bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 4, 2024
Abstract
Chemical
pollution
in
coastal
waters,
particularly
from
agricultural
runoff
organophosphates,
poses
a
significant
threat
to
marine
ecosystems,
including
coral
reefs.
Pollutants
such
as
chlorpyrifos
(CPF)
are
widely
used
agriculture
and
have
adverse
effects
on
life
humans.
In
this
paper,
we
investigate
the
impact
of
CPF
metamorphosis
reef
fish
model,
clownfish
Amphiprion
ocellaris
,
focusing
disruption
thyroid
hormone
(TH)
signalling
pathways.
Our
findings
reveal
that
by
reducing
TH
levels,
exposure
impairs
formation
characteristic
white
bands
larvae,
indicative
progression.
Interestingly,
treatment
can
rescue
these
effects,
establishing
direct
causal
link
between
effect
disruption.
The
body
shape
changes
occurring
during
also
impacted
exposure,
less
advanced
CPF-treated
larvae
than
control
conditions.
Moreover,
transcriptomic
analysis
elucidates
CPF’s
all
components
pathway.
Additionally,
induces
systemic
cholesterol
vitamin
D
metabolism,
DNA
repair,
immunity,
highlighting
its
broader
TH-independent
impacts.
often
overlooked
Developing
enhancing
models,
offers
more
comprehensive
understanding
how
chemical
affects
ecosystems.
This
approach
provides
new
insights
into
complex
mechanisms
underlying
toxicity
metamorphosis,
shedding
light
environmental
pollutants
organisms.
Highlights
Chlorpyrifos
is
an
insecticide
for
past
five
decades
has
humans
progression
During
lose
their
elongated
transform
miniature
ovoid-shaped
adults,
impacts
Advanced Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 18, 2025
Abstract
cGAS
(cyclic
GMP‐AMP
synthase)‐STING
(stimulator
of
interferon
genes)
signaling
plays
a
vital
role
in
innate
immunity,
while
its
deregulation
may
lead
to
wide
variety
autoinflammatory
and
autoimmune
diseases.
It
is
essential
identify
specifically
effective
compounds
inhibit
the
signaling.
Herein,
it
shown
that
carnosic
acid
(CA),
an
active
ingredient
medicinal
plant
Rosmarinus
officinalis
L
.,
suppressed
cGAS‐STING
pathway
activation
subsequent
inflammatory
responses.
Mechanistically,
CA
directly
bound
STING
C‐terminal
tail
(CTT),
impeded
recruitment
TANK‐binding
kinase
1
(TBK1)
onto
signalosome,
thereby
blocking
phosphorylation
regulatory
factor
3
(IRF3)
nuclear
translocation.
Importantly,
dramatically
attenuated
STING‐mediated
responses
vivo.
Consistently,
has
salient
ameliorative
effect
on
disease
model
mediated
by
Trex1
deficiency,
via
inhibition
Notably,
study
further
indicates
phenolic
hydroxyl
groups
are
for
CA‐mediated
inhibitory
activity.
Collectively,
results
thus
as
one
crucial
targets
mediating
CA's
anti‐inflammatory
activity,
reveal
CTT
be
novel
promising
target
drug
development.
Exploration,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 1, 2025
ABSTRACT
Selenium
(Se)
is
a
crucial
element
in
selenoproteins,
key
biomolecules
for
physiological
function
vivo.
As
selenium‐rich
organ,
the
central
nervous
system
can
express
all
25
kinds
of
which
protect
neurons
by
reducing
oxidative
stress
and
inflammatory
response.
However,
decreased
Se
levels
are
prevalent
variety
neurological
disorders,
not
conducive
to
treatment
prognosis
patients.
Thus,
biological
study
has
emerged
as
focal
point
investigating
pivotal
role
trace
elements
neuroprotection.
This
paper
presents
comprehensive
review
pathogenic
mechanism
diseases,
protective
Se,
selenoproteins.
Additionally,
application
neuroprotective
agent
disorder
therapy,
including
ischemic
stroke,
Alzheimer's,
Parkinson's,
other
summarized.
The
present
aims
offer
novel
insights
methodologies
prevention
disorders
with
providing
scientific
basis
development
innovative
Se‐based
neuroprotectants
promote
their
clinical
against
diseases.
Journal of Agricultural and Food Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 8, 2025
Silica
nanoparticles
(SiNPs)
are
a
nanometer
powder
widely
used
in
various
consumer
products,
engineering,
the
food
industry,
and
medical
applications.
Environmental
SiNPs
have
attracted
attention
owing
to
their
exposure
cardiovascular
adverse
events.
Here,
we
exposed
C57/BL6
mouse
HL-1
cells
with
different-sized
(50,
300
nm,
1
μm)
investigate
underlying
mechanism
of
its
toxicity.
Mice
three-sized
showed
significant
weight
loss
after
21
days
treatment.
Heart
tibia
length
ratio
histopathology
staining
indicated
increased
heart
volume
cross-sectional
area
myocardial
fibers
mice
SiNPs.
In
vivo
vitro
experiments
results
that
causes
size-dependent
mitochondrial
damage
initiates
mitophagy.
Notably,
compared
caused
by
nm
μm
exposure,
50
blocked
autophagy
flux,
leading
excessive
accumulation
DNA
(mtDNA)
cytoplasm,
ultimately
exacerbating
downstream
cGAS-STING
pathway-mediated
pyroptosis.
This
study
revealed
potential
health
risks
helped
understand
differences
cytotoxicity
different
sizes.
Phytomedicine,
Journal Year:
2024,
Volume and Issue:
131, P. 155776 - 155776
Published: May 24, 2024
Non-alcoholic
fatty
liver
disease
(NAFLD)
is
a
challenging
to
interfere
with
and
represents
potential
long-term
risk
factor
for
hepatic
fibrosis
cancer.
The
Xiezhuo
Tiaozhi
(XZTZ)
formula,
water
extract
from
crude
herbs,
has
been
widely
used
as
an
anti-NAFLD
agent
through
clinical
observation.
However,
the
underlying
pharmacological
mechanisms
of
XZTZ
formula
its
impact
on
pathways
against
NAFLD
have
not
elucidated.
Our
study
aims
investigate
effects
regulatory
treat
NAFLD.
possible
active
components
were
identified
using
ultra-performance
liquid
chromatography-quadrupole
time-of-flight
mass
spectrometry
(UPLC-Q-TOF/MS)
molecular
docking.
To
further
explore
mechanisms,
forty-eight
6-week-old
male
C57BL/6J
mice
given
individual
attention
high-fat
high-sugar
diet
(HFHSD)
or
relevant
control
(Ctrl)
diets
16
weeks
successfully
construct
mouse
model.
Subsequently,
levels
serum
biochemicals,
pathological
changes
in
liver,
pyroptosis
assessed
therapeutic
formula.
Further,
LPS-induced
RAW264.7
cells
Immortalized
Mouse
Kupffer
(ImKC)
verify
vitro.
We
7
chemical
compounds
2
targets
plausible
points
treatment
Subsequent
histopathological
analysis
revealed
marked
steatosis
lipid
accumulation
HFHSD
while
conditions
effectively
ameliorated
by
administration
Additionally,
our
work
demonstrated
that
could
attenuate
M1
polarization,
promote
M2
suppress
via
SIRT1
pathway
tissue
samples.
Moreover,
validation
performed
ImKC
showing
silencing
weaken
relative
affirmed
role
was
associated
macrophage.
These
findings
suggest
alleviated
mice.
ameliorations
are
involving
attenuation
promotion
anti-pyroptosis
pathway.
Journal of Advanced Research,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 1, 2024
Metabolic
inflammation
(metaflammation)
in
obesity
is
primarily
initiated
by
proinflammatory
macrophage
infiltration
into
adipose
tissue.
SelenoM
contributes
to
the
modulation
of
antioxidative
stress
and
multiple
pathological
processes;
however,
its
roles
metaflammation
(M1)-like
state
tissue
have
not
been
determined.
We
hypothesize
that
could
effectively
regulate
via
Hippo-YAP/TAZ-ROS
signaling
axis
derived
from
a
high-fat
diet.
Morphological
changes
were
examined
hematoxylin-eosin
(H&E)
staining
fluorescence
microscopy.
The
glucose
tolerance
test
(GTT)
insulin
(ITT)
used
evaluate
impact
deficiency
on
blood
levels.
RNA-Seq
analysis,
LC-MS
Mass
spectrometry
analysis
western
blotting
performed
detect
levels
genes
proteins
related
glycolipid
metabolism
Herein,
we
evaluated
inflammatory
features
metabolic
microenvironment
mice
with
SelenoM-deficient
tissues
multi-omics
analyses.
deletion
resulted
disturbances
resistance,
thereby
accelerating
weight
gain,
adiposity,
hyperglycemia.
Mice
lacking
white
adipocytes
developed
severe
adipocyte
hypertrophy
impaired
lipolysis.
aggravated
generation
ROS
reducing
equivalents
(NADPH
glutathione)
adipocytes,
promoting
cytokine
production
M1-proinflammatory
reaction,
which
was
change
nuclear
factor
kappa-B
(NF-κB)
macrophages.
Mechanistically,
promoted
Hippo-YAP/TAZ-ROS-mediated
transcriptional
regulation
targeting
large
tumor
suppressor
2
(LATS2).
Moreover,
supplementation
N-acetyl
cysteine
(NAC)
reduce
excessive
oxidative
partially
rescued
responses
M1
activation.
Our
data
indicate
ameliorates
mainly
obesity.
identification
as
key
regulator
presents
opportunities
for
development
novel
therapeutic
interventions
dysfunction
Communications Biology,
Journal Year:
2024,
Volume and Issue:
7(1)
Published: July 17, 2024
Abstract
Lower
selenium
levels
are
observed
in
Alzheimer’s
disease
(AD)
brains,
while
supplementation
shows
multiple
benefits.
Selenoprotein
W
(SELENOW)
is
sensitive
to
changes
and
binds
tau,
reducing
tau
accumulation.
However,
whether
restoration
of
SELENOW
has
any
protective
effect
AD
models
its
underlying
mechanism
remain
unknown.
Here,
we
confirm
the
association
between
downregulation
pathology,
revealing
SELENOW’s
role
promoting
degradation
through
ubiquitin‒proteasome
system.
competes
with
Hsp70
interact
ubiquitination
inhibiting
acetylation
at
K281.
deficiency
leads
synaptic
defects,
dysregulation
impaired
long-term
potentiation,
resulting
memory
deficits
mice.
Conversely,
overexpression
triple
transgenic
mice
ameliorates
impairment
tau-related
pathologies,
featuring
decreased
4-repeat
isoform,
phosphorylation
Ser396
Ser404,
neurofibrillary
tangles
neuroinflammation.
Thus,
contributes
regulation
homeostasis
maintenance,
implicating
potential
AD.