Research Square (Research Square),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Oct. 9, 2023
Abstract
The
presence
of
cancer
stem
cells
(CSCs)
in
the
tumor
microenvironment
(TME)
is
majorly
responsible
for
development
and
recurrence
cancer.
Earlier
reports
suggested
that
upon
DNA
damage,
Poly-(ADP-ribose)
Polymerase-1
(PARP-1)
helps
chromatin
modulation
repair
process,
thereby
promoting
CSC
survival.
But
whether
a
combination
damaging
agents
along
with
PARP
inhibitors
can
modulate
assembly,
inhibit
processes,
subsequently
target
CSCs
not
known.
Hence,
we
have
investigated
effect
nontoxic
bioactive
compound
quinacrine
(QC)
potent
inhibitor
Talazoparib
patient-derived
oral
mucosa
(OM-CSCs)
vivo
xenograft
mice
preclinical
model
systems.
Data
showed
QC
+
inhibited
PARP-1-mediated
remodelers’
recruitment
deregulated
HAT
activity
GCN5
(general
control
nonderepressible-5)
P300
at
damage
site,
preventing
access
proteins
to
damaged
DNA.
Additionally,
this
treatment
topoisomerase
activity,
induced
topological
stress,
apoptosis
OM-CSCs.
Similar
results
were
observed
an
system.
Collectively,
data
BER
pathway,
genomic
instability
triggered
OM-CSCs
through
deregulation
remodelers
(GCN5
P300)
activity.
International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(9), P. 8401 - 8401
Published: May 7, 2023
Osteosarcoma
is
a
highly
malignant
bone
tumor
derived
from
mesenchymal
cells
that
contains
self-renewing
cancer
stem
(CSCs),
which
are
responsible
for
progression
and
chemotherapy
resistance.
Understanding
the
signaling
pathways
regulate
CSC
self-renewal
survival
crucial
developing
effective
therapies.
The
Notch,
Hedgehog,
Wnt/β-Catenin
developmental
pathways,
essential
differentiation
of
normal
cells,
have
been
identified
as
important
regulators
osteosarcoma
CSCs
also
in
resistance
to
anticancer
Targeting
these
their
interactions
with
embryonic
markers
microenvironment
may
be
promising
therapeutic
strategy
overcome
chemoresistance
improve
prognosis
patients.
This
review
focuses
on
role
regulating
self-renewal,
pluripotency,
chemoresistance,
potential
targets
anti-cancer
We
discuss
relevance
markers,
including
SOX-2,
Oct-4,
NANOG,
KLF4,
association
aforementioned
overcoming
drug
Current Issues in Molecular Biology,
Journal Year:
2024,
Volume and Issue:
46(6), P. 5397 - 5419
Published: May 29, 2024
The
Sonic
Hedgehog
(Shh)
signalling
pathway
plays
a
critical
role
in
normal
development
and
tissue
homeostasis,
guiding
cell
differentiation,
proliferation,
survival.
Aberrant
activation
of
this
pathway,
however,
has
been
implicated
the
pathogenesis
various
cancers,
largely
due
to
its
regulating
cancer
stem
cells
(CSCs).
CSCs
are
subpopulation
with
ability
self-renew,
differentiate,
initiate
tumour
growth,
contributing
significantly
tumorigenesis,
recurrence,
resistance
therapy.
This
review
focuses
on
intricate
activity
Shh
within
context
CSCs,
detailing
molecular
mechanisms
through
which
influences
CSC
properties,
including
self-renewal,
It
further
explores
regulatory
crosstalk
between
other
pathways
highlighting
complexity
network.
Here,
we
delve
into
upstream
regulators
downstream
effectors
that
modulate
CSCs.
aims
cast
specific
focus
provide
detailed
exploration
crosstalk,
discuss
current
developing
inhibitors.
By
summarising
key
findings
insights
gained,
wish
emphasise
importance
elucidating
interplay
develop
more
effective
therapies.
Biomolecules,
Journal Year:
2024,
Volume and Issue:
14(1), P. 87 - 87
Published: Jan. 10, 2024
Prostate
cancer
(PCa)
is
characterised
by
androgen
dependency.
Unfortunately,
under
anti-androgen
treatment
pressure,
castration-resistant
prostate
(CRPC)
emerges,
heterogeneous
cell
populations
that,
over
time,
lead
to
the
development
of
different
androgen-dependent
or
-independent
phenotypes.
Despite
important
advances
in
therapeutic
strategies,
CRPC
remains
incurable.
Context-specific
essential
genes
represent
valuable
candidates
for
targeted
anti-cancer
therapies.
Through
investigation
gene
and
protein
annotations
integration
published
transcriptomic
data,
we
identified
two
consensus
lists
stratify
PCa
patients’
risk
discriminate
phenotypes
based
on
receptor
activity.
ROC
Kaplan–Meier
survival
analyses
were
used
set
validation
independent
datasets.
We
further
evaluated
these
their
association
with
The
deregulated
expression
PCa-related
was
associated
overall
disease-specific
survival,
metastasis
and/or
high
recurrence
risk,
while
CRPC-related
clearly
discriminated
between
adeno
neuroendocrine
Some
showed
context-specific
essentiality.
candidate
drugs
through
a
computational
repositioning
approach
targeting
treating
lethal
variants
PCa.
This
work
provides
proof-of-concept
use
an
integrative
identify
biomarkers
involved
progression
pathogenesis
within
goal
precision
medicine.
Frontiers in Pharmacology,
Journal Year:
2024,
Volume and Issue:
15
Published: Oct. 14, 2024
Introduction
Breast
cancer
continues
to
be
a
major
health
concern
and
is
currently
the
most
commonly
diagnosed
worldwide.
Relapse,
metastasis,
therapy
resistance
are
clinical
issues
that
doctors
need
address.
We
believe
BYL-719,
which
PI3
kinase
p110а
inhibitor,
could
also
inhibit
breast
stem
cell
phenotype
epithelial-to-mesenchymal
transition
(EMT).
In
addition
PI3K/AKT
signaling
pathway,
BYL-719
can
essential
cancer-related
pathways,
all
of
would
ultimately
act
on
microenvironment
cells,
quite
complicated
regulates
characteristics
tumors.
These
include
stemness
malignant
tumors,
plasticity
anti-apoptotic
features.
Materials
methods
A
three-dimensional
(3D)
mammosphere
culture
method
was
used
in
vitro
collect
cells
(BCSCs).
MTT,
clonogenic,
apoptosis
assays
were
detect
viability,
self-renewal,
differentiation
abilities.
sphere
formation
assay
under
3D
conditions
mammophore
inhibition
rate
BYL-719.
The
subpopulation
CD44
+
CD24
−
detected
using
flow
cytometry
analysis
while
EMT
biomarkers
pathways
western
blotting.
All
data
analyzed
GraphPad
Prism
9
software.
Results
BCSC-like
obtained
by
.
confirmed
proliferation
cultures
inhibited.
PI3K/AKT/mTOR
pathway
inhibited
Notch,
JAK-STAT
MAPK/ERK
have
crosstalk
tumor
(TME)
By
comparing
eribulin-resistant
lines,
we
effectively
overcome
drug
resistance.
Summary/conclusion
novel
highly
effective
for
enriching
BCSCs
Furthermore,
acting
various
pathways.
Finally,
targeting
BCSCs.
Conjugation
with
other
anti-neoplastic
agents
may
promising
treatment
this
clinic.
DNA and Cell Biology,
Journal Year:
2023,
Volume and Issue:
42(7), P. 411 - 420
Published: May 25, 2023
The
full
name
of
the
FTO
gene
is
fat
mass
and
obesity-associated
gene.
In
recent
years,
it
has
also
been
found
that
involved
in
m6A
demethylation
regulates
progression
multiple
cancers,
including
gastric
cancer.
cancer
stem
cell
theory
argues
cells
are
key
factors
metastasis,
inhibiting
expression
stemness
genes
a
good
method
to
inhibit
metastasis
Currently,
role
regulating
still
unclear.
By
analyzing
public
databases,
was
discovered
increased
cancer,
high
associated
with
poor
prognosis
patients
After
were
isolated,
protein
cells;
reduced
after
knockdown;
subcutaneous
tumors
nude
mice
smaller
than
those
control
group
enhanced
overexpressed
by
plasmid.
reviewing
additional
literature
experimental
validation,
we
SOX2
may
be
factor
which
promotes
cells.
Therefore,
concluded
could
promote
cells,
targeting
potential
therapeutic
approach
for
metastatic
CTR
number:
TOP-IACUC-2021-0123.
Cell Communication and Signaling,
Journal Year:
2023,
Volume and Issue:
21(1)
Published: Nov. 2, 2023
Abstract
The
mutation
of
MET
plays
a
crucial
role
in
the
initiation
cancer,
while
Hedgehog
(Hh)
pathway
also
significant
cell
differentiation
and
maintenance
tumor
stem
cells.
Conventional
chemotherapy
drugs
are
primarily
designed
to
target
majority
populations
within
tumors
rather
than
Consequently,
after
brief
period
remission,
often
relapse.
Moreover,
exclusive
targeting
stemness
disregards
potential
for
other
cells
regain
acquire
drug
resistance.
As
result,
current
that
solely
HGF/c-MET
axis
Hh
demonstrate
only
moderate
efficacy
specific
types
cancer.
Mounting
evidence
indicates
these
two
pathways
not
play
important
roles
cancer
but
exert
influence
on
development
resistance
single-target
therapies
through
secretion
their
own
ligands.
In
this
comprehensive
review,
we
analyze
compare
impact
microenvironment
(TME)
HGF/c-MET-driven
models,
as
well
interplay
between
different
types.
Additionally,
further
substantiate
necessity
dual-pathway
combination
therapy
critical
addicted
treatment.