Genome Research,
Journal Year:
2019,
Volume and Issue:
29(3), P. 418 - 427
Published: Feb. 26, 2019
Cell-free
DNA
(cfDNA)
in
human
plasma
is
a
class
of
biomarkers
with
many
current
and
potential
future
diagnostic
applications.
Recent
studies
have
shown
that
cfDNA
molecules
are
not
randomly
fragmented
possess
information
related
to
their
tissues
origin.
Pathologies
causing
death
cells
from
particular
result
perturbations
the
relative
distribution
affected
tissues.
Such
tissue-of-origin
analysis
particularly
useful
development
liquid
biopsies
for
cancer.
It
therefore
value
accurately
determine
contributions
pool
simultaneous
manner.
In
this
work,
we
report
open
chromatin
regions,
show
characteristic
fragmentation
patterns
reflected
by
sequencing
coverage
imbalance
differentially
phased
fragment
end
signals.
The
latter
refers
differences
read
densities
sequences
corresponding
orientation
upstream
downstream
ends
relation
reference
genome.
preferentially
occur
tissue-specific
regions
where
contributed
into
plasma.
Quantitative
analyses
such
signals
allow
measurement
various
toward
pool.
These
findings
were
validated
data
obtained
pregnant
women,
organ
transplantation
recipients,
cancer
patients.
Orientation-aware
has
applications
noninvasive
prenatal
testing,
monitoring,
biopsy.
Molecular Aspects of Medicine,
Journal Year:
2019,
Volume and Issue:
69, P. 107 - 122
Published: June 14, 2019
New
non-invasive
approaches
that
can
complement
and
improve
on
current
strategies
for
colorectal
cancer
(CRC)
screening
management
are
urgently
needed.
A
growing
number
of
publications
have
documented
components
tumors,
which
shed
into
the
circulation,
be
detected
in
form
liquid
biopsies
used
to
detect
CRC
at
early
stages,
predict
response
certain
therapies
recurrence
a
minimally
invasive
way.
The
analysis
circulating
tumor
DNA
(ctDNA),
tumor-derived
cells
(CTC,
cells)
or
microRNA
(miRNA)
blood
other
body
fluids,
great
potential
different
aspects
management.
challenge
now
is
find
types
components,
biofluids
detection
methods
would
most
suitable
applied
steps
treatment.
This
chapter
will
provide
an
up
date
review
ctDNA,
CTCs
miRNAs
as
new
biomarkers
CRC,
either
clinical
detection,
highlighting
their
advantages
limitations.
Nature Communications,
Journal Year:
2019,
Volume and Issue:
10(1)
Published: Oct. 11, 2019
Deregulation
of
transcription
factors
(TFs)
is
an
important
driver
tumorigenesis,
but
non-invasive
assays
for
assessing
factor
activity
are
lacking.
Here
we
develop
and
validate
a
minimally
invasive
method
TF
based
on
cell-free
DNA
sequencing
nucleosome
footprint
analysis.
We
analyze
whole
genome
data
>1,000
samples
from
cancer
patients
healthy
controls
using
bioinformatics
pipeline
developed
by
us
that
infers
accessibility
binding
sites
fragmentation
patterns.
observe
patient-specific
as
well
tumor-specific
patterns,
including
accurate
prediction
tumor
subtypes
in
prostate
cancer,
with
clinical
implications
the
management
patients.
Furthermore,
show
profiling
capable
detection
early-stage
colorectal
carcinomas.
Our
approach
mapping
vivo
blood
makes
key
part
noncoding
amenable
to
Genome Research,
Journal Year:
2019,
Volume and Issue:
29(3), P. 418 - 427
Published: Feb. 26, 2019
Cell-free
DNA
(cfDNA)
in
human
plasma
is
a
class
of
biomarkers
with
many
current
and
potential
future
diagnostic
applications.
Recent
studies
have
shown
that
cfDNA
molecules
are
not
randomly
fragmented
possess
information
related
to
their
tissues
origin.
Pathologies
causing
death
cells
from
particular
result
perturbations
the
relative
distribution
affected
tissues.
Such
tissue-of-origin
analysis
particularly
useful
development
liquid
biopsies
for
cancer.
It
therefore
value
accurately
determine
contributions
pool
simultaneous
manner.
In
this
work,
we
report
open
chromatin
regions,
show
characteristic
fragmentation
patterns
reflected
by
sequencing
coverage
imbalance
differentially
phased
fragment
end
signals.
The
latter
refers
differences
read
densities
sequences
corresponding
orientation
upstream
downstream
ends
relation
reference
genome.
preferentially
occur
tissue-specific
regions
where
contributed
into
plasma.
Quantitative
analyses
such
signals
allow
measurement
various
toward
pool.
These
findings
were
validated
data
obtained
pregnant
women,
organ
transplantation
recipients,
cancer
patients.
Orientation-aware
has
applications
noninvasive
prenatal
testing,
monitoring,
biopsy.