Medicine,
Год журнала:
2025,
Номер
104(10), С. e41497 - e41497
Опубликована: Март 7, 2025
Septic
acute
respiratory
distress
syndrome
(ARDS)
is
a
complex
and
noteworthy
type,
but
its
molecular
mechanism
has
not
been
fully
elucidated.
The
aim
to
explore
specific
biomarkers
diagnose
sepsis-induced
ARDS.
Gene
expression
data
of
sepsis
alone
ARDS
were
downloaded
from
public
databases,
the
differential
immune
cells
expressed
genes
between
2
groups
screened.
Weighted
gene
co-expression
network
analysis
was
used
identify
cells-related
module
genes,
then
integrated
with
mitochondrial
obtain
common
genes.
Next,
least
absolute
shrinkage
selection
operator,
random
forest,
support
vector
machine-recursive
feature
elimination
utilized
construct
nomogram
model.
Meanwhile,
biological
function
targeted
drugs
analyzed.
abundance
3
(macrophage,
neutrophils,
monocytes)
significantly
different
groups.
machine
learning
identified
5
up-regulated
in
had
diagnostic
significance.
based
on
these
good
confidence
clinical
application
value.
set
enrichment
showed
that
phenylalanine
metabolism
pathway
increased
samples
positive
correlation
Drug
prediction
exhibited
chlorzoxazone,
ajmaline,
clindamycin
could
target
multiple
Overall,
signature
screened
this
study
can
effectively
predict
possibility
patients,
which
deepen
understanding
pathogenesis
therapy
development.
Biomedicines,
Год журнала:
2024,
Номер
12(3), С. 632 - 632
Опубликована: Март 13, 2024
Acute
lung
injury
(ALI)
and
its
severe
form,
acute
respiratory
distress
syndrome
(ARDS),
present
life-threatening
conditions
characterized
by
inflammation
endothelial
injury,
leading
to
increased
vascular
permeability
edema.
Key
players
in
the
pathogenesis
resolution
of
ALI
are
macrophages
(Mφs)
cells
(ECs).
The
crosstalk
between
these
two
cell
types
has
emerged
as
a
significant
focus
for
potential
therapeutic
interventions
ALI.
This
review
provides
brief
overview
roles
Mφs
ECs
their
interplay
ALI/ARDS.
Moreover,
it
highlights
significance
investigating
perivascular
(PVMs)
immunomodulatory
(IMECs)
crucial
participants
Mφ–EC
crosstalk.
sheds
light
on
paves
way
innovative
treatment
approaches.
Frontiers in Immunology,
Год журнала:
2024,
Номер
15
Опубликована: Март 15, 2024
Sepsis
is
a
multi-organ
dysfunction
characterized
by
an
unregulated
host
response
to
infection.
It
associated
with
high
morbidity,
rapid
disease
progression,
and
mortality.
Current
therapies
mainly
focus
on
symptomatic
treatment,
such
as
blood
volume
supplementation
antibiotic
use,
but
their
effectiveness
limited.
Th17/Treg
balance,
based
its
inflammatory
property,
plays
crucial
role
in
determining
the
direction
of
regression
organ
damage
sepsis
patients.
This
review
provides
summary
changes
T-helper
(Th)
17
cell
regulatory
T
(Treg)
differentiation
function
during
sepsis,
heterogeneity
balance
response,
relationship
between
damage.
exerts
significant
control
over
bloom
wanes
throughout
sepsis.
American Journal of Respiratory Cell and Molecular Biology,
Год журнала:
2024,
Номер
71(4), С. 464 - 480
Опубликована: Июль 3, 2024
Bronchopulmonary
dysplasia
(BPD)
and
neurodevelopmental
impairment
are
among
the
most
common
morbidities
affecting
preterm
infants.
Although
BPD
is
a
predictor
of
poor
outcomes,
it
currently
uncertain
how
contributes
to
brain
injury
in
Extracellular
vesicles
(EVs)
involved
interorgan
communication
diverse
pathological
processes.
ASC
(apoptosis-associated
speck-like
protein
containing
caspase
recruitment
domain)
pivotal
inflammasome
assembly
activation
inflammatory
response.
We
assessed
expression
profiles
alveolar
macrophage
(AM)
markers
CD11b,
CD11c,
CD206
as
well
EVs
isolated
from
plasma
infants
at
risk
for
1
week
age.
found
that
on
higher
fraction
inspired
oxygen
therapy
(HO
ACS Nano,
Год журнала:
2024,
Номер
18(41), С. 28228 - 28245
Опубликована: Окт. 5, 2024
Sepsis-associated
encephalopathy
(SAE)
is
a
devastating
complication
of
sepsis,
affecting
approximately
70%
patients
with
sepsis
in
intensive
care
units
(ICU).
Although
the
pathophysiological
mechanisms
remain
elusive,
typically
accompanied
by
systemic
inflammatory
response
syndrome
(SIRS)
and
hyper-oxidative
conditions.
Here,
we
introduce
biomimetic
nanomodulator
(mAOI
NP)
that
specifically
targets
inflammation
site
simultaneously
regulates
oxidative
stresses.
mAOI
NPs
are
constructed
using
metal-coordinated
polyphenolic
antioxidants
(tannic
acid)
flavonoid
quercetin,
which
then
coated
macrophage
membrane
to
enhance
pharmacokinetics
enable
SAE
targeting.
In
cecal
ligation
puncture
(CLP)-induced
severe
model,
effectively
mitigate
stress
purging
reactive
oxygen
species,
repairing
mitochondrial
damage
activating
Nrf2/HO-1
signaling
pathway;
while
polarizing
M1
macrophages
or
microglia
toward
anti-inflammatory
M2
subtype.
potently
inhibit
progress,
prolong
overall
survival
from
25
66%
learning
memory
capabilities
mice.
Further
proteomics
analysis
reveals
modulate
neurodevelopment
processes
related
formation
also
exerting
antioxidative
effects
on
brain
tissue
responses
associated
pathology.
This
study
offers
significant
potential
for
improving
patient
outcomes
revolutionizing
treatment
landscape
this
sepsis.
Frontiers in Immunology,
Год журнала:
2025,
Номер
15
Опубликована: Янв. 7, 2025
Sepsis-induced
acute
lung
injury
(ALI)
remains
a
leading
cause
of
mortality
in
critically
ill
patients.
Macrophages,
key
modulators
immune
responses,
play
dual
role
both
promoting
and
resolving
inflammation.
Exosomes,
small
extracellular
vesicles
released
by
various
cells,
carry
bioactive
molecules
that
influence
macrophage
polarization
responses.
Emerging
researchers
have
identified
exosomes
as
crucial
mediators
modulate
activity
during
sepsis-induced
ALI.
This
review
explores
the
modulating
functions,
focusing
on
cellular
interactions
within
microenvironment
their
potential
therapeutic
targets.
It
highlights
regulation
macrophages
derived
from
pathogenic
germs,
neutrophils,
alveolar
epithelial
mesenchymal
stromal
cells.
By
understanding
these
mechanisms,
it
aims
to
uncover
innovative
strategies
for
Background:
Cytokine
storm
(CS)
represents
a
critical
systemic
inflammatory
syndrome
characterized
by
heightened
concentrations
of
circulating
cytokines
and
hyperactivation
immune
cells.
Acute
lung
injury
(ALI)
serves
as
significant
prognostic
indicator
for
mortality
in
patients
experiencing
CS.
Mogroside
V
(Notas
et
al.),
the
principal
bioactive
compound
derived
from
Siraitia
grosvenorii
traditional
Chinese
medicine,
exhibits
potential
anti-inflammatory
anti-tumor
properties.
However,
specific
role
MV
modulating
response
during
ALI
treatment
remains
inadequately
elucidated.Purpose:
To
investigate
mechanisms
vitro
vivo
against
induced
CS.Methods:
We
constructed
an
CS
model
M1-like
macrophage
mode.
Through
analysis
data
Gene
Expression
Omnibus
(GEO)
database,
combined
with
immunohistochemistry,
immunofluorescence,
flow
cytometry,
Western
blotting,
ELISA,
cell
heat
shift
assay,
molecular
docking
experiments,
mechanism
alleviating
caused
was
researched.Results:
Transcriptomic
revealed
that
CS-induced
is
associated
TLR4/NF-κB
pathway
polarization.
In
experiments
demonstrated
significantly
improved
survival
rate
mice,
promoted
resolution
neutrophils,
mitigated
histopathological
damage.
Both
collectively
inhibited
expression
TLR4,
MyD88,
P-IκBα
P-p65
pathway,
blocked
nuclear
translocation
p65,
consequently
suppressed
its
transcriptional
activity,
leading
to
reduced
production
(TNF-α,
IL-6,
NO).
Immunohistochemistry
cytometry
analyses
reduction
F4/80
CD86
expression,
while
CD206,
IL-4,
IL-10
were
elevated,
indicating
reduces
total
population
promotes
polarization
macrophages
toward
M2
phenotype.Conclusion:
This
research
indicates
demonstrates
therapeutic
effect
on
ALI,
potentially
through
inhibition
signaling
modulation
Given
low
adverse
effects
high
bioactivity,
emerges
promising
candidate
further
investigation.
European journal of medical research,
Год журнала:
2025,
Номер
30(1)
Опубликована: Янв. 10, 2025
Sepsis
is
characterized
by
an
excessive
immune
response.
Modulation
of
the
response,
particularly
macrophage
polarization,
may
provide
therapeutic
benefit.
The
effects
Caerulomycin
A
(caeA),
a
known
STAT1
phosphorylation
inhibitor,
on
polarization
and
inflammatory
markers
were
explored
using
lipopolysaccharide
(LPS)-induced
sepsis
mouse
model.
model
was
established
in
C57BL/6
mice
induced
intraperitoneal
injection
LPS,
survival
rate
observed
after
treatment
with
different
doses
caeA
to
determine
optimal
dose.
For
in-vitro
assays
RAW264.7
cell
line,
concentration
that
non-toxic
screened
MTT
assay,
followed
analyses
qRT-PCR,
ELISA,
Western
blot
flow
cytometry
for
M1/M2
type
(CD86,
NOS2,
CD206,
ARG1)
factors
(IL-1β,
IL-6,
TNF-α,
IL-4,
IL-10)
expression.
In
addition,
levels
STAT6
JAK–STAT
signaling
pathway
detected.
results
in-vivo
experiments
showed
(20
mg/kg)
significantly
increased
LPS-induced
septic
decreased
expression
M1-type
(CD86
NOS2)
pro-inflammatory
cytokines
TNF-α)
while
increasing
M2-type
(CD206
anti-inflammatory
(IL-4
experiments,
20
μM
effectively
inhibited
macrophages
without
affecting
activity
cells,
yet
enhanced
level
STAT6,
as
detected
blot.
CaeA
modulates
attenuates
response
mice,
possibly
pathway.
These
findings
support
further
exploration
potential
agent
sepsis.