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.
Frontiers in Immunology,
Journal Year:
2024,
Volume and Issue:
15
Published: Aug. 29, 2024
Background
Cancer
stem
cells
(CSCs)
are
a
subset
of
within
tumors
that
possess
the
unique
ability
to
self-renew
and
give
rise
diverse
tumor
cells.
These
crucial
in
driving
metastasis,
recurrence,
resistance
treatment.
The
objective
this
study
was
pinpoint
essential
regulatory
genes
associated
with
CSCs
prostate
adenocarcinoma
(PRAD)
assess
their
potential
significance
diagnosis,
prognosis,
immunotherapy
patients
PRAD.
Method
utilized
single-cell
analysis
techniques
identify
cell-related
evaluate
relation
patient
prognosis
PRAD
through
cluster
analysis.
By
utilizing
datasets
employing
various
machine
learning
methods
for
clustering,
diagnostic
models
were
developed
validated.
random
forest
algorithm
pinpointed
HSPE1
as
most
prognostic
gene
among
genes.
Furthermore,
delved
into
association
between
immune
infiltration,
employed
molecular
docking
investigate
relationship
its
compounds.
Immunofluorescence
staining
60
tissue
samples
confirmed
expression
correlation
Result
This
identified
15
analysis,
highlighting
importance
diagnosing,
prognosticating,
potentially
treating
patients.
specifically
linked
response
immunotherapy,
experimental
data
supporting
upregulation
poorer
prognosis.
Conclusion
Overall,
our
findings
underscore
significant
role
unveil
novel
target
related
cell.
Cancer Biology and Medicine,
Journal Year:
2023,
Volume and Issue:
unknown, P. 1 - 20
Published: June 5, 2023
Prostate
cancer,
one
of
the
most
frequently
occurring
cancers
in
men,
is
a
heterogeneous
disease
involving
multiple
cell
types
within
tumors.
This
tumor
heterogeneity
at
least
partly
results
from
genomic
instability
leading
to
sub-clonal
cellular
differentiation.
The
differentiated
populations
originate
small
subset
cells
with
tumor-initiating
and
stem-like
properties.
These
cells,
termed
prostate
cancer
stem
(PCSCs),
play
crucial
roles
progression,
drug
resistance,
relapse.
review
discusses
origin,
hierarchy,
plasticity
PCSCs;
methods
for
isolation
enrichment
various
metabolic
signaling
pathways
involved
PCSC
induction
maintenance,
as
well
therapeutic
targeting.
International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(19), P. 14890 - 14890
Published: Oct. 4, 2023
Stem
cells
differentiate
into
mature
organ/tissue-specific
at
a
steady
pace
under
normal
conditions,
but
their
growth
can
be
accelerated
during
the
process
of
tissue
healing
or
in
context
certain
diseases.
It
is
postulated
that
proliferation
and
carcinomas
are
sustained
by
presence
vital
cellular
compartment
resembling
stem
residing
tissues:
'stem-like
cancer
cells'
(CSCs).
Mutations
prostate
lead
to
formation
cancer.
Prostate
CSCs
(PCSCs)
have
been
identified
partially
characterized.
These
express
surface
markers
include
CD44,
CD133,
integrin
α2β1,
pluripotency
factors
like
OCT4,
NANOG,
SOX2.
Several
signaling
pathways
also
over-activated,
including
Notch,
PTEN/Akt/PI3K,
RAS-RAF-MEK-ERK
HH.
Moreover,
PCSCs
appear
induce
resistance
radiotherapy
chemotherapy,
while
has
linked
aggressive
behavior
higher
relapse
rates.
The
development
treatment
policies
target
tumors
appealing
as
through
cell
killing,
trigger
tumor
repopulation
via
activated
cells.
Thus,
blocking
this
reactive
mobilization
may
facilitate
positive
outcome
cytotoxic
treatment.
Cell Death and Disease,
Journal Year:
2025,
Volume and Issue:
16(1)
Published: March 5, 2025
Compared
to
most
tumors
that
are
more
glycolytic,
primary
prostate
cancer
is
less
glycolytic
but
dependent
on
TCA
cycle
coupled
with
OXPHOS
for
its
energy
demand.
This
unique
metabolic
energetic
feature
attributed
activation
of
mitochondrial
m-aconitase
in
caused
by
decreased
cellular
Zn
level.
Evidence
suggests
a
small
subpopulation
cells
within
tumors,
designated
as
stem
(PCSCs),
play
significant
roles
advanced
progression.
However,
their
energetics
status
still
poorly
understood.
Nuclear
receptor
ERRα
(ESRRA)
key
regulator
metabolism.
Previous
studies
characterize
exhibits
an
upregulation
and
can
perform
multiple
oncogenic
functions.
Here,
we
demonstrate
novel
role
the
control
stemness
metabolism
PCSCs
via
mechanism
combined
transrepression
transporter
ZIP1
reducing
intracellular
uptake
transactivation
ACO2
(m-aconitase)
completion
cycle.
Results
also
showed
restoration
accumulation
treatment
ionophore
Clioquinol
could
significantly
suppress
both
vitro
growth
vivo
tumorigenicity,
implicating
enhanced
be
potential
therapeutic
approach
targeting
cancer.
Journal of Biological Chemistry,
Journal Year:
2024,
Volume and Issue:
unknown, P. 107994 - 107994
Published: Nov. 1, 2024
Cancer
stem
cells
(CSCs)
may
be
dedifferentiated
somatic
following
oncogenic
processes,
representing
a
subpopulation
of
able
to
promote
tumor
growth
with
their
capacities
for
proliferation
and
self-renewal,
inducing
lineage
heterogeneity,
which
main
cause
resistance
therapies.
It
has
been
shown
that
the
"less
differentiated
process"
have
an
impact
on
plasticity,
particularly
when
non-CSCs
dedifferentiate
become
CSC-like.
Bidirectional
interconversion
between
CSCs
reported
in
other
solid
tumors,
where
inflammatory
stroma
promotes
cell
reprogramming
by
enhancing
Wnt
signaling
through
NF-κB
activation
association
intracellular
signaling,
induce
cells'
pluripotency,
transformation
can
considered
another
important
aspect
acquisition
"new"
development
programs
features.
During
reprogramming,
mutations
represent
initial
step
towards
dedifferentiation,
tumour
switch
from
partially
or
terminally
stage
less
is
mainly
manifested
re-entry
into
cycle,
cell-like
phenotype
expression
markers.
This
phenomenon
typically
shows
up
as
change
form,
function,
pattern
gene
protein
expression,
more
specifically,
CSCs.
review
would
highlight
epigenetic
alterations,
major
pathways
driver
cancer
cells,
tumors
lung
cancer,
could
involved,
acting
key
elements
differentiation/dedifferentiation
process.
molecular
mechanisms
need
tailored
Translational Oncology,
Journal Year:
2023,
Volume and Issue:
35, P. 101733 - 101733
Published: July 6, 2023
Breast
cancer
progression
and
metastasis
are
governed
by
a
complex
interplay
within
the
tumor
immune
microenvironment
(TIME),
involving
numerous
cell
types.
Lymph
node
(LNM)
is
key
prognostic
marker
associated
with
distant
organ
reduced
patient
survival,
but
mechanisms
underlying
its
promotion
breast
stem
cells
(CSCs)
remain
unclear.
Our
study
sought
to
unravel
how
CSCs
reprogram
TIME
facilitate
LNM.
Utilizing
single-cell
RNA
sequencing,
we
profiled
in
primary
corresponding
metastatic
lymph
samples
from
patients
at
our
institution.
To
verify
derived
data,
cultured
performed
validation
assays
employing
flow
cytometry
CyTOF.
analysis
revealed
distinct
differences
cellular
infiltration
patterns
between
LNM
samples.
Importantly,
RAC2
PTTG1
double-positive
CSCs,
which
exhibit
highest
stem-like
attributes,
were
markedly
enriched
nodes.
These
hypothesized
foster
via
activation
of
specific
metastasis-related
transcription
factors
signaling
pathways.
Additionally,
data
suggest
that
might
modulate
adaptive
innate
evolution,
thereby
further
contributing
metastasis.
In
summary,
this
illuminates
critical
role
modifying
The
enrichment
highly
nodes
offers
novel
therapeutic
targeting
opportunities
deepens
understanding
Molecules,
Journal Year:
2023,
Volume and Issue:
28(23), P. 7776 - 7776
Published: Nov. 25, 2023
This
study
explored
the
role
of
lymphocyte
antigen
6
family
member
D
(LY6D)
in
colon
cancer
stem
cells’
(CCSCs)
proliferation
and
invasion.
LY6D
was
knocked
down
using
siRNA,
down-regulation
verified
Western
blotting.
After
knockdown,
CCSCs’
proliferation,
stemness,
invasion
were
suppressed,
whereas
apoptosis
increased.
Gene
Ontology
(GO)
enrichment
analysis
revealed
that
differentially
expressed
genes
(DEGs)
between
siLY6D
negative
control
groups
significantly
enriched
cell–substrate
adherens
junction,
focal
adhesion,
junction
terms.
Meanwhile,
Kyoto
Encyclopedia
Genes
Genomes
(KEGG)
DEGs
MAPK
pathway.
In
addition,
blotting
results
showed
pBRAF
pERK1/2,
cascade
kinases
pathway,
down-regulated
after
knockdown.
nude
mice
xenograft
experiments
treatment
decreased
tumor
sizes
weights
improved
tumor-bearing
survival
rates
compared
with
group.
conclusion,
these
findings
indicate
LY6D,
which
is
highly
CCSCs,
a
key
factor
involved
growth
development
might
be
potential
marker
therapeutic
target
for
cancer.
Frontiers in Cell and Developmental Biology,
Journal Year:
2024,
Volume and Issue:
12
Published: Aug. 8, 2024
Prostate
cancer
(PCa)
is
the
most
common
malignancy
among
men
worldwide.
Through
androgen
receptor
signaling
inhibitor
(ARSI)
treatment,
patients
eventually
succumb
to
castration-resistant
prostate
(CRPC).
For
this,
stem
cells
(PCSCs),
as
a
minor
population
of
tumor
that
can
promote
relapse,
ARSI
resistance,
and
disease
progression,
are
gaining
attention.
Therefore,
specific
therapy
targeting
PCSCs
has
momentum.
This
study
reviewed
identification
characterization
PCSC-based
putative
biomarkers
summarized
their
mechanisms
action.
We
further
discussed
clinical
trials
novel
therapeutic
interventions
focused
on
PCSC-related
pathways,
PCSC
microenvironment,
cutting-edge
miRNA
therapy,
immunotherapy
approaches
from
mechanistic
standpoint.
review
provides
updated
insights
into
plasticity,
identifying
new
optimized
treatments
for
with
advanced
PCa.