Environmental Toxicology and Pharmacology,
Год журнала:
2024,
Номер
110, С. 104503 - 104503
Опубликована: Июль 24, 2024
Nanoplastics
(NPs)
affect
fertility.
We
evaluated
the
effects
of
NPs
treatment
on
luteal
and
endothelial
cells.
examined
crucial
markers
growth
redox
status.
did
not
induce
changes
in
ATP
levels
cells,
while
it
increased
(p<
0.05)
their
proliferation.
In
no
change
proliferation
was
detected,
an
increase
(p<0.05)
observed.
The
reactive
oxygen
species,
superoxide
anion
nitric
oxide
(p<0.001)
detected
both
cell
types,
which
also
showed
dismutase
enzyme
activity
as
well
non-enzymatic
antioxidant
power
(p<0.05).
A
decrease
progesterone
production
vascular
factor
were
addition,
a
dose-dependent
accumulation
cells
shown,
that
likely
occurred
through
adhesion
internalization.
Results
underline
potential
risk
for
corpus
luteum
functionality.
Environment International,
Год журнала:
2024,
Номер
188, С. 108736 - 108736
Опубликована: Май 10, 2024
The
presence
of
microplastics
(MPs)
is
increasing
at
a
dramatic
rate
globally,
posing
risks
for
exposure
and
subsequent
potential
adverse
effects
on
human
health.
Apart
from
being
physical
objects,
MP
particles
contain
thousands
plastic-associated
chemicals
(i.e.,
monomers,
chemical
additives,
non-intentionally
added
substances)
captured
within
the
polymer
matrix.
These
are
often
migrating
MPs
can
be
found
in
various
environmental
matrices
food
chains;
health
effects.
In
addition
to
attributes
MPs,
plastic
surfaces
effectively
bind
exogenous
chemicals,
including
pollutants
(e.g.,
heavy
metals,
persistent
organic
pollutants).
Therefore,
act
as
vectors
pollution
across
air,
drinking
water,
food,
further
amplifying
posed
by
exposure.
Critically,
fragmentation
plastics
environment
increases
risk
interactions
with
cells,
available
leach
adsorb
transfer
pollutants.
This
review
proposes
so-called
triple
nexus
approach
comprehensively
map
existing
knowledge
interconnected
particles,
Based
data,
there
large
gap
regard
cumulative
nexus.
Each
component
known
induce
genotoxicity,
inflammation,
endocrine
disruption,
but
about
long-term
inter-individual
lacking.
Furthermore,
not
readily
excreted
organisms
after
ingestion
they
have
been
accumulated
blood,
cardiac
tissue,
placenta,
etc.
Even
though
number
studies
MPs-associated
impacts
rapidly,
this
underscores
that
pressing
necessity
achieve
an
integrated
assessment
MPs'
order
address
future
gaps.
Ecotoxicology and Environmental Safety,
Год журнала:
2024,
Номер
270, С. 115936 - 115936
Опубликована: Янв. 1, 2024
Nanopolystyrene
(NP)
and
cadmium
(Cd)
are
ubiquitous
contaminants
in
aquatic
systems.
The
present
study
aimed
to
investigate
the
toxic
effects
of
exposure
ambient
concentrations
NP
and/or
Cd
on
intestinal
tract
Chinese
mitten
crab
(Eriocheir
sinensis).
Exposure
induced
oxidative
stress,
as
evidenced
by
a
significant
increase
lipid
peroxide
content
(LPO),
total
antioxidant
capacity
(T-AOC),
peroxidase
activity
(POD),
decreases
superoxide
dismutase
(SOD)
glutathione
(GSH-PX)
activities
E.
sinensis.
In
addition,
imbalanced
homeostasis
microbiota,
demonstrated
significantly
increased
abundance
Spiroplasma.
Transcriptomic
metabolomic
analyses
were
performed
mechanisms
underlying
toxicity.
Our
results
showed
that
ferroptosis,
ABC
transporters,
phosphotransferase
system,
apoptosis,
leukocyte
transendothelial
migration
disturbed
after
Cd.
particular,
affected
mucin
type
O-glycan
biosynthesis,
purine
metabolism,
neuroactive
ligand-receptor
interaction.
Intriguingly,
co-exposure
might
mitigate
toxicity
decreasing
stress
affecting
these
pathways.
Taken
together,
our
clearly
demonstrates
at
environmentally
relevant
causes
Environmental Toxicology and Pharmacology,
Год журнала:
2023,
Номер
102, С. 104253 - 104253
Опубликована: Авг. 20, 2023
Microplastics
are
present
in
the
environment,
drinking
water,
human
blood
and
there
is
evidence
of
nanoplastics
tap
water.
The
objective
this
work
was
to
analyze
possibility
hemodialysis
patients
being
contaminated
by
micro
(MNPs)
during
dialysis
treatments.
motivation
for
investigation
fact
that
use
about
300-600
L
water
per
week,
which
may
be
MNPs.
A
literature
review,
a
field
London
hospital
an
estimation
MNPs
intake
were
carried
out.
results
showed
potential
points
risk
contamination
hemodialysis.
It
also
estimated
filtration
efficiency
99%
MNPs,
amount
microplastics
can
penetrate
kidneys
0.0021
3,768
particles/week.
assessment
concludes
at
high
MNP
contamination.
The Science of The Total Environment,
Год журнала:
2024,
Номер
914, С. 169979 - 169979
Опубликована: Янв. 10, 2024
Numerous
studies
have
identified
the
detrimental
effects
for
biosphere
of
large
plastic
debris,
effect
microplastics
(MPs)
and
nanoplastics
(NPs)
is
less
clear.
The
skin
first
point
contact
with
NPs,
fibroblasts
a
vital
role
in
maintaining
structure
function.
Here,
comparative
approach
taken
using
three
fibroblast
cell
lines
from
zebrafish
(SJD.1),
human
male
newborn
(BJ-5ta)
female
adult
(HDF/TERT164)
their
response
to
polystyrene
NP
(PS-NPs)
exposure
characterized.
Cells
were
exposed
environmentally
relevant
PS-NP
sizes
(50,
500
1000
nm)
concentrations
(0.001
10
μg/ml)
uptake
(1000
nm),
on
viability,
proliferation,
migration,
reactive
oxygen
species
(ROS)
production,
apoptosis,
alkaline
phosphatase
(ALP)
acid
(AP)
determined.
All
took
up
PS-NPs,
relationship
between
particle
size
concentration
inhibition
proliferation
migration
was
identified.
inhibitory
PS-NPs
more
pronounced
fibroblasts.
presence
negatively
affected
time-,
size-
concentration-dependent
manner
larger
at
higher
causing
significant
being
most
affected.
No
major
changes
detected
ROS
production
or
apoptosis
challenged
While
ALP
activity
increased
all
lines,
only
fish
showed
increase
AP
activity.
heterogeneous
induced
by
clearly
revealed
segregation
HDF,
BJ.5ta
SJD.1
principal
component
analysis.
Our
results
demonstrate
that
adversely
cellular
processes
cell-type
dose-specific
distinct
emphasizing
need
further
exploration
interactions
different
types
better
understand
potential
implications
health.
International Journal of Biological Sciences,
Год журнала:
2024,
Номер
20(14), С. 5779 - 5792
Опубликована: Окт. 21, 2024
The
escalation
of
plastic
pollution
represents
a
global
environmental
and
health
problem.
Important
toxic
effects
have
been
attributed
to
the
increasing
diffusion
microplastics
(MPs)
nanoplastics
(NPs)
derived
from
degradation
plastics.
These
particles
ubiquitously
observed
in
environment,
with
humans
being
continuously
exposed
via
ingestion,
inhalation
skin
contact.
Nonetheless,
cellular
homeostasis
imbalance
induced
by
micro-
nano-
plastics
(MNPs)
human
has
only
recently
shown,
while
most
evidence
molecular
mechanisms
studies
Environmental Science & Technology,
Год журнала:
2023,
Номер
57(29), С. 10521 - 10531
Опубликована: Июль 14, 2023
Studies
concerning
the
toxicity
of
pollutant-loaded
nanoplastics
(NPs)
toward
humans
are
still
in
their
infancy.
Here,
we
evaluated
adsorption
microcystins
(MCs)
by
pristine
and
aged
polystyrene
(PSNPs),
prepared
MCs-loaded
PSNPS
(1,
5,
10,
15,
19
μg/mg),
systematically
mapped
key
molecular
changes
induced
PSNPs
to
human
hepatoblastoma
(HepG2)
cells.
According
results,
MC-LR
is
increased
2.64-fold
aging,
PSNP
accumulation
detected
HepG2
The
cytotoxicity
MC-LR-loaded
showed
a
positive
relationship
with
amount,
as
cell
viability
μg/mg
loading
treatment
(aPS-MC19)
was
10.84%
lower
than
PSNPs;
meanwhile,
more
severe
oxidative
damage
observed.
Primary
approaches
involved
stressing
endoplasmic
reticulum
reducing
protein
synthesis
that
posed
for
cells,
while
aggravated
aPS-MC19
combined
result
metabolic
energy
disorder,
damage,
stress,
downregulation
target
protein.
Our
results
confirm
could
bring
into
significantly
interfere
biological
processes,
provide
new
insight
deciphering
risk
NPs
humans.
Environmental Toxicology,
Год журнала:
2024,
Номер
39(5), С. 2681 - 2691
Опубликована: Янв. 17, 2024
Abstract
It
is
well
known
that
polystyrene
nanoplastics
(PS‐NaP)
and
nano‐titanium
dioxide
(TiO
2
NPs)
are
frequently
co‐appeared
in
daily
life
can
cause
liver
injury
when
they
accumulate
the
liver.
Nonetheless,
combined
toxicological
impacts
potential
molecular
mechanisms
of
PS‐NaP
TiO
NPs
hepatic
system
have
not
been
revealed.
Thus,
we
conducted
experiments
on
C57BL/6
mice
exposed
to
or/and
for
4
weeks.
The
findings
suggested
co‐exposed
significantly
altered
function
parameters,
levels
antioxidant‐related
enzymes
genes
expression
Keap‐1/Nrf2/ARE
signaling
pathway,
as
increased
Ti
contents,
aggravated
pathological
oxidative
stress
(OS)
damage
compared
with
individual
exposure
or
NPs.
Using
N‐Acetyl‐L‐cysteine
(NAC),
an
OS
inhibitor,
further
demonstrated
played
a
pivotal
role
coexposure‐induced
injury.
NAC
reduced
mice,
which
mitigated
co‐exposure‐induced
Taken
together,
proposed
activated
Keap‐1
,
then
inhibited
recognition
Nrf2
ARE
consequently
exacerbated
These
shed
light
co‐toxicity
mechanism
nanoparticles,
informed
risk
assessment
human
environmental
pollutants.