Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: Jan. 4, 2024
Abstract
Induction
of
tumor
vascular
normalization
is
a
crucial
measure
to
enhance
immunotherapy
efficacy.
cGAS-STING
pathway
vital
for
anti-tumor
immunity,
but
its
role
in
vasculature
unclear.
Herein,
using
preclinical
liver
cancer
models
Cgas
/
Sting
-deficient
male
mice,
we
report
that
the
interdependence
between
cGAS
and
host
STING
mediates
immune
response.
Mechanistically,
TET2
mediated
IL-2/STAT5A
signaling
epigenetically
upregulates
expression
produces
cGAMP.
Subsequently,
cGAMP
transported
via
LRRC8C
channels
activate
endothelial
cells,
enhancing
recruitment
transendothelial
migration
lymphocytes.
In
vivo
studies
mice
also
reveal
administration
vitamin
C,
promising
anti-cancer
agent,
stimulates
activity,
induces
enhances
efficacy
anti-PD-L1
therapy
alone
or
combination
with
IL-2.
Our
findings
elucidate
crosstalk
cells
microenvironment,
providing
strategies
combinational
cancer.
Cell Research,
Journal Year:
2020,
Volume and Issue:
30(8), P. 639 - 648
Published: June 15, 2020
The
discovery
of
cancer
immune
surveillance
and
immunotherapy
has
opened
up
a
new
era
treatment.
Immunotherapies
modulate
patient's
system
to
specifically
eliminate
cells;
thus,
it
is
considered
very
different
approach
from
classic
therapies
that
usually
induce
DNA
damage
cause
cell
death
in
cell-intrinsic
manner.
However,
recent
studies
have
revealed
such
as
radiotherapy
chemotherapy
also
elicit
antitumor
immunity,
which
plays
an
essential
role
their
therapeutic
efficacy.
cytosolic
sensor
cyclic
GMP-AMP
synthase
(cGAS)
the
downstream
effector
Stimulator
Interferon
Genes
(STING)
been
determined
be
critical
for
this
interplay.
Here,
we
review
roles
cGAS-STING
pathway
during
tumorigenesis,
surveillance,
therapies.
We
highlight
responses
through
cGAS
activation.
Advanced Drug Delivery Reviews,
Journal Year:
2021,
Volume and Issue:
179, P. 114020 - 114020
Published: Oct. 29, 2021
Adjuvant
is
an
essential
component
in
subunit
vaccines.
Many
agonists
of
pathogen
recognition
receptors
have
been
developed
as
potent
adjuvants
to
optimize
the
immunogenicity
and
efficacy
Recently
discovered
cyclic
GMP-AMP
synthase-stimulator
interferon
genes
(cGAS-STING)
pathway
has
attracted
much
attention
it
a
key
mediator
for
modulating
immune
responses.
Vaccines
adjuvanted
with
STING
are
found
mediate
robust
defense
against
infections
cancer.
In
this
review,
we
first
discuss
mechanisms
context
vaccination.
Next,
present
recent
progress
novel
agonist
discovery
delivery
strategies.
We
next
highlight
work
optimizing
while
minimizing
toxicity
agonist-assisted
vaccines
protection
infectious
diseases
or
treatment
Finally,
share
our
perspectives
current
issues
future
directions
further
developing
adjuvanting
Frontiers in Immunology,
Journal Year:
2022,
Volume and Issue:
12
Published: Jan. 13, 2022
Cyclic
guanosine
monophosphate
(GMP)-adenosine
(AMP)
(cGAMP)
synthase
(cGAS),
along
with
the
adaptor
stimulator
of
interferon
genes
(STING),
are
crucial
components
innate
immune
system,
and
their
study
has
become
a
research
hotspot
in
recent
years.
Many
biochemical
structural
studies
that
have
collectively
elucidated
mechanism
activation
cGAS-STING
pathway
atomic
resolution
provided
insights
into
roles
immunity
clues
to
origin
evolution
modern
signaling
pathway.
The
been
identified
protect
host
against
viral
infection.
After
detecting
dsDNA,
cGAS
synthesizes
second
messenger
activate
STING,
eliciting
antiviral
responses
by
promoting
expression
interferons
(IFNs)
hundreds
IFN-stimulated
(ISGs).
Recently,
also
found
be
involved
response
bacterial
infections,
including
pneumonia,
melioidosis,
tuberculosis,
sepsis.
However,
compared
its
functions
infection,
infection
is
more
complex
diverse
since
protective
detrimental
effects
type
I
IFN
(IFN-I)
on
depend
species
mode.
Besides,
STING
can
affect
prognosis
through
other
mechanisms
different
independent
IFN-I
response.
Interestingly,
core
protein
mammalian
defense
suggesting
this
widespread
may
originated
bacteria.
Here,
we
review
findings
related
structures
major
molecules
various
infections
immunity,
which
pave
way
for
development
new
antibacterial
drugs
specifically
kill
bacteria
without
harmful
host.
Signal Transduction and Targeted Therapy,
Journal Year:
2022,
Volume and Issue:
7(1)
Published: Dec. 23, 2022
Since
the
discovery
of
Stimulator
Interferon
Genes
(STING)
as
an
important
pivot
for
cytosolic
DNA
sensation
and
interferon
(IFN)
induction,
intensive
efforts
have
been
endeavored
to
clarify
molecular
mechanism
its
activation,
physiological
function
a
ubiquitously
expressed
protein,
explore
potential
therapeutic
target
in
wide
range
immune-related
diseases.
With
orthodox
ligand
2'3'-cyclic
GMP-AMP
(2'3'-cGAMP)
upstream
sensor
2'3'-cGAMP
synthase
(cGAS)
be
found,
STING
acquires
central
functionality
best-studied
signaling
cascade,
namely
cGAS-STING-IFN
pathway.
However,
recently
updated
research
through
structural
research,
genetic
screening,
biochemical
assay
greatly
extends
current
knowledge
biology.
A
second
pocket
was
discovered
transmembrane
domain
synthetic
agonist.
On
downstream
outputs,
accumulating
studies
sketch
primordial
multifaceted
roles
beyond
cytokine-inducing
function,
such
autophagy,
cell
death,
metabolic
modulation,
endoplasmic
reticulum
(ER)
stress,
RNA
virus
restriction.
Furthermore,
with
expansion
interactome,
details
trafficking
also
get
clearer.
After
retrospecting
brief
history
viral
interference
milestone
events
since
STING,
we
present
vivid
panorama
biology
taking
into
account
information,
especially
versatile
outputs
functions
IFN
induction.
We
summarize
pathogenesis
various
diseases
highlight
development
small-molecular
compounds
targeting
disease
treatment
combination
latest
research.
Finally,
discuss
open
questions
imperative
answer.
Cell Reports,
Journal Year:
2023,
Volume and Issue:
42(3), P. 112185 - 112185
Published: Feb. 28, 2023
It
is
widely
known
that
stimulator
of
interferon
genes
(STING)
can
trigger
nuclear
factor
κB
(NF-κB)
signaling.
However,
whether
and
how
the
NF-κB
pathway
affects
STING
signaling
remains
largely
unclear.
Here,
we
report
Toll-like
receptor
(TLR)-,
interleukin-1
(IL-1R)-,
tumor
necrosis
(TNFR)-,
growth
(GF-R)-,
protein
kinase
C
(PKC)-mediated
activation
dramatically
enhances
STING-mediated
immune
responses.
Mechanistically,
find
interacts
with
microtubules,
which
plays
a
crucial
role
in
intracellular
trafficking.
We
further
uncover
canonical
induces
microtubule
depolymerization,
inhibits
trafficking
to
lysosomes
for
degradation.
This
leads
increased
levels
activated
persist
longer
period
time.
The
synergy
between
triggers
cascade-amplified
response
robust
host
antiviral
defense.
In
addition,
observe
several
gain-of-function
mutations
abolish
microtubule-STING
interaction
cause
abnormal
ligand-independent
autoactivation.
Collectively,
our
data
demonstrate
by
regulating
microtubule-mediated
Annual Review of Biochemistry,
Journal Year:
2022,
Volume and Issue:
91(1), P. 599 - 628
Published: March 15, 2022
In
the
decade
since
discovery
of
innate
immune
cyclic
GMP-AMP
synthase
(cGAS)-2'3'-cyclic
(cGAMP)-stimulator
interferon
genes
(STING)
pathway,
its
proper
activation
and
dysregulation
have
been
rapidly
implicated
in
many
aspects
human
disease.
Understanding
biochemical,
cellular,
regulatory
mechanisms
this
pathway
is
critical
to
developing
therapeutic
strategies
that
either
harness
it
boost
defense
or
inhibit
prevent
unwanted
inflammation.
review,
we
first
discuss
how
second
messenger
cGAMP
synthesized
by
cGAS
response
double-stranded
DNA
cGAMP's
subsequent
cell-type-dependent
STING
signaling
cascades
with
differential
physiological
consequences.
We
then
review
as
an
immunotransmitter
mediates
tightly
controlled
cell-cell
communication
being
exported
from
producing
cells
imported
into
responding
via
cell-type-specific
transporters.
Finally,
which
thecGAS-cGAMP-STING
responds
different
sources
mislocalized
pathogen
defense,
cancer,
autoimmune
diseases.