Cells,
Journal Year:
2023,
Volume and Issue:
12(15), P. 1929 - 1929
Published: July 25, 2023
MAGI1
acts
as
a
tumor
suppressor
in
estrogen
receptor-positive
(ER+)
breast
cancer
(BC),
and
its
loss
correlates
with
more
aggressive
phenotype.
To
identify
the
pathways
events
affected
by
loss,
we
deleted
gene
ER+
MCF7
BC
cell
line
performed
RNA
sequencing
functional
experiments
vitro.
Transcriptome
analyses
revealed
sets
biological
processes
related
to
signaling,
cycle,
DNA
damage
responses
loss.
Upon
exposure
TNF-α/IFN-γ,
KO
cells
entered
deeper
level
of
quiescence/senescence
compared
control
activated
AKT
MAPK
signaling
pathways.
exposed
ionizing
radiations
or
cisplatin
had
reduced
expression
repair
proteins
showed
increased
sensitivity
towards
PARP1
inhibition
using
olaparib.
Treatment
PI3K
inhibitors
(alpelisib
MK-2206)
restored
sensitized
fulvestrant.
An
analysis
human
patients’
transcriptomic
data
that
patients
low
levels
higher
mutational
burden
homologous
recombination
deficiency.
Moreover,
negatively
correlated
PI3K/AKT
which
confirmed
our
vitro
observations.
Pharmacological
genomic
evidence
indicate
HDACs
regulators
expression.
Our
findings
provide
new
view
on
function
potential
treatment
options
improve
management
levels.
Journal of Clinical Oncology,
Journal Year:
2024,
Volume and Issue:
42(30), P. 3550 - 3560
Published: July 31, 2024
PURPOSE
Cancers
with
homologous
recombination
deficiency
(HRD)
can
benefit
from
platinum
salts
and
poly(ADP-ribose)
polymerase
inhibitors.
Standard
diagnostic
tests
for
detecting
HRD
require
molecular
profiling,
which
is
not
universally
available.
METHODS
We
trained
DeepHRD,
a
deep
learning
platform
predicting
hematoxylin
eosin
(H&E)–stained
histopathological
slides,
using
primary
breast
(n
=
1,008)
ovarian
459)
cancers
The
Cancer
Genome
Atlas
(TCGA).
DeepHRD
was
compared
four
standard
349)
141)
multiple
independent
data
sets,
including
platinum-treated
clinical
cohorts
RECIST
progression-free
survival
(PFS),
complete
response
(CR),
overall
(OS)
endpoints.
RESULTS
predicted
held-out
H&E-stained
cancer
slides
in
TCGA
an
AUC
of
0.81
(95%
CI,
0.77
to
0.85).
This
performance
confirmed
two
(AUC,
0.76
[95%
0.71
0.82]).
In
external
metastatic
cohort,
samples
as
had
higher
CR
0.54
0.93])
3.7-fold
increase
median
PFS
(14.4
v
3.9
months;
P
.0019)
hazard
ratio
(HR)
0.45
(
.0047).
There
were
no
significant
differences
nonplatinum
treatment
outcome
by
status
three
cohorts,
0.39)
(HR,
0.98,
.95)
taxane-treated
cancer.
Through
transfer
high-grade
serous
cancer,
DeepHRD-predicted
better
OS
after
first-line
0.46;
.030)
neoadjuvant
0.49;
.015)
therapy
cohorts.
CONCLUSION
predict
directly
routine
H&E
across
slide
scanners,
tissue
fixation
variables.
When
testing,
classified
1.8-
3.1-fold
more
patients
HRD,
exhibited
platinum-specific
ESMO Open,
Journal Year:
2025,
Volume and Issue:
10(1), P. 104091 - 104091
Published: Jan. 1, 2025
Ovarian
cancer
(OvC)
constitutes
significant
management
challenges
primarily
due
to
its
late-stage
diagnosis
and
the
development
of
resistance
chemotherapy.
The
standard
treatment
regimen
typically
includes
carboplatin
paclitaxel,
with
addition
poly
(ADP-ribose)
polymerase
inhibitors
for
patients
high-grade
serous
ovarian
(HGSOC)
harboring
BRCA1/2
mutations.
However,
variability
in
responses
suggests
need
investigate
factors
beyond
mutations,
such
as
DNA
repair
mechanisms
epigenetic
alterations.
Notably,
homologous
recombination
deficiency
(HRD)
is
observed
an
additional
20%
HGSOC
cases,
indicating
a
broader
spectrum
defects.
Existing
commercial
HRD
assays
have
certain
limitations,
prompting
global
effort
develop
new
genomic
functional
tests
through
academic
research.
Medicinal Research Reviews,
Journal Year:
2024,
Volume and Issue:
44(6), P. 2774 - 2792
Published: June 24, 2024
Breast
cancer
(BC)
is
a
highly
heterogeneous
disease,
and
the
presence
of
germline
breast
gene
mutation
(gBRCAm)
associated
with
poor
prognosis.
Triple-negative
(TNBC)
BC
subtype,
characterized
by
absence
hormone
growth
factor
receptor
expression,
making
therapeutic
decisions
difficult.
Defects
in
DNA
damage
response
pathway
due
to
genes
(BRCA
1/2)
lead
homologous
recombination
deficiency
(HRD).
However,
HRD
conditions,
poly
(adenosine
diphosphate-ribose)
polymerase
(PARP)
proteins
repair
tumor
cell
survival.
Biological
understanding
leads
development
PARP
inhibitors
(PARPi),
which
trap
cause
genomic
instability
lysis.
assessment
can
be
an
important
biomarker
identifying
gBRCAm
patients
who
could
benefit
from
PARPi
therapy.
identified
(HRR)
gene-based
assays,
genomic-scarring
assays
mutational
signatures,
transcription
protein
expression
profiles,
functional
assays.
gold
standard
methodologies
that
are
robust
reliable
assess
not
available
currently.
Hence,
there
pressing
need
develop
accurate
biomarkers
tumors
guide
targeted
therapies
such
as
BC.
has
shown
fruitful
outcomes
chemotherapy
studies
preliminary
evidence
on
intervention
monotherapy
combination
therapy
HRD-stratified
patients.
Furthermore,
ongoing
trials
exploring
potential
clinically
complex
TNBC
settings,
where
testing
used
adjunct
stratify
based
BRCA
mutations.
Cancers,
Journal Year:
2023,
Volume and Issue:
15(13), P. 3445 - 3445
Published: June 30, 2023
The
worldwide
approval
of
the
combination
maintenance
therapy
olaparib
and
bevacizumab
in
advanced
high-grade
serous
ovarian
cancer
requires
complex
molecular
diagnostic
assays
that
are
sufficiently
robust
for
routine
detection
driver
mutations
homologous
recombination
repair
(HRR)
genes
genomic
instability
(GI),
employing
formalin-fixed
(FFPE)
paraffin-embedded
tumor
samples
without
matched
normal
tissue.
We
therefore
established
a
DNA-based
hybrid
capture
NGS
assay
an
associated
bioinformatic
pipeline
fulfils
our
institution's
specific
needs.
assay´s
target
regions
cover
full
exonic
territory
relevant
cancer-related
HRR
more
than
20,000
evenly
distributed
single
nucleotide
polymorphism
(SNP)
loci
to
allow
genome-wide
allele
copy
number
alterations
(CNA).
To
determine
GI
status,
we
implemented
%CNA
score
is
across
broad
range
cell
content
(25-85%)
often
found
FFPE
samples.
was
using
which
BRCA1
BRCA2
mutation
status
as
well
Myriad
MyChoice
deficiency
(HRD)
known.
NOGGO
(Northeastern
German
Society
Gynecologic
Oncology)
GIS
(GI-Score)
v1
clinically
validated
on
400
ENGOT
PAOLA-1
clinical
trial
part
European
Network
Gynaecological
Oncological
Trial
groups
(ENGOT)
HRD
Initiative.
"NOGGO
assay"
performed
highly
hazard
ratios
progression-free
survival
(PFS)
overall
(OS),
significantly
lower
dropout
rate
supporting
utility
assay.
also
provide
proof
modular
scalable
method,
can
be
flexibly
adapted
adjusted
meet
future
needs,
emerging
biomarkers,
further
entities.
Cancer Treatment Reviews,
Journal Year:
2023,
Volume and Issue:
121, P. 102650 - 102650
Published: Oct. 31, 2023
Breast
cancer
susceptibility
gene
1
(BRCA1)
and
breast
2
(BRCA2)
deleterious
variants
were
the
first
and,
still
today,
main
biomarkers
of
poly(ADP)ribose
polymerase
(PARP)-inhibitors
(PARPis)
benefit.
The
recent,
increased,
numbers
individuals
referred
for
counseling
multigene
panel
testing,
remarkable
expansion
approved
PARPis,
not
restricted
to
BRCA1/BRCA2-Pathogenic
Variants
(PVs),
produced
a
strong
clinical
need
non-BRCA
biomarkers.
Significant
limitations
current
testing
assays
exist.
different
approaches
that
identify
causes
Homologous
Recombination
Deficiency
(HRD),
such
as
germline
somatic
Repair
(HRR)
PVs,
showing
its
consequences,
genomic
scars,
or
novel
functional
RAD51
foci
are
interchangeable,
should
be
considered
substitutes
each
other
in
practice
guiding
use
PARPi
non-BRCA,
HRD-associated
tumors.
Today,
deeper
knowledge
on
significant
relationship
among
all
proteins
involved
HRR,
limited
BRCA,
expands
possibility
successful
HRD-PARPi
synthetic
lethality
at
same
time,
reinforces
enhanced
definition
HRD
predicting
magnitude
Frontiers in Oncology,
Journal Year:
2024,
Volume and Issue:
14
Published: Aug. 16, 2024
Ovarian
carcinoma
(OC)
still
represents
an
insidious
and
fatal
malignancy,
few
significant
results
have
been
obtained
in
the
last
two
decades
to
improve
patient
survival.
Novel
targeted
therapies
such
as
poly
(ADP-ribose)
polymerase
inhibitors
(PARPi)
successfully
introduced
clinical
management
of
OC,
but
not
all
patients
will
benefit,
drug
resistance
almost
inevitably
occurs.
The
identification
who
are
likely
respond
PARPi-based
relies
on
homologous
recombination
deficiency
(HRD)
tests,
this
condition
is
associated
with
response
these
treatments.
This
review
summarizes
genomic
functional
HRD
assays
currently
used
practice
those
under
evaluation,
implications
testing
their
current
pitfalls
limitations.
Special
emphasis
be
placed
development
use
machine
learning
artificial
intelligence
technologies
novel
strategies
overcome
limitations
tests
for
a
better-personalized
treatment
outcomes.
BMC Medicine,
Journal Year:
2025,
Volume and Issue:
23(1)
Published: Jan. 6, 2025
Abstract
Ovarian
cancer
remains
the
most
lethal
gynecological
malignancy.
Despite
approval
of
promising
targeted
therapy
such
as
bevacizumab
and
PARP
inhibitors,
5-year
survival
has
not
improved
significantly.
Thus,
there
is
an
urgent
need
for
new
therapeutics.
New
advancements
in
therapeutic
strategies
target
pivotal
hallmarks
cancer.
This
review
giving
updated
overview
innovative
upcoming
therapies
treatment
ovarian
that
focuses
specific
on
The
constitute
a
broad
concept
to
reenact
complexity
malignancies
furthermore
identify
possible
targets
strategies.
For
this
purpose,
we
analyzed
approvals
current
clinical
phase
III
studies
(registered
at
ClinicalTrials.gov
(National
Library
Medicine,
National
Institutes
Health;
U.S.
Department
Health
Human
Services,
2024))
drugs
basis
their
mechanisms
action
identified
approaches.
A
spectrum
currently
under
investigation
targeting
mainly
“self-sufficiency
growth
signals,”
“genomic
instability,”
“angiogenesis.”
benefit
immune
checkpoint
inhibitors
been
demonstrated
first
time.
Besides,
tumor
microenvironment
growing
interest.
Replicative
immortality,
energy
metabolism,
promoting
inflammation,
microbiome
are
still
barely
by
drugs.
Nevertheless,
precision
medicine,
which
disease
characteristics,
becoming
increasingly
important
treatment.
Graphical
Frontiers in Oncology,
Journal Year:
2025,
Volume and Issue:
14
Published: Jan. 7, 2025
Genomic
analysis
has
played
a
significant
role
in
the
identification
of
driver
mutations
that
are
linked
to
disease
progression
and
response
drug
treatment
ovarian
cancer.
A
prominent
example
is
stratification
epithelial
cancer
(EOC)
patients
with
homologous
recombination
deficiency
(HRD)
characterized
by
DNA
damage
repair
genes
such
as
BRCA1/2
for
PARP
inhibitors.
However,
recent
studies
have
shown
some
tumors
respond
inhibitors
irrespective
their
HRD
or
BRCA
mutation
status.
An
exclusive
focus
on
genome
overlooks
insight
can
be
gained
from
other
biological
analytes,
including
proteins,
which
carry
out
cellular
functions.
Proteogenomics
integration
genomics,
transcriptomics,
epigenomics
proteomics
data.
This
review
paper
provides
novel
into
proteogenomics
an
analytical
approach
identify
predictive
biomarkers
Proteogenomic
facilitate
response,
consequently
greatly
improving
EOC
towards
goal
personalized
medicine.
Journal of Experimental & Clinical Cancer Research,
Journal Year:
2024,
Volume and Issue:
43(1)
Published: May 15, 2024
Abstract
Over
the
last
few
decades,
incidence
of
urogenital
cancers
has
exhibited
diverse
trends
influenced
by
screening
programs
and
geographical
variations.
Among
women,
there
been
a
consistent
or
even
increased
occurrence
endometrial
ovarian
cancers;
conversely,
prostate
cancer
remains
one
most
diagnosed
malignancies,
with
rise
in
reported
cases,
partly
due
to
enhanced
improved
efforts.
Simultaneously,
landscape
therapeutics
undergone
remarkable
evolution,
encompassing
introduction
targeted
therapies
significant
advancements
traditional
chemotherapy.
Modern
treatments
aim
selectively
address
molecular
aberrations
driving
cancer,
minimizing
adverse
effects
on
normal
cells.
However,
chemotherapy
retains
its
crucial
role,
offering
broad-spectrum
approach
that,
despite
wider
range
side
effects,
indispensable
treatment
various
cancers,
often
working
synergistically
enhance
overall
efficacy.
For
especially
DNA
damage
response
inhibitors,
such
as
PARP
have
emerged
promising
therapeutic
avenues.
In
BRCA
-mutated
inhibitors
like
olaparib
niraparib
demonstrated
efficacy,
leading
their
approval
for
specific
indications.
Similarly,
patients
mutations
shown
sensitivity
these
agents
heralding
new
frontier
disease
management.
Furthermore,
progression
is
intricately
linked
hormonal
regulation.
Ovarian
development
also
associated
prolonged
exposure
estrogen,
while
testosterone
metabolite
dihydrotestosterone,
can
fuel
growth
Thus,
understanding
interplay
between
hormones,
repair
mechanisms
hold
promise
exploring
novel
tumors.
addition,
it
primary
importance
use
preclinical
models
that
mirror
close
possible
biological
genetic
features
patients’
tumors
order
effectively
translate
findings
“from
bench
bedside”.
summary,
complex
underscores
need
innovative
approaches.
Targeted
therapy
tailored
hormone
regulation
might
offer
avenues
improving
management
outcomes
affected
cancers.