Toxicology Research,
Journal Year:
2023,
Volume and Issue:
12(6), P. 1051 - 1062
Published: Oct. 17, 2023
The
application
of
Zinc
oxide
nanoparticles
(ZnO
NPs)
is
substantially
growing
in
industrial
products.
Therefore,
humans
are
increasingly
exposed
to
ZnO
NPs
daily
due
their
extensive
range
applications,
raising
worries
about
possible
toxicity.
Nanotoxicology,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 28
Published: April 16, 2025
The
early
development
of
nanotechnology
has
spurred
major
interest
on
the
toxicity
nanoparticles
(NPs)
due
to
their
ability
penetrate
biological
barriers
such
as
BBB.
This
review
aims
at
addressing
how
silver
(AgNPs),
titanium
dioxide
(TiO2NPs),
zinc
oxide
(ZnONPs),
iron
(Fe3O4NPs),
carbon
NPs,
Copper
(Cu-NPs),
silicon
(SiO2
NPs)
and
quantum
dots
cause
neurotoxicity.
Some
signaling
that
occur
are
related
oxidative
stress,
neuroinflammation,
mitochondrial
dysfunction
cell
equilibrium,
hence
results
in
neuronal
damage
neurodegeneration.
It
is
critical
describe
there
multiple
ways
by
NPs
may
be
toxic
based
size
surface,
dosage,
recipient's
age
health
condition.
A
vitro
vivo
analysis
provides
information
about
potentials
preventive
measures
including
modification
NP
surface
antioxidant
treatment.
underline
necessity
comprehensive
safety
assessments
allow
further
utilization
across
economy.
Research Square (Research Square),
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 29, 2025
Abstract
During
glioblastoma
(GBM)
progression,
therapeutic
resistance
is
influenced
by
a
heterogeneous
network
of
tumor-
and
tumor-promoting
cells
in
the
tumor
microenvironment.
Biological
attacks
against
(i.e.
chemoradiotherapy)
induce
tumoral
defense
mechanisms
bolstered
sophisticated
communication
aberrant
signaling
pathways.
Tunneling
nanotubes
(TNTs)
have
been
well
documented
to
mediate
this
process
aiding
metabolic
rescue
or
facilitating
recruitment
reprogramming
normal
become
tumor-supportive.
GBM
brain
tumor-initiating
(BTIC)
target
human
astrocytes
(NHA)
using
TNTs,
therefore
investigating
interaction
potential
mediators
involved
critical.
Myristoylated
Alanine
Rich
C-Kinase
Substrate
(MARCKS)
has
never
investigated
as
regulator
TNTs
despite
several
overlapping
In
present
study,
we
demonstrate
role
for
MARCKS
effector
domain
(ED)
PKC
activation
formation
functionality
between
BTICs
NHAs.
We
employ
cell-penetrable
peptide
derived
from
(MED2),
PKC-targeting
drugs,
an
inducible
ED
U87
model
elucidate
TNT
regulation
Nanotoxicology,
Journal Year:
2024,
Volume and Issue:
18(6), P. 565 - 581
Published: Aug. 17, 2024
We
have
previously
demonstrated
that
exposure
to
cobalt
nanoparticles
(Nano-Co)
caused
extensive
interstitial
fibrosis
and
inflammatory
cell
infiltration
in
mouse
lungs.
However,
the
underlying
mechanisms
of
Nano-Co-induced
pulmonary
remain
unclear.
In
this
study,
we
investigated
role
high-mobility
group
box
1
(HMGB1)
epithelial
cell-fibroblast
crosstalk
fibrosis.
Our
results
showed
Nano-Co
remarkable
production
release
HMGB1,
as
well
nuclear
accumulation
HIF-1α
human
bronchial
cells
(BEAS-2B)
a
dose-
time-dependent
manner.
Pretreatment
with
CAY10585,
an
inhibitor
against
HIF-1α,
significantly
blocked
overexpression
HMGB1
lysate
supernatant
BEAS-2B
induced
by
exposure,
indicating
induces
HIF-1α-dependent
release.
addition,
treatment
lung
fibroblasts
(MRC-5)
conditioned
media
from
Nano-Co-exposed
increased
RAGE
expression,
MAPK
signaling
activation,
enhanced
expression
fibrosis-associated
proteins,
such
fibronectin,
collagen
1,
α-SMA.
knockdown
had
no
effects
on
activation
MRC-5
fibroblasts.
Finally,
inhibition
ERK1/2,
p38,
JNK
all
abolished
cells,
suggesting
might
be
key
downstream
signal
HMGB1/RAGE
promote
fibroblast
activation.
These
findings
important
implications
for
understanding
pro-fibrotic
potential
Nano-Co.