bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2023,
Volume and Issue:
unknown
Published: April 12, 2023
ABSTRACT
The
transcription
factors
MECOM,
PAX8,
SOX17
and
WT1
are
candidate
master
regulators
of
high-grade
serous
‘ovarian’
cancer
(HGSC),
yet
their
cooperative
role
in
the
hypothesized
tissue
origin,
fallopian
tube
secretory
epithelium
(FTSEC)
is
unknown.
We
generated
26
epigenome
(CUT&TAG,
CUT&RUN,
ATAC-seq
HiC)
data
sets
24
profiles
RNA-seq
factor
knock-down
followed
by
RNA
sequencing
FTSEC
HGSC
models
to
define
binding
sites
gene
regulated
these
cis
trans
.
This
revealed
that
lineage-enriched,
super-enhancer
associated
whose
DNA-binding
patterns
target
genes
re-wired
during
tumor
development.
All
four
TFs
were
indispensable
for
clonogenicity
survival
but
only
depletion
PAX8
impaired
cell
survival.
These
pharmacologically
inhibited
transcriptional
inhibitors
HGSCs
not
FTSECs.
Collectively,
our
highlights
tumor-specific
epigenetic
remodeling
tightly
related
activity
targetable
a
manner
through
inhibitors.
Journal of Clinical Investigation,
Journal Year:
2024,
Volume and Issue:
134(1)
Published: Jan. 1, 2024
Following
a
period
of
slow
progress,
the
completion
genome
sequencing
and
paradigm
shift
relative
to
cell
origin
for
high
grade
serous
ovarian
cancer
(HGSOC)
led
new
perspective
on
biology
therapeutic
solutions
this
deadly
cancer.
Experimental
models
were
revisited
address
old
questions,
improved
tools
generated.
Additional
pathways
emerging
as
drivers
tumorigenesis
key
dependencies
targeting,
in
particular,
VEGF-driven
angiogenesis
homologous
recombination
deficiency,
discovered.
Molecular
profiling
histological
subtypes
defined
distinct
genetic
events
each
entity,
enabling
first
attempts
toward
personalized
treatment.
Armed
with
knowledge,
HGSOC
treatment
was
revised
include
agents.
Among
them,
PARP
inhibitors
(PARPis)
shown
induce
unprecedented
improvement
clinical
benefit
selected
subsets
patients.
Research
mechanisms
resistance
PARPis
is
beginning
discover
vulnerabilities
point
possibilities.
This
Review
highlights
these
advances,
remaining
challenges,
unsolved
problems
field.
Modern Pathology,
Journal Year:
2023,
Volume and Issue:
36(2), P. 100001 - 100001
Published: Jan. 9, 2023
PAX8
is
the
most
commonly
used
immunomarker
to
link
a
carcinoma
gynecologic
tract;
however,
it
lacks
specificity.
Through
mining
The
Cancer
Genome
Atlas
mRNA
expression
profile
data,
we
identified
SOX17
as
potential
specific
marker
at
level
for
tumors.
To
evaluate
utility
of
this
in
identification
origin
given
carcinoma,
performed
immunochemical
staining
large
cohort
ovarian
and
endometrial
cancer
cases
(n
=
416),
together
with
solid
tumors
from
other
organs
1544)
tissue
microarrays.
Similar
PAX8,
was
highly
expressed
different
subtypes
(97.5%
vs
97%
serous
90%
endometrioid
100%
clear
cell
carcinoma),
except
mucinous
(0%
27%),
also
(88%
84%
carcinoma).
not
thyroid
renal
carcinomas,
whereas
high
(86%
85%,
respectively).
In
addition,
low
levels
cervical
adenocarcinoma
(20%)
had
no
squamous
mesothelioma,
carcinomas
breast,
lung,
pancreas,
colon,
stomach,
liver,
bladder,
salivary
gland.
Our
data
indicate
that
only
sensitive
but
carcinomas.
Cell Death Discovery,
Journal Year:
2024,
Volume and Issue:
10(1)
Published: Feb. 9, 2024
The
sex-determining
region
Y
(SRY)-related
high-mobility
group
(HMG)
box
(SOX)
family,
composed
of
20
transcription
factors,
is
a
conserved
family
with
highly
homologous
HMG
domain.
Due
to
their
crucial
role
in
determining
cell
fate,
the
dysregulation
SOX
members
closely
associated
tumorigenesis,
including
tumor
invasion,
metastasis,
proliferation,
apoptosis,
epithelial-mesenchymal
transition,
stemness
and
drug
resistance.
Despite
considerable
research
investigate
mechanisms
functions
confusion
remains
regarding
aspects
such
as
immune
microenvironment
(TIME)
contradictory
impacts
exerts
on
tumors.
This
review
summarizes
physiological
function
multiple
roles
tumors,
focus
relationship
between
TIME,
aiming
propose
potential
cancer
promising
methods
for
treatment.
Journal of Translational Medicine,
Journal Year:
2024,
Volume and Issue:
22(1)
Published: March 11, 2024
Abstract
Background
Mitophagy,
a
prominent
cellular
homeostasis
process,
has
been
implicated
in
modulating
endothelial
cell
function.
Emerging
evidence
suggests
that
extracellular
vesicles
(EVs)
participate
intercellular
communication,
which
could
modulate
tumor
angiogenesis,
hallmark
of
ovarian
cancer
(OC)
progression.
However,
the
underlying
mechanisms
through
how
EVs
regulate
mitophagy
associated
with
angiogenesis
during
OC
development
remain
obscure.
Methods
The
effect
cell-derived
on
and
its
correlation
were
explored
by
vitro
vivo
experiments.
Multi-omics
integration
analysis
was
employed
to
identify
potential
regulatory
mitophagy,
is
involved
development.
These
insights
then
further
corroborated
additional
An
orthotopic
mouse
model
constructed
assess
antiangiogenic
therapeutic
Indoleamine
2,3
dioxygenase-1
(IDO1)
inhibitor.
Results
Cancer
promoted
via
activation
contributing
growth
metastasis
OC.
aberrantly
high
expression
IDO1
mediated
abnormal
tryptophan
metabolism
cells
secretion
l
-kynurenine
(L-kyn)-enriched
EVs,
levels
L-kyn
isolated
from
both
tissues
patient
plasma
derived
elevated
nicotinamide
adenine
dinucleotide
(NAD
+)
delivering
L-kyn.
Besides,
upregulated
sirt3
increasing
acetylation
modification.
findings
are
crucial
for
promoting
correlated
angiogenesis.
Notably,
be
suppressed
inhibitor
model.
Conclusions
Together,
our
unveil
mechanism
indicate
clinical
relevance
EV
enriched
as
biomarker
tumorigenesis
Additionally,
inhibitors
might
become
an
alternative
option
adjuvant
therapy.
Graphical
Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: March 4, 2025
Ovarian
Cancer
(OC)
is
the
most
lethal
gynecological
malignancy,
characterized
by
peritoneal
metastasis,
directly
linked
to
OC-related
deaths.
Here,
interrogating
CRISPR-Cas9
loss-of-function
genetic
screen
data,
we
identified
a
list
of
genes
essential
for
metastatic
OC,
including
several
well-known
oncogenes
(PAX8,
CCNE1,
WWTR1,
WT1,
KAT6A,
MECOM,
and
SOX17)
others
whose
roles
in
OC
have
not
yet
been
explored.
Protein-protein
interaction
analysis
selected
revealed
presence
protein
network
participating
epigenetic
regulation
gene
expression.
For
one
components,
BRPF1,
found
that
its
increased
expression
correlates
with
progression
poor
prognosis
patients.
Functional
assays
demonstrated
BRPF1
inhibition
significantly
reduces
cellular
migration
invasion,
supporting
role
progression.
Pharmacological
blockade
using
small
molecule
inhibitors
resulted
reduced
proliferation
high-grade
serous
cells
through
mechanisms
involving
activation
programmed
cell
death,
cycle
deregulation,
enhanced
DNA
damage.
Furthermore,
transcriptional
changes
induced
targeting
showed
growth
inhibitory
effects
may
be
mediated
deregulation
PPARα
signaling.
The
obtained
results
indicate
represents
novel
potential
therapeutic
target
treatment.
Acta Biomaterialia,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 1, 2025
This
study
investigated
the
development
and
characterization
of
decellularized
extracellular
matrix
(dECM)
hydrogels
tailored
for
biofabrication
female
reproductive
tissues,
specifically
targeting
ovarian
cortex,
endometrium,
medulla,
oviduct
tissues.
We
aimed
to
evaluate
cytocompatibility,
biomechanical
properties,
overall
efficacy
these
dECMs
in
promoting
cell
viability,
proliferation,
morphology
using
bovine
model.
Bovine
species
provide
a
valuable
model
due
their
accessibility
from
slaughterhouse
offering
practical
alternative
human
samples,
which
are
often
limited
availability.
Additionally,
tissue
closely
mirrors
certain
physiological
biological
characteristics
humans,
making
it
relevant
translational
research.
Our
findings
revealed
that
exhibited
high
biocompatibility
with
embryo
supporting
micro
vascularization
cellular
without
need
external
growth
factors.
It
is
important
note
addition
alginate
was
crucial
maintaining
structural
integrity
hydrogel
during
long-term
cultures.
These
displayed
properties
mimicked
native
vital
functional
activities.
The
printability
assessments
showed
dECMs,
particularly
those
cortex
achieved
precision
replicating
intended
structures,
though
challenges
such
as
low
porosity
remained.
bioprinted
constructs
demonstrated
robust
growth,
over
97%
viability
observed
by
day
7,
indicating
suitability
culture.
work
represented
significant
advancement
biofabrication,
demonstrating
potential
dECM-based
creating
structurally
viable
constructs.
By
tailoring
each
dECM
match
unique
different
we
paved
way
more
effective
reliable
applications
medicine
engineering.
STATEMENT
OF
SIGNIFICANCE:
research
explores
use
bio-inks
Ovarian
endometrium
essential
processes.
Notably,
microvascularization
differentiation
supplemental
successful
bioprinting
underscores
complex
models.
represents
engineering,
promising
new
avenues
medicine.