Animals,
Journal Year:
2023,
Volume and Issue:
13(4), P. 606 - 606
Published: Feb. 9, 2023
Microplastics
(MPs)
are
pollutants
widely
distributed
in
aquatic
ecosystems.
MPs
introduced
mainly
by
ingestion
acting
locally
or
organs
far
from
the
gastroenteric
tract.
MPs-induced
health
consequences
for
fish
species
still
need
to
be
fully
understood.
We
aimed
investigate
effects
of
subchronic
oral
exposure
polystyrene
microplastics
(PS-MPs)
(1-20
μm)
gilthead
seabreams
(Sparus
aurata)
used
as
experimental
model.
studied
detrimental
impact
PS-MPs
(25
and
250
mg/kg
b.w./day)
on
redox
balance
antioxidant
status
intestine
using
histological
analysis
molecular
techniques.
The
research
goal
was
examine
anterior
(AI)
posterior
(PI)
tracts,
characterized
morphological
functional
differences.
caused
an
increase
reactive
oxygen
nitrosylated
proteins
both
well
augmented
malondialdehyde
production
PI.
also
differently
affected
gene
expression
enzymes
(i.e.,
superoxide
dismutase,
catalase,
glutathione
reductase).
Moreover,
increased
up-regulation
protective
heat
shock
(HSPs)
hsp70
hsp90)
observed
Our
findings
demonstrate
that
responsible
oxidative/nitrosative
stress
alterations
detoxifying
defense
system
responses
with
differences
AI
PI
seabreams.
Sustainability,
Journal Year:
2023,
Volume and Issue:
15(14), P. 10821 - 10821
Published: July 10, 2023
In
recent
years,
there
has
been
mounting
concern
about
the
bearing
of
microplastics
on
human
health
and
comprehensive
natural
environment.
These
particles
come
from
a
variety
sources,
such
as
soaps,
personal
care
products,
rundown
bigger
plastic
items.
The
impacts
marine
life
other
ecosystems
are
substantial,
including
ingestion
by
animals,
interference
with
their
reproductive
systems,
even
death.
economic
implications
also
significant,
industries,
fishing
tourism
being
affected
presence
in
Exposure
to
can
pose
potential
risks
humans,
respiratory
digestive
problems,
well
disrupt
sleep,
contribute
obesity,
increase
risk
diabetes.
To
address
this
issue,
policies
initiatives
have
put
place
reduce
microplastic
pollution,
but
challenges
that
need
be
overcome,
lack
awareness,
limited
resources,
ineffective
regulations.
Further
research
is
needed
fully
understand
our
develop
effective
strategies
mitigate
problem.
article,
we
discussed
requirement
multifaceted
approach
reducing
use,
promoting
proper
disposal
recycling
waste,
developing
innovative
technologies
for
capturing
removing
environment,
raising
public
implementing
regulations
policies.
It
only
through
concerted
efforts
collaboration
between
individuals,
governments
threat
tackled.
Environment & Health,
Journal Year:
2023,
Volume and Issue:
1(3), P. 139 - 149
Published: Aug. 2, 2023
Microplastics
are
a
globally
emerging
contaminant
in
the
environment,
but
little
is
known
about
potential
risks
of
microplastics
to
human
health.
Possible
exposure
routes
humans
include
ingestion,
inhalation,
and
dermal
penetration,
with
last
these
needing
equal
attention
as
other
two
main
routes.
Evidence
showed
presence
human-derived
biological
samples
(i.e.,
excrement,
biofluids,
tissues).
Most
toxicological
studies
on
were
based
laboratory
rodents
cells.
Energy
homeostasis,
intestinal
microflora,
reproductive,
immune,
nervous
systems
regarded
targets
microplastics.
The
toxicity
microstructures
including
lysosomes,
mitochondria,
endoplasmic
reticulum,
nucleus
further
revealed
health
at
cellular
levels.
As
carrier,
also
had
magnify
contaminants
environment
(e.g.,
plasticizer,
metals,
antibiotics,
microorganisms).
Studies
environmentally
realistic
conditions
still
their
infancy
many
unsolved
questions
predict
International Journal of Environmental Research and Public Health,
Journal Year:
2023,
Volume and Issue:
20(4), P. 2959 - 2959
Published: Feb. 8, 2023
Environmental
challenges
related
to
the
mismanagement
of
plastic
waste
became
even
more
evident
during
COVID-19
pandemic.
The
need
for
new
solutions
regarding
use
plastics
came
forefront
again.
Polyhydroxyalkanoates
(PHA)
have
demonstrated
their
ability
replace
conventional
plastics,
especially
in
packaging.
Its
biodegradability
and
biocompatibility
makes
this
material
a
sustainable
solution.
cost
PHA
production
some
weak
physical
properties
compared
synthetic
polymers
remain
as
main
barriers
its
implementation
industry.
scientific
community
has
been
trying
solve
these
disadvantages
associated
with
PHA.
This
review
seeks
frame
role
bioplastics
substitutes
future.
It
is
focused
on
bacterial
PHA,
highlighting
current
limitations
process
and,
consequently,
industry,
well
reviewing
alternatives
turn
into
circular
economy.
Frontiers in Endocrinology,
Journal Year:
2024,
Volume and Issue:
14
Published: Jan. 4, 2024
Plastics
found
in
our
everyday
environment
are
becoming
an
increasing
concern
for
individual
and
population-level
health,
the
extent
of
exposure
potential
toxic
effects
these
contaminants
on
numerous
human
organ
systems
clear.
Microplastics
(MPs),
tiny
plastic
particles,
appear
to
have
many
same
biological
as
their
precursors
compounded
effect
accumulation
different
organs.
Recently,
microplastic
was
observed
placenta,
raising
important
questions
related
health
pregnancies
offspring.
These
concerns
particularly
heightened
considering
developmental
origins
disease
(DOHaD)
framework,
which
postulates
that
utero
can
programme
lifelong
The
current
review
examines
state
knowledge
this
topic
highlights
avenues
future
investigation.
Cells,
Journal Year:
2024,
Volume and Issue:
13(9), P. 768 - 768
Published: April 30, 2024
We
have
described
the
influence
of
selected
factors
that
increase
toxicity
nanoplastics
(NPs)
and
microplastics
(MPs)
with
regard
to
cell
viability,
various
types
death,
reactive
oxygen
species
(ROS)
induction,
genotoxicity.
These
include
plastic
particle
size
(NPs/MPs),
zeta
potential,
exposure
time,
concentration,
functionalization,
environmental
type.
Studies
unequivocally
shown
smaller
particles
are
more
cytotoxic,
penetrate
cells
easily,
ROS
formation,
induce
oxidative
damage
proteins,
lipids,
DNA.
The
toxic
effects
also
concentration
incubation
time.
NPs
positive
potential
than
those
a
negative
because
negatively
charged,
inducing
stronger
interactions.
deleterious
MPs
increased
by
functionalization
anionic
or
carboxyl
groups,
due
greater
interaction
membrane
components.
Cationic
NPs/MPs
particularly
their
cellular
uptake
and/or
on
lysosomal
membranes.
polystyrene
(PS)
vary
from
one
type
another,
normal
sensitive
cancerous
ones.
can
be
enhanced
factors,
including
UV
radiation,
as
they
cause
shrink
change
shape,
which
is
important
consideration
when
working
environmentally-changed
NPs/MPs.
In
summary,
cytotoxicity,
properties,
genotoxicity
depends
duration
action,
Also,
diameter
exposed
functionalized
amino
demonstrate
higher
larger,
non-functionalized
environmentally-unchanged
potential.
Environmental Science & Technology,
Journal Year:
2023,
Volume and Issue:
57(38), P. 14127 - 14137
Published: Sept. 8, 2023
In
this
study,
we
investigated
the
mechanism
underlying
perturbation
of
hepatic
lipid
metabolism
in
response
to
micro/nanoplastic
(MP/NP)
exposure
at
environmentally
relevant
concentrations.
Polystyrene
(PS)
MPs/NPs
with
different
sizes
(0.1,
0.5,
and
5.0
μm)
were
studied
for
their
effects
on
homeostasis
function
Nile
tilapia
(Oreochromis
niloticus)
liver.
Results
showed
that
PS
readily
internalized
accumulated
various
internal
organs/tissues,
especially
fish
liver
muscle.
Smaller-sized
NPs
caused
more
severe
toxicity
than
larger
MPs,
including
steatosis,
inflammatory
response,
disturbed
function.
Mechanistically,
a
particle
size
100
nm
perturbed
protein
endoplasmic
reticulum
(ER)
by
inhibiting
expression
chaperone
proteins
genes
involved
ER-associated
degradation.
This
led
activation
PERK-eIF2α
pathway,
which
dysfunction
metabolism.
Induction
oxidative
stress
Nrf2/Keap1
pathway
also
NP-induced
accumulation.
These
findings
highlight
potential
adverse
environmental
aquatic
organisms,
raising
concerns
about
ecotoxicity
food
safety.