Polystyrene
microplastics
(PS-MPs)
have
been
shown
to
impair
male
fertility.
However,
most
of
the
existing
studies
are
based
on
animal
models
and
exposure
PS-MPs
before
sperm
maturation.
We
investigated
effects
mature
fertilization
quality
apoptosis.
exposed
human
spermatozoa
various
concentrations
(0,
0.1,
1,
10,
100,
1000
μg/mL)
for
24h.
Our
findings
revealed
a
decrease
in
progressive
motility
overall
sperm,
an
increase
DNA
fragmentation.
Furthermore,
electron
microscopy
showed
evidence
mitochondrial
shrinkage
nuclear
vacuoles
following
PS-MPs.
Results
from
RNA
sequencing
bioinformatics
analysis
indicated
that
had
significant
impact
metabolism,
affecting
mitochondrial-related
pathways,
metal
ion
metabolism
apoptosis
pathways.
Subsequently,
we
confirmed
led
reactive
oxygen
species
levels
membrane
potential.
Additionally,
observed
elevated
concentration
intra-mitochondrial
iron
ions.
demonstrated
prior
can
result
decreased
even
death,
which
may
be
associated
with
multiple
mitochondrial-mediated
death
Antioxidants,
Journal Year:
2024,
Volume and Issue:
13(5), P. 579 - 579
Published: May 8, 2024
Microplastics
(MPs)
are
plastic
particles
between
0.1
and
5000
µm
in
size
that
have
attracted
considerable
attention
from
the
scientific
community
general
public,
as
they
threaten
environment.
contribute
to
various
harmful
effects,
including
lipid
peroxidation,
DNA
damage,
activation
of
mitogen-activated
protein
kinase
pathways,
cell
membrane
breakages,
mitochondrial
dysfunction,
lysosomal
defects,
inflammation,
apoptosis.
They
affect
cells,
tissues,
organs,
overall
health,
potentially
contributing
conditions
like
cancer
cardiovascular
disease.
pose
a
significant
danger
due
their
widespread
occurrence
food.
In
recent
years,
information
has
emerged
indicating
MPs
can
cause
oxidative
stress
(OS),
known
factor
accelerating
aging
organisms.
This
comprehensive
evaluation
exposed
notable
variability
reported
connection
OS.
work
aims
provide
critical
review
whether
harmfulness
constitute
environmental
contaminants
may
result
OS
through
analysis
research
existing
literature,
well
an
assessment
characteristics
causing
Additionally,
article
covers
analytical
methodology
used
this
field.
The
conclusions
point
necessity
for
further
into
effects
on
International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(15), P. 12308 - 12308
Published: Aug. 1, 2023
Environmental
pollutants
have
become
quite
ubiquitous
over
the
past
two
centuries;
of
those,
plastics,
and
in
particular,
microplastics
(<5
mm),
are
among
most
pervasive
pollutants.
Microplastics
(MPs)
found
their
way
into
air,
water
system,
food
chain
either
purposely
produced
or
derived
from
breakdown
larger
plastic
materials.
Despite
societal
advancements
that
plastics
allowed,
mismanagement
waste
has
a
pressing
global
issue.
Pioneering
studies
on
MPs
toxicity
shown
exposure
to
induces
oxidative
stress,
inflammation,
decreased
cell
viability
marine
organisms.
Current
research
suggests
these
transported
throughout
environment
can
accumulate
human
tissues;
however,
health
effects
MPs,
especially
mammals,
is
still
very
limited.
This
led
our
group
explore
biological
cognitive
consequences
rodent
model.
Following
three-week
treated
with
fluorescently-labeled
pristine
polystyrene
young
old
C57BL/6J
mice
were
assessed
using
behavioral
assays,
such
as
open-field
light-dark
preference,
followed
by
tissue
analyses
fluorescent
immunohistochemistry,
Western
blot,
qPCR.
Data
assays
suggest
short-term
both
changes
well
alterations
immune
markers
liver
brain
tissues.
Additionally,
we
noted
differed
depending
age,
indicating
possible
age-dependent
effect.
These
findings
need
for
further
better
understand
mechanisms
which
may
induce
physiological
changes.
Deleted Journal,
Journal Year:
2025,
Volume and Issue:
2(1)
Published: Jan. 14, 2025
Microplastic
pollution
contributes
to
the
rise
of
antibiotic-resistance.
Everyday
items
like
food
containers,
water
bottles,
clothing,
and
cosmetics
can
increase
people's
resistance
antibiotics.
Microplastics
in
environment
serve
as
a
suitable
substrate
for
production
"antibiotic-resistant
genes"
(ARGs).
These
genes
are
protected
by
bacterial
chromosomes,
phages,
plasmids,
which
biological
vectors
capable
spreading
transferring
antibiotic-resistance
humans,
thereby
reducing
their
ability
fight
infections.
In
this
study,
we
reviewed
several
articles
that
evaluated
abundance
ARGs
changes
expression
different
environments.
were
observed
upon
exposure
antibiotics
such
tetracycline,
sulfamethoxazole,
macrolides,
others,
well
microplastics,
nanoplastics,
or
combination
both.
To
assess
impact
these
stressors
on
ARG
abundance,
compiled
data
from
various
studies
using
heatmaps
tables
abundances
tissues
By
synthesizing
information,
aimed
identify
upregulated
downregulated
response
each
stressor.
Our
findings
provide
insights
into
potential
risks
posed
environmental
pollutants
underscore
importance
understanding
dynamics
stressors.
Ecotoxicology and Environmental Safety,
Journal Year:
2024,
Volume and Issue:
279, P. 116461 - 116461
Published: May 19, 2024
Polystyrene
nanoplastics
(PS-NPs)
have
been
reported
to
accumulate
in
the
testes
and
constitute
a
new
threat
reproductive
health.
However,
exact
effects
of
PS-NPs
exposure
on
testicular
cells
underlying
mechanisms
remain
largely
unknown.
The
C57BL/6
male
mice
were
orally
administered
with
(80
nm)
at
different
dosages
(0,
10,
40
mg/kg/day)
for
60
days,
GC-1
treated
this
study.
Enlarged
seminiferous
tubule
lumens
loose
vacuolated
layer
spermatogenic
observed
PS-NPs-exposed
mice.
Spermatogenic
which
may
be
one
target
damage,
decreased
from
group.
caused
undergo
senescence,
manifested
as
elevated
SA-β-galactosidase
activity
activated
senescence-related
signaling
p53-p21/Rb-p16
pathways,
induced
cell
cycle
arrest.
Mechanistically,
Gene
Ontology
(GO)
enrichment
suggested
key
role
reactive
oxygen
species
(ROS)
PS-NPs-induced
result
was
confirmed
by
measuring
ROS
levels.
Moreover,
inhibition
partially
attenuated
senescence
phenotype
DNA
damage.
Using
health
atlas
(MHA)
database,
Sirt1
filtrated
critical
molecule
regulation
senescence.
overexpression
main
generator
Nox2,
downregulated
Sirt1,
increased
p53
acetylated
vivo
vitro,
whereas
these
disturbances
restored
pterostilbene.
In
addition,
pterostilbene
intervention
significantly
alleviated
burst.
Collectively,
our
study
reveals
that
can
trigger
mediated
regulating
Sirt1/ROS
axis.
Importantly,
promising
strategy
alleviate
Reproductive Biology and Endocrinology,
Journal Year:
2024,
Volume and Issue:
22(1)
Published: Nov. 11, 2024
The
female
reproductive
system
can
face
serious
disorders
and
show
abnormalities
under
the
influence
of
environmental
pollutants.
Microplastics
(MPs)
nanoplastics
(NPs)
as
emerging
pollutants,
by
affecting
different
components
this
system,
may
make
fertility
a
challenge.
Animal
studies
have
demonstrated
that
exposure
to
these
substances
weakens
function
ovaries
causes
decrease
in
ovarian
reserve
capacity.
Also,
continuous
micro/nano
plastics
(MNPs)
leads
increased
levels
reactive
oxygen
species,
induction
oxidative
stress,
inflammatory
responses,
apoptosis
granulosa
cells,
reduction
number
follicles.
Furthermore,
interfering
with
hypothalamic-pituitary-ovarian
axis,
particles
disturb
normal
androgens
endocrine
balance
delay
growth
gonads.
Exposure
MNPs
accelerate
carcinogenesis
humans
animal
models.
determined
accumulate
placenta,
causing
metabolic
changes,
disrupting
development
fetus,
endangering
health
future
generations.
In
humans,
presence
micro/nanoplastics
placenta
tissue,
infant
feces,
breast
milk
has
been
reported.
These
directly
affect
mother
increasing
risk
premature
birth
other
pregnancy
complications.
This
review
aims
outline
hazardous
effects
on
fetal
discuss
results
experiments
human
research
focusing
cellular
molecular
pathways.
Immunology Letters,
Journal Year:
2025,
Volume and Issue:
272, P. 106976 - 106976
Published: Feb. 1, 2025
Plastics
are
everywhere.
It
is
widely
recognized
that
they
represent
a
global
problem,
the
extent
of
which
yet
to
be
defined.
Humans
broadly
exposed
plastics,
whose
effects
and
consequences
poorly
characterized
so
far.
The
main
route
exposure
via
alimentary
respiratory
intake.
pollutions
may
come
from
both:
water
food
contamination
itself,
their
packaging.
smaller
sizes
(i.e.
microplastics
<150
µm
-
MPs)
considered
most
pervasive
living
organisms
and,
therefore,
potentially
harmful.
As
humans
occupy
one
apex
positions
chain,
we
bioaccumulation
biomagnification
MPs.
In
fact,
MPs
commonly
found
in
human
stools
blood.
However,
there
no
data
available
on
ability
accumulate
produce
detrimental
biological
systems.
Even
though
plastics
pollution
studied
mammals,
including
humans,
appear
have
inflammatory
effects,
rather
concerning
as
many
etiologies
disease
based
pro-inflammatory
status.