Nature Biotechnology,
Journal Year:
2023,
Volume and Issue:
41(10), P. 1457 - 1464
Published: Feb. 6, 2023
DNA
comprises
molecular
information
stored
in
genetic
and
epigenetic
bases,
both
of
which
are
vital
to
our
understanding
biology.
Most
sequencing
approaches
address
either
genetics
or
epigenetics
thus
capture
incomplete
information.
Methods
widely
used
detect
bases
fail
common
C-to-T
mutations
distinguish
5-methylcytosine
from
5-hydroxymethylcytosine.
We
present
a
single
base-resolution
methodology
that
sequences
complete
the
two
most
cytosine
modifications
workflow.
is
copied
enzymatically
converted.
Coupled
decoding
across
original
copy
strand
provides
phased
digital
readout.
demonstrated
on
human
genomic
cell-free
blood
sample
patient
with
cancer.
The
approach
accurate,
requires
low
input
has
simple
workflow
analysis
pipeline.
Simultaneous,
reading
more
picture
genomes
applications
throughout
biomedicine.
The Innovation,
Journal Year:
2022,
Volume and Issue:
3(4), P. 100259 - 100259
Published: May 6, 2022
Effective
screening
modalities
are
currently
available
for
only
a
small
subset
of
cancers,
and
they
generally
have
suboptimal
performance
with
complicated
procedures.
Therefore,
there
is
an
urgent
need
to
develop
simple,
accurate,
non-invasive
methods
early
detection
cancers.
Genetic
epigenetic
alterations
in
plasma
circulating
cell-free
DNA
(cfDNA)
shown
the
potential
revolutionize
cancers
facilitate
subsequent
diagnosis
improve
survival
patients.
The
medical
interest
cfDNA
assays
has
been
inspired
by
emerging
single-
multi-early
studies.
This
review
summarizes
current
technological
clinical
advances,
hopes
providing
insights
into
development
applications
various
scenarios.
key
phases
biomarkers
highlighted,
future
developments
cfDNA-based
liquid
biopsies
outlined.
It
hoped
that
this
study
can
boost
integration
workflow.
Communications Medicine,
Journal Year:
2022,
Volume and Issue:
2(1)
Published: March 17, 2022
Detecting
cancer
at
early
stages
significantly
increases
patient
survival
rates.
Because
lethal
solid
tumors
often
produce
few
symptoms
before
progressing
to
advanced,
metastatic
disease,
diagnosis
frequently
occurs
when
surgical
resection
is
no
longer
curative.
One
promising
approach
detect
early-stage,
curable
cancers
uses
biomarkers
present
in
circulating
extracellular
vesicles
(EVs).
To
explore
the
feasibility
of
this
approach,
we
developed
an
EV-based
blood
biomarker
classifier
from
EV
protein
profiles
I
and
II
pancreatic,
ovarian,
bladder
cancer.Utilizing
alternating
current
electrokinetics
(ACE)
platform
purify
EVs
plasma,
use
multi-marker
EV-protein
measurements
develop
a
machine
learning
algorithm
that
can
discriminate
cases
controls.
The
ACE
isolation
method
requires
small
sample
volumes,
streamlined
process
permits
integration
into
high-throughput
workflows.In
case-control
pilot
study,
comparison
139
pathologically
confirmed
stage
representing
or
patients
against
184
control
subjects
yields
area
under
curve
(AUC)
0.95
(95%
CI:
0.92
0.97),
with
sensitivity
71.2%
63.2
78.1)
99.5%
(97.0
99.9)
specificity.
Sensitivity
similar
both
[stage
I:
70.5%
(60.2
79.0)
II:
72.5%
(59.1
82.9)].
Detection
reaches
95.5%
74.4%
ovarian
(73.1%
Stage
IA)
43.8%
cancer.This
work
demonstrates
EV-based,
multi-cancer
test
has
potential
clinical
value
for
detection
warrants
future
expanded
studies
involving
prospective
cohorts
multi-year
follow-up.
Cancers,
Journal Year:
2022,
Volume and Issue:
14(19), P. 4818 - 4818
Published: Oct. 1, 2022
We
report
the
design
of
NHS-Galleri
trial
(ISRCTN91431511),
aiming
to
establish
whether
a
multi-cancer
early
detection
(MCED)
test
that
screens
asymptomatic
individuals
for
cancer
can
reduce
late-stage
incidence.
This
randomised
controlled
has
invited
approximately
1.5
million
persons
and
enrolled
over
140,000
from
general
population
England
(50–77
years;
≥3
years
without
diagnosis
or
treatment;
not
undergoing
investigation
suspected
cancer).
Blood
is
being
collected
at
up
three
annual
visits.
Following
baseline
blood
collection,
participants
are
1:1
intervention
(blood
tested
by
MCED
test)
control
stored)
arm.
Only
in
arm
with
signal
detected
have
results
returned
referred
urgent
investigations
potential
treatment.
Remaining
both
arms
stay
blinded
return
their
next
visit.
Participants
encouraged
continue
other
NHS
screening
programmes
seek
help
new
unusual
symptoms.
The
primary
objective
demonstrate
statistically
significant
reduction
incidence
rate
stage
III
IV
cancers
diagnosed
versus
3–4
after
randomisation.
will
determine
clinical
utility
an
test.
The Lancet Oncology,
Journal Year:
2023,
Volume and Issue:
24(7), P. 733 - 743
Published: June 20, 2023
Analysis
of
circulating
tumour
DNA
could
stratify
cancer
risk
in
symptomatic
patients.
We
aimed
to
evaluate
the
performance
a
methylation-based
multicancer
early
detection
(MCED)
diagnostic
test
patients
referred
from
primary
care.
Nature Medicine,
Journal Year:
2023,
Volume and Issue:
29(12), P. 3033 - 3043
Published: Nov. 20, 2023
Pancreatic
ductal
adenocarcinoma
(PDAC),
the
most
deadly
solid
malignancy,
is
typically
detected
late
and
at
an
inoperable
stage.
Early
or
incidental
detection
associated
with
prolonged
survival,
but
screening
asymptomatic
individuals
for
PDAC
using
a
single
test
remains
unfeasible
due
to
low
prevalence
potential
harms
of
false
positives.
Non-contrast
computed
tomography
(CT),
routinely
performed
clinical
indications,
offers
large-scale
screening,
however,
identification
non-contrast
CT
has
long
been
considered
impossible.
Here,
we
develop
deep
learning
approach,
pancreatic
cancer
artificial
intelligence
(PANDA),
that
can
detect
classify
lesions
high
accuracy
via
CT.
PANDA
trained
on
dataset
3,208
patients
from
center.
achieves
area
under
receiver
operating
characteristic
curve
(AUC)
0.986-0.996
lesion
in
multicenter
validation
involving
6,239
across
10
centers,
outperforms
mean
radiologist
performance
by
34.1%
sensitivity
6.3%
specificity
identification,
92.9%
99.9%
real-world
multi-scenario
consisting
20,530
consecutive
patients.
Notably,
utilized
shows
non-inferiority
radiology
reports
(using
contrast-enhanced
CT)
differentiation
common
subtypes.
could
potentially
serve
as
new
tool
screening.
Cancer Discovery,
Journal Year:
2022,
Volume and Issue:
13(3), P. 616 - 631
Published: Nov. 18, 2022
Abstract
Liver
cancer
is
a
major
cause
of
mortality
worldwide.
Screening
individuals
at
high
risk,
including
those
with
cirrhosis
and
viral
hepatitis,
provides
an
avenue
for
improved
survival,
but
current
screening
methods
are
inadequate.
In
this
study,
we
used
whole-genome
cell-free
DNA
(cfDNA)
fragmentome
analyses
to
evaluate
724
from
the
United
States,
European
Union,
or
Hong
Kong
hepatocellular
carcinoma
(HCC)
who
were
average
high-risk
HCC.
Using
machine
learning
model
that
incorporated
multifeature
data,
sensitivity
detecting
was
88%
in
average-risk
population
98%
specificity
85%
among
80%
specificity.
We
validated
these
results
independent
population.
cfDNA
fragmentation
changes
reflected
genomic
chromatin
liver
cancer,
transcription
factor
binding
sites.
These
findings
provide
biological
basis
patients
accessible
approach
noninvasive
detection.
Significance:
There
great
need
sensitive
approaches
HCC
have
developed
examining
genome-wide
features
high-performing
cost-effective
See
related
commentary
Rolfo
Russo,
p.
532.
This
article
highlighted
Issue
feature,
517
Nature Cancer,
Journal Year:
2022,
Volume and Issue:
3(10), P. 1260 - 1270
Published: Aug. 8, 2022
Small
cell
lung
cancer
(SCLC)
is
characterized
by
morphologic,
epigenetic
and
transcriptomic
heterogeneity.
Subtypes
based
upon
predominant
transcription
factor
expression
have
been
defined
that,
in
mouse
models
lines,
exhibit
potential
differential
therapeutic
vulnerabilities,
with
epigenetically
distinct
SCLC
subtypes
also
described.
The
clinical
relevance
of
these
unclear,
due
part
to
challenges
obtaining
tumor
biopsies
for
reliable
profiling.
Here
we
describe
a
robust
workflow
genome-wide
DNA
methylation
profiling
applied
both
patient-derived
patients'
circulating
cell-free
(cfDNA).
Tumor-specific
patterns
were
readily
detected
cfDNA
samples
from
patients
correlated
survival
outcomes.
discriminated
between
the
subtypes,
precedent
liquid
biopsy
cfDNA-methylation
approach
molecularly
subtype
SCLC.
Our
data
reveal
utility
as
universally
applicable
sensitive
detection,
monitoring
molecular
subtyping