Microplastics
have
received
growing
concerns
from
both
society
and
the
scientific
community
due
to
their
widespread
presence
in
environment
potential
toxic
effects.
In
this
chapter,
we
present
effects
of
microplastics
on
estuarine
marine
organisms,
freshwater
soil
human
health,
including
enrichment
organisms
mechanisms.
addition,
compound
toxicity
with
other
environmental
pollutants
is
also
discussed.
Toxics,
Год журнала:
2025,
Номер
13(1), С. 53 - 53
Опубликована: Янв. 12, 2025
A
considerable
quantity
of
microplastic
debris
exists
in
the
environment
and
toxicity
these
materials
has
a
notable
impact
on
aquatic
ecosystems.
In
this
paper,
50–500
µm
polystyrene
microplastics
(exposure
concentrations
were
200
µg/L,
800
3200
µg/L
concentrations)
selected
to
study
effects
(PS-MPs)
cell
morphology,
detoxification
enzyme
activity,
mRNA
expression
liver
tissues
crucian
carp
juveniles.
The
results
demonstrated
that:
(1)
Different
PS-MPs
cause
varying
degrees
pathological
oxidative
damage
tissue
cells
carp.
higher
concentration
microplastics,
lower
antioxidant
(CAT,
GST,
SOD)
activity
greater
damage.
These
demonstrate
typical
dose–effect
relationship.
(2)
Principal
component
analysis
Spearman’s
correlation
that
four
components,
namely
glutathione
S-transferase
(GST)
its
related
genes
(GSTpi,
GSTα),
along
with
catalase
(CAT),
contributed
most
observed
outcome.
components
relatively
high
level
responsiveness
PS-MP
exposure
can
be
employed
as
ecotoxicological
indicators
microplastics.
(3)
This
experiment
evaluated
five
three
treatments,
which
found
had
different
gene
tested
involved
response
pathways
associated
virulence.
study,
was
determined
at
cellular,
protein,
levels,
combined
principal
identify
sensitivity
provide
scientific
basis
for
ecological
risk
assessment
safe
use
Journal of Hazardous Materials,
Год журнала:
2025,
Номер
488, С. 137471 - 137471
Опубликована: Фев. 2, 2025
Micro(nano)plastics
(MNPs)
primarily
enter
fish
through
two
routes:
directly
ingestion
via
their
diets
and
respiratory
filtration
gills.
However,
the
specific
impacts
of
these
routes
on
liver
metabolism
remain
largely
unknown.
Here,
we
investigated
gene
expression
profiles
Nile
tilapia
Oreochromis
niloticus
following
equivalent
doses
foodborne
waterborne
MNPs
exposure.
While
phenotypes
O.
showed
minimal
differences
between
exposure
routes,
significant
variations
were
observed
in
response
patterns.
Using
WGCNA,
identified
key
networks
KEGG
pathways
associated
with
each
type.
The
primary
transcription
factors
regulating
changes
thrb
for
fosl2
stimulus
induced
metabolic
disorders
circadian
rhythm,
whereas
inflammatory
responses
to
affect
host
metabolism.
By
integrating
alterations
gut
microbiota
enrichment
data,
further
found
that
Firmicutes,
Fusobacteriota,
Proteobacteria,
Chloroflexi
jointly
regulated
mapk13
during
exposure,
most
leading
genes
was
predominantly
influenced
by
Firmicutes.
Collectively,
our
study
demonstrated
a
distinct
pattern
microbiota-gene
gut-liver
axis
Microplastics
have
received
growing
concerns
from
both
society
and
the
scientific
community
due
to
their
widespread
presence
in
environment
potential
toxic
effects.
In
this
chapter,
we
present
effects
of
microplastics
on
estuarine
marine
organisms,
freshwater
soil
human
health,
including
enrichment
organisms
mechanisms.
addition,
compound
toxicity
with
other
environmental
pollutants
is
also
discussed.