Exploring Toxicological Pathways of Microplastics and Nanoplastics: Insights from Animal and Cellular Models
Journal of Hazardous Materials,
Год журнала:
2025,
Номер
unknown, С. 137795 - 137795
Опубликована: Март 1, 2025
Microplastics
(MPs)
and
nanoplastics
(NPs)
represent
an
emerging
issue
for
human
animal
health.
This
review
critically
examines
in
vitro
vivo
studies
to
elucidate
their
mechanisms
of
action
toxicological
effects.
Key
objectives
included:
providing
a
comprehensive
overview
MP-NPs
literature,
assessing
experimental
conditions
relative
real
environmental
scenarios,
identifying
pathways
at
the
molecular
level.
The
findings
revealed
significant
progress
understanding
impacts.
In
particular,
it
has
been
observed
promotion
inflammation,
oxidative
stress,
apoptosis,
autophagy,
endoplasmic
reticulum
(ER)
stress
via
specific
signaling
axes.
Reproductive
toxicity
emerged
as
primary
research
focus,
particularly
male
models,
whereas
effects
on
gastrointestinal,
neurological,
cardiovascular
systems
were
insufficiently
studied,
especially
affected.
Most
disproportionately
focused
polystyrene
particles,
neglecting
other
prevalent
polymers
such
polyethylene
polypropylene.
Furthermore,
reliance
synthetic
microspheres
non-realistic
concentrations
limits
relevance
real-world
conditions.
Limited
long-term
exposure
further
constrain
persistence
risks.
view
this,
future
should
integrate
environmentally
relevant
particles
doses,
size
composition,
assessments,
advanced
methodologies
omics
computational
modeling.
addition,
therapeutic
interventions
targeting
ER
inflammation
apoptosis
may
be
excellent
solution
mitigate
toxicity.
At
same
time,
standardized
global
approach
is
needed
fully
understand
risks
posed
by
MP-NPs,
attempting
safeguard
public
Язык: Английский
Copper-Nanoparticle-Induced Neurotoxic Effect and Oxidative Stress in the Early Developmental Stage of Zebrafish (Danio rerio)
Na Liu,
Luyao Tong,
Kunjie Li
и другие.
Molecules,
Год журнала:
2024,
Номер
29(11), С. 2414 - 2414
Опубликована: Май 21, 2024
Copper
nanoparticles
(CuNPs)
are
extensively
used
in
electronics,
cosmetics,
fungicides,
and
various
other
fields
due
to
their
distinctive
qualities.
However,
this
widespread
usage
can
contribute
environmental
contamination
heightened
health
risks
for
living
organisms.
Despite
prevalent
use,
the
ecological
impacts
biosafety
of
CuNPs
remain
inadequately
understood.
The
present
study
aims
delve
into
potential
toxic
effects
on
zebrafish
(Danio
rerio)
embryos,
focusing
multiple
indexes
such
as
embryonic
development,
neurotoxicity,
oxidative
stress,
inflammatory
response.
results
revealed
a
notable
increase
death
rate
deformity
rate,
alongside
varying
degrees
decrease
hatching
heart
following
exposure.
Particularly,
frequency
spontaneous
tail
coiling
significantly
declined
under
exposure
at
concentrations
500
µg/L.
Furthermore,
induced
alterations
transcriptional
expression
GABA
signaling
pathway-related
genes
(gabra1,
gad,
abat,
gat1),
indicating
synthesis,
release,
catabolism,
recovery,
receptor
binding.
Additionally,
triggered
evidenced
by
disruption
superoxide
dismutase
(SOD),
catalase
(CAT),
glutathione
peroxidase
(GPx)
activities,
along
with
elevated
malondialdehyde
(MDA)
levels.
This
stress
subsequently
led
proinflammatory
cascade,
demonstrated
increased
markers
(il-1β,
tnf-α,
il-6,
il-8).
Comparative
analysis
copper
ion
(provided
CuCl2)
highlighted
more
significant
changes
most
CuCl2,
greater
toxicity
compared
equivalent
concentrations.
In
conclusion,
these
findings
provide
valuable
insights
embryo
development
neurotransmitter
conduction.
they
technical
methodologies
assessing
associated
CuNPs,
contributing
better
understanding
impact.
Язык: Английский
Promising protective potential of MiR-103a-3p against polystyrene microplastic neurotoxicity in rats
Frontiers in Toxicology,
Год журнала:
2025,
Номер
7
Опубликована: Апрель 1, 2025
Introduction:
Microplastics
are
ubiquitous
environmental
pollutants
with
potential
neurotoxic
effects
that
can
impair
learning
and
memory.
MicroRNAs
essential
regulators
of
a
number
physiological
pathological
processes,
but
detailed
information
on
the
impact
miRNAs
microplastics
is
lacking.
Methods:
In
present
study,
polystyrene
(PS-MPs)
were
administered
orally
miR-103a-3p
was
injected
intracerebroventricularly
as
treatment
for
PS-MPs-induced
neurotoxicity.
Results
Discussion:
Performance
in
novel
object
discrimination
Y-maze
Barnes
maze
tests
indicated
mitigates
deleterious
PS-MPs
Oxidative
stress,
pyroptosis,
apoptosis
inflammation
induced
by
modulated
after
miR-
103a-3p
injection
reducing
malondialdehyde,
protein
carbonyl,
nitrite,
caspase
3,
1,
TNFα,
NLRP3
levels
hippocampal
tissue.
Our
results
also
showed
reverse
astrocytic
reaction
SIRT1
BDNF
levels.
MiR-103a-3p
alleviated
endoplasmic
reticulum
(ER)
stress
through
PERK,
CHOP
GRP78.
These
findings
imply
exerts
neuroprotective
influence
against
cognitive
deficits
exposure
to
PS-MPs.
This
achieved
inflammation,
oxidative
stress.
Язык: Английский
Impact of the Oral Administration of Polystyrene Microplastics on Hepatic Lipid, Glucose, and Amino Acid Metabolism in C57BL/6Korl and C57BL/6-Lepem1hwl/Korl Mice
International Journal of Molecular Sciences,
Год журнала:
2024,
Номер
25(9), С. 4964 - 4964
Опубликована: Май 2, 2024
The
impact
of
microplastics
(MPs)
on
the
metabolic
functions
liver
is
currently
unclear
and
not
completely
understood.
To
investigate
effects
administration
MPs
hepatic
metabolism
normal
obese
mice,
alterations
in
lipid,
glucose
(Glu),
amino
acid
regulation
pathways
were
analyzed
adipose
tissues
C57BL/6Korl
(wild
type,
WT)
or
C57BL/6-Lepem1hwl/Korl
mice
(leptin
knockout,
Lep
KO)
orally
administered
polystyrene
(PS)
for
9
weeks.
Significant
lipid
accumulation,
adipogenesis,
lipogenesis,
lipolysis
detected
tissue
MP-treated
WT
KO
compared
to
vehicle-treated
group.
These
their
accompanied
by
an
upregulation
serum
profile,
as
well
mice.
Specifically,
level
leptin
was
increased
without
any
change
food
intake.
Also,
MP-induced
disruptions
glycogenolysis,
Glu
transporter
type
4
(GLUT4)-5′
AMP-activated
protein
kinase
(AMPK)
signaling
pathway,
levels
intermediates,
insulin
resistance
observed.
Furthermore,
seven
endogenous
metabolites
remarkably
changed
after
MP
administrations.
Finally,
observed
both
types
further
verified
differentiated
3T3-L1
adipocytes
HepG2
cells.
Thus,
these
results
suggest
that
oral
weeks
may
be
associated
with
disruption
Glu,
Язык: Английский
Plastic nanoparticles interfere with extracellular vesicle pathway in primary astrocytes
Ecotoxicology and Environmental Safety,
Год журнала:
2024,
Номер
286, С. 117180 - 117180
Опубликована: Окт. 21, 2024
Язык: Английский
Preparation of PLA Nanoparticles and Study of Their Influencing Factors
Molecules,
Год журнала:
2024,
Номер
29(23), С. 5566 - 5566
Опубликована: Ноя. 25, 2024
Nanoparticles
(NPs)
have
attractive
properties
that
received
impressive
consideration
in
the
last
few
decades.
Polylactic
acid
nanoparticles
(PLA-NPs)
stand
out
as
a
biodegradable
polyester
with
excellent
biocompatibility.
This
investigation
introduces
PLA-NPs
prepared
by
using
emulsification-solvent
volatilization
(O/W)
method.
The
effects
of
ultrasonication
time,
organic-to-aqueous
phase
volume
ratio,
surfactant
Tween-20,
and
PLA
on
particle
size
well
polydispersity
index
(PDI)
were
investigated
one-factor
combination
Response
Surface
Methodology
(RSM).
result
indicates
that,
one
hand,
was
key
factor
affecting
size,
which
gradually
increased
amount
from
0.01
to
0.1
g.
NPs
decreased
Tween-20
0.25
mL
1
aqueous
phase.
ratio
organic
1:10
1:1,
initially
decreasing
(from
1:5)
subsequently
increasing
1:5
1:1).
As
time
20
min
40
min,
25
30
min)
then
min).
On
other
main
PDI,
increase
PDI
changed
significantly
rapidly.
resulting
stabilization
subsequent
gradual
decrease
PDI.
With
(20-40
min),
tended
be
stable
after
increase.
effect
not
significant,
change
concentration
did
cause
significant
Язык: Английский
Prenatal exposure on nanoplastics: a study of spatial transcriptomics in hippocampal offspring
Environmental Pollution,
Год журнала:
2024,
Номер
366, С. 125480 - 125480
Опубликована: Дек. 5, 2024
Язык: Английский
Unveiling the Toxicity of Micro-Nanoplastics: A Systematic Exploration of Understanding Environmental and Health Implications
Toxicology Reports,
Год журнала:
2024,
Номер
14, С. 101844 - 101844
Опубликована: Дек. 12, 2024
The
surge
in
plastic
production
has
spurred
a
global
crisis
as
pollution
intensifies,
with
microplastics
and
nanoplastics
emerging
notable
environmental
threats.
Due
to
their
miniature
size,
these
particles
are
ubiquitous
across
ecosystems
pose
severe
hazards
they
ingested
bioaccumulate
within
organisms.
Although
reached
an
alarming
400.3
MTs,
recycling
efforts
remain
limited,
only
18.5
MTs
being
recycled.
Currently,
out
of
the
total
waste,
49.6
%
is
converted
into
energy,
27
recycled,
23.5
recovered
material,
indicating
need
for
better
waste
management
practices
combat
escalating
levels.
Research
studies
on
micro-nanoplastics
have
primarily
concentrated
presence
laboratory-based
toxicity
studies.
This
review
critically
examines
sources
detection
methods
micro-nanoplastics,
emphasising
toxicological
effects
ecological
impacts.
Organisms
like
zebrafish
rats
serve
key
models
studying
particle's
bioaccumulative
potential,
showcasing
adverse
that
extend
DNA
damage,
oxidative
stress,
cellular
apoptosis.
Studies
reveal
can
permeate
biological
barriers,
including
blood-brain
barrier,
neurological
imbalance,
cardiac,
respiratory,
dermatological
disorders.
These
health
risks,
particularly
relevant
humans,
underscore
urgency
broader,
real-world
beyond
controlled
laboratory
conditions.
Additionally,
discusses
innovative
energy-harvesting
technologies
sustainable
alternatives
utilisation,
valuable
energy-deficient
regions.
strategies
aim
simultaneously
address
energy
demands
mitigate
waste.
approach
aligns
sustainability
goals,
providing
promising
avenue
both
reduction
generation.
calls
further
research
enhance
techniques,
assess
long-term
impacts,
explore
solutions
integrate
recovery
mitigation,
especially
regions
most
affected
by
shortages
increased
Язык: Английский