Pancreatic
cancer
(PC)
is
featured
with
low
survival
rate
and
poor
outcomes.
Herein,
we
found
that
the
expression
of
caspase-recruitment
domain-containing
protein
9
(CARD9),
predominantly
expressed
in
innate
immune
cells,
was
positively
related
to
prognosis
PC
patients.
CARD9-deficient
mice
exhibited
rapider
progression
poorer
rate.
CARD9
knockout
decreased
dendritic
cell
(DC)
maturation
impaired
DC
ability
activate
T
cells
vivo
vitro.
Adoptive
transfer
confirmed
role
deficiency
relied
on
DCs.
Creatine
identified
as
most
significant
differential
metabolite
between
WT
DCs
CARD9−/−
wherein
it
played
an
essential
maintaining
function.
led
creatine
levels
by
inhibiting
transcription
creatine-specific
transporter,
solute
carrier
family
6
member
8
(SLC6A8).
Furtherly,
deletion
blocked
p65
activation
abolishing
formation
CARD9-BCL10-MALT1
complex,
which
prevented
binding
SLC6A8
promoter.
These
events
transport
into
DCs,
immaturity
impairment
antitumor
immunity,
consequently
promoting
progression.
Expert Opinion on Drug Discovery,
Год журнала:
2023,
Номер
18(4), С. 429 - 444
Опубликована: Март 22, 2023
Introduction
Pancreatic
ductal
adenocarcinoma
presents
with
a
dismal
prognosis.
Personalized
therapy
is
urgently
warranted
to
overcome
the
treatment
limitations
of
'one-size-fits-all'
scheme.
Organoids
have
emerged
as
fundamental
novel
tools
study
tumor
biology
and
heterogeneity,
hence
overcoming
other
model
systems
by
better-reflecting
tissue
heterogeneity
recapitulating
in-vivo
processes.
Besides
their
crucial
role
in
basic
research,
they
evolved
for
translational
drug
discovery
patient
stratification.Areas
covered
This
review
highlights
achievements
an
organoid-based
investigation
discovery.
The
authors
present
overview
studies
using
organoids
testing.
Further,
pinpoint
correlating
vitro
prediction
actual
patient`s
response.
Furthermore,
describe
take
thorough
overlook
microfluidic
chips,
synthetic
matrices,
multicellular
systems,
bioprinting,
stem
cell-derived
pancreatic
organoid
systemsExpert
opinion
Organoid
promise
great
potential
future
clinical
applications.
Indeed,
may
be
implemented
into
informed
decision-making
guiding
therapies.
However,
validation
randomized
trials
mandatory.
Additionally,
combination
cellular
compartments
exploited
studying
niche-tumor
interaction.
Yet,
several
precautions
must
kept
mind,
such
standardization
reproducibility.
Pancreatic
cancer
(PC)
is
featured
with
low
survival
rate
and
poor
outcomes.
Herein,
we
found
that
the
expression
of
caspase-recruitment
domain-containing
protein
9
(CARD9),
predominantly
expressed
in
innate
immune
cells,
was
positively
related
to
prognosis
PC
patients.
CARD9-deficient
mice
exhibited
rapider
progression
poorer
rate.
CARD9
knockout
decreased
dendritic
cell
(DC)
maturation
impaired
DC
ability
activate
T
cells
vivo
vitro.
Adoptive
transfer
confirmed
role
deficiency
relied
on
DCs.
Creatine
identified
as
most
significant
differential
metabolite
between
WT
DCs
CARD9−/−
wherein
it
played
an
essential
maintaining
function.
led
creatine
levels
by
inhibiting
transcription
creatine-specific
transporter,
solute
carrier
family
6
member
8
(SLC6A8).
Furtherly,
deletion
blocked
p65
activation
abolishing
formation
CARD9-BCL10-MALT1
complex,
which
prevented
binding
SLC6A8
promoter.
These
events
transport
into
DCs,
immaturity
impairment
antitumor
immunity,
consequently
promoting
progression.