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.
New England Journal of Medicine,
Journal Year:
2024,
Volume and Issue:
390(10), P. 900 - 910
Published: March 6, 2024
Microplastics
and
nanoplastics
(MNPs)
are
emerging
as
a
potential
risk
factor
for
cardiovascular
disease
in
preclinical
studies.
Direct
evidence
that
this
extends
to
humans
is
lacking.
Annals of Global Health,
Journal Year:
2023,
Volume and Issue:
89(1)
Published: Jan. 1, 2023
Plastics
have
conveyed
great
benefits
to
humanity
and
made
possible
some
of
the
most
significant
advances
modern
civilization
in
fields
as
diverse
medicine,
electronics,
aerospace,
construction,
food
packaging,
sports.
It
is
now
clear,
however,
that
plastics
are
also
responsible
for
harms
human
health,
economy,
earth's
environment.
These
occur
at
every
stage
plastic
life
cycle,
from
extraction
coal,
oil,
gas
its
main
feedstocks
through
ultimate
disposal
into
The
extent
these
not
been
systematically
assessed,
their
magnitude
fully
quantified,
economic
costs
comprehensively
counted.The
goals
this
Minderoo-Monaco
Commission
on
Human
Health
examine
plastics'
impacts
across
cycle
on:
(1)
health
well-being;
(2)
global
environment,
especially
ocean;
(3)
economy;
(4)
vulnerable
populations-the
poor,
minorities,
world's
children.
On
basis
examination,
offers
science-based
recommendations
designed
support
development
a
Global
Treaty,
protect
save
lives.This
report
contains
seven
Sections.
Following
an
Introduction,
Section
2
presents
narrative
review
processes
involved
production,
use,
notes
hazards
environment
associated
with
each
stages.
3
describes
ocean
potential
enter
marine
web
result
exposure.
4
details
health.
5
first-order
estimate
health-related
costs.
6
examines
intersection
between
plastic,
social
inequity,
environmental
injustice.
7
Commission's
findings
recommendations.Plastics
complex,
highly
heterogeneous,
synthetic
chemical
materials.
Over
98%
produced
fossil
carbon-
oil
gas.
comprised
carbon-based
polymer
backbone
thousands
additional
chemicals
incorporated
polymers
convey
specific
properties
such
color,
flexibility,
stability,
water
repellence,
flame
retardation,
ultraviolet
resistance.
Many
added
toxic.
They
include
carcinogens,
neurotoxicants
endocrine
disruptors
phthalates,
bisphenols,
per-
poly-fluoroalkyl
substances
(PFAS),
brominated
retardants,
organophosphate
retardants.
integral
components
many
environment.Global
production
has
increased
almost
exponentially
since
World
War
II,
time
more
than
8,300
megatons
(Mt)
manufactured.
Annual
volume
grown
under
Mt
1950
460
2019,
230-fold
increase,
track
triple
by
2060.
More
half
all
ever
2002.
Single-use
account
35-40%
current
represent
rapidly
growing
segment
manufacture.Explosive
recent
growth
reflects
deliberate
pivot
integrated
multinational
fossil-carbon
corporations
produce
manufacture
plastics.
reducing
fuels
increasing
manufacture.
two
principal
factors
decreasing
demand
due
increases
'green'
energy,
massive
expansion
fracking.Plastic
energy-intensive
contributes
significantly
climate
change.
At
present,
estimated
3.7%
greenhouse
emissions,
contribution
Brazil.
This
fraction
projected
increase
4.5%
2060
if
trends
continue
unchecked.The
three
phases:
disposal.
In
carbon
feedstocks-coal,
gas,
oil-are
transformed
energy-intensive,
catalytic
vast
array
products.
Plastic
use
occurs
aspect
results
widespread
exposure
contained
plastic.
constitute
largest
portion
followed
fibers
construction.Plastic
inefficient,
recovery
recycling
rates
below
10%
globally.
22
waste
enters
year,
much
it
single-use
gigatons
accumulated
1950.
Strategies
controlled
uncontrolled
landfilling,
open
burning,
thermal
conversion,
export.
Vast
quantities
exported
year
high-income
low-income
countries,
where
accumulates
landfills,
pollutes
air
water,
degrades
vital
ecosystems,
befouls
beaches
estuaries,
health-environmental
injustice
scale.
Plastic-laden
e-waste
particularly
problematic.Plastics
plastic-associated
pollution.
contaminate
aquatic
(marine
freshwater),
terrestrial,
atmospheric
environments
destination
found
throughout
ocean,
including
coastal
regions,
sea
surface,
deep
sea,
polar
ice.
appear
resist
breakdown
could
persist
decades.
Macro-
micro-plastic
particles
identified
hundreds
species
major
taxa,
consumed
humans.
Trophic
transfer
microplastic
within
them
demonstrated.
Although
themselves
(>10
µm)
undergo
biomagnification,
hydrophobic
bioaccumulate
animals
biomagnify
webs.
amounts
fates
smaller
nanoplastic
(MNPs
<10
poorly
understood,
but
harm
worrying
given
mobility
biological
systems.
Adverse
pollution
multiple
levels
molecular
biochemical
population
ecosystem.
MNP
contamination
seafood
direct,
though
well
chemicals.
Marine
endangers
ecosystems
upon
which
depends
food,
oxygen,
livelihood,
well-being.Coal
miners,
workers
field
who
extract
suffer
mortality
traumatic
injury,
coal
workers'
pneumoconiosis,
silicosis,
cardiovascular
disease,
chronic
obstructive
pulmonary
lung
cancer.
risk
leukemia,
lymphoma,
hepatic
angiosarcoma,
brain
cancer,
breast
mesothelioma,
neurotoxic
decreased
fertility.
Workers
producing
textiles
die
bladder
interstitial
disease
rates.
toxic
metal
poisoning,
neuropathy,
Residents
"fenceline"
communities
adjacent
sites
experience
risks
premature
birth,
low
birth
weight,
asthma,
childhood
cancer.During
disposal,
release
additives
residual
monomers
people.
National
biomonitoring
surveys
USA
document
population-wide
exposures
disrupt
function
births,
neurodevelopmental
disorders,
male
reproductive
defects,
infertility,
obesity,
renal
cancers.
Chemical-laden
MNPs
formed
degradation
can
living
organisms,
Emerging,
albeit
still
incomplete
evidence
indicates
may
cause
toxicity
physical
toxicological
effects
acting
vectors
transport
bacterial
pathogens
tissues
cells.Infants
womb
young
children
populations
high
plastic-related
effects.
Because
exquisite
sensitivity
early
hazardous
children's
unique
patterns
exposure,
linked
prematurity,
stillbirth,
defects
organs,
impairment,
impaired
growth,
Early-life
non-communicable
diseases
later
life.Plastic's
We
2015
exceeded
$250
billion
(2015
Int$)
globally,
alone
disability
caused
PBDE,
BPA
DEHP
$920
Int$).
(GHG)
emissions
equivalent
1.96
dioxide
(CO2e)
annually.
Using
US
Environmental
Protection
Agency's
(EPA)
cost
metric,
we
annual
GHG
be
$341
Int$).These
costs,
large
they
are,
certainly
underestimate
full
losses
resulting
negative
All
costs-and
costs-are
externalized
petrochemical
manufacturing
industry
borne
citizens,
taxpayers,
governments
countries
around
world
without
compensation.The
adverse
economy
evenly
distributed.
disproportionately
affect
disempowered,
marginalized
workers,
racial
ethnic
communities,
Indigenous
groups,
women,
children,
whom
had
little
do
creating
crisis
lack
political
influence
or
resources
address
it.
Plastics'
harmful
keenly
felt
South,
small
island
states,
disenfranchised
areas
North.
Social
justice
(SEJ)
principles
require
reversal
inequitable
burdens
ensure
no
group
bears
disproportionate
share
those
benefit
economically
bear
fair
currently
costs.It
clear
sustainable
societal
injustices.The
driver
worsening
exponential
accelerating
production.
further
magnified
long
persistence
environment.The
plastics-monomers,
additives,
processing
agents,
non-intentionally
substances-include
amongst
number
known
disruptors,
neurotoxicants,
persistent
organic
pollutants.
planetary
leach
out
plastics,
pollution,
disease.
efforts
reduce
must
chemicals.To
at-risk
populations,
put
end
2040,
supports
urgent
adoption
nations
strong
comprehensive
Treaty
accord
mandate
set
forth
March
2022
resolution
United
Nations
Environment
Assembly
(UNEA).International
measures
needed
curb
because
transcend
national
boundaries,
scale,
well-being
people
poorest
nations.
Effective
implementation
will
international
action
coordinated
complemented
interventions
national,
regional,
local
levels.This
urges
cap
targets,
timetables,
contributions
central
provision
Treaty.
recommend
inclusion
following
provisions:The
needs
extend
beyond
microplastics
litter
plastics.The
banning
severely
restricting
unnecessary,
avoidable,
problematic
items,
items
manufactured
microbeads.The
requirements
extended
producer
responsibility
(EPR)
make
producers,
manufacturers
products
legally
financially
safety
end-of-life
management
materials
sell.The
reductions
complexity
products;
health-protective
standards
additives;
requirement
non-toxic
materials;
disclosure
components;
traceability
components.
International
cooperation
essential
implementing
enforcing
standards.The
SEJ
remedies
fill
gaps
community
knowledge
advance
both
distributional
procedural
equity.This
encourages
calling
exploration
listing
least
pollutants
(POPs)
Stockholm
Convention.This
interface
Basel
London
Conventions
enhance
slow
exports
least-developed
countries.This
recommends
creation
Permanent
Science
Policy
Advisory
Body
guide
Treaty's
implementation.
priorities
would
Member
States
other
stakeholders
evaluating
solutions
effective
consumption,
enhancing
recycling,
curbing
generation
waste.
assess
trade-offs
among
evaluate
safer
alternatives
monitor
transnational
export
coordinate
robust
oceanic-,
land-,
air-based
monitoring
programs.This
investment
research
crisis.
need
determine
cost-effective
context
particular
proposed
solutions.
Oceanographic
better
measure
concentrations
µm
understand
distribution
fate
Biomedical
elucidate
MNPs.This
finds
boon
stealth
threat
enormous
benefits,
linear
pay
attention
design
safe
near
absence
recovery,
reuse,
grave
damage,
injustices.
worsening.While
there
remain
about
uncertainties
magnitude,
available
today
demonstrates
unequivocally
severity
intervention
Manufacture
continue.
However,
reckless
ever-increasing
unnecessary
products,
curbed.Global
against
failure
act
immense.
Environment & Health,
Journal Year:
2023,
Volume and Issue:
1(4), P. 249 - 257
Published: Aug. 10, 2023
Microplastics
are
ubiquitous
in
the
global
environment.
As
a
typical
emerging
pollutant,
its
potential
health
hazards
have
been
widely
concerning.
In
this
brief
paper,
we
introduce
source,
identification,
toxicity,
and
hazard
of
microplastics
human.
The
literature
review
shows
that
frequently
detected
environmental
human
samples.
Humans
potentially
exposed
to
through
oral
intake,
inhalation,
skin
contact.
We
summarize
toxic
effects
experimental
models
like
cells,
organoids,
animals.
These
consist
oxidative
stress,
DNA
damage,
organ
dysfunction,
metabolic
disorder,
immune
response,
neurotoxicity,
as
well
reproductive
developmental
toxicity.
addition,
epidemiological
evidence
suggests
variety
chronic
diseases
may
be
related
exposure.
Finally,
put
forward
gaps
toxicity
research
their
future
development
directions.
This
will
helpful
understanding
exposure
risk
microplastics.
Science,
Journal Year:
2024,
Volume and Issue:
386(6720)
Published: Sept. 19, 2024
Twenty
years
after
the
first
publication
that
used
term
microplastic,
we
review
current
understanding,
refine
definitions,
and
consider
future
prospects.
Microplastics
arise
from
multiple
sources,
including
tires,
textiles,
cosmetics,
paint,
fragmentation
of
larger
items.
They
are
widely
distributed
throughout
natural
environment,
with
evidence
harm
at
levels
biological
organization.
pervasive
in
food
drink
have
been
detected
human
body,
emerging
negative
effects.
Environmental
contamination
could
double
by
2040,
wide-scale
has
predicted.
Public
concern
is
increasing,
diverse
measures
to
address
microplastic
pollution
being
considered
international
negotiations.
Clear
on
efficacy
potential
solutions
now
needed
issue
minimize
risks
unintended
consequences.
EBioMedicine,
Journal Year:
2023,
Volume and Issue:
99, P. 104901 - 104901
Published: Dec. 6, 2023
Humans
are
exposed
to
micro-and-nano
plastics
(MNPs)
through
various
routes,
but
the
adverse
health
effects
of
MNPs
on
different
organ
systems
not
yet
fully
understood.
This
review
aims
provide
an
overview
potential
impacts
and
identify
knowledge
gaps
in
current
research.
The
summarized
results
suggest
that
exposure
can
lead
oxidative
stress,
inflammation,
immune
dysfunction,
altered
biochemical
energy
metabolism,
impaired
cell
proliferation,
disrupted
microbial
metabolic
pathways,
abnormal
development,
carcinogenicity.
There
is
limited
human
data
MNPs,
despite
evidence
from
animal
cellular
studies.
Most
published
research
has
focused
specific
types
assess
their
toxicity,
while
other
plastic
particles
commonly
found
environment
remain
unstudied.
Future
studies
should
investigate
by
considering
realistic
concentrations,
dose-dependent
effects,
individual
susceptibility,
confounding
factors.
Environmental Toxicology and Pharmacology,
Journal Year:
2023,
Volume and Issue:
101, P. 104204 - 104204
Published: June 28, 2023
Microplastics
(MPs)
are
in
all
environmental
compartments,
including
atmosphere,
terrestrial,
and
aquatic
environments
as
well
marine
organisms,
foods,
drinking
water,
indoor
outdoor
environments.
MPs
can
enter
the
human
body
through
food
chain
contaminated
environment.
Ingestion,
inhalation,
dermal
contact
routes
of
their
entry
into
body.
Recent
studies
reporting
detection
within
have
raised
concern
among
scientific
community
knowledge
about
exposure
is
still
very
limited
impact
on
health
not
well-understood
yet.
In
this
review
article,
we
briefly
cover
reports
evidencing
MP
body,
e.g.,
stool,
placenta,
lungs,
liver,
sputum,
breast
milk,
blood.
A
concise
synopsis
sample
preparation
analysis
such
matrices
also
provided.
This
article
presents
a
summary
effect
cell
lines
health.
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