Proceedings of the National Academy of Sciences,
Journal Year:
2020,
Volume and Issue:
117(41), P. 25560 - 25570
Published: Sept. 28, 2020
Significance
Deregulated
global
mRNA
translation
is
a
feature
of
various
cancers
and
considered
important
in
oncogenic
transformation.
In
colorectal
cancer
(CRC),
the
role
most
common
driver
mutations
APC
,
KRAS
SMAD4
TP53
on
translational
capacity
are
incompletely
understood.
Here,
using
mouse
human
intestinal
organoids,
we
found
that
each
mutation
governs
epithelial
cell.
Global
linked
to
known
hallmarks,
including
cell
proliferation
growth
upon
accumulation
these
mutations,
posing
apparatus
as
potential
therapeutic
target
CRC.
Nature Communications,
Journal Year:
2020,
Volume and Issue:
11(1)
Published: March 20, 2020
Abstract
Most
human
cancers
are
aneuploid,
due
to
a
chromosomal
instability
(CIN)
phenotype.
Despite
being
hallmarks
of
cancer,
however,
the
roles
CIN
and
aneuploidy
in
tumor
formation
have
not
unequivocally
emerged
from
animal
studies
thus
still
unclear.
Using
conditional
mouse
model
for
diverse
degrees
CIN,
we
find
that
particular
range
is
sufficient
drive
very
early
onset
spontaneous
adenoma
intestine.
In
mice
predisposed
intestinal
cancer
(
Apc
Min/+
),
moderate
causes
remarkable
increase
burden
entire
tract
especially
distal
colon,
which
resembles
disease.
Strikingly,
higher
level
promotes
colon
even
more
than
does,
but
has
no
effect
small
Our
results
show
can
be
potently
oncogenic,
certain
levels
contrasting
effects
distinct
tissues.
Nature Communications,
Journal Year:
2019,
Volume and Issue:
10(1)
Published: May 24, 2019
Metastasis
underlies
the
majority
of
cancer-related
deaths
yet
remains
poorly
understood
due,
in
part,
to
lack
models
vivo.
Here
we
show
that
expression
EMT
master
inducer
Snail
primary
adult
Drosophila
intestinal
tumors
leads
dissemination
tumor
cells
and
formation
macrometastases.
drives
an
cells,
which,
although
retaining
some
epithelial
markers,
subsequently
break
through
basal
lamina
midgut,
undergo
a
collective
migration
seed
polyclonal
metastases.
While
metastases
re-epithelialize
over
time,
found
early
are
remarkably
mesenchymal,
discarding
requirement
for
mesenchymal-to-epithelial
transition
stages
metastatic
growth.
Our
results
demonstrate
flies,
identify
key
role
partial-EMTs
driving
it.
This
model
opens
door
investigate
basic
mechanisms
underlying
metastasis,
powerful
vivo
system
suited
rapid
genetic
drug
screens.
The Journal of Experimental Medicine,
Journal Year:
2020,
Volume and Issue:
217(10)
Published: Aug. 4, 2020
Recently,
a
transcriptome-based
consensus
molecular
subtype
(CMS)
classification
of
colorectal
cancer
(CRC)
has
been
established,
which
may
ultimately
help
to
individualize
CRC
therapy.
However,
the
lack
animal
models
that
faithfully
recapitulate
different
subtypes
impedes
adequate
preclinical
testing
stratified
therapeutic
concepts.
Here,
we
demonstrate
constitutive
AKT
activation
in
intestinal
epithelial
cells
markedly
enhances
tumor
invasion
and
metastasis
Trp53ΔIEC
mice
(Trp53ΔIECAktE17K)
upon
challenge
with
carcinogen
azoxymethane.
Gene-expression
profiling
indicates
Trp53ΔIECAktE17K
tumors
resemble
human
mesenchymal
(CMS4),
is
characterized
by
poorest
survival
rate
among
four
CMSs.
are
Notch3
up-regulation,
treatment
NOTCH3-inhibiting
antibody
reduces
metastasis.
In
patients,
NOTCH3
expression
correlates
positively
grading
presence
lymph
node
as
well
distant
metastases
specifically
up-regulated
CMS4
tumors.
Therefore,
suggest
putative
target
for
advanced
patients.
Current Opinion in Genetics & Development,
Journal Year:
2021,
Volume and Issue:
66, P. 50 - 56
Published: Jan. 9, 2021
Modelling
human
colon
cancer
has
long
been
the
ambition
of
researchers
and
oncologists
with
aim
to
better
replicate
disease
progression
treatment
response.
Advances
in
our
understanding
genetics,
stem
cell
biology,
tumour
microenvironment
immunology
have
prepared
groundwork
for
recent
major
advances.
In
last
two
years
field
seen
of:
using
patient
derived
organoids
(alone
co-culture)
as
predictors
response;
molecular
stratification
tumours
that
predict
outcome
mouse
models
metastatic
disease;
transplant
can
be
used
de-risk
clinical
trials.
We
will
discuss
these
advances
this
review.
Science Immunology,
Journal Year:
2022,
Volume and Issue:
7(72)
Published: June 3, 2022
Interleukin-25
(IL-25)
and
group
2
innate
lymphoid
cells
(ILC2s)
defend
the
host
against
intestinal
helminth
infection
are
associated
with
inappropriate
allergic
reactions.
IL-33–activated
ILC2s
were
previously
found
to
augment
protective
tissue-specific
pancreatic
cancer
immunity.
Here,
we
showed
that
IL-25–activated
created
an
cancer-permissive
microenvironment.
Colorectal
(CRC)
patients
higher
tumor
IL25
expression
had
reduced
survival
increased
IL-25R–expressing
tumor-resident
myeloid-derived
suppressor
(MDSCs)
impaired
antitumor
responses.
Ablation
of
IL-25
signaling
tumors,
virtually
doubling
life
expectancy
in
Apc
mutation–driven
model
spontaneous
tumorigenesis.
Mechanistically,
promoted
intratumoral
ILC2s,
which
sustained
tumor-infiltrating
MDSCs
suppress
Therapeutic
antibody-mediated
blockade
decreased
MDSCs,
adenoma/adenocarcinoma
while
increasing
adaptive
T
cell
interferon-γ
(IFN-γ)–mediated
Thus,
roles
epithelium-derived
cytokines
IL-33
as
well
cannot
be
generalized.
The
protumoral
nature
IL-25–ILC2
axis
CRC
highlights
this
pathway
a
potential
therapeutic
target
CRC.
Frontiers in Genetics,
Journal Year:
2022,
Volume and Issue:
13
Published: Aug. 8, 2022
Cancer
is
a
complex
disease
whereby
multiple
genetic
aberrations,
epigenetic
modifications,
metabolic
reprogramming,
and
the
microenvironment
contribute
to
development
of
tumor.
In
traditional
anticancer
drug
discovery
pipeline,
candidates
are
usually
screened
in
vitro
using
two-dimensional
or
three-dimensional
cell
culture.
However,
these
methods
fail
accurately
mimic
human
state.
This
has
led
poor
success
rate
drugs
preclinical
stages
since
many
abandoned
due
inefficacy
toxicity
when
transitioned
whole-organism
models.
The
common
fruit
fly,
Drosophila
melanogaster
,
emerged
as
beneficial
system
for
modeling
cancers.
Decades
fundamental
research
have
shown
evolutionary
conservation
key
genes
signaling
pathways
between
flies
humans.
Moreover,
lower
redundancy
comparison
mammals.
These
factors,
addition
advancement
toolkits
manipulating
gene
expression,
allow
generation
genotypes
phenotypes.
Numerous
studies
successfully
created
models
colorectal,
lung,
thyroid,
brain
were
utilized
high-throughput
screening
FDA-approved
which
identification
several
compounds
capable
reducing
proliferation
rescuing
More
noteworthy,
also
unlocked
potential
personalized
therapies.
‘avatars’
presenting
same
mutations
patient
used
screen
therapeutic
agents
targeting
find
most
appropriate
combination
drugs.
outcomes
translated
significant
responses
patients
with
adenoid
cystic
carcinoma
metastatic
colorectal
Despite
not
being
widely
utilized,
concept
vivo
making
contributions
current
pipeline.
this
review,
we
discuss
application
platform
discovery;
special
focus
on
cancer
that
been
generated,
libraries
status
addition,
elaborate
biological
technical
limitations
system.
Advanced Science,
Journal Year:
2023,
Volume and Issue:
10(35)
Published: Oct. 24, 2023
The
forkhead
box
transcription
factor
A2
(FOXA2)
is
a
and
plays
key
role
in
embryonic
development,
metabolism
homeostasis
tumor
cell
proliferation;
however,
its
regulatory
potential
CRC
not
fully
understood.
Here,
it
found
that
FOXA2
expression
markedly
up-regulated
samples
of
patients
as
compared
with
the
normal
tissues,
which
closely
associated
worse
survival
CRC.
Notably,
positive
correlation
between
nuclear
erythroid
2-related
2
(Nrf2)/glutathione
peroxidase
4
(GPX4)
gene
observed
patients.
Mechanistically,
depletion
weakens
activation
Nrf2
pathway
decreases
GPX4
level
cells,
thereby
leading
to
ferroptosis,
further
supported
by
bioinformatic
analysis.
More
intriguingly,
E3
ubiquitin
ligase
tripartite
motif
containing
36
(TRIM36)
identified
suppressor
FOXA2,
TRIM36
can
directly
interact
induce
K48-linked
polyubiquitination,
resulting
protein
degradation
vitro.
Taken
together,
all
studies
demonstrate
mediated
promotes
progression
inhibiting
Nrf2/GPX4
ferroptosis
signaling
pathway,
thus
providing
new
therapeutic
target
for
treatment.
Nature Metabolism,
Journal Year:
2023,
Volume and Issue:
5(8), P. 1303 - 1318
Published: Aug. 14, 2023
The
genomic
landscape
of
colorectal
cancer
(CRC)
is
shaped
by
inactivating
mutations
in
tumour
suppressors
such
as
APC,
and
oncogenic
mutant
KRAS.
Here
we
used
genetically
engineered
mouse
models,
multimodal
mass
spectrometry-based
metabolomics
to
study
the
impact
common
genetic
drivers
CRC
on
metabolic
intestine.
We
show
that
untargeted
profiling
can
be
applied
stratify
intestinal
tissues
according
underlying
alterations,
use
spectrometry
imaging
identify
tumour,
stromal
normal
adjacent
tissues.
By
identifying
ions
drive
variation
between
transformed
tissues,
found
dysregulation
methionine
cycle
a
hallmark
APC-deficient
CRC.
Loss
Apc
intestine
was
sufficient
expression
one
its
enzymes,
adenosylhomocysteinase
(AHCY),
which
also
transcriptionally
upregulated
human
Targeting
AHCY
function
impaired
growth
organoids
vitro,
prevented
characteristic
hyperproliferative/crypt
progenitor
phenotype
driven
acute
deletion
vivo,
even
context
Kras.
Finally,
pharmacological
inhibition
reduced
burden