Clinical Cancer Research,
Journal Year:
2023,
Volume and Issue:
29(6), P. 1137 - 1154
Published: Jan. 6, 2023
The
identification
of
pancreatic
ductal
adenocarcinoma
(PDAC)
dysregulated
genes
may
unveil
novel
molecular
targets
entering
inhibitory
strategies.
Laminins
are
emerging
as
potential
in
PDAC
given
their
role
diagnostic
and
prognostic
markers.
Here,
we
investigated
the
cellular,
functional,
clinical
relevance
LAMC2
its
regulated
network,
with
ultimate
goal
identifying
therapies.LAMC2
expression
was
analyzed
tissues,
a
panel
human
mouse
cell
lines,
genetically
engineered
model.
Genetic
perturbation
2D,
3D,
vivo
allograft
xenograft
models
done.
Expression
profiling
network
performed
by
RNA-sequencing,
publicly
available
gene
datasets
from
experimental
studies
examined
to
query
relevance.
Dual
inhibition
pharmacologically
targetable
LAMC2-regulated
effectors
investigated.LAMC2
consistently
upregulated
well
specimens,
associated
tumor
grade
survival.
impaired
cycle,
induced
apoptosis,
sensitized
MEK1/2
inhibitors
(MEK1/2i).
A
featured
PDAC,
including
both
classical
quasi-mesenchymal
subtypes,
contained
downstream
transcriptionally
shared
KRAS
signaling
pathway.
functional
FOSL1-AXL
axis
via
AKT
phosphorylation.
Furthermore,
genetic
or
pharmacological
AXL
elicited
synergistic
antiproliferative
effect
combination
MEK1/2is
that
consistent
across
2D
3D
models,
primary
patient-derived
organoids.LAMC2
is
target
regulates
transcriptional
unveils
dual
drug
for
cancer
treatment.
Cell,
Journal Year:
2023,
Volume and Issue:
186(8), P. 1729 - 1754
Published: April 1, 2023
Pancreatic
ductal
adenocarcinoma
(PDAC)
remains
one
of
the
deadliest
cancers.
Significant
efforts
have
largely
defined
major
genetic
factors
driving
PDAC
pathogenesis
and
progression.
tumors
are
characterized
by
a
complex
microenvironment
that
orchestrates
metabolic
alterations
supports
milieu
interactions
among
various
cell
types
within
this
niche.
In
review,
we
highlight
foundational
studies
driven
our
understanding
these
processes.
We
further
discuss
recent
technological
advances
continue
to
expand
complexity.
posit
clinical
translation
research
endeavors
will
enhance
currently
dismal
survival
rate
recalcitrant
disease.
Frontiers in Oncology,
Journal Year:
2020,
Volume and Issue:
10
Published: Oct. 26, 2020
Metabolism
Rewiring
is
a
hallmark
of
cancer.
As
one
the
most
abundant
free
amino
acids
in
human
blood,
glutamine
supports
bioenergetics
and
biosynthesis,
tumor
growth,
production
antioxidants
through
glutaminolysis
In
dependent
cancer
cells,
more
than
half
TCA
metabolites
are
derived
from
glutamine.
Glutaminolysis
controls
process
converting
into
cycle
regulation
multiple
enzymes,
while
glutaminase
shows
importance
as
very
first
step
this
process.
Targeting
inhibition
emerges
promising
strategy
to
disrupt
metabolism
progression.
Here,
we
review
role
metastasis.
Furthermore,
highlight
inhibitor
based
metabolic
therapy
their
applications
clinical
set
up.
International Journal of Molecular Sciences,
Journal Year:
2022,
Volume and Issue:
23(2), P. 800 - 800
Published: Jan. 12, 2022
The
transition
between
epithelial
and
mesenchymal
phenotype
is
emerging
as
a
key
determinant
of
tumor
cell
invasion
metastasis.
It
plastic
process
in
which
cells
first
acquire
the
ability
to
invade
extracellular
matrix
migrate
into
bloodstream
via
transdifferentiation
cells,
phenomenon
known
epithelial–mesenchymal
(EMT),
then
reacquire
phenotype,
reverse
called
mesenchymal–epithelial
(MET),
colonize
new
organ.
During
all
metastatic
stages,
metabolic
changes,
give
cancer
adapt
increased
energy
demand
withstand
hostile
environment,
are
also
important
determinants
successful
progression.
In
this
review,
we
describe
complex
interaction
EMT
metabolism
during
First,
outline
main
connections
two
processes,
with
particular
emphasis
on
role
stem
LncRNAs.
Then,
focus
some
specific
cancers,
such
breast,
lung,
thyroid
cancer.
Journal of Experimental & Clinical Cancer Research,
Journal Year:
2022,
Volume and Issue:
41(1)
Published: Jan. 3, 2022
Lymph
node
metastasis
is
the
main
cause
of
poor
prognosis
head
and
neck
squamous
carcinoma
(HNSCC)
patients.
N6-methyladenosine
(m6A)
RNA
modification
an
emerging
epigenetic
regulatory
mechanism
for
gene
expression,
as
a
novel
m6A
reader
protein,
IGF2BP2
has
been
implicated
in
tumor
progression
metastasis.
However,
not
much
currently
known
about
functional
roles
HNSCC,
whether
regulates
lymphatic
through
HNSCC
remains
to
be
determined.The
expression
overall
survival
(OS)
probability
m6A-related
regulators
were
analyzed
with
The
Cancer
Genome
Atlas
(TCGA)
dataset
GEPIA
website
tool,
respectively.
levels
measured
tissues
normal
adjacent
tissues.
To
study
effects
on
cell
vitro
vivo,
gain-
loss-
function
methods
employed.
RIP,
MeRIP,
luciferase
reporter
mRNA
stability
assays
performed
explore
HNSCC.We
investigated
20
discovered
that
only
overexpression
was
associated
OS
independent
prognostic
factor
Additionally,
we
demonstrated
overexpressed
tissues,
significantly
correlated
prognosis.
Functional
studies
have
shown
promotes
both
migration
well
invasion
via
epithelial-mesenchymal
transition
(EMT)
process
vitro,
knockdown
inhibited
lymphangiogenesis
vivo.
Mechanistic
investigations
revealed
Slug,
key
EMT-related
transcriptional
factor,
direct
target
IGF2BP2,
essential
IGF2BP2-regulated
EMT
HNSCC.
Furthermore,
recognizes
binds
site
coding
sequence
(CDS)
region
Slug
its
stability.Collectively,
our
uncovers
oncogenic
role
potential
which
serves
reader,
controlling
suggesting
may
act
therapeutic
biomarker
patients
Nature Cancer,
Journal Year:
2023,
Volume and Issue:
5(1), P. 85 - 99
Published: Oct. 9, 2023
Abstract
Pancreatic
ductal
adenocarcinoma
(PDAC)
cells
use
glutamine
(Gln)
to
support
proliferation
and
redox
balance.
Early
attempts
inhibit
Gln
metabolism
using
glutaminase
inhibitors
resulted
in
rapid
metabolic
reprogramming
therapeutic
resistance.
Here,
we
demonstrated
that
treating
PDAC
with
a
antagonist,
6-diazo-5-oxo-
l
-norleucine
(DON),
led
crisis
vitro.
In
addition,
observed
profound
decrease
tumor
growth
several
vivo
models
sirpiglenastat
(DRP-104),
pro-drug
version
of
DON
was
designed
circumvent
DON-associated
toxicity.
We
found
extracellular
signal-regulated
kinase
(ERK)
signaling
is
increased
as
compensatory
mechanism.
Combinatorial
treatment
DRP-104
trametinib
significant
increase
survival
syngeneic
model
PDAC.
These
proof-of-concept
studies
suggested
broadly
targeting
could
provide
avenue
for
The
combination
an
ERK
pathway
inhibitor
further
improve
the
outcome.
PLoS Biology,
Journal Year:
2024,
Volume and Issue:
22(1), P. e3002406 - e3002406
Published: Jan. 16, 2024
Breast
tumours
are
embedded
in
a
collagen
I-rich
extracellular
matrix
(ECM)
network,
where
nutrients
scarce
due
to
limited
blood
flow
and
elevated
tumour
growth.
Metabolic
adaptation
is
required
for
cancer
cells
endure
these
conditions.
Here,
we
demonstrated
that
the
presence
of
ECM
supported
growth
invasive
breast
cells,
but
not
non-transformed
mammary
epithelial
under
amino
acid
starvation,
through
mechanism
macropinocytosis-dependent
uptake.
Importantly,
showed
this
behaviour
was
acquired
during
carcinoma
progression.
internalisation,
followed
by
lysosomal
degradation,
contributed
up-regulation
intracellular
levels
several
acids,
most
notably
tyrosine
phenylalanine.
This
resulted
catabolism
on
leading
increased
fumarate
levels,
potentially
feeding
into
tricarboxylic
(TCA)
cycle.
Interestingly,
pathway
ECM-dependent
cell
migration
as
knockdown
p-hydroxyphenylpyruvate
hydroxylase-like
protein
(HPDL),
third
enzyme
pathway,
opposed
motility
both
2D
3D
systems,
without
affecting
proliferation
plastic.
Finally,
high
HPDL
expression
correlated
with
poor
prognosis
patients.
Collectively,
our
results
highlight
microenvironment
(TME)
represents
an
alternative
source
support
regulating
phenylalanine
metabolism.