Biological Trace Element Research,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 28, 2025
The
exact
cause
of
Autism
spectrum
disorder
(ASD)
remains
unclear.
accumulation
heavy
metals
and
the
imbalance
trace
elements
are
believed
to
play
a
key
role
in
pathogenesis
ASD.
This
study
aimed
compare
levels
hair
1–16-year-old
children
with
varying
ASD
severity.
We
included
control
group
57
children,
as
well
124
autism,
consisting
53
mild
moderate
autism
71
severe
autism.
Questionnaires
samples
were
collected,
21
chemical
analyzed
using
inductively
coupled
plasma
mass
spectrometry
(ICP-MS).
Children
showed
significantly
higher
copper
(Cu)
vanadium
(V),
cobalt
(Co),
nickel
(Ni),
arsenic
(As),
cadmium
(Cd),
lead
(Pb)
their
bodies
compared
group.
Boys
Cu,
As,
Cd,
Pb
group,
while
girls
exhibited
lower
potassium
(K)
increased
Pb.
Severely
autistic
under
7
years
old
had
Mn,
V,
Co,
Ni,
aged
7–16
typically
Cu
As.
These
findings
underscore
importance
essential
minerals
environmental
factors
severity
disease.
International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(19), P. 14959 - 14959
Published: Oct. 6, 2023
Manganese
(Mn)
is
an
essential
trace
element
with
unique
functions
in
the
body;
it
acts
as
a
cofactor
for
many
enzymes
involved
energy
metabolism,
endogenous
antioxidant
enzyme
systems,
neurotransmitter
production,
and
regulation
of
reproductive
hormones.
However,
overexposure
to
Mn
toxic,
particularly
central
nervous
system
(CNS)
due
causing
progressive
destruction
nerve
cells.
Exposure
manganese
widespread
occurs
by
inhalation,
ingestion,
or
dermal
contact.
Associations
have
been
observed
between
accumulation
neurodegenerative
diseases
such
manganism,
Alzheimer's
disease,
Parkinson's
Huntington's
amyotrophic
lateral
sclerosis.
People
genetic
associated
mutation
gene
impaired
excretion,
kidney
iron
deficiency,
vegetarian
diet
are
at
particular
risk
excessive
exposure
Mn.
This
review
has
collected
data
on
current
knowledge
source
exposure,
experimental
supporting
dispersive
brain,
controversies
surrounding
reference
values
biomarkers
related
status
different
matrices,
competitiveness
other
metals,
(Fe),
magnesium
(Mg),
zinc
(Zn),
copper
(Cu),
lead
(Pb),
calcium
(Ca).
The
disturbed
homeostasis
body
connected
susceptibility
diseases,
fertility,
infectious
diseases.
evidence
involvement
metabolic
type
2
diabetes
mellitus/insulin
resistance,
osteoporosis,
obesity,
atherosclerosis,
non-alcoholic
fatty
liver
was
discussed.
Neuroglia,
Journal Year:
2025,
Volume and Issue:
6(1), P. 4 - 4
Published: Jan. 6, 2025
Overexposure
of
humans
to
heavy
metals
and
essential
poses
a
significant
risk
for
the
development
neurological
neurodevelopmental
disorders.
The
mechanisms
through
which
these
exert
their
effects
include
generation
reactive
oxygen
species,
mitochondrial
dysfunction,
activation
inflammatory
pathways,
disruption
cellular
signaling.
function
glial
cells
in
brain
maintenance
homeostasis
cannot
be
overlooked.
are
particularly
susceptible
metal-induced
neurotoxicity.
Accumulation
promotes
microglial
activation,
triggering
responses
that
can
coincide
with
other
neurotoxicity,
inducing
alteration
synaptic
transmission,
cognitive
deficit,
neuronal
damage.
In
this
review,
we
highlighted
role
dysfunction
some
selected
neurodegenerative
diseases
We
further
dive
into
how
exposure
such
as
nickel,
manganese,
methyl
mercury,
cadmium,
iron,
arsenic,
lead
affect
functions
microglia,
astrocytes,
oligodendrocytes
they
on
relation
Potential
therapeutic
interventions
use
new
improved
chelating
agents
antioxidant
therapies
might
approach
alleviating
perturbations.
Ecotoxicology and Environmental Safety,
Journal Year:
2023,
Volume and Issue:
256, P. 114872 - 114872
Published: April 5, 2023
Manganese
(Mn),
as
one
of
the
environmental
risk
factors
for
Parkinson's
disease
(PD),
has
been
widely
studied.
Though
autophagy
dysfunction
and
neuroinflammation
mainly
are
responsible
causative
issue
Mn
neurotoxicity,
molecular
mechanism
parkinsonism
caused
by
not
explored
clearly.
The
results
in
vivo
vitro
experiments
showed
that
overexposure
to
impairment
dysfunction,
accompanied
increase
IL-1β,
IL-6,
TNF-α
mRNA
expression,
nerve
cell
apoptosis,
microglia
activation,
NF-κB
poor
neurobehavior
performance.
This
is
due
Mn-induced
downregulation
SIRT1.
Upregulation
SIRT1
could
alleviate
neuroinflammation,
yet
these
beneficial
effects
were
abolished
following
3-MA
administration.
Furthermore,
we
found
interfered
with
acetylation
FOXO3
BV2
cells,
leading
a
decrease
nuclear
translocation
FOXO3,
its
binding
LC3B
promoter
transcription
activity.
be
antagonized
upregulation
Finally,
it
proved
SIRT1/FOXO3-LC3B
signaling
involves
impairment.
Ecotoxicology and Environmental Safety,
Journal Year:
2024,
Volume and Issue:
278, P. 116404 - 116404
Published: May 4, 2024
Manganese
(Mn)
is
an
essential
trace
element
for
maintaining
bodily
functions.
Excessive
exposure
to
Mn
can
pose
serious
health
risks
humans
and
animals,
particularly
the
nervous
system.
While
has
been
implicated
as
a
neurotoxin,
exact
mechanism
of
its
toxicity
remains
unclear.
Ferroptosis
form
programmed
cell
death
that
results
from
iron-dependent
lipid
peroxidation.
It
plays
role
in
various
physiological
pathological
cellular
processes
may
be
closely
related
Mn-induced
neurotoxicity.
However,
ferroptosis
neurotoxicity
not
thoroughly
investigated.
Therefore,
this
study
aims
investigate
Using
bioinformatics,
we
identified
significant
changes
genes
associated
with
Mn-exposed
animal
models.
We
then
evaluated
at
both
levels.
Our
findings
suggest
causes
weight
loss
system
damage
mice.
In
vitro
vivo
experiments
have
shown
increases
malondialdehyde,
reactive
oxygen
species,
ferrous
iron,
while
decreasing
glutathione
adenosine
triphosphate.
These
leads
increase
peroxidation
disrupts
iron
metabolism,
resulting
oxidative
stress
injury
ferroptosis.
Furthermore,
assessed
expression
levels
proteins
mRNAs
ferroptosis,
confirming
involvement
Current Research in Toxicology,
Journal Year:
2024,
Volume and Issue:
6, P. 100170 - 100170
Published: Jan. 1, 2024
The
objective
of
the
present
narrative
review
was
to
synthesize
existing
clinical
and
epidemiological
findings
linking
manganese
(Mn)
exposure
biomarkers
autism
spectrum
disorder
(ASD)
attention
deficit
hyperactivity
(ADHD),
discuss
key
pathophysiological
mechanisms
neurodevelopmental
disorders
that
may
be
affected
by
this
metal.
Existing
data
demonstrated
both
direct
inverse
association
between
Mn
body
burden
ASD,
or
lack
any
relationship.
In
contrast,
majority
studies
revealed
significantly
higher
levels
in
subjects
with
ADHD,
as
well
relationship
inattention
scores
children,
although
several
reported
contradictory
results.
laboratory
impaired
animals
following
associated
dopaminergic
dysfunction
neuroinflammation.
Despite
evidence
on
Mn-induced
neurobiological
alterations
patients
ASD
a
plethora
neurotoxic
effects
overexposure
interfere
pathogenesis
inherent
these
disorders.
Specifically,
overload
shown
impair
not
only
neurotransmission,
but
also
affect
metabolism
glutamine/glutamate,
GABA,
serotonin,
noradrenaline,
thus
affecting
neuronal
signaling.
turn,
its
ability
induce
oxidative
stress,
apoptosis,
neuroinflammation,
and/or
neurogenesis.
Nonetheless,
additional
detailed
are
required
evaluate
environmental
at
wide
range
concentrations
estimate
potential
dose-dependent
effects,
genetic
factors
association.
Journal of Clinical Medicine,
Journal Year:
2024,
Volume and Issue:
13(16), P. 4679 - 4679
Published: Aug. 9, 2024
The
complex
relationship
between
trace
elements
and
skeletal
health
has
received
increasing
attention
in
the
scientific
community.
Among
these
minerals,
manganese
(Mn)
emerged
as
a
key
element
affecting
bone
metabolism
integrity.
This
review
examines
multifaceted
role
of
Mn
health,
including
its
effects
on
regeneration,
mineralization,
overall
strength.
article
is
based
synthesis
experimental
models,
epidemiologic
studies,
clinical
trials
mechanisms
effect
metabolism.
Current
research
data
show
that
actively
involved
processes
remodeling
by
modulating
activity
osteoblasts
osteoclasts,
well
main
cells
regulate
formation
resorption.
ions
have
profound
mineralization
density
intricately
regulating
signaling
pathways
enzymatic
reactions
cells.
Additionally,
superoxide
dismutase
(MnSOD),
located
mitochondria,
plays
crucial
osteoclast
differentiation
function,
protecting
osteoclasts
from
oxidative
damage.
Understanding
nuances
Mn’s
interaction
with
essential
for
optimizing
strategies,
potentially
preventing
managing
diseases.
Key
findings
include
stimulation
osteoblast
proliferation
differentiation,
inhibition
osteoclastogenesis,
preservation
mass
through
RANK/RANKL/OPG
pathway.
These
results
underscore
importance
maintaining
highlight
need
further
into
therapeutic
potential.
PLoS ONE,
Journal Year:
2025,
Volume and Issue:
20(2), P. e0317731 - e0317731
Published: Feb. 3, 2025
Background
Cerebrovascular
accidents
(CVAs)
are
among
the
most
common
complications
of
patients
today.
As
prevalence
ischemic
CVAs
rises,
detecting
related
risk
factors
is
crucial.
Metal
concentration
has
previously
been
considered
a
major
factor
in
several
neural
complications,
and
this
study,
we
will
investigate
this.
Methods
In
case-control
70
CVA
(clinically
approved
stroke
cases
by
imaging
NIH
Stroke
Scale
(NIHSS))
individuals
with
no
history
controls
were
enrolled
as
control
group.
The
serum
level
metals,
including
Fe
(Iron),
Co
(Cobalt),
Ni
(Nickel),
Cu
(copper),
Zn
(Zinc),
Mn
(Manganese),
Pb
(lead),
Hg
(Mercury),
assessed
using
Inductively
coupled
plasma
mass
spectrometry
(ICP-MS)
method.
Logistic
regression
(LR)
also
used
to
determine
association
between
metals’
levels
occurrence.
Results
mean
age
group
was
48.68
±
15.25
years
for
non-CVA
47.89
9.65
years,
result
indicated
that
statically
higher
(respectively;
P
<
0.001
=
0.002)
significantly
lower
(P
0.003).
Other
measured
(Fe,
Co,
Ni,
Mn,
Hg)
not
different
groups.
LR
model,
all
Cu,
Pb,
metals
had
value
0.03
an
odd
ratio
(OR)
confidence
interval
(CI)
1.34
(1.02–1.75),
1.19
(1.01–1.39)
1.01
(1.001–1.02)
respectively.
Conclusion
Given
some
associated
CVA,
researchers
physicians
must
better
understand
causes
burden
CVA.
However,
further
studies
larger
population
investigation
exact
pathogenesis
these
needed.