurodegenerative
diseases.
We
discuss
both
established
emerging
RNA-mediated
neuropathogenesis
rapidly
evolving
field.
Furthermore,
explore
development
potential
RNA-targeting
therapeutic
approaches
for
treatment
Current Opinion in Cell Biology,
Год журнала:
2024,
Номер
87, С. 102340 - 102340
Опубликована: Фев. 23, 2024
Glial
fibrillary
acidic
protein
(GFAP)
is
an
intermediate
filament
(IF)
expressed
in
specific
types
of
glial
cells
the
nervous
system.
The
expression
GFAP
highly
regulated
during
brain
development
and
neurological
diseases.
presence
distinct
GFAP-isoforms
various
cell
types,
developmental
stages,
diseases
indicates
that
(post-)transcriptional
regulation
has
a
role
physiology
pathology.
differ
sub-cellular
localisation,
IF-network
assembly
properties,
IF-dynamics
which
results
molecular
interactions
mechanical
properties
IF-network.
Therefore,
likely
mechanism
by
radial
glia,
astrocytes,
glioma
can
modulate
cellular
function.
Cell stem cell,
Год журнала:
2024,
Номер
31(8), С. 1162 - 1174.e8
Опубликована: Июнь 24, 2024
Aging
is
the
biggest
risk
factor
for
development
of
Alzheimer's
disease
(AD).
Here,
we
performed
a
whole-genome
CRISPR
screen
to
identify
regulators
neuronal
age
and
show
that
neddylation
pathway
regulates
both
cellular
AD
neurodegeneration
in
human
stem
cell
model.
Specifically,
demonstrate
blocking
increased
hallmarks
aging
led
an
increase
Tau
aggregation
phosphorylation
neurons
carrying
APPswe/swe
mutation.
Aged
but
not
isogenic
control
also
showed
progressive
decrease
viability.
Selective
loss
upon
inhibition
was
similarly
observed
other
Parkinson's
(PD)
models,
including
PSENM146V/M146V
cortical
LRRK2G2019S/G2019S
midbrain
dopamine
neurons,
respectively.
This
study
indicates
can
reveal
late-onset
phenotypes,
identifies
new
potential
targets
modulate
progression,
describes
strategy
program
age-associated
phenotypes
into
models
disease.
Science,
Год журнала:
2024,
Номер
386(6721), С. 551 - 560
Опубликована: Окт. 31, 2024
The
spliceosome
is
the
complex
molecular
machinery
that
sequentially
assembles
on
eukaryotic
messenger
RNA
precursors
to
remove
introns
(pre-mRNA
splicing),
a
physiologically
regulated
process
altered
in
numerous
pathologies.
We
report
transcriptome-wide
analyses
upon
systematic
knock
down
of
305
components
and
regulators
human
cancer
cells
reconstruction
functional
splicing
factor
networks
govern
different
classes
alternative
decisions.
results
disentangle
intricate
circuits
cross-regulation,
reveal
precise
architecture
late-assembling
U4/U6.U5
tri-small
nuclear
ribonucleoprotein
(snRNP)
complexes
regulates
splice
site
pairing,
discover
an
unprecedented
division
labor
among
protein
U1
snRNP
for
regulating
exon
definition
5'
selection.
Thus,
we
provide
resource
explore
physiological
pathological
mechanisms
regulation.
Abstract
The
human
genome
contains
instructions
to
transcribe
more
than
200,000
RNAs.
However,
many
RNA
transcripts
are
generated
from
the
same
gene,
resulting
in
alternative
isoforms
that
highly
similar
and
remain
difficult
quantify.
To
evaluate
ability
study
transcript
expression,
we
profiled
seven
cell
lines
with
five
different
RNA-sequencing
protocols,
including
short-read
cDNA,
Nanopore
long-read
direct
RNA,
amplification-free
cDNA
PCR-amplified
sequencing,
PacBio
IsoSeq,
multiple
spike-in
controls,
additional
transcriptome-wide
N
6
-methyladenosine
profiling
data.
We
describe
differences
read
length,
coverage,
throughput
reporting
sequencing
robustly
identifies
major
isoforms.
illustrate
value
of
SG-NEx
data
identify
isoforms,
novel
transcripts,
fusion
modifications.
Together,
provide
a
comprehensive
resource
enabling
development
benchmarking
computational
methods
for
complex
transcriptional
events
at
isoform-level
resolution.
International Journal of Molecular Sciences,
Год журнала:
2023,
Номер
24(22), С. 16259 - 16259
Опубликована: Ноя. 13, 2023
Alzheimer’s
disease
(AD)
is
a
complex
multifactorial
disorder
that
poses
substantial
burden
on
patients,
caregivers,
and
society.
Considering
the
increased
aging
population
life
expectancy,
incidence
of
AD
will
continue
to
rise
in
following
decades.
However,
molecular
pathogenesis
remains
controversial,
superior
blood-based
biomarker
candidates
for
early
diagnosis
are
still
lacking,
effective
therapeutics
halt
or
slow
progression
urgently
needed.
As
powerful
genetic
regulators,
microRNAs
(miRNAs)
receiving
increasing
attention
due
their
implications
initiation,
development,
theranostics
various
diseases,
including
AD.
In
this
review,
we
summarize
miRNAs
directly
target
microtubule-associated
protein
tau
(MAPT),
amyloid
precursor
(APP),
β-site
APP-cleaving
enzyme
1
(BACE1)
transcripts
regulate
alternative
splicing
APP.
We
also
discuss
related
kinases,
such
as
glycogen
synthase
kinase
(GSK)-3β,
cyclin-dependent
5
(CDK5),
death-associated
(DAPK1),
well
apolipoprotein
E,
targeted
by
control
phosphorylation
amyloidogenic
APP
processing
leading
Aβ
pathologies.
Moreover,
there
evidence
miRNA-mediated
modulation
inflammation.
Furthermore,
circulating
serum
plasma
patients
noninvasive
biomarkers
with
diagnostic
potential
reviewed.
addition,
miRNA-based
optimized
nanocarriers
exosomes
options
treatment
discussed.