bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 8, 2024
Abstract
Cancer
pain
is
a
global
public
health
problem.
The
mechanism
of
cancer
complex,
and
opioid
analgesics,
which
are
widely
used
clinically,
have
obvious
addiction
side
effects,
seriously
affect
patients’life
functions
may
aggravate
their
anxiety,
depression
other
negative
emotions.
Acupuncture
has
history
thousands
years
in
China,
acupuncture
analgesia
been
confirmed
by
many
studies.
This
study
investigated
whether
electroacupuncture
can
alleviate
abnormal
bone
(BCP)
mouse
models
its
possible
central
mechanism.
A
model
was
established
injecting
Lewis
lung
cells
into
the
left
femoral
cavity
adult
male
mice.
Mechanical
paw
withdrawal
threshold
tested
baseline
before
surgery
1,
4,
7,
10,
14
21
days
after
surgery.
On
day
21,
behaviours
related
to
emotions
were
tested.
After
behaviours,
femurs
removed
observe
pathological
changes,
neck
broken
brain
tissue
collected
from
basal
lateral
amygdala
(BLA)
area
for
subsequent
Western
Blot
ELISA
experiments
performed
verify
expression
(stimulator
interferon
genes,
STING)
STING/NF-
κ
B
pathway
proteins
inflammatory
factors.
Immunofluorescence
Ionized
calcium-binding
adapter
molecule-1
(Iba-1)
STING
region
also
performed.
results
show
that
increase
depressive-like
emotional
phenotype.
Electroacupuncture
inhibited
proteins,
activation
microglia
release
factors
area.
Therefore,
this
shows
relieve
regulating
microglial
factor
through
pathway.
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.
Biomedicine & Pharmacotherapy,
Journal Year:
2023,
Volume and Issue:
163, P. 114869 - 114869
Published: May 12, 2023
Pain
is
a
common
clinical
condition.
However,
the
mechanisms
underlying
pain
are
not
yet
fully
understood.
It
known
that
neuroimmune
system
plays
critical
role
in
pathogenesis
of
pain.
Recent
studies
indicated
cyclic-GMP-AMP
synthase-stimulator
interferon
genes
(cGAS-STING)
pathway
can
activate
innate
immune
by
sensing
both
extrinsic
and
intrinsic
double-stranded
DNA
cytoplasm,
which
involved
processing.
In
this
review,
we
summarise
(1)
roles
cGAS-STING
different
models,
(2)
effect
cells
during
regulation,
(3)
downstream
molecular
regulation.
This
review
provides
evidence
has
pro-
anti-nociceptive
effects
models.
functions
neuron,
microglia,
macrophage,
T
cells.
Its
molecules
include
IFN-I,
NF-κB,
NLRP3,
eIF2α.
The
bidirectional
processing
mediated
regulating
nociceptive
neuronal
sensitivity
neuroinflammatory
responses.
their
special
brain
regions,
activation
astrocytes,
phases
require
further
exploration.
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.
Journal of Pain Research,
Journal Year:
2025,
Volume and Issue:
Volume 18, P. 315 - 326
Published: Jan. 1, 2025
Bone
is
a
common
site
of
advanced
cancer
metastasis,
second
only
to
the
lungs
and
liver.Cancer-induced
bone
pain
(CIBP)
persistent
intense
that
caused
by
combination
inflammatory
neuropathic
factors.As
CIBP
progresses,
degree
intensifies.Despite
advancements
in
medical
technology,
treatment
outcomes
patients
with
remain
unsatisfactory,
severe
can
typically
be
controlled
opioid
medications.However,
treated
medications
often
develop
tolerance.Therefore,
they
may
require
dose
increases,
which
increase
severity
opioid-induced
side
effects,
turn
influencing
quality
life.The
peripheral
mechanisms
primarily
involve
tissue
damage,
tumor
microenvironment
formation,
changes
dorsal
root
ganglion.The
central
usually
biochemical
electrophysiological
spinal
cord
brain.The
main
processing
center
for
nociceptive
signals.When
cells
produce
mediators
acidify
or
damage
nerve
endings,
becomes
excessively
stimulated,
resulting
increased
prolonged
signals
propagate
higher
nervous
system
through
ascending
pathway.There
are
substantial
differences
generation
between
pain.Therefore,
understanding
underpinning
development
at
level
crucial
optimizing
management.This
study
explores
pathogenesis
describes
recently
proposed
methods
CIBP.
Brain Research Bulletin,
Journal Year:
2025,
Volume and Issue:
222, P. 111235 - 111235
Published: Feb. 6, 2025
Bone
cancer
pain
(BCP)
is
a
type
of
ongoing
or
breakthrough
caused
by
primary
bone
tumor
metastasis.
BCP
impairs
patients'
quality
life.
Depending
upon
clinical
observations,
the
administration
centrally
acting
analgesic
has
been
associated
with
alleviation
symptoms
patients.
Central
nervous
system
sensitization
performs
crucial
role
in
pain-regulating
perception
BCP.
Nevertheless,
precise
neural
circuitry
and
mechanism
action
remain
enigmatic.
In
present
study,
we
observed
activation
glutamatergic
neurons
Prelimbic
cortex
(mPFC)
paraventricular
thalamus
(PVT)
mice.
Experimental
validation
using
viral
tracers
confirmed
existence
projection
pathway
between
PVT
mPFC.
Inhibition
input
from
to
mPFC
alleviates
chronic
BCP,
whereas
PVTGlu-mPFCGlu
induces
These
findings
imply
pivotal
for
circuit
regulation