bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2023,
Volume and Issue:
unknown
Published: June 5, 2023
Type
I
interferons
(IFNs)
increase
the
excitability
of
dorsal
root
ganglion
(DRG)
neurons
via
activation
MNK-eIF4E
translation
signaling
to
promote
pain
sensitization
in
mice.
Activation
STING
is
a
key
component
type
IFN
induction.
Manipulation
an
active
area
investigation
cancer
and
other
therapeutic
areas.
Vinorelbine
chemotherapeutic
that
activates
has
been
shown
cause
neuropathy
oncology
clinical
trials
patients.
There
are
conflicting
reports
on
whether
promotes
or
inhibits
We
hypothesized
vinorelbine
would
neuropathic
pain-like
state
mice
pathways
DRG
associated
with
(10
mg/kg,
i.v.)
induced
tactile
allodynia
grimacing
WT
male
female
increased
p-IRF3
protein
peripheral
nerves.
In
support
our
hypothesis,
vinorelbine-mediated
was
absent
Sting
MedComm,
Journal Year:
2024,
Volume and Issue:
5(4)
Published: March 23, 2024
Abstract
Since
cyclic
guanosine
monophosphate‐adenosine
monophosphate
synthase
(cGAS)–stimulator
of
interferon
genes
(STING)
signaling
pathway
was
discovered
in
2013,
great
progress
has
been
made
to
elucidate
the
origin,
function,
and
regulating
mechanism
cGAS–STING
past
decade.
Meanwhile,
triggering
transduction
mechanisms
have
continuously
illuminated.
plays
a
key
role
human
diseases,
particularly
DNA‐triggered
inflammatory
making
it
potentially
effective
therapeutic
target
for
inflammation‐related
diseases.
Here,
we
aim
summarize
ancient
origin
defense
mechanism,
as
well
triggers,
transduction,
cGAS–STING.
We
will
also
focus
on
important
roles
signal
under
pathological
conditions,
such
infections,
cancers,
autoimmune
neurological
visceral
inflammations,
review
drug
development
targeting
pathway.
The
main
directions
potential
obstacles
research
diseases
cancers
be
discussed.
These
advancements
expand
our
understanding
cGAS–STING,
provide
theoretical
basis
further
exploration
open
up
new
strategies
promising
intervention
multiple
Acta Pharmaceutica Sinica B,
Journal Year:
2024,
Volume and Issue:
14(8), P. 3327 - 3361
Published: May 13, 2024
Mitophagy,
essential
for
mitochondrial
health,
selectively
degrades
damaged
mitochondria.
It
is
intricately
linked
to
the
cGAS–STING
pathway,
crucial
innate
immunity.
This
pathway
responds
DNA
and
associated
with
cellular
stress.
Our
review
explores
molecular
details
regulatory
mechanisms
of
mitophagy
pathway.
We
critically
evaluated
literature
demonstrating
how
dysfunctional
leads
neuroinflammatory
conditions,
primarily
through
accumulation
mitochondria,
activating
activation
prompts
production
proinflammatory
cytokines,
exacerbating
neuroinflammation.
emphasizes
interaction
between
Effective
might
suppress
offering
protection
against
Conversely,
impaired
may
activate
potentially
leading
chronic
Additionally,
we
explored
this
influences
neurodegenerative
disorders,
suggesting
a
common
mechanism
in
such
diseases.
In
conclusion,
there
need
additional
targeted
research
unravel
complexities
mitophagy–cGAS–STING
interactions
their
role
neurodegeneration.
highlights
potential
therapies
targeting
these
pathways,
which
could
lead
new
treatments
conditions.
synthesis
enhances
our
understanding
foundations
neuroinflammation
opens
therapeutic
avenues
disease
research.
Brain Behavior and Immunity,
Journal Year:
2024,
Volume and Issue:
117, P. 51 - 65
Published: Jan. 6, 2024
Microglia,
resident
immune
cells
in
the
central
nervous
system,
play
a
role
neuroinflammation
and
development
of
neuropathic
pain.
We
found
that
stimulator
interferon
genes
(STING)
is
predominantly
expressed
spinal
microglia
upregulated
after
peripheral
nerve
injury.
However,
mechanical
allodynia,
as
marker
pain
following
injury,
did
not
require
microglial
STING
expression.
In
contrast,
activation
by
specific
agonists
(ADU-S100,
35
nmol)
significantly
alleviated
male
mice,
but
female
mice.
mice
leads
to
increase
proinflammatory
cytokines
may
counteract
analgesic
effect
ADU-S100.
Microglial
expression
type
I
interferon-ß
(IFN-ß)
signaling
were
required
for
effects
Mechanistically,
downstream
TANK-binding
kinase
1
(TBK1)
production
IFN-ß,
partly
account
observed.
These
findings
suggest
could
be
potential
therapeutic
intervention
pain,
particularly
males.
iScience,
Journal Year:
2024,
Volume and Issue:
27(2), P. 108808 - 108808
Published: Jan. 8, 2024
Type
I
interferons
(IFNs)
increase
the
excitability
of
dorsal
root
ganglia
(DRGs)
neurons
via
MNK-eIF4E
signaling
to
promote
pain
sensitization
in
mice.
Activation
stimulator
interferon
response
cGAMP
interactor
1
(STING)
is
pivotal
for
type
IFN
induction.
We
hypothesized
that
vinorelbine,
a
chemotherapeutic
and
activator
STING,
would
cause
neuropathic
pain-like
state
mice
STING
DRG
associated
with
production.
Vinorelbine
caused
tactile
allodynia
grimacing
wild-type
(WT)
increased
p-IRF3,
IFNs,
p-eIF4E
peripheral
nerves.
Supporting
our
hypothesis,
vinorelbine
failed
induce
IRF3-IFNs-MNK-eIF4E
StingGt/Gt
and,
subsequently,
pain.
The
vinorelbine-elicited
was
not
observed
Mknk1−/−
(MNK1
knockout)
nerves
consistent
attenuated
pro-nociceptive
effect
these
Our
findings
show
activation
periphery
causes
through
nociceptors.
Neurobiology of Disease,
Journal Year:
2024,
Volume and Issue:
202, P. 106710 - 106710
Published: Oct. 28, 2024
Neurodegenerative
diseases
(NDs)
are
a
type
of
common
chronic
progressive
disorders
characterized
by
damage
to
specific
cell
populations
in
the
nervous
system,
ultimately
leading
disability
or
death.
Effective
treatments
for
these
still
lacking,
due
limited
understanding
their
pathogeneses,
which
involve
multiple
cellular
and
molecular
pathways.
The
triggering
an
immune
response
is
feature
neurodegenerative
disorders.
A
critical
challenge
intricate
interplay
between
neuroinflammation,
neurodegeneration,
responses,
not
yet
fully
characterized.
In
recent
years,
cyclic
GMP-AMP
synthase
(cGAS)-stimulator
interferon
gene
(STING)
pathway,
crucial
intracellular
DNA
sensing,
has
gradually
gained
attention.
However,
roles
this
pathway
within
types
such
as
cells,
glial
neuronal
its
contribution
ND
pathogenesis,
remain
elucidated.
review,
we
systematically
explore
how
cGAS-STING
signaling
links
various
with
related
effector
pathways
under
context
NDs
multifaceted
therapeutic
directions.
We
emphasize
discovery
condition-dependent
heterogeneity
integral
diverse
responses
potential
targets.
Additionally,
review
pathogenic
role
activation
Parkinson's
disease,
ataxia-telangiectasia,
amyotrophic
lateral
sclerosis.
focus
on
complex
bidirectional
Alzheimer's
Huntington's
sclerosis,
revealing
double-edged
nature
disease
progression.
objective
elucidate
pivotal
pathogenesis
catalyze
new
insights
facilitating
development
novel
strategies.
European Journal of Pharmacology,
Journal Year:
2024,
Volume and Issue:
969, P. 176428 - 176428
Published: March 1, 2024
Morphine
tolerance
has
been
a
challenging
medical
issue.
Neuroinflammation
is
considered
as
critical
mechanism
for
the
development
of
morphine
tolerance.
Bromodomain-containing
protein
4
(BRD4),
key
regulator
in
cell
damage
and
inflammation,
participates
chronic
pain.
However,
whether
BRD4
involved
underlying
mechanisms
remain
unknown.
The
morphine-tolerant
rat
model
was
established
by
intrathecal
administration
twice
daily
7
days.
Behavior
test
assessed
tail-flick
latency
test.
roles
BRD4,
pyroptosis,
microglia
polarization
related
signaling
pathways
were
elucidated
Western
blot,
real-time
quantitative
polymerase
chain
reaction,
immunofluorescence.
Repeated
upregulated
level,
induced
promoted
M1-polarization
spinal
cord,
accompanied
release
proinflammatory
cytokines,
such
TNF-α
IL-1β.
JQ-1,
antagonist,
alleviated
tolerance,
diminished
pyroptosis
switch
from
M1
to
M2
phenotype.
Mechanistically,
stimulator
interferon
gene
(STING)-
regulatory
factor
3
(IRF3)
pathway
activated
protective
effect
JQ-1
against
at
least
partially
mediated
inhibition
STING-IRF3
pathway.
This
study
demonstrated
first
time
that
contributes
via
during
which
extend
understanding
neuroinflammation
provide
an
alternative
strategy
precaution
this
condition.
Brain Behavior and Immunity,
Journal Year:
2024,
Volume and Issue:
121, P. 29 - 42
Published: July 22, 2024
Pain
is
often
one
of
the
initial
indicators
a
viral
infection,
yet
our
understanding
how
viruses
induce
pain
limited.
Immune
cells
typically
recognize
nucleic
acids,
which
activate
receptors
and
signaling,
leading
to
immunity.
Interestingly,
these
signals
are
also
present
in
nociceptors
associated
with
pain.
Here,
we
investigate
response
acids
during
infections,
specifically
focusing
on
role
signal,
Stimulator
Interferon
Genes
(STING).
Our
research
shows
that
cytosolic
double-stranded
DNA
(dsDNA)
from
viruses,
like
herpes
simplex
virus
1
(HSV-1),
triggers
responses
through
STING
expression
nociceptors.
In
addition,
agonists
alone
can
elicit
responses.
Notably,
involve
direct
activation
TRPV1.
We
provided
proof-of-concept
showing
TRPV1
significantly
contribute
mechanical
hypersensitivity
induced
by
HSV-1
infection.
These
findings
suggest
could
be
potential
therapeutic
target
for
relieving
infections.