Cell Stress,
Journal Year:
2019,
Volume and Issue:
3(6), P. 165 - 180
Published: June 5, 2019
Epithelial
cell
adhesion
molecule
(EpCAM)
is
a
transmembrane
glycoprotein
primarily
known
to
mediate
homotypic
contacts
in
epithelia
tissues.
Because
EpCAM
expression
limited
normal
and
malignant
epithelia,
it
has
been
used
as
diagnostic
marker
for
the
detection
of
carcinoma
cells
mesenchymal
organs
such
blood,
bone
marrow
or
lymph
nodes.
In
particular,
molecular
characterization
EpCAM-positive
circulating
tumor
(CTCs)
blood
patients
gained
considerable
interest
over
past
ten
years.
considered
an
molecule,
but
recent
studies
have
shown
diverse
biological
functions
including
regulation
proliferation
cancer
stemness.
this
review,
we
summarize
current
knowledge
on
properties
with
emphasis
mechanisms
involved
progression
discuss
clinical
implications
these
findings
use
marker.
Science,
Journal Year:
2018,
Volume and Issue:
359(6378), P. 926 - 930
Published: Jan. 18, 2018
Earlier
detection
is
key
to
reducing
cancer
deaths.
Here,
we
describe
a
blood
test
that
can
detect
eight
common
types
through
assessment
of
the
levels
circulating
proteins
and
mutations
in
cell-free
DNA.
We
applied
this
test,
called
CancerSEEK,
1005
patients
with
nonmetastatic,
clinically
detected
cancers
ovary,
liver,
stomach,
pancreas,
esophagus,
colorectum,
lung,
or
breast.
CancerSEEK
tests
were
positive
median
70%
types.
The
sensitivities
ranged
from
69
98%
for
five
(ovary,
esophagus)
which
there
are
no
screening
available
average-risk
individuals.
specificity
was
greater
than
99%:
only
7
812
healthy
controls
scored
positive.
In
addition,
localized
small
number
anatomic
sites
83%
patients.
Journal of Hematology & Oncology,
Journal Year:
2022,
Volume and Issue:
15(1)
Published: Sept. 12, 2022
Abstract
Liquid
biopsies
are
increasingly
used
for
cancer
molecular
profiling
that
enables
a
precision
oncology
approach.
Circulating
extracellular
nucleic
acids
(cell-free
DNA;
cfDNA),
circulating
tumor
DNA
(ctDNA),
and
cells
(CTCs)
can
be
isolated
from
the
blood
other
body
fluids.
This
review
will
focus
on
current
technologies
clinical
applications
liquid
biopsies.
ctDNA/cfDNA
has
been
analyzed
using
many
techniques,
e.g.,
droplet
digital
polymerase
chain
reaction,
beads,
emulsion,
amplification,
magnetics
(BEAMing),
tagged-amplicon
deep
sequencing
(TAm-Seq),
personalized
by
(CAPP-Seq),
whole
genome
bisulfite
(WGBS-Seq),
exome
(WES),
(WGS).
CTCs
have
biomarker-based
cell
capture,
positive
or
negative
enrichment
based
biophysical
properties.
being
exploited
in
variety
of
applications:
differentiating
unique
immune
checkpoint
blockade
response
patterns
serial
samples;
predicting
baseline
biopsy
characteristics;
resistance
to
targeted
therapy
chemotherapy
as
well
immunotherapy,
including
CAR-T
cells,
sampling;
assessing
shed
multiple
metastatic
sites;
potentially
actionable
alterations;
analyzing
prognosis
burden,
after
surgery;
interrogating
difficult-to
tumors;
detecting
at
early
stages.
The
latter
limited
small
amounts
tumor-derived
components
into
circulation;
furthermore,
cfDNA
assessment
all
cancers
confounded
clonal
hematopoeisis
indeterminate
potential,
especially
elderly.
technically
more
difficult
isolate
cfDNA,
but
permit
functional
assays,
evaluation
CTC-derived
DNA,
RNA
proteins,
single-cell
analysis.
Blood
less
invasive
than
tissue
hence
amenable
collection,
which
provide
critical
information
real
time.
In
conclusion,
is
powerful
tool,
remarkable
advances
this
technology
impacted
aspects
oncology,
diagnosis
management
refractory
disease.
Future
research
may
fluids
beyond
blood,
such
ascites,
effusions,
urine,
cerebrospinal
fluid,
methylation
elements
exosomes.
British Journal of Cancer,
Journal Year:
2020,
Volume and Issue:
124(1), P. 13 - 26
Published: Nov. 26, 2020
Despite
being
the
hallmark
of
cancer
that
is
responsible
for
highest
number
deaths,
very
little
known
about
biology
metastasis.
Metastatic
disease
typically
manifests
after
a
protracted
period
undetectable
following
surgery
or
systemic
therapy,
owing
to
relapse
recurrence.
In
case
breast
cancer,
metastatic
can
occur
months
decades
initial
diagnosis
and
treatment.
this
review,
we
provide
an
overview
key
factors
influence
recurrence,
with
goal
highlighting
critical
unanswered
questions
still
need
be
addressed
make
difference
in
mortality
patients.
Journal of Molecular Medicine,
Journal Year:
2020,
Volume and Issue:
98(2), P. 161 - 177
Published: Jan. 22, 2020
Abstract
In
this
review,
we
highlight
the
role
of
intratumoral
heterogeneity,
focusing
on
clinical
and
biological
ramifications
phenomenon
poses.
Intratumoral
heterogeneity
arises
through
complex
genetic,
epigenetic,
protein
modifications
that
drive
phenotypic
selection
in
response
to
environmental
pressures.
Functionally,
provides
tumors
with
significant
adaptability.
This
ranges
from
mutual
beneficial
cooperation
between
cells,
which
nurture
features
such
as
growth
metastasis,
narrow
escape
survival
clonal
cell
populations
have
adapted
thrive
under
specific
conditions
hypoxia
or
chemotherapy.
These
dynamic
intercellular
interplays
are
guided
by
a
Darwinian
landscape
tumor
microenvironment.
Understanding
involved
drivers
functional
consequences
is
challenging
but
also
promises
provide
novel
insight
needed
confront
problem
therapeutic
resistance
tumors.
Therapeutic Advances in Medical Oncology,
Journal Year:
2018,
Volume and Issue:
10
Published: Jan. 1, 2018
Over
the
last
decades,
concept
of
precision
medicine
has
dramatically
renewed
field
medical
oncology;
introduction
patient-tailored
therapies
significantly
improved
all
measurable
outcomes.
Liquid
biopsy
is
a
revolutionary
technique
that
opening
previously
unexpected
perspectives.
It
consists
detection
and
isolation
circulating
tumor
cells,
DNA
exosomes,
as
source
genomic
proteomic
information
in
patients
with
cancer.
Many
technical
hurdles
have
been
resolved
thanks
to
newly
developed
techniques
next-generation
sequencing
analyses,
allowing
broad
application
liquid
wide
range
settings.
Initially
correlated
prognosis,
data
are
now
being
studied
for
cancer
diagnosis,
hopefully
including
screenings,
most
importantly
prediction
response
or
resistance
given
treatments.
In
particular,
identification
specific
mutations
target
genes
can
aid
therapeutic
decisions,
both
appropriateness
treatment
advanced
secondary
resistance,
aiming
early
diagnose
disease
progression.
Still
far
from
reality
but
ongoing
research
leading
way
new
era
oncology.
This
review
summarizes
main
applications
Computational and Structural Biotechnology Journal,
Journal Year:
2018,
Volume and Issue:
16, P. 370 - 378
Published: Jan. 1, 2018
Precision
medicine
in
the
clinical
management
of
cancer
may
be
achieved
through
diagnostic
platform
called
"liquid
biopsy".
This
method
utilizes
detection
biomarkers
blood
for
prognostic
and
predictive
purposes.
One
latest
born
markers
under
investigation
field
liquid
biopsy
patients
is
circulating
tumor
DNA
(ctDNA).
ctDNA
released
by
cells
different
mechanisms
can
therefore
provide
information
about
genomic
make-up
currently
present
patient.
Through
longitudinal
ctDNA-based
biopsies,
dynamics
monitored
to
predict
assess
drug
response
and/or
resistance.
However,
because
highly
fragmented
its
concentration
extremely
low
a
high
background
normal
DNA,
screening
relevant
mutations
challenging.
Although
significant
progress
has
been
made
advancing
analysis
last
few
years,
current
challenges
include
standardization
increasing
techniques
single
molecule
sensitivity
combination
with
perfect
specificity.
review
focuses
on
potential
role
patients,
technologies
that
are
being
employed,
hurdles
still
need
taken
achieve
towards
precision
medicine.
Acta Cytologica,
Journal Year:
2019,
Volume and Issue:
63(6), P. 449 - 455
Published: Jan. 1, 2019
Liquid
biopsy
provides
the
opportunity
of
detecting,
analyzing
and
monitoring
cancer
in
various
body
effluents
such
as
blood
or
urine
instead
a
fragment
tissue.
It
is
composed
different
biological
matrices
circulating
tumor
cells
(CTCs),
cell
free
nucleic
acids,
exosomes
tumors
“educated
platelets.”
In
addition
to
representing
non-
minimally
invasive
procedure,
it
should
represent
better
view
heterogeneity
allows
for
real-time
evolution.
Recent
technological
molecular
advances,
greatly
facilitated
by
use
microfluidics
many
cases,
have
permitted
large
progresses
both
our
ability
purify
analyze
liquid
components.
particular,
great
developments
droplet-based
digital
PCR
optimizations
next
generation
sequencing
technologies
are
central
several
validations
CTC-free
DNA
strong
biomarker.
However,
complete
adoption
clinics
will
require
pursuing
recent
efforts
standardization
procedures
on
pre-analytical
analytical
aspects.