Frontiers in Bioengineering and Biotechnology,
Год журнала:
2024,
Номер
12
Опубликована: Ноя. 18, 2024
Background
In
sepsis,
the
lung
is
one
of
worst
affected
organs,
often
leading
to
acute
injury
(ALI).
More
and
more
evidence
suggests
that
macrophages
are
also
involved
in
pathogenesis
ALI.
our
previous
study,
we
successfully
synthesized
Iron-capsaicin-based
nanoparticles
(Fe-CAP
NPs)
found
it
could
inhibit
secretion
inflammatory
cytokines
alleviate
Here,
further
explore
anti-inflammatory
mechanism
Fe-CAP
NPs.
Methods
Bone
marrow-derived
(BMDM)
C57
mice
were
divided
into
four
groups:
control
group,
lipopolysaccharide
(LPS)
CAP
+
LPS
group
group.
Western
blot
Immunofluorescence
used
detect
expression
macrophage
phenotypic
markers
CD86
CD206
BMDM
tissue.
Fluorescence
microbeads,
Transwell
ROS
kit
phagocytosis,
migration
clearing
capability
BMDM.
was
JAK2/STAT3
pathway
apoptosis
proteins
TUNEL
H&E
staining
evaluate
pathological
changes
Results
vitro
,
increased
LPS,
but
decreased
after
pretreatment.
opposite.
reduced
scavenged
LPS-treated
inhibited
P-JAK2
P-STAT3
apoptosis.
vivo
improved
histopathology
tissue
preconditioning,
reversed.
Conclusion
NPs
sepsis-induced
ALI
by
regulating
polarization
function
macrophages,
reducing
level
Biomolecules,
Год журнала:
2025,
Номер
15(2), С. 192 - 192
Опубликована: Янв. 29, 2025
Acute
lung
injury
(ALI)/acute
respiratory
distress
syndrome
(ARDS)
is
a
pulmonary
disease
with
high
mortality
associated
inflammation.
During
the
development
of
ALI/ARDS,
macrophages
usually
polarize
toward
M1
pro-inflammatory
macrophages,
promoting
inflammatory
response
in
ALI/ARDS
and
aggravating
tissue
damage.
Natural
compounds
anti-inflammatory
activity
have
achieved
excellent
results
treatment
through
different
regulatory
modes,
including
macrophage
polarization.
Of
note,
flavonoid,
brevilin
A,
tetrahydropalmatine
play
an
important
role
by
modulating
phenotypic
polarization
their
cytokine
expression
innate
immune
cells
lung.
Flavonoids
are
kind
naturally
occurring
polyphenol
compound,
which
has
antioxidant
activities.
Studies
found
that
some
flavonoids
can
alleviate
inhibiting
cytokines
macrophages.
Among
them,
5-methoxyflavone,
acacetin,
grape
seed
proanthocyanidins,
luteolin
also
regulate
Therefore,
in-depth
exploration
mechanism
lay
foundation
for
application
alleviating
inflammation-related
injury.
This
review
focuses
on
effects
natural
potential
mechanisms
ALI/ARDS.
Journal of Advanced Research,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 1, 2025
Acute
lung
injury
(ALI)
is
a
life-threatening
condition
characterized
by
rapidly
progressing
respiratory
distress
and
hypoxemia.
Oxidative
stress-induced
inflammation
in
tissue
plays
crucial
role
the
progression
of
ALI.
Excessive
generation
reactive
oxygen
species
(ROS)
pulmonary
microenvironment
activates
inflammatory
signaling
pathways,
enhancing
transcription
pro-inflammatory
factors
ultimately
leading
to
necrosis.
Bilirubin
(BR),
an
exceptional
endogenous
antioxidant,
possesses
ability
counteract
elevated
levels
through
direct
reactions
or
inducing
antioxidant
systems
such
as
Nrf2/HO-1
signaling.
However,
its
limited
solubility
poses
hindrance
further
applications.
Hence,
it
imperative
develop
suitable
bilirubin-based
system
for
biological
utilization.
In
this
study,
we
developed
ROS-sensitive
adaptive
nanoscavenger
(GP@BR)
co-assembling
bilirubin-conjugated
glycol
chitosan
(GC-BR)
polyethylene
(PEG-BR),
aiming
alleviate
oxidative
stress
ALI
treatment.
The
different
conjugations
endowed
bilirubin
derivatives
with
varying
sensitivity
towards
reacting
ROS,
enabling
GP@BR
exert
antioxidative
properties
specifically
environments
on
demand.
Besides
excellent
properties,
also
demonstrated
absorb
excess
cytokines.
Moreover,
our
optimized
facilitated
transport
across
mucosal
layer
epithelial
cells.
vivo
studies
confirmed
that
significantly
improved
symptoms
suppressed
fibrosis.
This
study
highlighted
potential
multiple
actions
treatment
Journal of Inflammation Research,
Год журнала:
2025,
Номер
Volume 18, С. 4143 - 4156
Опубликована: Март 1, 2025
Cordyceps
sinensis,
an
entomogenous
fungus
with
unique
biological
properties,
has
demonstrated
significant
anti-inflammatory
potential.
However,
its
effects
on
inflammation
regulation
need
to
be
further
investigated
in
detail.
In
this
study,
we
aimed
analyze
the
sinensis
extract
(CSE)
obtained
via
ethanol
extraction
and
assess
regulation.
The
secretion
of
pro-inflammatory
cytokines
(IL-6,
TNF-α,
IL-8,
IL-1β)
level
MMP9,
Nrf2/HO-1
ROS
were
evaluated.
A
transwell
system
THP-1
BEAS-2B
cells
was
used
explore
inflammatory
damage.
Gene
ontology
(GO)
Kyoto
encyclopedia
genes
genomes
(KEGG)
enrichment
analyses
conducted
differentially
expressed
genes.
CSE
exhibited
no
cytotoxicity
at
concentrations
≤
1.6
mg/mL.
Treatment
LPS-induced
significantly
inhibited
cytokines.
reduced
inflammation-related
protein
while
upregulating
signaling
pathway.
Fluorescence
assays
using
DCF
JC-1
confirmed
that
help
mitigate
oxidative
stress-induced
inflammation.
treatment
protected
from
Moreover,
immune
process
a
shared
GO
term
between
LPS-only
combined
LPS
treatment.
KEGG
analysis
showed
is
capable
regulating
associated
responses.
These
findings
highlight
potential
as
immune-regulating
agent
functional
foods
health
products.
Frontiers in Physiology,
Год журнала:
2024,
Номер
15
Опубликована: Окт. 18, 2024
Oxygen
is
an
essential
substance
for
the
maintenance
of
human
life.
It
also
widely
used
in
clinical
and
diving
medicine.
Although
oxygen
crucial
survival,
too
much
can
be
harmful.
Excessive
inhalation
a
short
period
time
lead
to
injury,
lung
one
main
target
organs.
Acute
injury
(ALI)
induced
by
hyperbaric
(HBO)
notably
more
severe
than
that
caused
normobaric
oxygen,
yet
systematic
research
on
such
its
regression
scarce.
In
this
study,
two
independent
experiments
were
designed.
first
experiment,
mice
exposed
2
atmospheres
absolute
(ATA),
≥95%
2,
4,
6,
8
h.
Changes
histopathology,
inflammation
expression
chemokines,
alveolar-capillary
barrier,
8-OHdG
detected
before
after
exposure.
second
these
parameters
measured
at
0
h,
12
24
h
following
6
exposure
ATA
oxygen.
Research
indicates
ALI
HBO
characterized
histologically
alveolar
expansion,
atelectasis,
inflammatory
cell
infiltration,
hemorrhage.
At
ATA,
significant
changes
barrier
observed
95%
4
as
evidenced
increased
Evans
blue
(EB)
extravasation
(
p
=
0.0200).
After
exposure,
tissue
pathology
scores,
levels,
chemotactic
factors
(such
Il6,
CCL2,
CCL3,
CXCL5,
CXCL10),
intercellular
adhesion
molecule
1
(ICAM1),
vascular
(VCAM1)
significantly
elevated.
Compared
onset
was
shortened.
Additionally,
it
markers
continued
increase
leaving
environment,
peaking
starting
recover
indicating
peak
occurs
within
post-exposure,
with
recovery
beginning
This
contradicts
common
belief
alleviated
upon
removal
from
high-oxygen
environment.
However,
EB
which
reflect
damage
VE-Cadherin
(VE-Cad),
tight
junction
protein
(ZO-1),
ICAM1,
VCAM1
remained
altered
suggests
most
sensitive
slowest
recovering
part
HBO.
These
findings
provide
insights
into
pathogenesis
progression
offer
references
identifying
corresponding
intervention
targets.
Biomacromolecules,
Год журнала:
2024,
Номер
26(1), С. 528 - 540
Опубликована: Дек. 27, 2024
N-Acetyl
cysteine
(NAC)
is
an
essential
molecule
that
boosts
acute
lung
injury
(ALI)
defense
via
its
direct
antioxidant
capability.
Nevertheless,
the
therapeutic
use
of
NAC
limited
due
to
poor
bioavailability
and
short
half-life.
In
this
study,
was
grafted
polyurethane
consisting
poly(propylene
fumarate),
poly(thioketal),
1,6-hexamethylene
diisocyanate
(PFTU)
reduce
excessive
oxidative
stress
inflammatory
factors
in
ALI.
The
NAC-grafted
polymer
nanoparticles
(NPT@NPs)
were
prepared
as
a
drug
delivery
system,
which
could
effectively
scavenge
free
radicals
inflammation
vitro.
administration
NPT@NPs
exhibited
notable
efficacy
ameliorating
pulmonary
edema,
attenuating
presence
cells,
suppressing
myeloperoxidase
expression,
diminishing
levels
pro-inflammatory
cytokines,
reversing
cell
apoptosis
ALI
model
induced
by
lipopolysaccharide
(LPS).
demonstrated
significantly
better
compared
mitigating
deleterious
effects
LPS
on
tissue,
thereby
providing
more
effective
protection
against
inflammation.