medRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 25, 2024
ABSTRACT
Prostate
cancer
(PCa)
poses
a
significant
global
health
challenge,
particularly
due
to
its
progression
into
aggressive
forms
like
neuroendocrine
prostate
(NEPC).
This
study
developed
and
validated
stemness-associated
gene
signature
using
advanced
machine
learning
techniques,
including
Random
Forest
Lasso
regression,
applied
large-scale
transcriptomic
datasets.
The
resulting
7-gene
(
KMT5C,
MEN1,
TYMS,
IRF5,
DNMT3B,
CDC25B
DPP4
)
was
across
independent
cohorts
patient-derived
xenograft
(PDX)
models.
demonstrated
strong
prognostic
value
for
progression-free,
disease-free,
relapse-free,
metastasis-free,
overall
survival.
Importantly,
the
not
only
identified
specific
NEPC
subtypes,
such
as
large-cell
carcinoma,
which
is
associated
with
very
poor
outcomes,
but
also
predicted
prognosis
PCa
cases
that
exhibit
this
molecular
signature,
even
when
they
were
histopathologically
classified
NEPC.
dual
classifier
capability
makes
robust
tool
personalized
medicine,
providing
valuable
resource
predicting
disease
guiding
treatment
strategies
in
management.
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(21), P. 11356 - 11356
Published: Oct. 22, 2024
Prostate
cancer
(PCa)
poses
a
significant
global
health
challenge,
particularly
due
to
its
progression
into
aggressive
forms
like
neuroendocrine
prostate
(NEPC).
This
study
developed
and
validated
stemness-associated
gene
signature
using
advanced
machine
learning
techniques,
including
Random
Forest
Lasso
regression,
applied
large-scale
transcriptomic
datasets.
The
resulting
seven-gene
(KMT5C,
DPP4,
TYMS,
CDC25B,
IRF5,
MEN1,
DNMT3B)
was
across
independent
cohorts
patient-derived
xenograft
(PDX)
models.
demonstrated
strong
prognostic
value
for
progression-free,
disease-free,
relapse-free,
metastasis-free,
overall
survival.
Importantly,
the
not
only
identified
specific
NEPC
subtypes,
such
as
large-cell
carcinoma,
which
is
associated
with
very
poor
outcomes,
but
also
predicted
prognosis
PCa
cases
that
exhibit
this
molecular
signature,
even
when
they
were
histopathologically
classified
NEPC.
dual
classifier
capability
makes
robust
tool
personalized
medicine,
providing
valuable
resource
predicting
disease
guiding
treatment
strategies
in
management.
Annals of Medicine,
Journal Year:
2024,
Volume and Issue:
57(1)
Published: Dec. 23, 2024
Background
Increasing
evidence
indicates
that
cancer
stem
cells
(CSCs)
and
stem-like
form
a
special
subpopulation
of
are
ubiquitous
in
tumors.
These
exhibit
similar
characteristics
to
those
normal
tissues;
moreover,
they
capable
self-renewal
differentiation,
as
well
high
tumorigenicity
drug
resistance.
In
prostate
(PCa),
it
is
difficult
kill
these
using
androgen
signaling
inhibitors
chemotherapy
drugs.
Consequently,
the
residual
(PCSCs)
mediate
tumor
recurrence
progression.
Cells,
Journal Year:
2024,
Volume and Issue:
13(11), P. 962 - 962
Published: June 3, 2024
Special
AT-rich
sequence
binding
protein-2
(SATB2)
is
a
nuclear
matrix
protein
that
binds
to
attachment
regions
and
involved
in
chromatin
remodeling
transcription
regulation.
In
stem
cells,
it
regulates
the
expression
of
genes
required
for
maintaining
pluripotency
self-renewal
epithelial–mesenchymal
transition
(EMT).
this
study,
we
examined
oncogenic
role
SATB2
prostate
cancer
assessed
whether
overexpression
human
normal
epithelial
cells
(PrECs)
induces
properties
(CSCs).
The
results
demonstrate
highly
expressed
cell
lines
CSCs,
but
not
PrECs.
Overexpression
PrECs
cellular
transformation
which
was
evident
by
formation
colonies
soft
agar
spheroids
suspension.
also
resulted
induction
markers
(CD44
CD133),
pluripotency-maintaining
factors
(cMYC,
OCT4,
SOX2,
KLF4,
NANOG),
CADHERIN
switch,
EMT-related
factors.
Chromatin
immunoprecipitation
assay
demonstrated
can
directly
bind
promoters
BCL-2,
BSP,
NANOG,
MYC,
XIAP,
HOXA2,
suggesting
capable
regulating
pluripotency/self-renewal,
survival,
proliferation.
Since
CSCs
play
crucial
initiation,
progression,
metastasis,
effects
knockdown
on
stemness.
inhibited
spheroid
formation,
viability,
colony
motility,
migration,
invasion
compared
their
scrambled
control
groups.
upregulated
E-CADHERIN
N-CADHERIN,
SNAIL,
SLUG,
ZEB1.
significantly
higher
adenocarcinoma
tissues.
Overall,
our
data
suggest
acts
as
an
factor
where
inducing
malignant
changes
CSC
characteristics.
medRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 25, 2024
ABSTRACT
Prostate
cancer
(PCa)
poses
a
significant
global
health
challenge,
particularly
due
to
its
progression
into
aggressive
forms
like
neuroendocrine
prostate
(NEPC).
This
study
developed
and
validated
stemness-associated
gene
signature
using
advanced
machine
learning
techniques,
including
Random
Forest
Lasso
regression,
applied
large-scale
transcriptomic
datasets.
The
resulting
7-gene
(
KMT5C,
MEN1,
TYMS,
IRF5,
DNMT3B,
CDC25B
DPP4
)
was
across
independent
cohorts
patient-derived
xenograft
(PDX)
models.
demonstrated
strong
prognostic
value
for
progression-free,
disease-free,
relapse-free,
metastasis-free,
overall
survival.
Importantly,
the
not
only
identified
specific
NEPC
subtypes,
such
as
large-cell
carcinoma,
which
is
associated
with
very
poor
outcomes,
but
also
predicted
prognosis
PCa
cases
that
exhibit
this
molecular
signature,
even
when
they
were
histopathologically
classified
NEPC.
dual
classifier
capability
makes
robust
tool
personalized
medicine,
providing
valuable
resource
predicting
disease
guiding
treatment
strategies
in
management.