Journal of Advanced Research,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 1, 2024
The
cyclic
GMP-AMP
synthase
(cGAS)-stimulator
of
interferon
genes
(STING)
signaling
pathway
has
been
identified
as
a
crucial
mechanism
in
antiviral
defense
and
innate
immunity
pathway.
Ferroptosis,
characterized
by
iron
dependence
lipid
peroxidation,
represents
specialized
form
cell
death.
A
burgeoning
collection
studies
demonstrated
that
the
cGAS-STING
participates
homeostatic
regulation
organism
modulating
ferroptosis-associated
enzyme
activity
or
gene
expression.
Consequently,
elucidating
specific
roles
STING
ferroptosis
vivo
is
vital
for
targeted
disease
intervention.
This
review
systematically
examines
interactions
between
ferroptosis,
highlighting
their
influence
on
progression
contexts
inflammation,
injury,
cancerous
dynamics.
Understanding
these
may
provide
novel
therapeutic
strategies.
implicated
various
death
mechanisms,
including
apoptosis,
pyroptosis,
necroptosis,
autophagy,
ferroptosis.
Our
focus
primarily
addresses
role
diseases,
limiting
discussion
other
modalities
precluding
comprehensive
overview
pathway's
additional
functions.
International Immunopharmacology,
Journal Year:
2024,
Volume and Issue:
140, P. 112768 - 112768
Published: July 31, 2024
DNA
damage
is
typically
caused
during
cell
growth
by
replication
stress
or
exposure
to
endogenous
external
toxins.
The
accumulation
of
damaged
causes
genomic
instability,
which
the
root
cause
many
serious
disorders.
Multiple
cellular
organisms
utilize
sophisticated
signaling
pathways
against
damage,
collectively
known
as
response
(DDR)
networks.
Innate
immune
responses
are
activated
following
abnormalities,
including
damage.
Interestingly,
recent
studies
have
indicated
that
there
an
intimate
relationship
between
DDR
network
and
innate
responses.
Diverse
kinds
cytosolic
sensors,
such
cGAS
STING,
recognize
induce
signals
related
responses,
link
defective
immunity.
Moreover,
components
operate
in
IFNs
and/or
a
cascade
inflammatory
cytokines
via
direct
interactions
with
modulators.
Consistently,
factors
exacerbate
imbalance,
resulting
severe
diseases,
autoimmune
disorders
tumorigenesis.
Here,
latest
progress
understanding
crosstalk
reviewed.
Notably,
dual
function
modulators
may
provide
novel
insights
into
developing
targeted
immunotherapies
for
damage-related
even
carcinomas.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: Oct. 17, 2024
Infection
is
a
devastating
post-surgical
complication,
often
requiring
additional
procedures
and
prolonged
antibiotic
therapy.
This
especially
relevant
for
craniotomy
prosthetic
joint
infections
(PJI),
both
of
which
are
characterized
by
biofilm
formation
on
the
bone
or
implant
surface,
respectively,
with
S.
aureus
representing
primary
cause.
The
local
tissue
microenvironment
likely
has
profound
effects
immune
attributes
that
can
influence
treatment
efficacy,
becomes
critical
to
consider
when
developing
therapeutics
infections.
However,
extent
distinct
niches
function
during
development
remains
relatively
unknown.
To
address
this,
we
compare
metabolomic,
transcriptomic,
functional
leukocytes
in
mouse
models
PJI
complemented
patient
samples
from
infection
modalities,
reveals
niche-dependent
differences
nucleic
acid,
amino
lipid
metabolism
links
modulation.
These
signatures
spatially
temporally
distinct,
differing
not
only
between
sites
but
evolving
over
time
within
single
model.
Collectively,
this
demonstrates
biofilms
elicit
unique
metabolic
responses
heavily
influenced
microenvironment,
will
have
important
implications
designing
therapeutic
approaches
targeting
these
Journal of Neuroinflammation,
Journal Year:
2025,
Volume and Issue:
22(1)
Published: Jan. 22, 2025
Abnormality
in
transactivating
response
region
DNA
binding
protein
43
(TDP43)
is
well-recognized
as
the
pathological
hallmark
of
neurodegenerative
diseases.
However,
role
TDP43
neuromyelitis
optica
spectrum
disorder
(NMOSD)
remains
unknown.
Here,
our
observations
demonstrate
an
upregulation
both
vitro
and
vivo
models
NMOSD,
well
biological
samples
from
NMOSD
patients.
Single-nucleus
RNA
sequencing
revealed
that
induced
A1-like
reactive
astrocytes
astrocyte
mitochondrial
dysfunction
mice.
We
further
found
provoked
translocation
to
mitochondria
release
(mtDNA)
into
cytoplasm.
caused
activation
mtDNA/cyclic
GMP-AMP
synthase
(cGAS)
/
stimulator
interferon
genes
(STING)
pathway
A1-type
inflammatory
astrocytes.
Crucially,
knockdown
markedly
ameliorated
NMOSD-induced
cGAS/STING
Conversely,
overexpression
exacerbated
these
changes.
Specific
silencing
astrocytic
injury
mice,
conversely,
intensified
injury.
Meanwhile,
cGAS
STING
inhibitors
attenuated
In
summary,
data
suggest
exacerbates
through
upregulating
mtDNA/cGAS/STING
signaling
pathway.
Therefore,
targeting
represents
a
compelling
therapeutic
strategy
for
NMOSD.
iScience,
Journal Year:
2025,
Volume and Issue:
28(3), P. 111943 - 111943
Published: Feb. 1, 2025
Small
cell
lung
cancer
(SCLC)
is
a
highly
aggressive
form
of
with
limited
treatment
options.
Patients
often
respond
well
to
initial
chemo-immunotherapy
but
relapse
quickly,
necessitating
new
strategies
enhance
immune
responsiveness.
Recent
research
explores
combining
DNA-damaging
therapies
immunotherapy
activate
the
STING
pathway
and
improve
antitumor
response.
The
addition
DNA
Damage
Repair
(DDR)
inhibitors,
such
as
DNA-PKcs
after
chemotherapy
has
shown
promise
in
activating
innate
sensors
enhancing
CD8+
T
NK
pathways
SCLC
models.
This
approach
could
potentially
reshape
tumor
microenvironment
sustain
an
response,
offering
maintenance
strategy
for
treatment.
PLoS Biology,
Journal Year:
2025,
Volume and Issue:
23(3), P. e3003052 - e3003052
Published: March 18, 2025
Genome
sequencing
of
cancer
and
normal
tissues,
alongside
single-cell
transcriptomics,
continues
to
produce
findings
that
challenge
the
idea
is
a
‘genetic
disease’,
as
posited
by
somatic
mutation
theory
(SMT).
In
this
prevailing
paradigm,
tumorigenesis
caused
cancer-driving
mutations
clonal
expansion.
However,
results
from
tumor
sequencing,
motivated
genetic
paradigm
itself,
create
apparent
‘paradoxes’
are
not
conducive
pure
SMT.
But
beyond
causation,
new
lend
credence
old
ideas
organismal
biology.
To
resolve
inconsistencies
between
biological
reality,
we
must
complement
deep
with
thinking:
embrace
formal
historicity
entities,
(re)consider
non-genetic
plasticity
cells
tissues.
Essay,
discuss
concepts
cell
state
dynamics
tissue
fields
emerge
collective
action
genes
in
their
morphogenetic
context,
respectively,
how
they
help
explain
data
context
Journal of Clinical Oncology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 3, 2025
PURPOSE
Although
multiple
agents
targeting
PD-1
have
been
approved
as
second-line
treatment
for
esophageal
squamous
cell
carcinoma
(ESCC),
only
a
fraction
of
patients
derive
long-term
survival.
Hence,
reliable
predictive
biomarkers
are
urgently
needed.
METHODS
Comprehensive
tumor
genomic
profiling
and
transcriptome
sequencing
were
performed
on
samples
from
the
RATIONALE-302
study.
We
also
conducted
single-cell
RNA
analysis
Notch1
knockdown
ESCC
murine
models
to
further
explore
potential
molecular
mechanisms
underlying
anti–PD-1
benefit.
RESULTS
identified
NOTCH1
mutation
biomarker
longer
overall
survival
(OS)
with
tislelizumab
versus
chemotherapy
(18.4
months
v
5.3
months;
hazard
ratio,
0.35
[95%
CI,
0.17
0.71]).
At
transcriptional
level,
type
I
IFN
(IFN-I)/toll-like
receptor
expression
signatures
positively
associated
OS
benefit
tislelizumab,
whereas
B-cell
neutrophil
predicted
unfavorable
OS.
Exploratory
analyses
showed
that
presence
correlated
enrichment
IFN-I
reduced
infiltration
B
cells
neutrophils.
In
models,
comparative
revealed
deficiency
facilitated
more
immunologically
activated
microenvironment
which
potentiated
treatment.
CONCLUSION
Our
data
provide
novel
insights
selection
using
mutations
may
rationale
combination
therapy
in
ESCC.