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.
Diagnostic Cytopathology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 17, 2025
ABSTRACT
Background
The
identification
of
metastatic
tumors
in
serous
fluid
cytology
specimens
(SFCS)
has
always
been
a
challenge.
In
this
study,
we
explored
SOX17
as
an
immunohistochemical
(IHC)
marker
for
the
diagnosis
gynecologic
body
specimens.
Methods
We
selected
97
tumor
cases,
including
85
SFCS
with
adequate
cell
block
material
(from
primary,
n
=
30
and
others,
55)
12
histology
(thymic
thyroid
tumors).
IHC
was
performed
on
all
results
were
interpreted
positive
or
negative.
Positive
further
characterized
by
intensity
(nuclear
staining)
weak
(1+),
moderate
(2+),
strong
(3+)
percentage
cells
focal
(<
10%),
patchy
(10%–50%)
diffuse
(>
50%).
Results
primary
tumors,
exhibited
nuclear
staining
28
out
two
cases
showing
staining.
All
non‐gynecologic
effusion
SOX17‐negative
except
one
case
renal
carcinoma,
which
displayed
pattern.
consisting
thymic
negative
SOX17.
Conclusions
tract
origin
positive,
while
other
case.
This
finding
suggests
that
is
excellent
addition
to
panel
working
up
at
sites,
specifically
when
are
differential
diagnosis.
Cancer Cytopathology,
Journal Year:
2023,
Volume and Issue:
131(7), P. 465 - 470
Published: May 17, 2023
Abstract
Background
SOX17
(SRY‐box
transcription
factor
17)
was
recently
identified
as
a
highly
sensitive
and
specific
marker
for
ovarian
endometrial
carcinomas
in
surgical
specimens.
In
this
study,
validation
of
the
utility
immunohistochemistry
(IHC)
diagnosing
metastatic
gynecologic
cytology
specimens
sought.
Methods
The
study
cohort
included
84
cases
that
29
(24
high‐grade
serous
carcinomas,
two
one
low‐grade
carcinoma,
clear
cell
endometrioid
carcinoma)
55
nongynecologic
(10
renal
10
papillary
thyroid
11
gastrointestinal
adenocarcinomas,
breast
lung
four
urothelial
carcinomas).
Cytology
specimen
types
peritoneal
fluid
(
n
=
44),
pleural
25),
fine‐needle
aspiration
15).
IHC
performed
on
block
sections.
intensity
staining
percent
positivity
tumor
cells
were
evaluated.
Results
expressed
all
tested
with
diffuse
strong
nuclear
expression
(29
29;
100%).
negative
other
(54
55;
98.18%)
except
carcinoma
showed
low
(<10%).
Conclusions
is
(100%)
(98.2%)
differential
diagnosis
Therefore,
should
be
workup
Proceedings of the National Academy of Sciences,
Journal Year:
2024,
Volume and Issue:
121(34)
Published: Aug. 12, 2024
Significant
racial
disparities
exist
between
Black
and
White
patients
with
uterine
serous
carcinoma
(USC).
While
the
reasons
for
these
are
unclear,
several
studies
have
demonstrated
significantly
different
rates
of
driver
mutations
groups,
including
TP53.
However,
limited
research
has
investigated
transcriptional
differences
tumors
or
composition
tumor
microenvironment
(TME)
groups.
Here,
we
report
single-nuclei
RNA-sequencing
profiles
primary
USC
from
diverse
backgrounds.
We
find
that
there
significant
patients.
Tumors
exhibited
higher
expression
specific
genes
associated
aggressiveness,
such
as
PAX8,
axon
guidance
synaptic
signaling
pathways.
also
T
cell
populations
reduced
in
tissue
compared
to
matched
benign,
while
anti-inflammatory
macrophage
retained
within
TME.
Furthermore,
connection
PAX8
overexpression
immunosuppression
through
regulation
cytokines
chemokines.
Notably,
show
activity
can
influence
gene
protein
secretion.
These
provide
a
detailed
understanding
transcriptome
TME,
identify
biology
International Journal of Molecular Sciences,
Journal Year:
2022,
Volume and Issue:
23(13), P. 7410 - 7410
Published: July 3, 2022
Normal
processes
of
embryonic
development
and
abnormal
transformation
to
cancer
have
many
parallels,
in
fact
aberrant
cell
capabilities
are
traits
restored
a
distorted,
unorganized
way.
Some
these
autonomous,
such
as
proliferation
resisting
apoptosis,
while
others
involve
complex
interplay
with
other
cells
that
drives
significant
changes
neighboring
cells.
The
correlation
between
is
driven
by
shared
proteins.
proteins
disappear
after
embryogenesis
adult
differentiated
cancer,
retained
cells,
acquiring
new
functions
upon
cancer.
Many
factors
embraced
transcription
factors;
some
master
regulators
play
major
role
determining
fate.
paired
box
(PAX)
domain
family
developmental
includes
nine
members
involved
differentiation
various
organs.
All
different
types
carrying
pro-tumorigenic
or
anti-tumorigenic
roles.
This
review
focuses
on
PAX8,
regulator
the
thyroid,
kidney,
male
female
genital
tracts.
We
detail
PAX8
each
organ
systems,
describe
its
during
if
known,
highlight
cancers
emerge
from
expressing
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2023,
Volume and Issue:
unknown
Published: June 7, 2023
Abstract
The
fallopian
tube
has
an
essential
role
in
several
physiological
and
pathological
processes
from
pregnancy
to
ovarian
cancer.
However,
there
are
no
biologically
relevant
models
study
its
pathophysiology.
state-of-the-art
organoid
model
been
compared
two-dimensional
tissue
sections
molecularly
assessed
providing
only
cursory
analyses
of
the
model’s
accuracy.
We
developed
a
novel
multi-compartment
human
that
was
meticulously
tuned
reflect
compartmentalization
heterogeneity
tissue’s
composition.
validated
this
organoid’s
molecular
expression
patterns,
cilia-driven
transport
function,
structural
accuracy
through
highly
iterative
platform
wherein
organoids
three-dimensional,
single-cell
resolution
reference
map
healthy,
transplantation-quality
tube.
This
precision-engineered
match
microanatomy.
One
sentence
summary
Tunable
modeling
CODA
architectural
quantification
tandem
help
design
tissue-validated
model.
Histopathology,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 8, 2024
Aims
Recently,
SOX17
has
emerged
as
a
promising
biomarker
for
non‐mucinous
Müllerian
(ovarian
and
endometrial)
carcinomas,
demonstrating
increased
specificity
in
comparison
to
PAX8
while
maintaining
similar
sensitivity.
However,
expression
of
mesonephric‐like
adenocarcinoma
(MLA),
carcinoma
the
female
genital
tract
with
uncertain,
but
probably
histogenesis,
remains
unexplored.
This
study
aims
address
this
gap.
Methods
results
immunohistochemistry
was
performed
on
whole
tissue
sections
from
68
MLAs
originating
endometrium
or
ovary
seven
cervical
mesonephric
well
six
remnants/hyperplasias.
Using
four‐tiered
scoring
system
based
distribution
intensity
staining,
68%
MLA
displayed
negative/low
(<
10%)
pattern,
which
contrasts
high
observed
most
carcinomas.
22%
demonstrated
expression,
other
endometrial
ovarian
Similarly,
five
(72%)
carcinomas
cervix
were
SOX17‐negative,
two
cases
(28%)
positive.
All
remnants/hyperplasias
negative.
Conclusions
The
majority
are
negative
exhibit
low
contrast
diffuse
strong
commonly
seen
types
carcinoma.
subset
demonstrate
expression.
Therefore,
absence
staining
is
supportive
when
differential
includes
another
may
also
be
useful
differentiating
malignancies
benign
glandular
lesions.
Science Advances,
Journal Year:
2024,
Volume and Issue:
10(39)
Published: Sept. 27, 2024
The
fallopian
tubes
play
key
roles
in
processes
from
pregnancy
to
ovarian
cancer
where
three-dimensional
(3D)
cellular
and
extracellular
interactions
are
important
their
pathophysiology.
Here,
we
develop
a
3D
multicompartment
assembloid
model
of
the
tube
that
molecularly,
functionally,
architecturally
resembles
organ.
Global
label-free
proteomics,
innovative
assays
capturing
physiological
functions
(i.e.,
oocyte
transport),
whole-organ
single-cell
resolution
mapping
used
validate
these
assembloids
through
multifaceted
platform
with
direct
comparisons
tissue.
These
techniques
converge
at
unique
combination
parameters
highest
similarity
reference
tube.
This
work
establishes
(i)
an
optimized
human
for
vitro
studies
pathophysiology
(ii)
iterative
customized
models
organs
microanatomically
accurate
by
combining
tunable
tissue
methods.
OncoTargets and Therapy,
Journal Year:
2022,
Volume and Issue:
Volume 15, P. 1273 - 1280
Published: Oct. 1, 2022
Abstract:
The
Fallopian
tube
epithelium
harbors
the
origin
cells
for
majority
of
high-grade
serous
ovarian
carcinomas
(HGSCs),
most
lethal
form
gynecologic
malignancies.
PAX8
belongs
to
paired-box
gene
family
transcription
factors
and
it
is
a
marker
FTE
secretory
cell
lineage.
Its
role
has
been
investigated
in
migration,
invasion,
proliferation,
survival,
stem
maintenance,
angiogenesis
tumor
growth.
In
this
review,
we
focus
on
pro-tumorigenic
cancer;
context,
possibly
continues
exert
its
transcriptional
activity
physiological
targets
but
may
also
function
newly
available
after
tumorigenic
hits.
Acquiring
new
insights
into
different
mechanism(s)
action
microenvironment
could
uncover
viable
therapeutic
thus
improve
current
treatment
regimen.
Keywords:
PAX8,
cancer,
factor,
tube,
STICs
Cancer Genomics & Proteomics,
Journal Year:
2023,
Volume and Issue:
20(5), P. 433 - 447
Published: Jan. 1, 2023
SRY-box
containing
gene
17
(SOX17)
plays
a
pivotal
role
in
cancer
onset
and
progression
is
considered
potential
target
for
diagnosis
treatment.
However,
the
expression
pattern
of
SOX17
its
clinical
relevance
remains
unknown.
Here,
we
explored
relationship
between
drug
response
by
examining
patterns
across
multiple
types.Single-cell
bulk
RNA-seq
analyses
were
used
to
explore
profile
SOX17.
Analysis
results
verified
with
qPCR
immunohistochemistry.
Survival,
response,
co-expression
performed
illustrate
correlation
outcomes.The
revealed
that
abnormal
highly
heterogenous
types,
indicating
manifests
as
type-dependent
feature.
Furthermore,
also
associated
prognosis
certain
types.
Strong
correlates
potency
small
molecule
drugs
affect
PI3K/mTOR
signaling.
FGF18,
relevant
SOX17,
involved
PI3K-AKT
signaling
pathway.
Single-cell
analysis
demonstrated
mainly
expressed
endothelial
cells
barely
other
but
spreads
cell
types
during
development
ovarian
cancer.Our
study
pan-cancer
through
single-cell
determined
related
diagnosis,
staging,
some
tumors.
These
findings
have
implications
may
help
identify
mechanistic
pathways
amenable
pharmacological
interventions.