Redox Biology,
Год журнала:
2024,
Номер
79, С. 103481 - 103481
Опубликована: Дек. 21, 2024
Emerging
evidence
suggests
that
lipid-laden
macrophages
(LLM)
participate
in
lung
damage
various
clinical
conditions.
However,
the
mechanisms
involved
LLM
formation
are
not
fully
understood.
In
this
study,
we
aimed
to
investigate
link
between
reactive
oxygen
species
(ROS)
and
formation.
We
found
ROS
triggered
by
cigarette
smoke
extract
(CSE)
or
H2O2
significantly
promoted
Given
key
role
of
formation,
further
demonstrated
is
induced
ROS-producing
stimuli,
including
bacteria,
oxidized
low-density
lipoprotein
(OxLDL),
hyperoxia,
E-cigarette
vapor
(EVE).
Meanwhile,
cytochrome
P450
family-1
subfamily
B
member
1
(CYP1B1)
was
highly
upregulated
from
chronic
obstructive
pulmonary
disease
(COPD)
patients
CSE-treated
macrophages.
Functionally,
CYP1B1
contributes
CSE-induced
lipid
accumulation
expression
were
effectively
suppressed
antioxidant
N-acetylcysteine
(NAC)
carvedilol.
The
also
associated
with
classically
activated
M1
but
M2
state.
showed
time-dependent
alterations
inflammatory
response
phagocytic
ability.
summary,
our
study
highlights
oxidative
stress
ROS-induced
may
serve
as
a
therapeutic
target
for
reducing
LLM-induced
damage.
International Journal of Molecular Sciences,
Год журнала:
2024,
Номер
25(4), С. 2370 - 2370
Опубликована: Фев. 17, 2024
Cannabidiol
(CBD),
a
non-psychoactive
phytocannabinoid
abundant
in
Cannabis
sativa,
has
gained
considerable
attention
for
its
anti-inflammatory,
antioxidant,
analgesic,
and
neuroprotective
properties.
It
exhibits
the
potential
to
prevent
or
slow
progression
of
various
diseases,
ranging
from
malignant
tumors
viral
infections
neurodegenerative
disorders
ischemic
diseases.
Metabolic
dysfunction-associated
steatotic
liver
disease
(MASLD),
formerly
known
as
non-alcoholic
fatty
(NAFLD),
alcoholic
disease,
hepatitis
stand
prominent
causes
morbidity
mortality
chronic
diseases
globally.
The
literature
substantiated
CBD’s
therapeutic
effects
across
diverse
vivo
vitro
models.
However,
precise
mechanism
action
remains
elusive,
an
absence
evidence
hinders
translation
into
clinical
practice.
This
comprehensive
review
emphasizes
wealth
data
linking
CBD
Importantly,
we
delve
detailed
discussion
receptors
through
which
might
exert
effects,
including
cannabinoid
receptors,
CB1
CB2,
peroxisome
proliferator-activated
(PPARs),
G
protein-coupled
receptor
55
(GPR55),
transient
channels
(TRPs),
their
intricate
connections
with
In
conclusion,
address
new
questions
that
warrant
further
investigation
this
evolving
field.
Food & Function,
Год журнала:
2024,
Номер
15(4), С. 1909 - 1922
Опубликована: Янв. 1, 2024
Mogroside
V
(MV)
is
a
natural
sweetener
extracted
from
the
edible
plant
Siraitia
grosvenorii
that
possesses
anti-inflammatory
bioactivity.
It
has
been
reported
microRNAs
(miRNAs)
play
an
important
role
in
inflammation
response
suppression
by
agents.
However,
whether
anti-inflammation
effect
of
mogroside
related
to
miRNAs
and
underlying
mechanism
remains
unclear.
Our
study
aimed
identify
key
for
MV
reveal
its
mechanisms.
results
showed
effectively
alleviated
lung
ovalbumin-induced
(OVA-induced)
asthmatic
mice.
miRNA-seq
mRNA-seq
combined
analysis
identified
miR-21-5p
as
miRNA
inhibition
it
predicted
SPRY1
be
target
gene
miR-21-5p.
We
found
significantly
inhibited
production
tumor
necrosis
factor-α
(TNF-α),
interleukin-1β
(IL-1β),
interleukin-2
(IL-2),
interleukin-6
(IL-6),
nitric
oxide
(NO),
well
protein
expression
p-P65/P65,
cyclooxygenase-2
(COX-2),
inducible
synthase
(iNOS)
OVA-induced
mice
LPS-treated
RAW
264.7
cells.
Moreover,
release
ROS
increased
LPS-stimulated
cells
but
was
mitigated
pretreatment.
In
meantime,
decreased
MV,
leading
increase
Furthermore,
overexpression
or
knockdown
reversed
MV's
protective
on
inflammatory
responses.
Conversely,
enhanced
responses
LPS-exposed
Therefore,
significant
downregulation
upregulation
vitro
vivo,
MiR-21-5p/SPRY1
may
novel
therapeutic
targets
treatment.
Pharmacological Research,
Год журнала:
2024,
Номер
204, С. 107218 - 107218
Опубликована: Май 18, 2024
This
study
investigates
the
role
of
Stanniocalcin-1
(STC1)
in
melanoma
progression,
with
a
focus
on
its
impact
metastasis,
angiogenesis,
and
immune
evasion.
Systematic
bioinformatics
analysis
revealed
potential
influence
STC1
dysregulation
prognosis,
cell
infiltration,
response
to
therapy,
cellular
functions.
In
vitro
assays
were
conducted
assess
proliferation,
invasion,
migration,
angiogenesis
capabilities
A375
cells.
vivo
experiments
utilizing
C57BL/6
J
mice
established
lung
metastasis
model
using
B16-F10
cells
evaluate
macrophage
infiltration
M2
polarization.
A
Transwell
co-culture
system
was
employed
explore
crosstalk
between
macrophages.
Molecular
interactions
among
STC1,
YAP,
βPIX,
CCL2
are
investigated
mass
spectrometry,
Co-Immunoprecipitation,
Dual-Luciferase
Reporter
Assay,
Chromatin
Immunoprecipitation
experiments.
found
enhance
by
promoting
recruitment
polarization
macrophages,
thereby
fostering
an
immunosuppressive
microenvironment.
Mechanistically,
competes
YAP
for
binding
βPIX
within
KER
domain
cells,
leading
activation
subsequent
upregulation.
CCL2-induced
macrophages
secrete
VEGFA,
which
enhances
tumor
vascularization
increases
expression
via
AKT
signaling
pathway
establishing
pro-metastatic
feedback
loop.
Notably,
STC1-induced
PD-L1
expression,
Silencing
efficacy
PD-1
checkpoint
therapy
mice.
research
elucidates
STC1's
complex
tumor-associated
proposing
as
therapeutic
target
countering
augmenting
immunotherapy.
Toxics,
Год журнала:
2023,
Номер
11(9), С. 784 - 784
Опубликована: Сен. 15, 2023
Melamine
(ML)
is
a
common
environmental
contaminant,
commonly
used
in
food
fraud,
representing
serious
health
hazard
and
jeopardizing
human
animal
health.
Recently,
nootkatone
(NK),
naturally
occurring
sesquiterpenoid,
has
garnered
considerable
attention
due
to
its
potential
therapeutic
advantages.
We
investigated
the
mechanisms
underlying
protective
effects
of
NK
against
ML-induced
liver
injury
rats.
Five
groups
were
utilized:
control,
ML,
NK10,
ML-NK5,
ML-NK10.
ML
induced
substantial
hepatotoxicity,
including
alterations
biochemical
parameters
histology.
The
oxidative
distress
triggered
by
increased
generation
malondialdehyde
(MDA)
nitric
oxide
(NO)
decreased
levels
reduced
glutathione
(GSH),
catalase
(CAT),
superoxide
dismutase
(SOD)
activities.
In
addition,
expression
nuclear
factor-erythroid
2-related
factor
2
(Nrf2)
kappa
beta
(NF-κB)
observed
hepatocytes,
which
indicated
occurrence
inflammatory
changes
following
exposure.
These
alleviated
supplementation
dose-dependent
manner.
data
revealed
that
favorable
attributed,
at
least
part,
antioxidant
anti-inflammatory
properties.
Moreover,
our
results
supported
molecular
docking
studies
good
fit
interactions
between
enzymes.
Thus,
current
study
demonstrated
new
additive
for
prevention
or
treatment
toxicity.
International Journal of Molecular Sciences,
Год журнала:
2025,
Номер
26(6), С. 2648 - 2648
Опубликована: Март 14, 2025
Perfluorooctane
sulfonic
acid
(PFOS)
is
a
persistent
organic
pollutant
that
has
attracted
much
attention
due
to
its
wide
environmental
distribution
and
potential
toxicity.
Intestinal
microbiota
an
important
regulator
of
host
health,
composition
metabolic
function
are
easily
interfered
with
by
pollutants.
In
this
study,
the
effects
PFOS
exposure
on
gut
microbiota,
lipid
metabolism,
health
were
investigated
in
mice.
The
results
showed
did
not
significantly
change
α
diversity,
but
affected
β
diversity
community
structure
intestinal
microflora
At
taxonomic
level,
ratio
Firmicutes
Bacteroidetes
decreased,
changes
abundance
specific
bacteria
closely
related
liver
diseases
metabolism
disorders.
also
gut–liver
axis
mechanism,
increased
blood
lipids
indicators
mice,
induced
histological
lesions.
This
study
revealed
toxic
mechanism
mediated
providing
new
research
perspective
for
problems
caused
pollutants
theoretical
support
formulation
relevant
public
policies.
Journal of Agricultural and Food Chemistry,
Год журнала:
2023,
Номер
71(51), С. 20654 - 20670
Опубликована: Дек. 13, 2023
Avermectin
(AVM)
is
presently
one
of
the
most
extensively
employed
insecticides
across
globe.
A
number
toxicity
research
studies
AVM
have
been
carried
out
in
freshwater-farmed
carp;
however,
there
are
currently
no
on
liver.
This
investigation
aims
to
replicate
an
acute
liver
injury
model
induced
by
carp,
subsequently
analyzing
adverse
effects
imposed
nontarget
species
while
delving
into
potential
mechanisms
underlying
its
toxicity.
In
this
study,
we
found
that
AVM-exposed
carp
tissue
showed
cellular
hydration
degeneration
and
necrosis
reduced
viability
hepatocyte
L8824.
Second,
oxidative
stress
stimulation
led
reactive
oxygen
(ROS)
accumulation
Ca2+
overload
L8824,
suggesting
exposure
induces
mitochondrial
dysfunction
hepatocytes.
inflammation
inducing
kinetic
disruption,
which
triggered
hepatic
injury.
autophagy
apoptosis
ROS
mediated
AVM-induced
apoptosis.
The
formation
attenuated
conclusion,
present
study
elucidated
hepatotoxicity
freshwater
aquaculture
exposed
pesticide
AVM,
emphasized
importance
monitoring
contamination
aquatic
environments,
provided
theoretical
references
for
targeted
prevention
carp.