Nature Communications,
Journal Year:
2020,
Volume and Issue:
11(1)
Published: Feb. 5, 2020
Abstract
The
type
and
genomic
context
of
cancer
mutations
depend
on
their
causes.
These
causes
have
been
characterized
using
signatures
that
represent
mutation
types
co-occur
in
the
same
tumours.
However,
it
remains
unclear
how
processes
change
during
evolution
due
to
lack
reliable
methods
reconstruct
evolutionary
trajectories
mutational
signature
activity.
Here,
as
part
ICGC/TCGA
Pan-Cancer
Analysis
Whole
Genomes
(PCAWG)
Consortium,
which
aggregated
whole-genome
sequencing
data
from
2658
cancers
across
38
tumour
types,
we
present
TrackSig,
a
new
method
reconstructs
these
optimal,
joint
segmentation
deconvolution
allele
frequencies
single
sample.
In
simulations,
find
TrackSig
has
3–5%
activity
reconstruction
error,
12%
false
detection
rate.
It
outperforms
an
aggressive
baseline
situations
with
branching
evolution,
CNA
gain,
neutral
mutations.
Applied
tumours
permits
pan-cancer
insight
into
changes
processes.
Human Genetics,
Journal Year:
2019,
Volume and Issue:
138(2), P. 109 - 124
Published: Jan. 22, 2019
In
the
field
of
cancer
genomics,
broad
availability
genetic
information
offered
by
next-generation
sequencing
technologies
and
rapid
growth
in
biomedical
publication
has
led
to
advent
big-data
era.
Integration
artificial
intelligence
(AI)
approaches
such
as
machine
learning,
deep
natural
language
processing
(NLP)
tackle
challenges
scalability
high
dimensionality
data
transform
big
into
clinically
actionable
knowledge
is
expanding
becoming
foundation
precision
medicine.
this
paper,
we
review
current
status
future
directions
AI
application
genomics
within
context
workflows
integrate
genomic
analysis
for
care.
The
existing
solutions
their
limitations
testing
diagnostics
variant
calling
interpretation
are
critically
analyzed.
Publicly
available
tools
or
algorithms
key
NLP
literature
mining
evidence-based
clinical
recommendations
reviewed
compared.
addition,
present
paper
highlights
adoption
digital
healthcare
with
regard
requirements,
algorithmic
transparency,
reproducibility,
real-world
assessment,
discusses
importance
preparing
patients
physicians
modern
digitized
healthcare.
We
believe
that
will
remain
main
driver
transformation
toward
medicine,
yet
unprecedented
posed
should
be
addressed
ensure
safety
beneficial
impact
Frontiers in Oncology,
Journal Year:
2023,
Volume and Issue:
13
Published: April 28, 2023
Heterogeneity
describes
the
differences
among
cancer
cells
within
and
between
tumors.
It
refers
to
describing
variations
in
morphology,
transcriptional
profiles,
metabolism,
metastatic
potential.
More
recently,
field
has
included
characterization
of
tumor
immune
microenvironment
depiction
dynamics
underlying
cellular
interactions
promoting
ecosystem
evolution.
been
found
most
tumors
representing
one
challenging
behaviors
ecosystems.
As
critical
factors
impairing
long-term
efficacy
solid
therapy,
heterogeneity
leads
resistance,
more
aggressive
metastasizing,
recurrence.
We
review
role
main
models
emerging
single-cell
spatial
genomic
technologies
our
understanding
heterogeneity,
its
contribution
lethal
outcomes,
physiological
challenges
consider
designing
therapies.
highlight
how
dynamically
evolve
because
leverage
this
unleash
recognition
through
immunotherapy.
A
multidisciplinary
approach
grounded
novel
bioinformatic
computational
tools
will
allow
reaching
integrated,
multilayered
knowledge
required
implement
personalized,
efficient
therapies
urgently
for
patients.
OMICS A Journal of Integrative Biology,
Journal Year:
2019,
Volume and Issue:
24(5), P. 247 - 263
Published: July 17, 2019
Historically,
the
term
"artificial
intelligence"
dates
to
1956
when
it
was
first
used
in
a
conference
at
Dartmouth
College
US.
Since
then,
development
of
artificial
intelligence
has
part
been
shaped
by
field
neuroscience.
By
understanding
human
brain,
scientists
have
attempted
build
new
intelligent
machines
capable
performing
complex
tasks
akin
humans.
Indeed,
future
research
into
will
continue
benefit
from
study
brain.
While
algorithms
fast
paced,
actual
use
most
(AI)
biomedical
engineering
and
clinical
practice
is
still
markedly
below
its
conceivably
broader
potentials.
This
partly
because
for
any
algorithm
be
incorporated
existing
workflows
stand
test
scientific
validation,
personal
utility,
application
context,
equitable
as
well.
In
this
there
much
gained
combining
AI
(HI).
Harnessing
Big
Data,
computing
power
storage
capacities,
addressing
societal
issues
emergent
applications,
demand
deploying
HI
tandem
with
AI.
Very
few
countries,
even
economically
developed
states,
lack
adequate
critical
governance
frames
best
understand
steer
innovation
trajectories
health
care.
Drug
discovery
translational
pharmaceutical
gain
technology
provided
they
are
also
informed
HI.
expert
review,
we
analyze
ways
which
applications
likely
traverse
continuum
life
birth
death,
encompassing
not
only
humans
but
all
animal,
plant,
other
living
organisms
that
increasingly
touched
Examples
include
digital
health,
diagnosis
diseases
newborns,
remote
monitoring
smart
devices,
real-time
Data
analytics
prompt
heart
attacks,
facial
analysis
software
consequences
on
civil
liberties.
underscore
need
integration
HI,
note
does
replace
medical
specialists
or
rather,
such
Altogether,
offer
synergy
responsible
veritable
prospects
improving
care
prevention
therapeutics
while
unintended
automation
should
borne
mind
cultures,
work
force,
society
large.
Nature Communications,
Journal Year:
2021,
Volume and Issue:
12(1)
Published: March 19, 2021
Abstract
Malignant
Pleural
Mesothelioma
(MPM)
is
typically
diagnosed
20–50
years
after
exposure
to
asbestos
and
evolves
along
an
unknown
evolutionary
trajectory.
To
elucidate
this
path,
we
conducted
multi-regional
exome
sequencing
of
90
tumour
samples
from
22
MPMs
acquired
at
surgery.
Here
show
that
exomic
intratumour
heterogeneity
varies
widely
across
the
cohort.
Phylogenetic
tree
topology
ranges
linear
highly
branched,
reflecting
a
steep
gradient
genomic
instability.
Using
transfer
learning,
detect
repeated
evolution,
resolving
5
clusters
are
prognostic,
with
temporally
ordered
clonal
drivers.
BAP1
/−3p21
FBXW7
/-chr4
events
always
early
clonal.
In
contrast,
NF2
/−22q
events,
leading
Hippo
pathway
inactivation
predominantly
late
clonal,
positively
selected,
when
subclonal,
exhibit
parallel
evolution
indicating
constraint.
Very
somatic
alteration
/22q
occurred
in
one
patient
12
Clonal
architecture
dictate
MPM
inflammation
immune
evasion.
These
results
reveal
potentially
drugable
bottlenecking
MPM,
impact
on
shaping
landscape,
potential
clinical
response
checkpoint
inhibition.
Genome Medicine,
Journal Year:
2019,
Volume and Issue:
11(1)
Published: March 29, 2019
Accelerating
technological
advances
have
allowed
the
widespread
genomic
profiling
of
tumors.
As
yet,
however,
vast
catalogues
mutations
that
been
identified
made
only
a
modest
impact
on
clinical
medicine.
Massively
parallel
sequencing
has
informed
our
understanding
genetic
evolution
and
heterogeneity
cancers,
allowing
us
to
place
these
mutational
into
meaningful
context.
Here,
we
review
methods
used
measure
tumor
heterogeneity,
potential
challenges
for
translating
insights
gained
achieve
cancer
therapy,
monitoring,
early
detection,
risk
stratification,
prevention.
We
discuss
how
can
guide
therapy
by
targeting
clonal
subclonal
both
individually
in
combination.
Circulating
DNA
circulating
cells
be
leveraged
monitoring
efficacy
tracking
emergence
resistant
subclones.
The
evolutionary
history
tumors
deduced
late-stage
either
directly
sampling
precursor
lesions
or
leveraging
computational
approaches
infer
timing
driver
events.
This
approach
identify
recurrent
represent
promising
avenues
future
detection
strategies.
Emerging
evidence
suggests
processes
complex
dynamics
are
active
even
normal
development
aging.
will
make
discriminating
developing
malignant
neoplasms
from
aging
cell
lineages
challenge.
Furthermore,
insight
signatures
may
allow
cancer-prevention
approaches.
Research
studies
incorporate
an
appreciation
patterns
not
produce
more
data,
but
also
better
exploit
vulnerabilities
cancer,
resulting
improved
treatment
outcomes.
Nature Communications,
Journal Year:
2021,
Volume and Issue:
12(1)
Published: April 6, 2021
Abstract
Cancer
growth
can
be
described
as
a
caricature
of
the
renewal
process
tissue
origin,
where
architecture
has
strong
influence
on
evolutionary
dynamics
within
tumor.
Using
classic,
well-studied
model
tumor
evolution
(a
passenger-driver
mutation
model)
we
systematically
alter
spatial
constraints
and
cell
mixing
rates
to
show
how
structure
influences
functional
(driver)
mutations
genetic
heterogeneity
over
time.
This
approach
explores
key
mechanism
behind
both
inter-patient
intratumoral
heterogeneity:
competition
for
space.
Time-varying
leads
an
emergent
transition
from
Darwinian
premalignant
subsequent
invasive
neutral
growth.
Initial
determine
mode
(Darwinian
neutral)
without
change
in
cell-specific
rate
or
fitness
effects.
Driver
acquisition
during
precancerous
stage
may
modulated
en
route
by
combination
two
factors:
limited
cellular
mixing.
These
factors
occur
naturally
ductal
carcinomas,
branching
topology
network
dictates
rates.
Life,
Journal Year:
2022,
Volume and Issue:
12(2), P. 279 - 279
Published: Feb. 14, 2022
Polygenic
diseases,
which
are
genetic
disorders
caused
by
the
combined
action
of
multiple
genes,
pose
unique
and
significant
challenges
for
diagnosis
management
affected
patients.
A
major
goal
cardiovascular
medicine
has
been
to
understand
how
variation
leads
clinical
heterogeneity
seen
in
polygenic
diseases
(CVDs).
Recent
advances
emerging
technologies
artificial
intelligence
(AI),
coupled
with
ever-increasing
availability
next
generation
sequencing
(NGS)
technologies,
now
provide
researchers
unprecedented
possibilities
dynamic
complex
biological
genomic
analyses.
Combining
these
may
lead
a
deeper
understanding
heterogeneous
CVDs,
better
prognostic
guidance,
and,
ultimately,
greater
personalized
medicine.
Advances
will
likely
be
achieved
through
increasingly
frequent
robust
characterization
patients,
as
well
integration
data
other
data,
such
cardiac
imaging,
coronary
angiography,
biomarkers.
This
review
discusses
current
opportunities
limitations
genomics;
provides
brief
overview
AI;
identifies
applications,
limitations,
future
directions
AI
genomics.