Toxicologic Pathology,
Journal Year:
2019,
Volume and Issue:
47(8), P. 976 - 992
Published: Oct. 14, 2019
Epidemiological
studies
report
associations
between
air
pollution
(AP)
exposures
and
several
neurodevelopmental
disorders
including
autism,
attention
deficit
disorder,
cognitive
delays.
Our
in
mice
of
postnatal
(human
third
trimester
brain
equivalent)
to
concentrated
ambient
ultrafine
particles
(CAPs)
provide
biological
plausibility
for
these
associations,
producing
numerous
neuropathological
behavioral
features
disorders,
male-biased
vulnerability.
These
findings
raise
questions
about
the
specific
components
AP
that
underlie
its
neurotoxicity,
which
our
suggest
could
involve
trace
elements
as
candidate
neurotoxicants.
X-ray
fluorescence
analyses
CAP
chamber
filters
confirm
contamination
by
multiple
elements,
iron
(Fe)
sulfur
(S).
Correspondingly,
laser
ablation
inductively
coupled
plasma
mass
spectrometry
brains
male
indicates
marked
postexposure
elevations
Fe
S
other
elements.
Elevations
particular
are
consistent
with
potential
ferroptotic,
oxidative
stress,
altered
antioxidant
capacity-based
mechanisms
CAPs-induced
supported
observations
increased
serum
oxidized
glutathione
neuronal
cell
death
nucleus
accumbens
no
corresponding
significant
increase
caspase-3,
following
exposures.
Understanding
role
element
contaminants
particulate
matter
a
source
neurotoxicity
is
critical
public
health
protection.
International Journal of Molecular Sciences,
Journal Year:
2020,
Volume and Issue:
21(20), P. 7660 - 7660
Published: Oct. 16, 2020
Alzheimer’s
disease
(AD)
is
an
irreversible,
age-related
progressive
neurological
disorder,
and
the
most
common
type
of
dementia
in
aged
people.
Neuropathological
lesions
AD
are
neurofibrillary
tangles
(NFTs),
senile
plaques
comprise
accumulated
amyloid-beta
(Aβ),
loaded
with
metal
ions
including
Cu,
Fe,
or
Zn.
Some
reports
have
identified
dyshomeostasis
as
a
neurotoxic
factor
AD,
among
which
Cu
seem
to
be
central
cationic
formation
plaque
soluble
oligomers,
essential
role
pathology.
Cu-Aβ
complex
catalyzes
generation
reactive
oxygen
species
(ROS)
results
oxidative
damage.
Several
studies
indicated
that
stress
plays
crucial
pathogenesis
AD.
The
connection
copper
levels
still
ambiguous,
some
researches
indicate
deficiency,
while
others
show
its
higher
content
therefore
there
need
increase
decrease
animal
models,
respectively,
study
one
cause.
For
more
than
twenty
years,
many
vitro
been
devoted
identifying
metals’
roles
Aβ
accumulation,
damage,
neurotoxicity.
Towards
end,
short
review
modern
therapeutic
approach
chelation
therapy,
main
focus
on
ions,
discussed.
Despite
lack
strong
proofs
clinical
advantage
so
far,
conjecture
using
chelator
effective
strategy
for
remains
popular.
However,
recent
genetic-regulating
transporters
models
shed
light
treating
this
refractory
disease.
This
aims
succinctly
present
better
understanding
ions’
current
status
several
features,
conflicting
herein.
Metallomics,
Journal Year:
2018,
Volume and Issue:
11(1), P. 64 - 84
Published: Sept. 14, 2018
The
coordination
chemistry
of
transition
metal
ions
(Fe,
Cu,
Zn)
with
the
amyloid-β
(Aβ)
peptides
has
attracted
a
lot
attention
in
recent
years
due
to
its
repercussions
Alzheimer's
disease
(AD).
Inorganic Chemistry,
Journal Year:
2019,
Volume and Issue:
58(20), P. 13509 - 13527
Published: June 17, 2019
According
to
the
amyloid
cascade
hypothesis,
metal
ions,
mainly
Cu
and
Zn
bound
amyloid-β
(Aβ)
peptides
are
implicated
in
Alzheimer's
disease
(AD),
a
widespread
neurodegenerative
disease.
They
indeed
impact
aggregation
pathways
of
Aβ
involved
catalytic
generation
reactive
oxygen
species
(ROS)
that
participate
oxidative
stress,
while
stress
regarded
as
two
key
events
AD
etiology.
ions
due
their
redox
ability
have
been
considered
be
main
potential
therapeutic
targets
AD.
A
considerable
number
ligands
developed
order
modulate
toxicity
associated
with
this
context,
via
disruption
Aβ-Cu
interaction.
Among
them,
small
synthetic
peptide
scaffolds
designed
studied
for
remove
from
Aβ.
Some
those
able
prevent
Cu(Aβ)-induced
ROS
production
can
modify
vitro
cellulo.
Examples
such
gathered
Viewpoint,
function
structures
discussed
respect
properties
against
Cu(Aβ)
deleterious
fallouts.
Nevertheless,
beneficial
activities
most
promising
detected
cellulo
not
transposed
human
yet.
parameters
might
explain
apparent
contradiction
concepts
consider
design
"more"
efficient
thus
reported
discussed.
En
passant,
Viewpoint
sheds
light
on
difficulties
comparing
results
one
study
another
hamper
significant
advances
field.
ACS Omega,
Journal Year:
2023,
Volume and Issue:
8(5), P. 4508 - 4526
Published: Jan. 25, 2023
Alzheimer's
disease
(AD)
is
the
most
common
form
of
dementia,
affecting
millions
people
around
world.
Even
though
causes
AD
are
not
completely
understood
due
to
its
multifactorial
nature,
some
neuropathological
hallmarks
development
have
been
related
high
concentration
metal
cations.
These
roles
include
participation
these
cations
in
production
reactive
oxygen
species,
which
involved
neuronal
damage.
In
order
avoid
increment
oxidative
stress,
multifunctional
ligands
used
coordinate
proposed
as
a
possible
treatment
AD.
this
review,
we
present
recent
advances
experimental
and
computational
works
aiming
understand
role
two
redox
active
essential
transition-metal
(Cu
Fe)
one
nonbiological
(Al)
proposals
on
stop
or
revert
damaging
effects
promoted
by
Biomedicines,
Journal Year:
2023,
Volume and Issue:
11(4), P. 1161 - 1161
Published: April 12, 2023
The
role
of
metals
in
the
pathogenesis
Alzheimer’s
disease
(AD)
is
still
debated.
Although
previous
research
has
linked
changes
essential
metal
homeostasis
and
exposure
to
environmental
heavy
AD,
more
needed
determine
relationship
between
AD.
In
this
review,
we
included
human
studies
that
(1)
compared
concentrations
AD
patients
healthy
controls,
(2)
correlated
cerebrospinal
fluid
(CSF)
biomarkers
with
concentrations,
(3)
used
Mendelian
randomization
(MR)
assess
potential
contributions
risk.
many
have
examined
various
dementia
patients,
understanding
dynamics
these
remains
difficult
due
considerable
inconsistencies
among
results
individual
studies.
most
consistent
findings
were
for
Zn
Cu,
observing
a
decrease
levels
an
increase
Cu
patients.
However,
several
found
no
such
relation.
Because
few
biomarker
CSF
type
required.
Given
MR
revolutionizing
epidemiologic
research,
additional
include
participants
from
diverse
ethnic
backgrounds
causal
risk
are
critical.