bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2025,
Номер
unknown
Опубликована: Март 12, 2025
Summary
Bimodal
protein
expression,
characterized
by
the
distribution
of
expression
with
two
modes,
is
linked
to
phenotypic
variation
across
various
biological
systems.
Whereas
previous
studies
focused
on
RNA
data,
we
developed
a
bimodality
model
tailored
for
proteomics
enhance
identification
cancer-associated
biomarkers
and
targets,
facilitating
precision
oncology.
We
analyzed
data
from
cancer
types
identified
2401
tumor-associated
bimodal
proteins.
These
proteins
were
evaluated
pathway
enrichment,
revealing
significant
associations
critical
pathways,
such
as
metabolism
non-essential
amino
acids,
interaction
between
extracellular
matrix
its
receptors
cell
surface,
central
carbon
in
cancer.
Utilizing
an
AI-enhanced
knowledge
graph,
further
delineated
common
patterns
among
pan-cancer
A
case
study
TROP2
colon
adenocarcinoma
highlighted
upregulation
MYC
WNT/β-catenin
signaling
pathways
down-regulation
inflammatory
interferon-related
TROP2-high
group.
The
difference
TROP2-low
groups
underscored
significance
determining
heterogeneity
differences
vulnerability,
which
can
inform
treatment
decisions.
Our
findings
show
value
uncovering
novel
advancing
medicine,
setting
precedent
multi-omics
integration
clinical
validation.
Cell,
Год журнала:
2023,
Номер
186(18), С. 3945 - 3967.e26
Опубликована: Авг. 1, 2023
Post-translational
modifications
(PTMs)
play
key
roles
in
regulating
cell
signaling
and
physiology
both
normal
cancer
cells.
Advances
mass
spectrometry
enable
high-throughput,
accurate,
sensitive
measurement
of
PTM
levels
to
better
understand
their
role,
prevalence,
crosstalk.
Here,
we
analyze
the
largest
collection
proteogenomics
data
from
1,110
patients
with
profiles
across
11
types
(10
National
Cancer
Institute's
Clinical
Proteomic
Tumor
Analysis
Consortium
[CPTAC]).
Our
study
reveals
pan-cancer
patterns
changes
protein
acetylation
phosphorylation
involved
hallmark
processes.
These
revealed
subsets
tumors,
different
types,
including
those
dysregulated
DNA
repair
driven
by
phosphorylation,
altered
metabolic
regulation
associated
immune
response
acetylation,
affected
kinase
specificity
crosstalk
between
modified
histone
regulation.
Overall,
this
resource
highlights
rich
biology
governed
PTMs
exposes
potential
new
therapeutic
avenues.
Cell,
Год журнала:
2023,
Номер
186(18), С. 3921 - 3944.e25
Опубликована: Авг. 1, 2023
Cancer
driver
events
refer
to
key
genetic
aberrations
that
drive
oncogenesis;
however,
their
exact
molecular
mechanisms
remain
insufficiently
understood.
Here,
our
multi-omics
pan-cancer
analysis
uncovers
insights
into
the
impacts
of
cancer
drivers
by
identifying
significant
cis-effects
and
distal
trans-effects
quantified
at
RNA,
protein,
phosphoprotein
levels.
Salient
observations
include
association
point
mutations
copy-number
alterations
with
rewiring
protein
interaction
networks,
notably,
most
genes
converge
toward
similar
states
denoted
sequence-based
kinase
activity
profiles.
A
correlation
between
predicted
neoantigen
burden
measured
T
cell
infiltration
suggests
potential
vulnerabilities
for
immunotherapies.
Patterns
hallmarks
vary
polygenic
abundance
ranging
from
uniform
heterogeneous.
Overall,
work
demonstrates
value
comprehensive
proteogenomics
in
understanding
functional
oncogenic
links
development,
surpassing
limitations
studying
individual
types.
Cell,
Год журнала:
2024,
Номер
187(5), С. 1255 - 1277.e27
Опубликована: Фев. 1, 2024
Despite
the
successes
of
immunotherapy
in
cancer
treatment
over
recent
decades,
less
than
<10%–20%
cases
have
demonstrated
durable
responses
from
immune
checkpoint
blockade.
To
enhance
efficacy
immunotherapies,
combination
therapies
suppressing
multiple
evasion
mechanisms
are
increasingly
contemplated.
better
understand
cell
surveillance
and
diverse
tumor
tissues,
we
comprehensively
characterized
landscape
more
1,000
tumors
across
ten
different
cancers
using
CPTAC
pan-cancer
proteogenomic
data.
We
identified
seven
distinct
subtypes
based
on
integrative
learning
type
compositions
pathway
activities.
then
thoroughly
categorized
unique
genomic,
epigenetic,
transcriptomic,
proteomic
changes
associated
with
each
subtype.
Further
leveraging
deep
phosphoproteomic
data,
studied
kinase
activities
subtypes,
which
revealed
potential
subtype-specific
therapeutic
targets.
Insights
this
work
will
facilitate
development
future
strategies
precision
targeting
existing
agents.
Cell,
Год журнала:
2024,
Номер
187(16), С. 4389 - 4407.e15
Опубликована: Июнь 24, 2024
Fewer
than
200
proteins
are
targeted
by
cancer
drugs
approved
the
Food
and
Drug
Administration
(FDA).
We
integrate
Clinical
Proteomic
Tumor
Analysis
Consortium
(CPTAC)
proteogenomics
data
from
1,043
patients
across
10
types
with
additional
public
datasets
to
identify
potential
therapeutic
targets.
Pan-cancer
analysis
of
2,863
druggable
reveals
a
wide
abundance
range
identifies
biological
factors
that
affect
mRNA-protein
correlation.
Integration
proteomic
tumors
genetic
screen
cell
lines
protein
overexpression-
or
hyperactivation-driven
dependencies,
enabling
accurate
predictions
effective
drug
Proteogenomic
identification
synthetic
lethality
provides
strategy
target
tumor
suppressor
gene
loss.
Combining
proteogenomic
MHC
binding
prediction
prioritizes
mutant
KRAS
peptides
as
promising
neoantigens.
Computational
shared
tumor-associated
antigens
followed
experimental
confirmation
nominates
immunotherapy
These
analyses,
summarized
at
https://targets.linkedomics.org,
form
comprehensive
landscape
peptide
targets
for
companion
diagnostics,
repurposing,
therapy
development.
Cancer Cell,
Год журнала:
2023,
Номер
41(9), С. 1567 - 1585.e7
Опубликована: Авг. 14, 2023
DNA
methylation
plays
a
critical
role
in
establishing
and
maintaining
cellular
identity.
However,
it
is
frequently
dysregulated
during
tumor
development
closely
intertwined
with
other
genetic
alterations.
Here,
we
leveraged
multi-omic
profiling
of
687
tumors
matched
non-involved
adjacent
tissues
from
the
kidney,
brain,
pancreas,
lung,
head
neck,
endometrium
to
identify
aberrant
associated
RNA
protein
abundance
changes
build
Pan-Cancer
catalog.
We
uncovered
lineage-specific
epigenetic
drivers
including
hypomethylated
FGFR2
endometrial
cancer.
showed
that
hypermethylated
STAT5A
pervasive
regulon
downregulation
immune
cell
depletion,
suggesting
regulation
expression
constitutes
molecular
switch
for
immunosuppression
squamous
tumors.
further
demonstrated
subtype-enrichment
information
can
explain
cell-of-origin,
intra-tumor
heterogeneity,
phenotypes.
Overall,
identified
cis-acting
events
drive
transcriptional
translational
changes,
shedding
light
on
tumor's
landscape
its
cell-of-origin.
Abstract
Despite
advancements
in
treatment
protocols,
cancer
is
one
of
the
leading
cause
deaths
worldwide.
Therefore,
there
a
need
to
identify
newer
and
personalized
therapeutic
targets
along
with
screening
technologies
combat
cancer.
With
advent
pan-omics
technologies,
such
as
genomics,
transcriptomics,
proteomics,
metabolomics,
lipidomics,
scientific
community
has
witnessed
an
improved
molecular
metabolomic
understanding
various
diseases,
including
In
addition,
three-dimensional
(3-D)
disease
models
have
been
efficiently
utilized
for
pathophysiology
tools
drug
discovery.
An
integrated
approach
utilizing
3-D
vitro
tumor
led
intricate
network
encompassing
signalling
pathways
cross-talk
solid
tumors.
present
review,
we
underscore
current
trends
omics
highlight
their
role
genotypic-phenotypic
co-relation
respect
models.
We
further
discuss
challenges
associated
provide
our
outlook
on
future
applications
these
discovery
precision
medicine
management
Graphical
Abstract
Cancer
is
a
complex
disease
composing
systemic
alterations
in
multiple
scales.
In
this
study,
we
develop
the
Tumor
Multi-Omics
pre-trained
Network
(TMO-Net)
that
integrates
multi-omics
pan-cancer
datasets
for
model
pre-training,
facilitating
cross-omics
interactions
and
enabling
joint
representation
learning
incomplete
omics
inference.
This
enhances
sample
empowers
various
downstream
oncology
tasks
with
datasets.
By
employing
interpretable
learning,
characterize
contributions
of
distinct
features
to
clinical
outcomes.
The
TMO-Net
serves
as
versatile
framework
cross-modal
oncology,
paving
way
tumor
omics-specific
foundation
models.