Advanced Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 29, 2024
Abstract
Several
E3
ligases
have
been
found
to
affect
the
immune
microenvironment
of
hepatocellular
carcinoma
(HCC)
and
lead
resistance
immunotherapy.
In
this
study,
genes
are
screened
based
on
The
Cancer
Genome
Atlas
(TCGA)
dataset.
Through
cytometry
by
time
flight
(CyTOF),
flow
cytometry,
further
experiments,
Deltex
ubiquitin
ligase
2
(DTX2)
in
HCC
cells
is
identified
promote
infiltration
polarization
tumor‐associated
neutrophils
(TANs)
with
a
protumor
phenotype,
thus
attenuating
cytotoxicity
CD8+
T
partially
through
C‐X‐C
motif
chemokine
(CXCL2)
6
(CXCL6).
Mechanistically,
DTX2
can
interact
histone
H2B
its
monoubiquitination
at
lysine120
(H2BK120ub1),
thereby
increasing
CXCL2
CXCL6
transcription
epigenetic
regulation.
Different
tumor
models
vivo
demonstrated
that
inhibitor
treatment
inhibited
growth
sensitized
therapeutic
effects
programmed
cell
death
protein
1
(PD‐1)
antibody.
summary,
study
identifies
as
potential
target
for
Nature Communications,
Journal Year:
2025,
Volume and Issue:
16(1)
Published: Feb. 18, 2025
Neutrophil
extracellular
traps
(NETs)
play
a
critical
role
in
acute
myocardial
infarction
(AMI)
and
the
externalization
of
S100
family
members.
Here,
we
show
effects
S100A12
on
NETs
formation
injury
following
AMI.
expression
increases
rapidly
neutrophils
peaks
day
1
after
AMI,
promoting
production
exacerbating
injury.
DNase
I,
an
inhibitor
NETs,
reduces
apoptosis
cardiomyocytes
induced
by
S100A12.
Mechanistically,
interaction
Annexin
A5
(ANXA5)
enhances
calcium
influx
promotes
formation.
Blockage
ANXA5
effectively
attenuates
heart
function
impairment
Finally,
that
plasma
levels
correlate
with
dsDNA
concentration,
this
correlation
is
associated
increased
risk
all-cause
mortality
during
1-year
follow-up
AMI
patients.
These
findings,
derived
from
male
mice,
reveal
S100A12-ANXA5-calcium
axis
as
potential
therapeutic
target
biomarker
for
contribute
to
damage
(AMI).
authors
worsens
injury,
whereas
blocking
its
damage,
suggesting
new
Frontiers in Immunology,
Journal Year:
2024,
Volume and Issue:
15
Published: June 25, 2024
Kawasaki
disease
(KD),
an
acute
febrile
illness
and
systemic
vasculitis,
is
the
leading
cause
of
acquired
heart
in
children
industrialized
countries.
KD
leads
to
development
coronary
artery
aneurysms
(CAA)
affected
children,
which
may
persist
for
months
even
years
after
phase
disease.
There
unmet
need
characterize
immune
pathological
mechanisms
long-term
complications
KD.
We
examined
cardiovascular
Lactobacillus
casei
cell
wall
extract
(LCWE)
mouse
model
KD-like
vasculitis
over
4
months.
The
immune,
pathological,
functional
changes
occurring
lesions
were
characterized
by
histological
examination,
flow
cytometric
analysis,
immunofluorescent
staining
tissues,
transthoracic
echocardiogram.
CAA
abdominal
aorta
dilations
detected
up
16
weeks
following
LCWE
injection
initiation
vasculitis.
observed
alterations
composition
circulating
profiles,
such
as
increased
monocyte
frequencies
higher
counts
neutrophils.
determined
a
positive
correlation
between
neutrophil
inflammatory
severity
early
injection.
LCWE-induced
was
associated
with
myocarditis
myocardial
dysfunction,
diminished
ejection
fraction
left
ventricular
remodeling,
worsened
time.
extensive
fibrosis
within
inflamed
cardiac
tissue
later
stages.
Our
findings
indicate
that
are
reliable
predictor
inflammation
LCWE-injected
mice.
Furthermore,
stemming
from
infiltrations
aortic
root
arteries,
long
periods
still
Research Square (Research Square),
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 6, 2024
Abstract
To
investigate
the
common
genetic
patterns
and
possible
molecular
processes
involved
in
systemic
juvenile
idiopathic
arthritis
(SJIA)
Kawasaki
disease
(KD).
The
methodology
retrieval
analysis
of
microarray
data
for
SJIA
KD
from
Gene
Expression
Omnibus
(GEO)
database.
researchers
employed
ExpressAnalystR
software
to
ascertain
differentially
expressed
genes
(DEGs)
that
were
shared,
subsequently
identified
associated
with
extracellular
proteins
within
this
set.
Transcription
factors
(TFs)
their
corresponding
target
single-domain
encoding
(SDEGs)
acquired
by
a
comparative
databases
such
as
HumanTFDB
hTFtarget.
Subsequently,
gene
sets
had
been
previously
underwent
functional
enrichment
using
metascape
program.
Ultimately,
immune
infiltration
was
conducted
CIBERSORT.
study
revealed
total
204
up-regulated
35
down-regulated
SDEGs.
Through
construction
network
targeting
transcription
(TFs),
4
specific
TFs
(EGR1,
BCL6,
FOS,
NFE2)
further
screened.
Functional
findings
indicate
both
adaptive
innate
systems
play
significant
roles
development
Signaling
pathways,
NF-kB,
are
crucial
pathogenesis
these
conditions,
along
biological
like
tumor
necrosis
factor
(TNF)
functions
neutrophil
degranulation.
our
investigation
provided
comprehensive
evidence
regarding
intricate
adaptable
nature
system
abnormalities
KD.
same
pathogenic
mechanism
may
involve
actions
TNF,
degranulation,
NF-kB
pathway.
Furthermore,
it
is
imperative
carry
out
more
regulatory
EGR1,
NFE2
network.
The Journal of Immunology,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 24, 2024
Abstract
Neutrophils
play
important
roles
in
inflammatory
airway
diseases.
In
this
study,
we
assessed
whether
apolipoprotein
A-I
modifies
neutrophil
heterogeneity
as
part
of
the
mechanism
by
which
it
attenuates
acute
inflammation.
Neutrophilic
inflammation
was
induced
daily
intranasal
administration
LPS
plus
house
dust
mite
(LPS+HDM)
to
Apoa1−/−
and
Apoa1+/+
mice
for
3
d.
Single-cell
RNA
sequencing
performed
on
cells
recovered
from
bronchoalveolar
lavage
fluid
day
4.
Unsupervised
profiling
identified
10
clusters
neutrophils
mice.
LPS+HDM-challenged
had
an
increased
proportion
Neu4
cluster
that
expressed
S100a8,
S100a9,
Mmp8
high
maturation,
aggregation,
TLR4
binding
scores.
There
also
increase
Neu6
immature
neutrophils,
whereas
expressing
IFN-stimulated
genes
were
decreased.
An
unsupervised
trajectory
analysis
showed
represented
a
distinct
lineage
recruited
airspace
macrophages,
associated
with
reciprocal
reduction
resident
macrophages.
Increased
expression
common
set
proinflammatory
genes,
Lcn2,
present
all
macrophages
These
findings
show
have
increases
specific
macrophage
lung
during
mediated
LPS+HDM,
well
enhanced
genes.
This
suggests
modifications
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